./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-21.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_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/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_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-21.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/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_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/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 1cca72686861ad5f32c03321c83cb01c79fc9fe11e27ec52efe74f8c4ef5e302 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 15:47:10,552 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 15:47:10,609 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 15:47:10,614 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 15:47:10,614 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 15:47:10,635 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 15:47:10,636 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 15:47:10,636 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 15:47:10,636 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 15:47:10,636 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 15:47:10,636 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 15:47:10,637 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 15:47:10,637 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 15:47:10,637 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 15:47:10,637 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 15:47:10,637 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 15:47:10,637 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 15:47:10,637 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 15:47:10,637 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 15:47:10,637 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 15:47:10,638 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 15:47:10,638 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 15:47:10,638 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 15:47:10,638 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 15:47:10,638 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 15:47:10,638 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 15:47:10,638 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 15:47:10,638 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 15:47:10,638 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 15:47:10,638 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 15:47:10,638 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 15:47:10,638 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 15:47:10,639 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:47:10,639 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 15:47:10,639 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 15:47:10,639 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 15:47:10,639 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 15:47:10,639 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:47:10,639 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 15:47:10,639 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 15:47:10,639 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 15:47:10,639 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 15:47:10,639 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 15:47:10,639 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 15:47:10,640 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 15:47:10,640 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 15:47:10,640 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 15:47:10,640 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 15:47:10,640 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_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/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 -> 1cca72686861ad5f32c03321c83cb01c79fc9fe11e27ec52efe74f8c4ef5e302 [2024-12-02 15:47:10,876 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 15:47:10,884 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 15:47:10,886 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 15:47:10,887 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 15:47:10,888 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 15:47:10,889 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-21.i [2024-12-02 15:47:13,601 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/bin/uautomizer-verify-84ZbGMXZE1/data/ddad3fd4c/437c8e2989a64be483f26002d5b22661/FLAG430c3ced1 [2024-12-02 15:47:13,811 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 15:47:13,812 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-21.i [2024-12-02 15:47:13,820 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/bin/uautomizer-verify-84ZbGMXZE1/data/ddad3fd4c/437c8e2989a64be483f26002d5b22661/FLAG430c3ced1 [2024-12-02 15:47:13,834 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/bin/uautomizer-verify-84ZbGMXZE1/data/ddad3fd4c/437c8e2989a64be483f26002d5b22661 [2024-12-02 15:47:13,836 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 15:47:13,837 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 15:47:13,838 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 15:47:13,838 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 15:47:13,841 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 15:47:13,842 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:47:13" (1/1) ... [2024-12-02 15:47:13,842 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@440f1847 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:47:13, skipping insertion in model container [2024-12-02 15:47:13,843 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:47:13" (1/1) ... [2024-12-02 15:47:13,860 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 15:47:13,962 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_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-21.i[916,929] [2024-12-02 15:47:14,008 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 15:47:14,019 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 15:47:14,027 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_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-21.i[916,929] [2024-12-02 15:47:14,051 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 15:47:14,065 INFO L204 MainTranslator]: Completed translation [2024-12-02 15:47:14,065 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:47:14 WrapperNode [2024-12-02 15:47:14,066 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 15:47:14,066 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 15:47:14,066 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 15:47:14,066 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 15:47:14,071 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:47:14" (1/1) ... [2024-12-02 15:47:14,079 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:47:14" (1/1) ... [2024-12-02 15:47:14,107 INFO L138 Inliner]: procedures = 29, calls = 118, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 419 [2024-12-02 15:47:14,107 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 15:47:14,108 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 15:47:14,108 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 15:47:14,108 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 15:47:14,117 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:47:14" (1/1) ... [2024-12-02 15:47:14,117 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:47:14" (1/1) ... [2024-12-02 15:47:14,121 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:47:14" (1/1) ... [2024-12-02 15:47:14,140 INFO L175 MemorySlicer]: Split 91 memory accesses to 10 slices as follows [2, 19, 6, 12, 12, 10, 8, 6, 8, 8]. 21 percent of accesses are in the largest equivalence class. The 11 initializations are split as follows [2, 1, 1, 1, 1, 1, 1, 1, 1, 1]. The 12 writes are split as follows [0, 2, 2, 1, 1, 1, 1, 2, 1, 1]. [2024-12-02 15:47:14,141 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:47:14" (1/1) ... [2024-12-02 15:47:14,141 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:47:14" (1/1) ... [2024-12-02 15:47:14,154 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:47:14" (1/1) ... [2024-12-02 15:47:14,155 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:47:14" (1/1) ... [2024-12-02 15:47:14,159 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:47:14" (1/1) ... [2024-12-02 15:47:14,162 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:47:14" (1/1) ... [2024-12-02 15:47:14,164 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:47:14" (1/1) ... [2024-12-02 15:47:14,169 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 15:47:14,170 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 15:47:14,170 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 15:47:14,170 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 15:47:14,171 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:47:14" (1/1) ... [2024-12-02 15:47:14,175 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:47:14,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:47:14,193 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 15:47:14,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 15:47:14,217 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 15:47:14,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-12-02 15:47:14,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-12-02 15:47:14,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2024-12-02 15:47:14,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2024-12-02 15:47:14,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2024-12-02 15:47:14,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2024-12-02 15:47:14,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2024-12-02 15:47:14,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2024-12-02 15:47:14,218 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#8 [2024-12-02 15:47:14,218 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#9 [2024-12-02 15:47:14,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-12-02 15:47:14,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-12-02 15:47:14,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-12-02 15:47:14,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-12-02 15:47:14,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-12-02 15:47:14,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-12-02 15:47:14,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-12-02 15:47:14,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-12-02 15:47:14,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-12-02 15:47:14,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-12-02 15:47:14,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2024-12-02 15:47:14,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2024-12-02 15:47:14,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2024-12-02 15:47:14,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2024-12-02 15:47:14,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2024-12-02 15:47:14,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2024-12-02 15:47:14,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#6 [2024-12-02 15:47:14,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#7 [2024-12-02 15:47:14,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#8 [2024-12-02 15:47:14,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#9 [2024-12-02 15:47:14,219 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-12-02 15:47:14,219 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-12-02 15:47:14,219 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-12-02 15:47:14,219 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-12-02 15:47:14,219 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-12-02 15:47:14,219 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-12-02 15:47:14,219 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-12-02 15:47:14,219 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-12-02 15:47:14,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-12-02 15:47:14,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-12-02 15:47:14,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2024-12-02 15:47:14,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2024-12-02 15:47:14,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2024-12-02 15:47:14,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2024-12-02 15:47:14,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2024-12-02 15:47:14,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#5 [2024-12-02 15:47:14,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#6 [2024-12-02 15:47:14,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#7 [2024-12-02 15:47:14,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#8 [2024-12-02 15:47:14,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#9 [2024-12-02 15:47:14,220 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 15:47:14,220 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 15:47:14,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 15:47:14,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-02 15:47:14,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-12-02 15:47:14,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-12-02 15:47:14,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-12-02 15:47:14,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-12-02 15:47:14,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-12-02 15:47:14,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-12-02 15:47:14,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-12-02 15:47:14,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-12-02 15:47:14,221 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 15:47:14,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 15:47:14,367 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 15:47:14,368 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 15:47:14,743 INFO L? ?]: Removed 106 outVars from TransFormulas that were not future-live. [2024-12-02 15:47:14,743 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 15:47:14,754 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 15:47:14,754 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 15:47:14,754 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:47:14 BoogieIcfgContainer [2024-12-02 15:47:14,754 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 15:47:14,756 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 15:47:14,756 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 15:47:14,761 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 15:47:14,761 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:47:13" (1/3) ... [2024-12-02 15:47:14,761 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d38882b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:47:14, skipping insertion in model container [2024-12-02 15:47:14,762 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:47:14" (2/3) ... [2024-12-02 15:47:14,762 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d38882b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:47:14, skipping insertion in model container [2024-12-02 15:47:14,762 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:47:14" (3/3) ... [2024-12-02 15:47:14,763 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-p_file-21.i [2024-12-02 15:47:14,778 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 15:47:14,779 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-p_file-21.i that has 2 procedures, 96 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 15:47:14,844 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 15:47:14,854 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;@d909f9a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 15:47:14,854 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 15:47:14,857 INFO L276 IsEmpty]: Start isEmpty. Operand has 96 states, 86 states have (on average 1.4883720930232558) internal successors, (128), 87 states have internal predecessors, (128), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-12-02 15:47:14,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-12-02 15:47:14,863 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:47:14,864 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:47:14,864 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:47:14,868 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:47:14,868 INFO L85 PathProgramCache]: Analyzing trace with hash 306818116, now seen corresponding path program 1 times [2024-12-02 15:47:14,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:47:14,874 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [495051636] [2024-12-02 15:47:14,874 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:47:14,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:47:14,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:47:15,087 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-12-02 15:47:15,088 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:47:15,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [495051636] [2024-12-02 15:47:15,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [495051636] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 15:47:15,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [288965327] [2024-12-02 15:47:15,089 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:47:15,089 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:47:15,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:47:15,092 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 15:47:15,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 15:47:15,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:47:15,303 INFO L256 TraceCheckSpWp]: Trace formula consists of 368 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 15:47:15,309 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:47:15,323 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-12-02 15:47:15,323 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:47:15,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [288965327] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:47:15,323 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 15:47:15,324 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-12-02 15:47:15,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77498719] [2024-12-02 15:47:15,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:47:15,328 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 15:47:15,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:47:15,342 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 15:47:15,343 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 15:47:15,344 INFO L87 Difference]: Start difference. First operand has 96 states, 86 states have (on average 1.4883720930232558) internal successors, (128), 87 states have internal predecessors, (128), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 2 states have call successors, (7) [2024-12-02 15:47:15,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:47:15,367 INFO L93 Difference]: Finished difference Result 185 states and 285 transitions. [2024-12-02 15:47:15,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 15:47:15,369 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 2 states have call successors, (7) Word has length 80 [2024-12-02 15:47:15,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:47:15,374 INFO L225 Difference]: With dead ends: 185 [2024-12-02 15:47:15,374 INFO L226 Difference]: Without dead ends: 92 [2024-12-02 15:47:15,377 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 81 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 15:47:15,379 INFO L435 NwaCegarLoop]: 135 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, 135 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 15:47:15,380 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:47:15,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2024-12-02 15:47:15,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2024-12-02 15:47:15,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 83 states have (on average 1.4578313253012047) internal successors, (121), 83 states have internal predecessors, (121), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-12-02 15:47:15,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 135 transitions. [2024-12-02 15:47:15,413 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 135 transitions. Word has length 80 [2024-12-02 15:47:15,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:47:15,413 INFO L471 AbstractCegarLoop]: Abstraction has 92 states and 135 transitions. [2024-12-02 15:47:15,414 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 2 states have call successors, (7) [2024-12-02 15:47:15,414 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 135 transitions. [2024-12-02 15:47:15,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-12-02 15:47:15,416 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:47:15,416 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:47:15,423 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 15:47:15,616 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-12-02 15:47:15,616 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:47:15,617 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:47:15,617 INFO L85 PathProgramCache]: Analyzing trace with hash -1397824002, now seen corresponding path program 1 times [2024-12-02 15:47:15,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:47:15,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [973537197] [2024-12-02 15:47:15,617 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:47:15,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:47:15,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:47:16,284 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-12-02 15:47:16,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:47:16,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [973537197] [2024-12-02 15:47:16,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [973537197] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:47:16,284 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:47:16,285 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 15:47:16,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80854397] [2024-12-02 15:47:16,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:47:16,285 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 15:47:16,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:47:16,286 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 15:47:16,286 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:47:16,287 INFO L87 Difference]: Start difference. First operand 92 states and 135 transitions. Second operand has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-12-02 15:47:16,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:47:16,481 INFO L93 Difference]: Finished difference Result 301 states and 443 transitions. [2024-12-02 15:47:16,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 15:47:16,482 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 80 [2024-12-02 15:47:16,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:47:16,484 INFO L225 Difference]: With dead ends: 301 [2024-12-02 15:47:16,484 INFO L226 Difference]: Without dead ends: 212 [2024-12-02 15:47:16,485 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-12-02 15:47:16,485 INFO L435 NwaCegarLoop]: 126 mSDtfsCounter, 239 mSDsluCounter, 577 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 239 SdHoareTripleChecker+Valid, 703 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:47:16,486 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [239 Valid, 703 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 15:47:16,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2024-12-02 15:47:16,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 185. [2024-12-02 15:47:16,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185 states, 168 states have (on average 1.4404761904761905) internal successors, (242), 168 states have internal predecessors, (242), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-12-02 15:47:16,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 270 transitions. [2024-12-02 15:47:16,503 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 270 transitions. Word has length 80 [2024-12-02 15:47:16,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:47:16,503 INFO L471 AbstractCegarLoop]: Abstraction has 185 states and 270 transitions. [2024-12-02 15:47:16,503 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-12-02 15:47:16,503 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 270 transitions. [2024-12-02 15:47:16,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-12-02 15:47:16,505 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:47:16,505 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:47:16,505 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 15:47:16,506 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:47:16,506 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:47:16,506 INFO L85 PathProgramCache]: Analyzing trace with hash 986714953, now seen corresponding path program 1 times [2024-12-02 15:47:16,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:47:16,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105575325] [2024-12-02 15:47:16,506 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:47:16,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:47:16,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:47:16,672 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-12-02 15:47:16,672 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:47:16,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [105575325] [2024-12-02 15:47:16,673 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [105575325] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:47:16,673 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:47:16,673 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:47:16,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821235554] [2024-12-02 15:47:16,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:47:16,673 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:47:16,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:47:16,674 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:47:16,674 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:47:16,675 INFO L87 Difference]: Start difference. First operand 185 states and 270 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-12-02 15:47:16,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:47:16,713 INFO L93 Difference]: Finished difference Result 370 states and 541 transitions. [2024-12-02 15:47:16,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:47:16,713 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 83 [2024-12-02 15:47:16,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:47:16,715 INFO L225 Difference]: With dead ends: 370 [2024-12-02 15:47:16,715 INFO L226 Difference]: Without dead ends: 188 [2024-12-02 15:47:16,716 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 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 15:47:16,716 INFO L435 NwaCegarLoop]: 132 mSDtfsCounter, 0 mSDsluCounter, 381 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 513 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 15:47:16,717 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 513 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:47:16,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2024-12-02 15:47:16,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 188. [2024-12-02 15:47:16,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 188 states, 171 states have (on average 1.4269005847953216) internal successors, (244), 171 states have internal predecessors, (244), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-12-02 15:47:16,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 272 transitions. [2024-12-02 15:47:16,729 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 272 transitions. Word has length 83 [2024-12-02 15:47:16,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:47:16,729 INFO L471 AbstractCegarLoop]: Abstraction has 188 states and 272 transitions. [2024-12-02 15:47:16,729 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-12-02 15:47:16,729 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 272 transitions. [2024-12-02 15:47:16,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-12-02 15:47:16,731 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:47:16,731 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:47:16,731 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 15:47:16,731 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:47:16,732 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:47:16,732 INFO L85 PathProgramCache]: Analyzing trace with hash -863945486, now seen corresponding path program 1 times [2024-12-02 15:47:16,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:47:16,732 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708698213] [2024-12-02 15:47:16,732 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:47:16,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:47:16,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:47:17,828 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-12-02 15:47:17,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:47:17,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708698213] [2024-12-02 15:47:17,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [708698213] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:47:17,828 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:47:17,829 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-12-02 15:47:17,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53118915] [2024-12-02 15:47:17,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:47:17,829 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-02 15:47:17,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:47:17,830 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-02 15:47:17,830 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-12-02 15:47:17,830 INFO L87 Difference]: Start difference. First operand 188 states and 272 transitions. Second operand has 12 states, 10 states have (on average 5.5) internal successors, (55), 11 states have internal predecessors, (55), 4 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) [2024-12-02 15:47:18,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:47:18,303 INFO L93 Difference]: Finished difference Result 582 states and 833 transitions. [2024-12-02 15:47:18,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-02 15:47:18,304 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 5.5) internal successors, (55), 11 states have internal predecessors, (55), 4 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) Word has length 87 [2024-12-02 15:47:18,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:47:18,306 INFO L225 Difference]: With dead ends: 582 [2024-12-02 15:47:18,306 INFO L226 Difference]: Without dead ends: 397 [2024-12-02 15:47:18,307 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=78, Invalid=302, Unknown=0, NotChecked=0, Total=380 [2024-12-02 15:47:18,308 INFO L435 NwaCegarLoop]: 166 mSDtfsCounter, 450 mSDsluCounter, 1196 mSDsCounter, 0 mSdLazyCounter, 253 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 450 SdHoareTripleChecker+Valid, 1362 SdHoareTripleChecker+Invalid, 280 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 253 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 15:47:18,308 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [450 Valid, 1362 Invalid, 280 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 253 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 15:47:18,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2024-12-02 15:47:18,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 305. [2024-12-02 15:47:18,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 305 states, 280 states have (on average 1.4142857142857144) internal successors, (396), 282 states have internal predecessors, (396), 20 states have call successors, (20), 4 states have call predecessors, (20), 4 states have return successors, (20), 18 states have call predecessors, (20), 20 states have call successors, (20) [2024-12-02 15:47:18,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 436 transitions. [2024-12-02 15:47:18,334 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 436 transitions. Word has length 87 [2024-12-02 15:47:18,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:47:18,335 INFO L471 AbstractCegarLoop]: Abstraction has 305 states and 436 transitions. [2024-12-02 15:47:18,335 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 5.5) internal successors, (55), 11 states have internal predecessors, (55), 4 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) [2024-12-02 15:47:18,335 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 436 transitions. [2024-12-02 15:47:18,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-12-02 15:47:18,336 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:47:18,336 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:47:18,337 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 15:47:18,337 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:47:18,337 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:47:18,337 INFO L85 PathProgramCache]: Analyzing trace with hash -907307414, now seen corresponding path program 1 times [2024-12-02 15:47:18,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:47:18,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [588808925] [2024-12-02 15:47:18,338 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:47:18,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:47:18,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:47:18,939 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-12-02 15:47:18,939 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:47:18,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [588808925] [2024-12-02 15:47:18,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [588808925] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:47:18,939 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:47:18,939 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-12-02 15:47:18,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948375988] [2024-12-02 15:47:18,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:47:18,940 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 15:47:18,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:47:18,940 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 15:47:18,940 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-12-02 15:47:18,941 INFO L87 Difference]: Start difference. First operand 305 states and 436 transitions. Second operand has 10 states, 9 states have (on average 6.222222222222222) internal successors, (56), 9 states have internal predecessors, (56), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-12-02 15:47:19,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:47:19,189 INFO L93 Difference]: Finished difference Result 655 states and 931 transitions. [2024-12-02 15:47:19,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 15:47:19,190 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 6.222222222222222) internal successors, (56), 9 states have internal predecessors, (56), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 88 [2024-12-02 15:47:19,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:47:19,194 INFO L225 Difference]: With dead ends: 655 [2024-12-02 15:47:19,194 INFO L226 Difference]: Without dead ends: 484 [2024-12-02 15:47:19,195 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240 [2024-12-02 15:47:19,196 INFO L435 NwaCegarLoop]: 160 mSDtfsCounter, 366 mSDsluCounter, 848 mSDsCounter, 0 mSdLazyCounter, 169 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 366 SdHoareTripleChecker+Valid, 1008 SdHoareTripleChecker+Invalid, 187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:47:19,196 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [366 Valid, 1008 Invalid, 187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 169 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 15:47:19,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 484 states. [2024-12-02 15:47:19,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 484 to 308. [2024-12-02 15:47:19,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 308 states, 283 states have (on average 1.4098939929328622) internal successors, (399), 285 states have internal predecessors, (399), 20 states have call successors, (20), 4 states have call predecessors, (20), 4 states have return successors, (20), 18 states have call predecessors, (20), 20 states have call successors, (20) [2024-12-02 15:47:19,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 439 transitions. [2024-12-02 15:47:19,220 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 439 transitions. Word has length 88 [2024-12-02 15:47:19,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:47:19,221 INFO L471 AbstractCegarLoop]: Abstraction has 308 states and 439 transitions. [2024-12-02 15:47:19,221 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 6.222222222222222) internal successors, (56), 9 states have internal predecessors, (56), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-12-02 15:47:19,221 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 439 transitions. [2024-12-02 15:47:19,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-12-02 15:47:19,222 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:47:19,222 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:47:19,222 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 15:47:19,222 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:47:19,223 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:47:19,223 INFO L85 PathProgramCache]: Analyzing trace with hash -438132547, now seen corresponding path program 1 times [2024-12-02 15:47:19,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:47:19,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485242952] [2024-12-02 15:47:19,223 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:47:19,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:47:19,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:47:19,400 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-12-02 15:47:19,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:47:19,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [485242952] [2024-12-02 15:47:19,400 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [485242952] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:47:19,400 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:47:19,400 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 15:47:19,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944956027] [2024-12-02 15:47:19,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:47:19,401 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 15:47:19,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:47:19,401 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 15:47:19,401 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-12-02 15:47:19,402 INFO L87 Difference]: Start difference. First operand 308 states and 439 transitions. Second operand has 8 states, 8 states have (on average 7.125) internal successors, (57), 8 states have internal predecessors, (57), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-12-02 15:47:19,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:47:19,453 INFO L93 Difference]: Finished difference Result 322 states and 455 transitions. [2024-12-02 15:47:19,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 15:47:19,454 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.125) internal successors, (57), 8 states have internal predecessors, (57), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 89 [2024-12-02 15:47:19,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:47:19,456 INFO L225 Difference]: With dead ends: 322 [2024-12-02 15:47:19,456 INFO L226 Difference]: Without dead ends: 320 [2024-12-02 15:47:19,456 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 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 15:47:19,457 INFO L435 NwaCegarLoop]: 129 mSDtfsCounter, 0 mSDsluCounter, 759 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 888 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:47:19,457 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 888 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:47:19,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2024-12-02 15:47:19,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 320. [2024-12-02 15:47:19,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 320 states, 295 states have (on average 1.3932203389830509) internal successors, (411), 297 states have internal predecessors, (411), 20 states have call successors, (20), 4 states have call predecessors, (20), 4 states have return successors, (20), 18 states have call predecessors, (20), 20 states have call successors, (20) [2024-12-02 15:47:19,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 320 states and 451 transitions. [2024-12-02 15:47:19,473 INFO L78 Accepts]: Start accepts. Automaton has 320 states and 451 transitions. Word has length 89 [2024-12-02 15:47:19,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:47:19,474 INFO L471 AbstractCegarLoop]: Abstraction has 320 states and 451 transitions. [2024-12-02 15:47:19,474 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.125) internal successors, (57), 8 states have internal predecessors, (57), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-12-02 15:47:19,474 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 451 transitions. [2024-12-02 15:47:19,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-12-02 15:47:19,475 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:47:19,475 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:47:19,475 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 15:47:19,475 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:47:19,475 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:47:19,475 INFO L85 PathProgramCache]: Analyzing trace with hash -510286070, now seen corresponding path program 1 times [2024-12-02 15:47:19,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:47:19,476 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2147201507] [2024-12-02 15:47:19,476 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:47:19,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:47:19,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:47:19,774 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 9 proven. 9 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-12-02 15:47:19,775 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:47:19,775 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2147201507] [2024-12-02 15:47:19,775 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2147201507] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 15:47:19,775 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1709920662] [2024-12-02 15:47:19,775 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:47:19,775 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:47:19,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:47:19,777 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 15:47:19,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 15:47:19,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:47:19,982 INFO L256 TraceCheckSpWp]: Trace formula consists of 376 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-02 15:47:19,986 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:47:20,156 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 15:47:20,273 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 19 treesize of output 11 [2024-12-02 15:47:20,287 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 3 proven. 57 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-12-02 15:47:20,287 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 15:47:20,512 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 32 [2024-12-02 15:47:20,616 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 9 proven. 9 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-12-02 15:47:20,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1709920662] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 15:47:20,616 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 15:47:20,616 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8, 8] total 14 [2024-12-02 15:47:20,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674643638] [2024-12-02 15:47:20,616 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 15:47:20,617 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-12-02 15:47:20,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:47:20,618 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-12-02 15:47:20,618 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2024-12-02 15:47:20,618 INFO L87 Difference]: Start difference. First operand 320 states and 451 transitions. Second operand has 14 states, 11 states have (on average 7.818181818181818) internal successors, (86), 13 states have internal predecessors, (86), 6 states have call successors, (17), 3 states have call predecessors, (17), 5 states have return successors, (17), 4 states have call predecessors, (17), 6 states have call successors, (17) [2024-12-02 15:47:20,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:47:20,947 INFO L93 Difference]: Finished difference Result 530 states and 742 transitions. [2024-12-02 15:47:20,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-02 15:47:20,947 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 11 states have (on average 7.818181818181818) internal successors, (86), 13 states have internal predecessors, (86), 6 states have call successors, (17), 3 states have call predecessors, (17), 5 states have return successors, (17), 4 states have call predecessors, (17), 6 states have call successors, (17) Word has length 89 [2024-12-02 15:47:20,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:47:20,949 INFO L225 Difference]: With dead ends: 530 [2024-12-02 15:47:20,949 INFO L226 Difference]: Without dead ends: 235 [2024-12-02 15:47:20,950 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 171 SyntacticMatches, 4 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=116, Invalid=346, Unknown=0, NotChecked=0, Total=462 [2024-12-02 15:47:20,951 INFO L435 NwaCegarLoop]: 115 mSDtfsCounter, 533 mSDsluCounter, 538 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 533 SdHoareTripleChecker+Valid, 653 SdHoareTripleChecker+Invalid, 193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:47:20,951 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [533 Valid, 653 Invalid, 193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 15:47:20,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2024-12-02 15:47:20,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 235. [2024-12-02 15:47:20,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 235 states, 212 states have (on average 1.3773584905660377) internal successors, (292), 213 states have internal predecessors, (292), 17 states have call successors, (17), 5 states have call predecessors, (17), 5 states have return successors, (17), 16 states have call predecessors, (17), 17 states have call successors, (17) [2024-12-02 15:47:20,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 326 transitions. [2024-12-02 15:47:20,965 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 326 transitions. Word has length 89 [2024-12-02 15:47:20,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:47:20,965 INFO L471 AbstractCegarLoop]: Abstraction has 235 states and 326 transitions. [2024-12-02 15:47:20,966 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 11 states have (on average 7.818181818181818) internal successors, (86), 13 states have internal predecessors, (86), 6 states have call successors, (17), 3 states have call predecessors, (17), 5 states have return successors, (17), 4 states have call predecessors, (17), 6 states have call successors, (17) [2024-12-02 15:47:20,966 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 326 transitions. [2024-12-02 15:47:20,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-12-02 15:47:20,966 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:47:20,967 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:47:20,972 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-02 15:47:21,167 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-12-02 15:47:21,167 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:47:21,168 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:47:21,168 INFO L85 PathProgramCache]: Analyzing trace with hash -1938045312, now seen corresponding path program 1 times [2024-12-02 15:47:21,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:47:21,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738763097] [2024-12-02 15:47:21,168 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:47:21,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:47:21,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:47:21,232 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-12-02 15:47:21,232 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:47:21,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1738763097] [2024-12-02 15:47:21,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1738763097] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:47:21,232 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:47:21,232 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 15:47:21,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [739552910] [2024-12-02 15:47:21,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:47:21,233 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:47:21,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:47:21,233 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:47:21,233 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:47:21,234 INFO L87 Difference]: Start difference. First operand 235 states and 326 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-12-02 15:47:21,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:47:21,256 INFO L93 Difference]: Finished difference Result 403 states and 561 transitions. [2024-12-02 15:47:21,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:47:21,257 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 90 [2024-12-02 15:47:21,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:47:21,258 INFO L225 Difference]: With dead ends: 403 [2024-12-02 15:47:21,258 INFO L226 Difference]: Without dead ends: 237 [2024-12-02 15:47:21,259 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 15:47:21,259 INFO L435 NwaCegarLoop]: 133 mSDtfsCounter, 0 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 260 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:47:21,259 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 260 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:47:21,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2024-12-02 15:47:21,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 237. [2024-12-02 15:47:21,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 237 states, 214 states have (on average 1.3738317757009346) internal successors, (294), 215 states have internal predecessors, (294), 17 states have call successors, (17), 5 states have call predecessors, (17), 5 states have return successors, (17), 16 states have call predecessors, (17), 17 states have call successors, (17) [2024-12-02 15:47:21,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 328 transitions. [2024-12-02 15:47:21,276 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 328 transitions. Word has length 90 [2024-12-02 15:47:21,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:47:21,276 INFO L471 AbstractCegarLoop]: Abstraction has 237 states and 328 transitions. [2024-12-02 15:47:21,277 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-12-02 15:47:21,277 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 328 transitions. [2024-12-02 15:47:21,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-12-02 15:47:21,278 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:47:21,278 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:47:21,278 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-12-02 15:47:21,278 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:47:21,278 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:47:21,278 INFO L85 PathProgramCache]: Analyzing trace with hash 768574082, now seen corresponding path program 1 times [2024-12-02 15:47:21,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:47:21,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971587842] [2024-12-02 15:47:21,278 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:47:21,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:47:21,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-02 15:47:21,326 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [903391391] [2024-12-02 15:47:21,327 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:47:21,327 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:47:21,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:47:21,330 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 15:47:21,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-02 15:47:21,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 15:47:21,537 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 15:47:21,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 15:47:21,703 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-12-02 15:47:21,703 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-02 15:47:21,704 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 15:47:21,714 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-12-02 15:47:21,906 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2024-12-02 15:47:21,908 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:47:21,992 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 15:47:21,996 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 03:47:21 BoogieIcfgContainer [2024-12-02 15:47:21,996 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 15:47:21,996 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 15:47:21,996 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 15:47:21,996 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 15:47:21,997 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:47:14" (3/4) ... [2024-12-02 15:47:21,999 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-02 15:47:22,000 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 15:47:22,001 INFO L158 Benchmark]: Toolchain (without parser) took 8163.78ms. Allocated memory was 142.6MB in the beginning and 411.0MB in the end (delta: 268.4MB). Free memory was 118.5MB in the beginning and 223.3MB in the end (delta: -104.7MB). Peak memory consumption was 161.8MB. Max. memory is 16.1GB. [2024-12-02 15:47:22,001 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 82.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 15:47:22,001 INFO L158 Benchmark]: CACSL2BoogieTranslator took 227.88ms. Allocated memory is still 142.6MB. Free memory was 118.3MB in the beginning and 104.6MB in the end (delta: 13.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 15:47:22,001 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.15ms. Allocated memory is still 142.6MB. Free memory was 104.6MB in the beginning and 101.9MB in the end (delta: 2.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 15:47:22,001 INFO L158 Benchmark]: Boogie Preprocessor took 61.29ms. Allocated memory is still 142.6MB. Free memory was 101.9MB in the beginning and 97.8MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 15:47:22,002 INFO L158 Benchmark]: RCFGBuilder took 584.57ms. Allocated memory is still 142.6MB. Free memory was 97.8MB in the beginning and 66.8MB in the end (delta: 31.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-02 15:47:22,002 INFO L158 Benchmark]: TraceAbstraction took 7239.46ms. Allocated memory was 142.6MB in the beginning and 411.0MB in the end (delta: 268.4MB). Free memory was 66.3MB in the beginning and 223.3MB in the end (delta: -157.0MB). Peak memory consumption was 111.5MB. Max. memory is 16.1GB. [2024-12-02 15:47:22,002 INFO L158 Benchmark]: Witness Printer took 3.66ms. Allocated memory is still 411.0MB. Free memory was 223.3MB in the beginning and 223.3MB in the end (delta: 35.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 15:47:22,003 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 82.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 227.88ms. Allocated memory is still 142.6MB. Free memory was 118.3MB in the beginning and 104.6MB in the end (delta: 13.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.15ms. Allocated memory is still 142.6MB. Free memory was 104.6MB in the beginning and 101.9MB in the end (delta: 2.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.29ms. Allocated memory is still 142.6MB. Free memory was 101.9MB in the beginning and 97.8MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 584.57ms. Allocated memory is still 142.6MB. Free memory was 97.8MB in the beginning and 66.8MB in the end (delta: 31.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * TraceAbstraction took 7239.46ms. Allocated memory was 142.6MB in the beginning and 411.0MB in the end (delta: 268.4MB). Free memory was 66.3MB in the beginning and 223.3MB in the end (delta: -157.0MB). Peak memory consumption was 111.5MB. Max. memory is 16.1GB. * Witness Printer took 3.66ms. Allocated memory is still 411.0MB. Free memory was 223.3MB in the beginning and 223.3MB in the end (delta: 35.8kB). 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 80, overapproximation of someBinaryFLOATComparisonOperation at line 82, overapproximation of someBinaryFLOATComparisonOperation at line 80, overapproximation of someBinaryFLOATComparisonOperation at line 82, overapproximation of someBinaryDOUBLEComparisonOperation at line 61, overapproximation of someBinaryDOUBLEComparisonOperation at line 55, overapproximation of someBinaryDOUBLEComparisonOperation at line 75, overapproximation of someBinaryDOUBLEComparisonOperation at line 75, overapproximation of someBinaryDOUBLEComparisonOperation at line 61, overapproximation of someBinaryDOUBLEComparisonOperation at line 73, overapproximation of someBinaryDOUBLEComparisonOperation at line 89, overapproximation of someBinaryDOUBLEComparisonOperation at line 73, overapproximation of someBinaryDOUBLEComparisonOperation at line 71, overapproximation of someBinaryDOUBLEComparisonOperation at line 89, overapproximation of someBinaryDOUBLEComparisonOperation at line 71. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 32; [L22] unsigned short int var_1_1 = 32; [L23] unsigned short int* var_1_1_Pointer = &(var_1_1); [L24] unsigned char var_1_7 = 0; [L24] unsigned char var_1_7 = 0; [L25] unsigned char* var_1_7_Pointer = &(var_1_7); [L26] double var_1_8 = 15.6; [L26] double var_1_8 = 15.6; [L27] double* var_1_8_Pointer = &(var_1_8); [L28] double var_1_9 = 15.4; [L28] double var_1_9 = 15.4; [L29] double* var_1_9_Pointer = &(var_1_9); [L30] double var_1_10 = 32.2; [L30] double var_1_10 = 32.2; [L31] double* var_1_10_Pointer = &(var_1_10); [L32] unsigned char var_1_12 = 1; [L32] unsigned char var_1_12 = 1; [L33] unsigned char* var_1_12_Pointer = &(var_1_12); [L34] signed short int var_1_13 = 256; [L34] signed short int var_1_13 = 256; [L35] signed short int* var_1_13_Pointer = &(var_1_13); [L36] float var_1_14 = 5.75; [L36] float var_1_14 = 5.75; [L37] float* var_1_14_Pointer = &(var_1_14); [L38] float var_1_15 = 8.6; [L38] float var_1_15 = 8.6; [L39] float* var_1_15_Pointer = &(var_1_15); [L40] unsigned char last_1_var_1_7 = 0; [L41] signed short int last_1_var_1_13 = 256; VAL [isInitial=0, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L93] isInitial = 1 [L94] FCALL initially() [L96] CALL updateLastVariables() [L85] EXPR \read(var_1_7) [L85] last_1_var_1_7 = var_1_7 [L86] EXPR \read(var_1_13) [L86] last_1_var_1_13 = var_1_13 [L96] RET updateLastVariables() [L97] CALL updateVariables() [L70] var_1_8 = __VERIFIER_nondet_double() [L71] EXPR \read(var_1_8) [L71] EXPR var_1_8 >= -922337.2036854776000e+13F && var_1_8 <= -1.0e-20F VAL [isInitial=1, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L71] EXPR var_1_8 >= -922337.2036854776000e+13F && var_1_8 <= -1.0e-20F [L71] EXPR \read(var_1_8) [L71] EXPR var_1_8 >= -922337.2036854776000e+13F && var_1_8 <= -1.0e-20F VAL [isInitial=1, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L71] EXPR (var_1_8 >= -922337.2036854776000e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854776000e+12F && var_1_8 >= 1.0e-20F ) VAL [isInitial=1, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L71] EXPR (var_1_8 >= -922337.2036854776000e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854776000e+12F && var_1_8 >= 1.0e-20F ) VAL [isInitial=1, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L71] CALL assume_abort_if_not((var_1_8 >= -922337.2036854776000e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854776000e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L71] RET assume_abort_if_not((var_1_8 >= -922337.2036854776000e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854776000e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L72] var_1_9 = __VERIFIER_nondet_double() [L73] EXPR \read(var_1_9) [L73] EXPR var_1_9 >= -922337.2036854776000e+13F && var_1_9 <= -1.0e-20F VAL [isInitial=1, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L73] EXPR var_1_9 >= -922337.2036854776000e+13F && var_1_9 <= -1.0e-20F [L73] EXPR \read(var_1_9) [L73] EXPR var_1_9 >= -922337.2036854776000e+13F && var_1_9 <= -1.0e-20F VAL [isInitial=1, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L73] EXPR (var_1_9 >= -922337.2036854776000e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854776000e+12F && var_1_9 >= 1.0e-20F ) VAL [isInitial=1, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L73] EXPR (var_1_9 >= -922337.2036854776000e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854776000e+12F && var_1_9 >= 1.0e-20F ) VAL [isInitial=1, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L73] CALL assume_abort_if_not((var_1_9 >= -922337.2036854776000e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854776000e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L73] RET assume_abort_if_not((var_1_9 >= -922337.2036854776000e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854776000e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L74] var_1_10 = __VERIFIER_nondet_double() [L75] EXPR \read(var_1_10) [L75] EXPR var_1_10 >= -922337.2036854776000e+13F && var_1_10 <= -1.0e-20F VAL [isInitial=1, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L75] EXPR var_1_10 >= -922337.2036854776000e+13F && var_1_10 <= -1.0e-20F [L75] EXPR \read(var_1_10) [L75] EXPR var_1_10 >= -922337.2036854776000e+13F && var_1_10 <= -1.0e-20F VAL [isInitial=1, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L75] EXPR (var_1_10 >= -922337.2036854776000e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854776000e+12F && var_1_10 >= 1.0e-20F ) VAL [isInitial=1, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L75] EXPR (var_1_10 >= -922337.2036854776000e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854776000e+12F && var_1_10 >= 1.0e-20F ) VAL [isInitial=1, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L75] CALL assume_abort_if_not((var_1_10 >= -922337.2036854776000e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854776000e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L75] RET assume_abort_if_not((var_1_10 >= -922337.2036854776000e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854776000e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L76] var_1_12 = __VERIFIER_nondet_uchar() [L77] EXPR \read(var_1_12) VAL [isInitial=1, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L77] CALL assume_abort_if_not(var_1_12 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L77] RET assume_abort_if_not(var_1_12 >= 1) VAL [isInitial=1, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L78] EXPR \read(var_1_12) VAL [isInitial=1, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L78] CALL assume_abort_if_not(var_1_12 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L78] RET assume_abort_if_not(var_1_12 <= 1) VAL [isInitial=1, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L79] var_1_14 = __VERIFIER_nondet_float() [L80] EXPR \read(var_1_14) [L80] EXPR var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F VAL [isInitial=1, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L80] EXPR var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F [L80] EXPR \read(var_1_14) [L80] EXPR var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F VAL [isInitial=1, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L80] EXPR (var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854776000e+12F && var_1_14 >= 1.0e-20F ) VAL [isInitial=1, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L80] EXPR (var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854776000e+12F && var_1_14 >= 1.0e-20F ) VAL [isInitial=1, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L80] CALL assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854776000e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L80] RET assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854776000e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L81] var_1_15 = __VERIFIER_nondet_float() [L82] EXPR \read(var_1_15) [L82] EXPR var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F VAL [isInitial=1, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L82] EXPR var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F [L82] EXPR \read(var_1_15) [L82] EXPR var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F VAL [isInitial=1, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L82] EXPR (var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854776000e+12F && var_1_15 >= 1.0e-20F ) VAL [isInitial=1, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L82] EXPR (var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854776000e+12F && var_1_15 >= 1.0e-20F ) VAL [isInitial=1, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L82] CALL assume_abort_if_not((var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854776000e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L82] RET assume_abort_if_not((var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854776000e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L97] RET updateVariables() [L98] CALL step() [L45] COND TRUE (last_1_var_1_13 + ((((last_1_var_1_13) > (last_1_var_1_13)) ? (last_1_var_1_13) : (last_1_var_1_13)))) < (last_1_var_1_13 * last_1_var_1_13) VAL [isInitial=1, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L46] COND FALSE !(last_1_var_1_13 < (last_1_var_1_13 - last_1_var_1_13)) VAL [isInitial=1, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L54] EXPR \read(*var_1_12_Pointer) VAL [isInitial=1, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L54] COND TRUE (*(var_1_12_Pointer)) [L55] EXPR \read(*var_1_14_Pointer) [L55] EXPR \read(*var_1_15_Pointer) [L55] EXPR \read(*var_1_8_Pointer) [L55] EXPR \read(*var_1_10_Pointer) [L55] EXPR \read(*var_1_9_Pointer) VAL [isInitial=1, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L55] COND FALSE !(((*(var_1_14_Pointer)) - (*(var_1_15_Pointer))) >= (((*(var_1_8_Pointer)) + (*(var_1_10_Pointer))) + (*(var_1_9_Pointer)))) [L58] EXPR \read(*var_1_1_Pointer) [L58] (*(var_1_13_Pointer)) = (*(var_1_1_Pointer)) [L61] EXPR \read(*var_1_8_Pointer) [L61] EXPR \read(*var_1_9_Pointer) VAL [isInitial=1, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L61] EXPR (((*(var_1_8_Pointer))) < ((*(var_1_9_Pointer)))) ? ((*(var_1_8_Pointer))) : ((*(var_1_9_Pointer))) [L61] EXPR \read(*var_1_8_Pointer) [L61] EXPR (((*(var_1_8_Pointer))) < ((*(var_1_9_Pointer)))) ? ((*(var_1_8_Pointer))) : ((*(var_1_9_Pointer))) VAL [isInitial=1, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L61] EXPR \read(*var_1_10_Pointer) VAL [isInitial=1, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L61] COND TRUE (((((*(var_1_8_Pointer))) < ((*(var_1_9_Pointer)))) ? ((*(var_1_8_Pointer))) : ((*(var_1_9_Pointer))))) <= (*(var_1_10_Pointer)) [L62] last_1_var_1_7 && ((*(var_1_1_Pointer)) >= (*(var_1_1_Pointer))) VAL [isInitial=1, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L62] last_1_var_1_7 && ((*(var_1_1_Pointer)) >= (*(var_1_1_Pointer))) VAL [isInitial=1, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L62] COND FALSE !(last_1_var_1_7 && ((*(var_1_1_Pointer)) >= (*(var_1_1_Pointer)))) [L98] RET step() [L99] CALL, EXPR property() [L89] EXPR ((last_1_var_1_13 + ((((last_1_var_1_13) > (last_1_var_1_13)) ? (last_1_var_1_13) : (last_1_var_1_13)))) < (last_1_var_1_13 * last_1_var_1_13)) ? ((last_1_var_1_13 < (last_1_var_1_13 - last_1_var_1_13)) ? ((last_1_var_1_13 != (((((((last_1_var_1_13) < (last_1_var_1_13)) ? (last_1_var_1_13) : (last_1_var_1_13))) < 0 ) ? -((((last_1_var_1_13) < (last_1_var_1_13)) ? (last_1_var_1_13) : (last_1_var_1_13))) : ((((last_1_var_1_13) < (last_1_var_1_13)) ? (last_1_var_1_13) : (last_1_var_1_13)))))) ? ((*(var_1_1_Pointer)) == ((unsigned short int) last_1_var_1_13)) : 1) : 1) : ((*(var_1_1_Pointer)) == ((unsigned short int) last_1_var_1_13)) VAL [isInitial=1, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L89] EXPR (last_1_var_1_13 < (last_1_var_1_13 - last_1_var_1_13)) ? ((last_1_var_1_13 != (((((((last_1_var_1_13) < (last_1_var_1_13)) ? (last_1_var_1_13) : (last_1_var_1_13))) < 0 ) ? -((((last_1_var_1_13) < (last_1_var_1_13)) ? (last_1_var_1_13) : (last_1_var_1_13))) : ((((last_1_var_1_13) < (last_1_var_1_13)) ? (last_1_var_1_13) : (last_1_var_1_13)))))) ? ((*(var_1_1_Pointer)) == ((unsigned short int) last_1_var_1_13)) : 1) : 1 [L89] EXPR (last_1_var_1_13 < (last_1_var_1_13 - last_1_var_1_13)) ? ((last_1_var_1_13 != (((((((last_1_var_1_13) < (last_1_var_1_13)) ? (last_1_var_1_13) : (last_1_var_1_13))) < 0 ) ? -((((last_1_var_1_13) < (last_1_var_1_13)) ? (last_1_var_1_13) : (last_1_var_1_13))) : ((((last_1_var_1_13) < (last_1_var_1_13)) ? (last_1_var_1_13) : (last_1_var_1_13)))))) ? ((*(var_1_1_Pointer)) == ((unsigned short int) last_1_var_1_13)) : 1) : 1 VAL [isInitial=1, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L89] EXPR ((last_1_var_1_13 + ((((last_1_var_1_13) > (last_1_var_1_13)) ? (last_1_var_1_13) : (last_1_var_1_13)))) < (last_1_var_1_13 * last_1_var_1_13)) ? ((last_1_var_1_13 < (last_1_var_1_13 - last_1_var_1_13)) ? ((last_1_var_1_13 != (((((((last_1_var_1_13) < (last_1_var_1_13)) ? (last_1_var_1_13) : (last_1_var_1_13))) < 0 ) ? -((((last_1_var_1_13) < (last_1_var_1_13)) ? (last_1_var_1_13) : (last_1_var_1_13))) : ((((last_1_var_1_13) < (last_1_var_1_13)) ? (last_1_var_1_13) : (last_1_var_1_13)))))) ? ((*(var_1_1_Pointer)) == ((unsigned short int) last_1_var_1_13)) : 1) : 1) : ((*(var_1_1_Pointer)) == ((unsigned short int) last_1_var_1_13)) VAL [isInitial=1, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L89] EXPR (((last_1_var_1_13 + ((((last_1_var_1_13) > (last_1_var_1_13)) ? (last_1_var_1_13) : (last_1_var_1_13)))) < (last_1_var_1_13 * last_1_var_1_13)) ? ((last_1_var_1_13 < (last_1_var_1_13 - last_1_var_1_13)) ? ((last_1_var_1_13 != (((((((last_1_var_1_13) < (last_1_var_1_13)) ? (last_1_var_1_13) : (last_1_var_1_13))) < 0 ) ? -((((last_1_var_1_13) < (last_1_var_1_13)) ? (last_1_var_1_13) : (last_1_var_1_13))) : ((((last_1_var_1_13) < (last_1_var_1_13)) ? (last_1_var_1_13) : (last_1_var_1_13)))))) ? ((*(var_1_1_Pointer)) == ((unsigned short int) last_1_var_1_13)) : 1) : 1) : ((*(var_1_1_Pointer)) == ((unsigned short int) last_1_var_1_13))) && (((((((*(var_1_8_Pointer))) < ((*(var_1_9_Pointer)))) ? ((*(var_1_8_Pointer))) : ((*(var_1_9_Pointer))))) <= (*(var_1_10_Pointer))) ? ((last_1_var_1_7 && ((*(var_1_1_Pointer)) >= (*(var_1_1_Pointer)))) ? ((*(var_1_7_Pointer)) == ((unsigned char) 0)) : 1) : ((*(var_1_7_Pointer)) == ((unsigned char) (*(var_1_12_Pointer))))) VAL [isInitial=1, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L89] EXPR (((last_1_var_1_13 + ((((last_1_var_1_13) > (last_1_var_1_13)) ? (last_1_var_1_13) : (last_1_var_1_13)))) < (last_1_var_1_13 * last_1_var_1_13)) ? ((last_1_var_1_13 < (last_1_var_1_13 - last_1_var_1_13)) ? ((last_1_var_1_13 != (((((((last_1_var_1_13) < (last_1_var_1_13)) ? (last_1_var_1_13) : (last_1_var_1_13))) < 0 ) ? -((((last_1_var_1_13) < (last_1_var_1_13)) ? (last_1_var_1_13) : (last_1_var_1_13))) : ((((last_1_var_1_13) < (last_1_var_1_13)) ? (last_1_var_1_13) : (last_1_var_1_13)))))) ? ((*(var_1_1_Pointer)) == ((unsigned short int) last_1_var_1_13)) : 1) : 1) : ((*(var_1_1_Pointer)) == ((unsigned short int) last_1_var_1_13))) && (((((((*(var_1_8_Pointer))) < ((*(var_1_9_Pointer)))) ? ((*(var_1_8_Pointer))) : ((*(var_1_9_Pointer))))) <= (*(var_1_10_Pointer))) ? ((last_1_var_1_7 && ((*(var_1_1_Pointer)) >= (*(var_1_1_Pointer)))) ? ((*(var_1_7_Pointer)) == ((unsigned char) 0)) : 1) : ((*(var_1_7_Pointer)) == ((unsigned char) (*(var_1_12_Pointer))))) [L89] EXPR \read(*var_1_8_Pointer) [L89] EXPR \read(*var_1_9_Pointer) VAL [isInitial=1, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L89] EXPR (((*(var_1_8_Pointer))) < ((*(var_1_9_Pointer)))) ? ((*(var_1_8_Pointer))) : ((*(var_1_9_Pointer))) [L89] EXPR \read(*var_1_8_Pointer) [L89] EXPR (((*(var_1_8_Pointer))) < ((*(var_1_9_Pointer)))) ? ((*(var_1_8_Pointer))) : ((*(var_1_9_Pointer))) VAL [isInitial=1, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L89] EXPR \read(*var_1_10_Pointer) VAL [isInitial=1, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L89] EXPR ((((((*(var_1_8_Pointer))) < ((*(var_1_9_Pointer)))) ? ((*(var_1_8_Pointer))) : ((*(var_1_9_Pointer))))) <= (*(var_1_10_Pointer))) ? ((last_1_var_1_7 && ((*(var_1_1_Pointer)) >= (*(var_1_1_Pointer)))) ? ((*(var_1_7_Pointer)) == ((unsigned char) 0)) : 1) : ((*(var_1_7_Pointer)) == ((unsigned char) (*(var_1_12_Pointer)))) [L89] EXPR \read(*var_1_7_Pointer) [L89] EXPR \read(*var_1_12_Pointer) [L89] EXPR ((((((*(var_1_8_Pointer))) < ((*(var_1_9_Pointer)))) ? ((*(var_1_8_Pointer))) : ((*(var_1_9_Pointer))))) <= (*(var_1_10_Pointer))) ? ((last_1_var_1_7 && ((*(var_1_1_Pointer)) >= (*(var_1_1_Pointer)))) ? ((*(var_1_7_Pointer)) == ((unsigned char) 0)) : 1) : ((*(var_1_7_Pointer)) == ((unsigned char) (*(var_1_12_Pointer)))) VAL [isInitial=1, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L89] EXPR (((last_1_var_1_13 + ((((last_1_var_1_13) > (last_1_var_1_13)) ? (last_1_var_1_13) : (last_1_var_1_13)))) < (last_1_var_1_13 * last_1_var_1_13)) ? ((last_1_var_1_13 < (last_1_var_1_13 - last_1_var_1_13)) ? ((last_1_var_1_13 != (((((((last_1_var_1_13) < (last_1_var_1_13)) ? (last_1_var_1_13) : (last_1_var_1_13))) < 0 ) ? -((((last_1_var_1_13) < (last_1_var_1_13)) ? (last_1_var_1_13) : (last_1_var_1_13))) : ((((last_1_var_1_13) < (last_1_var_1_13)) ? (last_1_var_1_13) : (last_1_var_1_13)))))) ? ((*(var_1_1_Pointer)) == ((unsigned short int) last_1_var_1_13)) : 1) : 1) : ((*(var_1_1_Pointer)) == ((unsigned short int) last_1_var_1_13))) && (((((((*(var_1_8_Pointer))) < ((*(var_1_9_Pointer)))) ? ((*(var_1_8_Pointer))) : ((*(var_1_9_Pointer))))) <= (*(var_1_10_Pointer))) ? ((last_1_var_1_7 && ((*(var_1_1_Pointer)) >= (*(var_1_1_Pointer)))) ? ((*(var_1_7_Pointer)) == ((unsigned char) 0)) : 1) : ((*(var_1_7_Pointer)) == ((unsigned char) (*(var_1_12_Pointer))))) VAL [isInitial=1, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L89] EXPR ((((last_1_var_1_13 + ((((last_1_var_1_13) > (last_1_var_1_13)) ? (last_1_var_1_13) : (last_1_var_1_13)))) < (last_1_var_1_13 * last_1_var_1_13)) ? ((last_1_var_1_13 < (last_1_var_1_13 - last_1_var_1_13)) ? ((last_1_var_1_13 != (((((((last_1_var_1_13) < (last_1_var_1_13)) ? (last_1_var_1_13) : (last_1_var_1_13))) < 0 ) ? -((((last_1_var_1_13) < (last_1_var_1_13)) ? (last_1_var_1_13) : (last_1_var_1_13))) : ((((last_1_var_1_13) < (last_1_var_1_13)) ? (last_1_var_1_13) : (last_1_var_1_13)))))) ? ((*(var_1_1_Pointer)) == ((unsigned short int) last_1_var_1_13)) : 1) : 1) : ((*(var_1_1_Pointer)) == ((unsigned short int) last_1_var_1_13))) && (((((((*(var_1_8_Pointer))) < ((*(var_1_9_Pointer)))) ? ((*(var_1_8_Pointer))) : ((*(var_1_9_Pointer))))) <= (*(var_1_10_Pointer))) ? ((last_1_var_1_7 && ((*(var_1_1_Pointer)) >= (*(var_1_1_Pointer)))) ? ((*(var_1_7_Pointer)) == ((unsigned char) 0)) : 1) : ((*(var_1_7_Pointer)) == ((unsigned char) (*(var_1_12_Pointer)))))) && ((*(var_1_12_Pointer)) ? ((((*(var_1_14_Pointer)) - (*(var_1_15_Pointer))) >= (((*(var_1_8_Pointer)) + (*(var_1_10_Pointer))) + (*(var_1_9_Pointer)))) ? ((*(var_1_13_Pointer)) == ((signed short int) (((((*(var_1_1_Pointer))) > ((*(var_1_1_Pointer)))) ? ((*(var_1_1_Pointer))) : ((*(var_1_1_Pointer))))))) : ((*(var_1_13_Pointer)) == ((signed short int) (*(var_1_1_Pointer))))) : 1) VAL [isInitial=1, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L89] EXPR ((((last_1_var_1_13 + ((((last_1_var_1_13) > (last_1_var_1_13)) ? (last_1_var_1_13) : (last_1_var_1_13)))) < (last_1_var_1_13 * last_1_var_1_13)) ? ((last_1_var_1_13 < (last_1_var_1_13 - last_1_var_1_13)) ? ((last_1_var_1_13 != (((((((last_1_var_1_13) < (last_1_var_1_13)) ? (last_1_var_1_13) : (last_1_var_1_13))) < 0 ) ? -((((last_1_var_1_13) < (last_1_var_1_13)) ? (last_1_var_1_13) : (last_1_var_1_13))) : ((((last_1_var_1_13) < (last_1_var_1_13)) ? (last_1_var_1_13) : (last_1_var_1_13)))))) ? ((*(var_1_1_Pointer)) == ((unsigned short int) last_1_var_1_13)) : 1) : 1) : ((*(var_1_1_Pointer)) == ((unsigned short int) last_1_var_1_13))) && (((((((*(var_1_8_Pointer))) < ((*(var_1_9_Pointer)))) ? ((*(var_1_8_Pointer))) : ((*(var_1_9_Pointer))))) <= (*(var_1_10_Pointer))) ? ((last_1_var_1_7 && ((*(var_1_1_Pointer)) >= (*(var_1_1_Pointer)))) ? ((*(var_1_7_Pointer)) == ((unsigned char) 0)) : 1) : ((*(var_1_7_Pointer)) == ((unsigned char) (*(var_1_12_Pointer)))))) && ((*(var_1_12_Pointer)) ? ((((*(var_1_14_Pointer)) - (*(var_1_15_Pointer))) >= (((*(var_1_8_Pointer)) + (*(var_1_10_Pointer))) + (*(var_1_9_Pointer)))) ? ((*(var_1_13_Pointer)) == ((signed short int) (((((*(var_1_1_Pointer))) > ((*(var_1_1_Pointer)))) ? ((*(var_1_1_Pointer))) : ((*(var_1_1_Pointer))))))) : ((*(var_1_13_Pointer)) == ((signed short int) (*(var_1_1_Pointer))))) : 1) VAL [isInitial=1, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L89-L90] return ((((last_1_var_1_13 + ((((last_1_var_1_13) > (last_1_var_1_13)) ? (last_1_var_1_13) : (last_1_var_1_13)))) < (last_1_var_1_13 * last_1_var_1_13)) ? ((last_1_var_1_13 < (last_1_var_1_13 - last_1_var_1_13)) ? ((last_1_var_1_13 != (((((((last_1_var_1_13) < (last_1_var_1_13)) ? (last_1_var_1_13) : (last_1_var_1_13))) < 0 ) ? -((((last_1_var_1_13) < (last_1_var_1_13)) ? (last_1_var_1_13) : (last_1_var_1_13))) : ((((last_1_var_1_13) < (last_1_var_1_13)) ? (last_1_var_1_13) : (last_1_var_1_13)))))) ? ((*(var_1_1_Pointer)) == ((unsigned short int) last_1_var_1_13)) : 1) : 1) : ((*(var_1_1_Pointer)) == ((unsigned short int) last_1_var_1_13))) && (((((((*(var_1_8_Pointer))) < ((*(var_1_9_Pointer)))) ? ((*(var_1_8_Pointer))) : ((*(var_1_9_Pointer))))) <= (*(var_1_10_Pointer))) ? ((last_1_var_1_7 && ((*(var_1_1_Pointer)) >= (*(var_1_1_Pointer)))) ? ((*(var_1_7_Pointer)) == ((unsigned char) 0)) : 1) : ((*(var_1_7_Pointer)) == ((unsigned char) (*(var_1_12_Pointer)))))) && ((*(var_1_12_Pointer)) ? ((((*(var_1_14_Pointer)) - (*(var_1_15_Pointer))) >= (((*(var_1_8_Pointer)) + (*(var_1_10_Pointer))) + (*(var_1_9_Pointer)))) ? ((*(var_1_13_Pointer)) == ((signed short int) (((((*(var_1_1_Pointer))) > ((*(var_1_1_Pointer)))) ? ((*(var_1_1_Pointer))) : ((*(var_1_1_Pointer))))))) : ((*(var_1_13_Pointer)) == ((signed short int) (*(var_1_1_Pointer))))) : 1) ; [L99] RET, EXPR property() [L99] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L19] reach_error() VAL [isInitial=1, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 96 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 7.1s, OverallIterations: 9, TraceHistogramMax: 7, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1588 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1588 mSDsluCounter, 5522 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4426 mSDsCounter, 122 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 746 IncrementalHoareTripleChecker+Invalid, 868 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 122 mSolverCounterUnsat, 1096 mSDtfsCounter, 746 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 345 GetRequests, 273 SyntacticMatches, 4 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=320occurred in iteration=6, InterpolantAutomatonStates: 53, 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, 295 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.5s InterpolantComputationTime, 1035 NumberOfCodeBlocks, 1035 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 933 ConstructedInterpolants, 0 QuantifiedInterpolants, 2994 SizeOfPredicates, 7 NumberOfNonLiveVariables, 744 ConjunctsInSsa, 17 ConjunctsInUnsatCore, 11 InterpolantComputations, 7 PerfectInterpolantSequences, 837/924 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 15:47:22,021 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, 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_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/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_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-21.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/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_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/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 1cca72686861ad5f32c03321c83cb01c79fc9fe11e27ec52efe74f8c4ef5e302 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 15:47:23,964 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 15:47:24,041 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-12-02 15:47:24,047 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 15:47:24,048 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 15:47:24,069 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 15:47:24,070 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 15:47:24,070 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 15:47:24,070 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 15:47:24,070 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 15:47:24,070 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 15:47:24,070 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 15:47:24,071 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 15:47:24,071 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 15:47:24,071 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 15:47:24,071 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 15:47:24,071 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 15:47:24,071 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 15:47:24,071 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 15:47:24,072 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 15:47:24,072 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 15:47:24,072 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 15:47:24,072 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 15:47:24,072 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-02 15:47:24,072 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-02 15:47:24,072 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-02 15:47:24,072 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 15:47:24,072 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 15:47:24,072 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 15:47:24,072 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 15:47:24,073 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 15:47:24,073 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 15:47:24,073 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 15:47:24,073 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 15:47:24,073 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:47:24,073 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 15:47:24,073 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 15:47:24,073 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 15:47:24,073 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 15:47:24,073 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:47:24,073 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 15:47:24,074 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 15:47:24,074 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 15:47:24,074 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 15:47:24,074 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-12-02 15:47:24,074 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-02 15:47:24,074 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 15:47:24,074 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 15:47:24,074 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 15:47:24,074 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 15:47:24,074 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_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/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 -> 1cca72686861ad5f32c03321c83cb01c79fc9fe11e27ec52efe74f8c4ef5e302 [2024-12-02 15:47:24,313 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 15:47:24,320 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 15:47:24,323 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 15:47:24,324 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 15:47:24,324 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 15:47:24,326 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-21.i [2024-12-02 15:47:27,077 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/bin/uautomizer-verify-84ZbGMXZE1/data/cee3c003b/8baaba348f824348921593be80ea4967/FLAG4b0013e9f [2024-12-02 15:47:27,291 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 15:47:27,292 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-21.i [2024-12-02 15:47:27,300 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/bin/uautomizer-verify-84ZbGMXZE1/data/cee3c003b/8baaba348f824348921593be80ea4967/FLAG4b0013e9f [2024-12-02 15:47:27,650 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/bin/uautomizer-verify-84ZbGMXZE1/data/cee3c003b/8baaba348f824348921593be80ea4967 [2024-12-02 15:47:27,652 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 15:47:27,654 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 15:47:27,655 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 15:47:27,655 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 15:47:27,659 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 15:47:27,659 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:47:27" (1/1) ... [2024-12-02 15:47:27,660 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74ba2115 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:47:27, skipping insertion in model container [2024-12-02 15:47:27,660 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:47:27" (1/1) ... [2024-12-02 15:47:27,677 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 15:47:27,776 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_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-21.i[916,929] [2024-12-02 15:47:27,818 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 15:47:27,831 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 15:47:27,838 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_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-21.i[916,929] [2024-12-02 15:47:27,856 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 15:47:27,875 INFO L204 MainTranslator]: Completed translation [2024-12-02 15:47:27,875 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:47:27 WrapperNode [2024-12-02 15:47:27,875 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 15:47:27,876 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 15:47:27,876 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 15:47:27,877 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 15:47:27,883 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:47:27" (1/1) ... [2024-12-02 15:47:27,894 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:47:27" (1/1) ... [2024-12-02 15:47:27,918 INFO L138 Inliner]: procedures = 36, calls = 118, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 419 [2024-12-02 15:47:27,918 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 15:47:27,919 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 15:47:27,919 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 15:47:27,919 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 15:47:27,928 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:47:27" (1/1) ... [2024-12-02 15:47:27,928 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:47:27" (1/1) ... [2024-12-02 15:47:27,934 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:47:27" (1/1) ... [2024-12-02 15:47:27,956 INFO L175 MemorySlicer]: Split 91 memory accesses to 10 slices as follows [2, 19, 6, 12, 12, 10, 8, 6, 8, 8]. 21 percent of accesses are in the largest equivalence class. The 11 initializations are split as follows [2, 1, 1, 1, 1, 1, 1, 1, 1, 1]. The 12 writes are split as follows [0, 2, 2, 1, 1, 1, 1, 2, 1, 1]. [2024-12-02 15:47:27,957 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:47:27" (1/1) ... [2024-12-02 15:47:27,957 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:47:27" (1/1) ... [2024-12-02 15:47:27,977 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:47:27" (1/1) ... [2024-12-02 15:47:27,978 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:47:27" (1/1) ... [2024-12-02 15:47:27,982 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:47:27" (1/1) ... [2024-12-02 15:47:27,988 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:47:27" (1/1) ... [2024-12-02 15:47:27,991 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:47:27" (1/1) ... [2024-12-02 15:47:27,997 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 15:47:27,998 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 15:47:27,998 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 15:47:27,998 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 15:47:27,999 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:47:27" (1/1) ... [2024-12-02 15:47:28,005 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:47:28,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:47:28,028 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 15:47:28,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 15:47:28,054 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 15:47:28,054 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2024-12-02 15:47:28,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2024-12-02 15:47:28,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#2 [2024-12-02 15:47:28,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#3 [2024-12-02 15:47:28,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#4 [2024-12-02 15:47:28,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#5 [2024-12-02 15:47:28,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#6 [2024-12-02 15:47:28,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#7 [2024-12-02 15:47:28,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#8 [2024-12-02 15:47:28,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#9 [2024-12-02 15:47:28,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2024-12-02 15:47:28,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2024-12-02 15:47:28,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#2 [2024-12-02 15:47:28,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#3 [2024-12-02 15:47:28,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#4 [2024-12-02 15:47:28,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#5 [2024-12-02 15:47:28,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#6 [2024-12-02 15:47:28,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#7 [2024-12-02 15:47:28,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#8 [2024-12-02 15:47:28,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#9 [2024-12-02 15:47:28,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-12-02 15:47:28,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-12-02 15:47:28,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-12-02 15:47:28,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-12-02 15:47:28,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-12-02 15:47:28,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2024-12-02 15:47:28,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#6 [2024-12-02 15:47:28,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#7 [2024-12-02 15:47:28,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#8 [2024-12-02 15:47:28,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#9 [2024-12-02 15:47:28,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#0 [2024-12-02 15:47:28,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#1 [2024-12-02 15:47:28,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#2 [2024-12-02 15:47:28,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#3 [2024-12-02 15:47:28,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#4 [2024-12-02 15:47:28,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#5 [2024-12-02 15:47:28,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#6 [2024-12-02 15:47:28,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#7 [2024-12-02 15:47:28,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#8 [2024-12-02 15:47:28,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#9 [2024-12-02 15:47:28,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-12-02 15:47:28,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-12-02 15:47:28,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-12-02 15:47:28,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-12-02 15:47:28,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-12-02 15:47:28,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-12-02 15:47:28,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-12-02 15:47:28,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-12-02 15:47:28,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2024-12-02 15:47:28,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2024-12-02 15:47:28,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2024-12-02 15:47:28,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2024-12-02 15:47:28,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2024-12-02 15:47:28,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2024-12-02 15:47:28,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2024-12-02 15:47:28,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5 [2024-12-02 15:47:28,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#6 [2024-12-02 15:47:28,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#7 [2024-12-02 15:47:28,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#8 [2024-12-02 15:47:28,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#9 [2024-12-02 15:47:28,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#0 [2024-12-02 15:47:28,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#1 [2024-12-02 15:47:28,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#2 [2024-12-02 15:47:28,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#3 [2024-12-02 15:47:28,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#4 [2024-12-02 15:47:28,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#5 [2024-12-02 15:47:28,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#6 [2024-12-02 15:47:28,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#7 [2024-12-02 15:47:28,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#8 [2024-12-02 15:47:28,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#9 [2024-12-02 15:47:28,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#0 [2024-12-02 15:47:28,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#1 [2024-12-02 15:47:28,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#2 [2024-12-02 15:47:28,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#3 [2024-12-02 15:47:28,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#4 [2024-12-02 15:47:28,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#5 [2024-12-02 15:47:28,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#6 [2024-12-02 15:47:28,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#7 [2024-12-02 15:47:28,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#8 [2024-12-02 15:47:28,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#9 [2024-12-02 15:47:28,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2024-12-02 15:47:28,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2024-12-02 15:47:28,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2024-12-02 15:47:28,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2024-12-02 15:47:28,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4 [2024-12-02 15:47:28,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5 [2024-12-02 15:47:28,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#6 [2024-12-02 15:47:28,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#7 [2024-12-02 15:47:28,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#8 [2024-12-02 15:47:28,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#9 [2024-12-02 15:47:28,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0 [2024-12-02 15:47:28,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1 [2024-12-02 15:47:28,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#2 [2024-12-02 15:47:28,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#3 [2024-12-02 15:47:28,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#4 [2024-12-02 15:47:28,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#5 [2024-12-02 15:47:28,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#6 [2024-12-02 15:47:28,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#7 [2024-12-02 15:47:28,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#8 [2024-12-02 15:47:28,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#9 [2024-12-02 15:47:28,061 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 15:47:28,061 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 15:47:28,061 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 15:47:28,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 15:47:28,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-12-02 15:47:28,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-12-02 15:47:28,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-12-02 15:47:28,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-12-02 15:47:28,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-12-02 15:47:28,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2024-12-02 15:47:28,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#6 [2024-12-02 15:47:28,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#7 [2024-12-02 15:47:28,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#8 [2024-12-02 15:47:28,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#9 [2024-12-02 15:47:28,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#0 [2024-12-02 15:47:28,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#1 [2024-12-02 15:47:28,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#2 [2024-12-02 15:47:28,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#3 [2024-12-02 15:47:28,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#4 [2024-12-02 15:47:28,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#5 [2024-12-02 15:47:28,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#6 [2024-12-02 15:47:28,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#7 [2024-12-02 15:47:28,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#8 [2024-12-02 15:47:28,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#9 [2024-12-02 15:47:28,249 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 15:47:28,251 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 15:47:40,791 INFO L? ?]: Removed 108 outVars from TransFormulas that were not future-live. [2024-12-02 15:47:40,791 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 15:47:40,802 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 15:47:40,802 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 15:47:40,803 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:47:40 BoogieIcfgContainer [2024-12-02 15:47:40,803 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 15:47:40,805 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 15:47:40,805 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 15:47:40,809 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 15:47:40,810 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:47:27" (1/3) ... [2024-12-02 15:47:40,810 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11741925 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:47:40, skipping insertion in model container [2024-12-02 15:47:40,810 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:47:27" (2/3) ... [2024-12-02 15:47:40,810 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11741925 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:47:40, skipping insertion in model container [2024-12-02 15:47:40,811 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:47:40" (3/3) ... [2024-12-02 15:47:40,812 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-p_file-21.i [2024-12-02 15:47:40,832 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 15:47:40,833 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-p_file-21.i that has 2 procedures, 96 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 15:47:40,884 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 15:47:40,893 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;@7bcff6f2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 15:47:40,893 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 15:47:40,897 INFO L276 IsEmpty]: Start isEmpty. Operand has 96 states, 86 states have (on average 1.4883720930232558) internal successors, (128), 87 states have internal predecessors, (128), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-12-02 15:47:40,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-12-02 15:47:40,905 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:47:40,906 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:47:40,906 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:47:40,910 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:47:40,910 INFO L85 PathProgramCache]: Analyzing trace with hash 306818116, now seen corresponding path program 1 times [2024-12-02 15:47:40,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:47:40,918 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [164393922] [2024-12-02 15:47:40,918 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:47:40,918 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 15:47:40,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:47:40,920 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/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 15:47:40,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/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 15:47:41,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:47:41,305 INFO L256 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 15:47:41,311 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:47:41,339 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-12-02 15:47:41,339 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:47:41,340 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:47:41,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [164393922] [2024-12-02 15:47:41,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [164393922] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:47:41,341 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:47:41,341 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 15:47:41,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1074227063] [2024-12-02 15:47:41,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:47:41,347 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 15:47:41,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:47:41,362 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 15:47:41,363 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 15:47:41,364 INFO L87 Difference]: Start difference. First operand has 96 states, 86 states have (on average 1.4883720930232558) internal successors, (128), 87 states have internal predecessors, (128), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-12-02 15:47:41,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:47:41,384 INFO L93 Difference]: Finished difference Result 185 states and 285 transitions. [2024-12-02 15:47:41,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 15:47:41,385 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 80 [2024-12-02 15:47:41,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:47:41,391 INFO L225 Difference]: With dead ends: 185 [2024-12-02 15:47:41,391 INFO L226 Difference]: Without dead ends: 92 [2024-12-02 15:47:41,394 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 15:47:41,396 INFO L435 NwaCegarLoop]: 135 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, 135 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 15:47:41,397 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:47:41,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2024-12-02 15:47:41,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2024-12-02 15:47:41,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 83 states have (on average 1.4578313253012047) internal successors, (121), 83 states have internal predecessors, (121), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-12-02 15:47:41,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 135 transitions. [2024-12-02 15:47:41,431 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 135 transitions. Word has length 80 [2024-12-02 15:47:41,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:47:41,431 INFO L471 AbstractCegarLoop]: Abstraction has 92 states and 135 transitions. [2024-12-02 15:47:41,432 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-12-02 15:47:41,432 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 135 transitions. [2024-12-02 15:47:41,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-12-02 15:47:41,434 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:47:41,435 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:47:41,442 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/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 15:47:41,635 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/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 15:47:41,635 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:47:41,636 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:47:41,636 INFO L85 PathProgramCache]: Analyzing trace with hash -1397824002, now seen corresponding path program 1 times [2024-12-02 15:47:41,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:47:41,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [616387184] [2024-12-02 15:47:41,637 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:47:41,637 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 15:47:41,637 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:47:41,638 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/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 15:47:41,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/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 15:47:41,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:47:42,008 INFO L256 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 15:47:42,012 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:47:42,081 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 17 treesize of output 9 [2024-12-02 15:47:42,463 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-12-02 15:47:42,463 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:47:42,463 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:47:42,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [616387184] [2024-12-02 15:47:42,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [616387184] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:47:42,463 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:47:42,463 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 15:47:42,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1919071725] [2024-12-02 15:47:42,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:47:42,465 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 15:47:42,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:47:42,466 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 15:47:42,466 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 15:47:42,466 INFO L87 Difference]: Start difference. First operand 92 states and 135 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-12-02 15:47:45,104 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:47:48,166 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.99s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:47:52,228 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:47:55,344 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:47:58,328 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.98s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:47:58,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:47:58,576 INFO L93 Difference]: Finished difference Result 301 states and 443 transitions. [2024-12-02 15:47:58,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 15:47:58,577 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 80 [2024-12-02 15:47:58,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:47:58,579 INFO L225 Difference]: With dead ends: 301 [2024-12-02 15:47:58,579 INFO L226 Difference]: Without dead ends: 212 [2024-12-02 15:47:58,579 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:47:58,580 INFO L435 NwaCegarLoop]: 127 mSDtfsCounter, 224 mSDsluCounter, 244 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 19 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 224 SdHoareTripleChecker+Valid, 371 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:47:58,580 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [224 Valid, 371 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 28 Invalid, 1 Unknown, 0 Unchecked, 16.0s Time] [2024-12-02 15:47:58,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2024-12-02 15:47:58,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 185. [2024-12-02 15:47:58,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185 states, 168 states have (on average 1.4404761904761905) internal successors, (242), 168 states have internal predecessors, (242), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-12-02 15:47:58,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 270 transitions. [2024-12-02 15:47:58,599 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 270 transitions. Word has length 80 [2024-12-02 15:47:58,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:47:58,599 INFO L471 AbstractCegarLoop]: Abstraction has 185 states and 270 transitions. [2024-12-02 15:47:58,600 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-12-02 15:47:58,600 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 270 transitions. [2024-12-02 15:47:58,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-12-02 15:47:58,601 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:47:58,601 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:47:58,608 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/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 15:47:58,802 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/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 15:47:58,802 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:47:58,802 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:47:58,803 INFO L85 PathProgramCache]: Analyzing trace with hash 986714953, now seen corresponding path program 1 times [2024-12-02 15:47:58,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:47:58,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1445437160] [2024-12-02 15:47:58,803 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:47:58,803 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 15:47:58,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:47:58,805 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/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 15:47:58,806 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/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 15:47:59,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:47:59,138 INFO L256 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-02 15:47:59,142 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:48:00,452 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 15:48:00,538 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 11 proven. 54 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-12-02 15:48:00,539 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 15:48:01,494 INFO L349 Elim1Store]: treesize reduction 4, result has 63.6 percent of original size [2024-12-02 15:48:01,495 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 30 treesize of output 25 [2024-12-02 15:48:01,747 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 21 proven. 12 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2024-12-02 15:48:01,747 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:48:01,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1445437160] [2024-12-02 15:48:01,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1445437160] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 15:48:01,748 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 15:48:01,748 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 21 [2024-12-02 15:48:01,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101717471] [2024-12-02 15:48:01,748 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 15:48:01,749 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-12-02 15:48:01,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:48:01,750 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-12-02 15:48:01,750 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=314, Unknown=0, NotChecked=0, Total=420 [2024-12-02 15:48:01,750 INFO L87 Difference]: Start difference. First operand 185 states and 270 transitions. Second operand has 21 states, 17 states have (on average 5.0) internal successors, (85), 19 states have internal predecessors, (85), 7 states have call successors, (14), 4 states have call predecessors, (14), 7 states have return successors, (14), 5 states have call predecessors, (14), 7 states have call successors, (14) [2024-12-02 15:48:02,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:48:02,831 INFO L93 Difference]: Finished difference Result 352 states and 504 transitions. [2024-12-02 15:48:02,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-02 15:48:02,832 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 17 states have (on average 5.0) internal successors, (85), 19 states have internal predecessors, (85), 7 states have call successors, (14), 4 states have call predecessors, (14), 7 states have return successors, (14), 5 states have call predecessors, (14), 7 states have call successors, (14) Word has length 83 [2024-12-02 15:48:02,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:48:02,833 INFO L225 Difference]: With dead ends: 352 [2024-12-02 15:48:02,833 INFO L226 Difference]: Without dead ends: 170 [2024-12-02 15:48:02,837 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 145 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 161 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=239, Invalid=631, Unknown=0, NotChecked=0, Total=870 [2024-12-02 15:48:02,838 INFO L435 NwaCegarLoop]: 119 mSDtfsCounter, 529 mSDsluCounter, 779 mSDsCounter, 0 mSdLazyCounter, 179 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 530 SdHoareTripleChecker+Valid, 898 SdHoareTripleChecker+Invalid, 221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-02 15:48:02,838 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [530 Valid, 898 Invalid, 221 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 179 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-02 15:48:02,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2024-12-02 15:48:02,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 170. [2024-12-02 15:48:02,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 149 states have (on average 1.389261744966443) internal successors, (207), 149 states have internal predecessors, (207), 14 states have call successors, (14), 6 states have call predecessors, (14), 6 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-12-02 15:48:02,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 235 transitions. [2024-12-02 15:48:02,848 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 235 transitions. Word has length 83 [2024-12-02 15:48:02,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:48:02,848 INFO L471 AbstractCegarLoop]: Abstraction has 170 states and 235 transitions. [2024-12-02 15:48:02,848 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 17 states have (on average 5.0) internal successors, (85), 19 states have internal predecessors, (85), 7 states have call successors, (14), 4 states have call predecessors, (14), 7 states have return successors, (14), 5 states have call predecessors, (14), 7 states have call successors, (14) [2024-12-02 15:48:02,848 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 235 transitions. [2024-12-02 15:48:02,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-12-02 15:48:02,850 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:48:02,850 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:48:02,859 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/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 15:48:03,050 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/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 15:48:03,050 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:48:03,051 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:48:03,051 INFO L85 PathProgramCache]: Analyzing trace with hash 1083304129, now seen corresponding path program 1 times [2024-12-02 15:48:03,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:48:03,051 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [265053796] [2024-12-02 15:48:03,052 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:48:03,052 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 15:48:03,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:48:03,053 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/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 15:48:03,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/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 15:48:03,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:48:03,498 INFO L256 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 15:48:03,501 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:48:03,559 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-12-02 15:48:03,559 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:48:03,560 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:48:03,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [265053796] [2024-12-02 15:48:03,560 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [265053796] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:48:03,560 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:48:03,560 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:48:03,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134348143] [2024-12-02 15:48:03,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:48:03,561 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:48:03,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:48:03,561 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:48:03,561 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:48:03,561 INFO L87 Difference]: Start difference. First operand 170 states and 235 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-12-02 15:48:03,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:48:03,670 INFO L93 Difference]: Finished difference Result 270 states and 376 transitions. [2024-12-02 15:48:03,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:48:03,671 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 84 [2024-12-02 15:48:03,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:48:03,672 INFO L225 Difference]: With dead ends: 270 [2024-12-02 15:48:03,672 INFO L226 Difference]: Without dead ends: 173 [2024-12-02 15:48:03,673 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 80 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 15:48:03,673 INFO L435 NwaCegarLoop]: 131 mSDtfsCounter, 0 mSDsluCounter, 378 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 509 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 15:48:03,674 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 509 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 15:48:03,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2024-12-02 15:48:03,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 173. [2024-12-02 15:48:03,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 152 states have (on average 1.381578947368421) internal successors, (210), 152 states have internal predecessors, (210), 14 states have call successors, (14), 6 states have call predecessors, (14), 6 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-12-02 15:48:03,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 238 transitions. [2024-12-02 15:48:03,698 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 238 transitions. Word has length 84 [2024-12-02 15:48:03,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:48:03,698 INFO L471 AbstractCegarLoop]: Abstraction has 173 states and 238 transitions. [2024-12-02 15:48:03,699 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-12-02 15:48:03,699 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 238 transitions. [2024-12-02 15:48:03,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-12-02 15:48:03,700 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:48:03,700 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:48:03,713 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/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 15:48:03,901 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/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 15:48:03,901 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:48:03,902 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:48:03,902 INFO L85 PathProgramCache]: Analyzing trace with hash -907307414, now seen corresponding path program 1 times [2024-12-02 15:48:03,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:48:03,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2100298532] [2024-12-02 15:48:03,902 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:48:03,903 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 15:48:03,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:48:03,904 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/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 15:48:03,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/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 15:48:04,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:48:04,367 INFO L256 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-02 15:48:04,370 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:48:05,438 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 17 treesize of output 13 [2024-12-02 15:48:05,660 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 54 treesize of output 42 [2024-12-02 15:48:05,666 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 63 treesize of output 39 [2024-12-02 15:48:05,805 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 11 proven. 54 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-12-02 15:48:05,806 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 15:48:06,083 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-12-02 15:48:06,084 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:48:06,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2100298532] [2024-12-02 15:48:06,084 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2100298532] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 15:48:06,084 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 15:48:06,084 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [15] total 18 [2024-12-02 15:48:06,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007193457] [2024-12-02 15:48:06,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:48:06,085 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 15:48:06,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:48:06,085 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 15:48:06,085 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=260, Unknown=0, NotChecked=0, Total=306 [2024-12-02 15:48:06,086 INFO L87 Difference]: Start difference. First operand 173 states and 238 transitions. Second operand has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-12-02 15:48:06,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:48:06,365 INFO L93 Difference]: Finished difference Result 338 states and 467 transitions. [2024-12-02 15:48:06,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 15:48:06,366 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 88 [2024-12-02 15:48:06,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:48:06,368 INFO L225 Difference]: With dead ends: 338 [2024-12-02 15:48:06,368 INFO L226 Difference]: Without dead ends: 238 [2024-12-02 15:48:06,368 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=58, Invalid=362, Unknown=0, NotChecked=0, Total=420 [2024-12-02 15:48:06,369 INFO L435 NwaCegarLoop]: 166 mSDtfsCounter, 73 mSDsluCounter, 606 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 772 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 15:48:06,369 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 772 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 15:48:06,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2024-12-02 15:48:06,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 235. [2024-12-02 15:48:06,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 235 states, 210 states have (on average 1.380952380952381) internal successors, (290), 211 states have internal predecessors, (290), 17 states have call successors, (17), 7 states have call predecessors, (17), 7 states have return successors, (17), 16 states have call predecessors, (17), 17 states have call successors, (17) [2024-12-02 15:48:06,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 324 transitions. [2024-12-02 15:48:06,388 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 324 transitions. Word has length 88 [2024-12-02 15:48:06,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:48:06,389 INFO L471 AbstractCegarLoop]: Abstraction has 235 states and 324 transitions. [2024-12-02 15:48:06,389 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-12-02 15:48:06,389 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 324 transitions. [2024-12-02 15:48:06,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-12-02 15:48:06,390 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:48:06,390 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:48:06,400 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/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 15:48:06,591 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/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 15:48:06,591 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:48:06,591 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:48:06,591 INFO L85 PathProgramCache]: Analyzing trace with hash 840727605, now seen corresponding path program 1 times [2024-12-02 15:48:06,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:48:06,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1331238645] [2024-12-02 15:48:06,592 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:48:06,592 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 15:48:06,592 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:48:06,593 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/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 15:48:06,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/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 15:48:07,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:48:07,030 INFO L256 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-02 15:48:07,032 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:48:08,175 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 15:48:08,238 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 11 proven. 54 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-12-02 15:48:08,238 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 15:48:09,103 INFO L349 Elim1Store]: treesize reduction 4, result has 63.6 percent of original size [2024-12-02 15:48:09,103 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 30 treesize of output 25 [2024-12-02 15:48:09,310 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 21 proven. 12 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2024-12-02 15:48:09,310 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:48:09,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1331238645] [2024-12-02 15:48:09,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1331238645] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 15:48:09,310 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 15:48:09,310 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 21 [2024-12-02 15:48:09,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547878734] [2024-12-02 15:48:09,310 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 15:48:09,311 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-12-02 15:48:09,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:48:09,312 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-12-02 15:48:09,312 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=314, Unknown=0, NotChecked=0, Total=420 [2024-12-02 15:48:09,313 INFO L87 Difference]: Start difference. First operand 235 states and 324 transitions. Second operand has 21 states, 17 states have (on average 6.470588235294118) internal successors, (110), 19 states have internal predecessors, (110), 7 states have call successors, (14), 4 states have call predecessors, (14), 7 states have return successors, (14), 5 states have call predecessors, (14), 7 states have call successors, (14) [2024-12-02 15:48:10,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:48:10,385 INFO L93 Difference]: Finished difference Result 394 states and 547 transitions. [2024-12-02 15:48:10,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-02 15:48:10,386 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 17 states have (on average 6.470588235294118) internal successors, (110), 19 states have internal predecessors, (110), 7 states have call successors, (14), 4 states have call predecessors, (14), 7 states have return successors, (14), 5 states have call predecessors, (14), 7 states have call successors, (14) Word has length 90 [2024-12-02 15:48:10,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:48:10,389 INFO L225 Difference]: With dead ends: 394 [2024-12-02 15:48:10,389 INFO L226 Difference]: Without dead ends: 235 [2024-12-02 15:48:10,390 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 159 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 161 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=239, Invalid=631, Unknown=0, NotChecked=0, Total=870 [2024-12-02 15:48:10,391 INFO L435 NwaCegarLoop]: 118 mSDtfsCounter, 203 mSDsluCounter, 892 mSDsCounter, 0 mSdLazyCounter, 201 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 1010 SdHoareTripleChecker+Invalid, 222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 201 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-12-02 15:48:10,391 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [204 Valid, 1010 Invalid, 222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 201 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-12-02 15:48:10,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2024-12-02 15:48:10,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 235. [2024-12-02 15:48:10,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 235 states, 210 states have (on average 1.3714285714285714) internal successors, (288), 211 states have internal predecessors, (288), 17 states have call successors, (17), 7 states have call predecessors, (17), 7 states have return successors, (17), 16 states have call predecessors, (17), 17 states have call successors, (17) [2024-12-02 15:48:10,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 322 transitions. [2024-12-02 15:48:10,406 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 322 transitions. Word has length 90 [2024-12-02 15:48:10,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:48:10,406 INFO L471 AbstractCegarLoop]: Abstraction has 235 states and 322 transitions. [2024-12-02 15:48:10,407 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 17 states have (on average 6.470588235294118) internal successors, (110), 19 states have internal predecessors, (110), 7 states have call successors, (14), 4 states have call predecessors, (14), 7 states have return successors, (14), 5 states have call predecessors, (14), 7 states have call successors, (14) [2024-12-02 15:48:10,407 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 322 transitions. [2024-12-02 15:48:10,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-12-02 15:48:10,408 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:48:10,408 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:48:10,418 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/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 15:48:10,608 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/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 15:48:10,608 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:48:10,609 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:48:10,609 INFO L85 PathProgramCache]: Analyzing trace with hash -1938045312, now seen corresponding path program 1 times [2024-12-02 15:48:10,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:48:10,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [129411427] [2024-12-02 15:48:10,609 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:48:10,609 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 15:48:10,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:48:10,611 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/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 15:48:10,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/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 15:48:11,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:48:11,045 INFO L256 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 15:48:11,048 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:48:11,078 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 17 treesize of output 9 [2024-12-02 15:48:11,379 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-12-02 15:48:11,379 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:48:11,379 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:48:11,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [129411427] [2024-12-02 15:48:11,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [129411427] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:48:11,379 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:48:11,379 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 15:48:11,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [17813296] [2024-12-02 15:48:11,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:48:11,380 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:48:11,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:48:11,380 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:48:11,380 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:48:11,381 INFO L87 Difference]: Start difference. First operand 235 states and 322 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 4 states have internal predecessors, (58), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-12-02 15:48:11,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:48:11,599 INFO L93 Difference]: Finished difference Result 535 states and 736 transitions. [2024-12-02 15:48:11,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 15:48:11,600 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 4 states have internal predecessors, (58), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 90 [2024-12-02 15:48:11,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:48:11,602 INFO L225 Difference]: With dead ends: 535 [2024-12-02 15:48:11,602 INFO L226 Difference]: Without dead ends: 372 [2024-12-02 15:48:11,603 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:48:11,603 INFO L435 NwaCegarLoop]: 167 mSDtfsCounter, 200 mSDsluCounter, 417 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 200 SdHoareTripleChecker+Valid, 584 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 15:48:11,604 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [200 Valid, 584 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 15:48:11,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2024-12-02 15:48:11,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 334. [2024-12-02 15:48:11,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 334 states, 299 states have (on average 1.3678929765886287) internal successors, (409), 300 states have internal predecessors, (409), 24 states have call successors, (24), 10 states have call predecessors, (24), 10 states have return successors, (24), 23 states have call predecessors, (24), 24 states have call successors, (24) [2024-12-02 15:48:11,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 334 states and 457 transitions. [2024-12-02 15:48:11,629 INFO L78 Accepts]: Start accepts. Automaton has 334 states and 457 transitions. Word has length 90 [2024-12-02 15:48:11,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:48:11,629 INFO L471 AbstractCegarLoop]: Abstraction has 334 states and 457 transitions. [2024-12-02 15:48:11,630 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 4 states have internal predecessors, (58), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-12-02 15:48:11,630 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 457 transitions. [2024-12-02 15:48:11,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-12-02 15:48:11,631 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:48:11,631 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:48:11,644 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/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 15:48:11,831 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/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 15:48:11,831 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:48:11,831 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:48:11,832 INFO L85 PathProgramCache]: Analyzing trace with hash 768574082, now seen corresponding path program 1 times [2024-12-02 15:48:11,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:48:11,832 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2054826976] [2024-12-02 15:48:11,832 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:48:11,832 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 15:48:11,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:48:11,834 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/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 15:48:11,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/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 15:48:12,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:48:12,320 INFO L256 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-12-02 15:48:12,323 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:48:16,904 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 15:48:16,904 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 228 treesize of output 108 [2024-12-02 15:48:17,256 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 15:48:17,256 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 153 treesize of output 63 [2024-12-02 15:48:17,619 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-12-02 15:48:17,619 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 15:48:19,580 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-12-02 15:48:19,580 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:48:19,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2054826976] [2024-12-02 15:48:19,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2054826976] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 15:48:19,580 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 15:48:19,580 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [15] total 21 [2024-12-02 15:48:19,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313614944] [2024-12-02 15:48:19,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:48:19,581 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 15:48:19,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:48:19,581 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 15:48:19,581 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=365, Unknown=0, NotChecked=0, Total=420 [2024-12-02 15:48:19,581 INFO L87 Difference]: Start difference. First operand 334 states and 457 transitions. Second operand has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-12-02 15:48:21,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:48:21,256 INFO L93 Difference]: Finished difference Result 678 states and 931 transitions. [2024-12-02 15:48:21,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 15:48:21,258 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 90 [2024-12-02 15:48:21,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:48:21,260 INFO L225 Difference]: With dead ends: 678 [2024-12-02 15:48:21,260 INFO L226 Difference]: Without dead ends: 420 [2024-12-02 15:48:21,261 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=78, Invalid=474, Unknown=0, NotChecked=0, Total=552 [2024-12-02 15:48:21,261 INFO L435 NwaCegarLoop]: 157 mSDtfsCounter, 84 mSDsluCounter, 503 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 660 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:48:21,261 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 660 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-12-02 15:48:21,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 420 states. [2024-12-02 15:48:21,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 420 to 378. [2024-12-02 15:48:21,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 378 states, 343 states have (on average 1.3644314868804666) internal successors, (468), 344 states have internal predecessors, (468), 24 states have call successors, (24), 10 states have call predecessors, (24), 10 states have return successors, (24), 23 states have call predecessors, (24), 24 states have call successors, (24) [2024-12-02 15:48:21,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 378 states and 516 transitions. [2024-12-02 15:48:21,284 INFO L78 Accepts]: Start accepts. Automaton has 378 states and 516 transitions. Word has length 90 [2024-12-02 15:48:21,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:48:21,284 INFO L471 AbstractCegarLoop]: Abstraction has 378 states and 516 transitions. [2024-12-02 15:48:21,284 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-12-02 15:48:21,284 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 516 transitions. [2024-12-02 15:48:21,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-12-02 15:48:21,285 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:48:21,285 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:48:21,299 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/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 15:48:21,486 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/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 15:48:21,486 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:48:21,486 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:48:21,486 INFO L85 PathProgramCache]: Analyzing trace with hash 375547072, now seen corresponding path program 1 times [2024-12-02 15:48:21,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:48:21,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1108338267] [2024-12-02 15:48:21,487 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:48:21,487 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 15:48:21,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:48:21,488 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/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 15:48:21,489 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/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 15:48:21,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:48:21,994 INFO L256 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-02 15:48:21,997 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:48:24,493 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 15:48:24,493 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 127 treesize of output 67 [2024-12-02 15:48:24,504 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 15:48:24,504 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 179 treesize of output 83 [2024-12-02 15:48:24,684 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-12-02 15:48:24,685 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 15:48:25,460 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-12-02 15:48:25,460 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:48:25,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1108338267] [2024-12-02 15:48:25,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1108338267] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 15:48:25,461 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 15:48:25,461 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 13 [2024-12-02 15:48:25,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929360585] [2024-12-02 15:48:25,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:48:25,461 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:48:25,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:48:25,462 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:48:25,462 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2024-12-02 15:48:25,462 INFO L87 Difference]: Start difference. First operand 378 states and 516 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-12-02 15:48:26,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:48:26,222 INFO L93 Difference]: Finished difference Result 749 states and 1024 transitions. [2024-12-02 15:48:26,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:48:26,225 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 90 [2024-12-02 15:48:26,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:48:26,227 INFO L225 Difference]: With dead ends: 749 [2024-12-02 15:48:26,227 INFO L226 Difference]: Without dead ends: 454 [2024-12-02 15:48:26,228 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2024-12-02 15:48:26,228 INFO L435 NwaCegarLoop]: 136 mSDtfsCounter, 76 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 378 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-12-02 15:48:26,229 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 378 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-12-02 15:48:26,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 454 states. [2024-12-02 15:48:26,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 454 to 393. [2024-12-02 15:48:26,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 393 states, 358 states have (on average 1.3547486033519553) internal successors, (485), 359 states have internal predecessors, (485), 24 states have call successors, (24), 10 states have call predecessors, (24), 10 states have return successors, (24), 23 states have call predecessors, (24), 24 states have call successors, (24) [2024-12-02 15:48:26,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 533 transitions. [2024-12-02 15:48:26,255 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 533 transitions. Word has length 90 [2024-12-02 15:48:26,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:48:26,256 INFO L471 AbstractCegarLoop]: Abstraction has 393 states and 533 transitions. [2024-12-02 15:48:26,256 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-12-02 15:48:26,256 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 533 transitions. [2024-12-02 15:48:26,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-12-02 15:48:26,257 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:48:26,257 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:48:26,270 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/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 15:48:26,457 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/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 15:48:26,458 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:48:26,458 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:48:26,458 INFO L85 PathProgramCache]: Analyzing trace with hash 1191275908, now seen corresponding path program 1 times [2024-12-02 15:48:26,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:48:26,459 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1319049785] [2024-12-02 15:48:26,459 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:48:26,459 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 15:48:26,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:48:26,460 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/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 15:48:26,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/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 15:48:26,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:48:26,942 INFO L256 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-12-02 15:48:26,945 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:48:31,121 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 15:48:31,122 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 228 treesize of output 108 [2024-12-02 15:48:31,133 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 15:48:31,133 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 136 treesize of output 64 [2024-12-02 15:48:31,396 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-12-02 15:48:31,396 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 15:48:32,469 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-12-02 15:48:32,469 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:48:32,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1319049785] [2024-12-02 15:48:32,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1319049785] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 15:48:32,470 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 15:48:32,470 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 16 [2024-12-02 15:48:32,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260816528] [2024-12-02 15:48:32,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:48:32,470 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:48:32,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:48:32,471 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:48:32,471 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2024-12-02 15:48:32,471 INFO L87 Difference]: Start difference. First operand 393 states and 533 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-12-02 15:48:33,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:48:33,164 INFO L93 Difference]: Finished difference Result 761 states and 1035 transitions. [2024-12-02 15:48:33,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:48:33,165 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 90 [2024-12-02 15:48:33,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:48:33,167 INFO L225 Difference]: With dead ends: 761 [2024-12-02 15:48:33,167 INFO L226 Difference]: Without dead ends: 454 [2024-12-02 15:48:33,167 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=42, Invalid=230, Unknown=0, NotChecked=0, Total=272 [2024-12-02 15:48:33,168 INFO L435 NwaCegarLoop]: 165 mSDtfsCounter, 80 mSDsluCounter, 269 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 434 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-02 15:48:33,168 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 434 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-02 15:48:33,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 454 states. [2024-12-02 15:48:33,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 454 to 393. [2024-12-02 15:48:33,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 393 states, 358 states have (on average 1.3463687150837989) internal successors, (482), 359 states have internal predecessors, (482), 24 states have call successors, (24), 10 states have call predecessors, (24), 10 states have return successors, (24), 23 states have call predecessors, (24), 24 states have call successors, (24) [2024-12-02 15:48:33,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 530 transitions. [2024-12-02 15:48:33,186 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 530 transitions. Word has length 90 [2024-12-02 15:48:33,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:48:33,186 INFO L471 AbstractCegarLoop]: Abstraction has 393 states and 530 transitions. [2024-12-02 15:48:33,186 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-12-02 15:48:33,186 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 530 transitions. [2024-12-02 15:48:33,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-12-02 15:48:33,187 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:48:33,187 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:48:33,199 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/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 15:48:33,387 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/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 15:48:33,388 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:48:33,388 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:48:33,388 INFO L85 PathProgramCache]: Analyzing trace with hash 798248898, now seen corresponding path program 1 times [2024-12-02 15:48:33,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:48:33,388 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [163563830] [2024-12-02 15:48:33,388 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:48:33,388 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 15:48:33,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:48:33,390 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/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 15:48:33,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/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 15:48:33,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:48:33,888 INFO L256 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-12-02 15:48:33,891 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:48:38,783 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 15:48:38,783 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 115 treesize of output 67 [2024-12-02 15:48:39,005 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 15:48:39,006 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 179 treesize of output 83 [2024-12-02 15:48:39,302 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-12-02 15:48:39,302 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 15:48:41,176 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-12-02 15:48:41,176 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:48:41,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [163563830] [2024-12-02 15:48:41,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [163563830] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 15:48:41,176 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 15:48:41,177 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [14] total 20 [2024-12-02 15:48:41,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061431877] [2024-12-02 15:48:41,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:48:41,177 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 15:48:41,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:48:41,177 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 15:48:41,177 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=328, Unknown=0, NotChecked=0, Total=380 [2024-12-02 15:48:41,178 INFO L87 Difference]: Start difference. First operand 393 states and 530 transitions. Second operand has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-12-02 15:48:42,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:48:42,911 INFO L93 Difference]: Finished difference Result 764 states and 1030 transitions. [2024-12-02 15:48:42,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 15:48:42,912 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 90 [2024-12-02 15:48:42,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:48:42,914 INFO L225 Difference]: With dead ends: 764 [2024-12-02 15:48:42,914 INFO L226 Difference]: Without dead ends: 457 [2024-12-02 15:48:42,915 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=75, Invalid=431, Unknown=0, NotChecked=0, Total=506 [2024-12-02 15:48:42,915 INFO L435 NwaCegarLoop]: 169 mSDtfsCounter, 53 mSDsluCounter, 638 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 807 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:48:42,916 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 807 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-12-02 15:48:42,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 457 states. [2024-12-02 15:48:42,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 457 to 453. [2024-12-02 15:48:42,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 453 states, 413 states have (on average 1.3389830508474576) internal successors, (553), 416 states have internal predecessors, (553), 26 states have call successors, (26), 13 states have call predecessors, (26), 13 states have return successors, (26), 23 states have call predecessors, (26), 26 states have call successors, (26) [2024-12-02 15:48:42,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 453 states and 605 transitions. [2024-12-02 15:48:42,945 INFO L78 Accepts]: Start accepts. Automaton has 453 states and 605 transitions. Word has length 90 [2024-12-02 15:48:42,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:48:42,946 INFO L471 AbstractCegarLoop]: Abstraction has 453 states and 605 transitions. [2024-12-02 15:48:42,946 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-12-02 15:48:42,946 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 605 transitions. [2024-12-02 15:48:42,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-12-02 15:48:42,947 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:48:42,947 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:48:42,960 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/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 15:48:43,147 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/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 15:48:43,147 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:48:43,148 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:48:43,148 INFO L85 PathProgramCache]: Analyzing trace with hash 162712108, now seen corresponding path program 1 times [2024-12-02 15:48:43,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:48:43,148 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2100658180] [2024-12-02 15:48:43,148 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:48:43,148 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 15:48:43,148 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:48:43,150 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/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 15:48:43,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/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 15:48:43,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:48:43,579 INFO L256 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 15:48:43,580 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:48:43,606 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 17 treesize of output 9 [2024-12-02 15:48:43,931 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-12-02 15:48:43,932 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:48:43,932 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:48:43,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2100658180] [2024-12-02 15:48:43,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2100658180] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:48:43,932 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:48:43,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 15:48:43,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589733578] [2024-12-02 15:48:43,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:48:43,932 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:48:43,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:48:43,933 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:48:43,933 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:48:43,933 INFO L87 Difference]: Start difference. First operand 453 states and 605 transitions. Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-12-02 15:48:44,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:48:44,148 INFO L93 Difference]: Finished difference Result 869 states and 1166 transitions. [2024-12-02 15:48:44,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 15:48:44,148 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 91 [2024-12-02 15:48:44,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:48:44,150 INFO L225 Difference]: With dead ends: 869 [2024-12-02 15:48:44,150 INFO L226 Difference]: Without dead ends: 506 [2024-12-02 15:48:44,150 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-12-02 15:48:44,151 INFO L435 NwaCegarLoop]: 171 mSDtfsCounter, 180 mSDsluCounter, 418 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 180 SdHoareTripleChecker+Valid, 589 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:48:44,151 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [180 Valid, 589 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 15:48:44,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 506 states. [2024-12-02 15:48:44,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 506 to 483. [2024-12-02 15:48:44,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 483 states, 443 states have (on average 1.327313769751693) internal successors, (588), 446 states have internal predecessors, (588), 26 states have call successors, (26), 13 states have call predecessors, (26), 13 states have return successors, (26), 23 states have call predecessors, (26), 26 states have call successors, (26) [2024-12-02 15:48:44,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 483 states and 640 transitions. [2024-12-02 15:48:44,176 INFO L78 Accepts]: Start accepts. Automaton has 483 states and 640 transitions. Word has length 91 [2024-12-02 15:48:44,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:48:44,176 INFO L471 AbstractCegarLoop]: Abstraction has 483 states and 640 transitions. [2024-12-02 15:48:44,176 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-12-02 15:48:44,176 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 640 transitions. [2024-12-02 15:48:44,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-12-02 15:48:44,177 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:48:44,177 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:48:44,186 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/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 15:48:44,377 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/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 15:48:44,378 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:48:44,378 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:48:44,378 INFO L85 PathProgramCache]: Analyzing trace with hash 449743468, now seen corresponding path program 1 times [2024-12-02 15:48:44,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:48:44,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [881062630] [2024-12-02 15:48:44,378 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:48:44,378 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 15:48:44,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:48:44,380 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/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 15:48:44,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/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 15:48:44,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:48:44,805 INFO L256 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-02 15:48:44,806 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:48:44,880 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-12-02 15:48:44,881 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:48:44,881 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:48:44,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [881062630] [2024-12-02 15:48:44,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [881062630] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:48:44,881 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:48:44,881 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 15:48:44,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248699384] [2024-12-02 15:48:44,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:48:44,881 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 15:48:44,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:48:44,882 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 15:48:44,882 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 15:48:44,882 INFO L87 Difference]: Start difference. First operand 483 states and 640 transitions. Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 states have internal predecessors, (59), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-12-02 15:48:44,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:48:44,999 INFO L93 Difference]: Finished difference Result 892 states and 1188 transitions. [2024-12-02 15:48:45,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 15:48:45,000 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 states have internal predecessors, (59), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 91 [2024-12-02 15:48:45,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:48:45,003 INFO L225 Difference]: With dead ends: 892 [2024-12-02 15:48:45,003 INFO L226 Difference]: Without dead ends: 499 [2024-12-02 15:48:45,004 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 15:48:45,004 INFO L435 NwaCegarLoop]: 132 mSDtfsCounter, 0 mSDsluCounter, 503 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 635 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:48:45,004 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 635 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 15:48:45,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 499 states. [2024-12-02 15:48:45,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 499 to 496. [2024-12-02 15:48:45,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 496 states, 456 states have (on average 1.3179824561403508) internal successors, (601), 459 states have internal predecessors, (601), 26 states have call successors, (26), 13 states have call predecessors, (26), 13 states have return successors, (26), 23 states have call predecessors, (26), 26 states have call successors, (26) [2024-12-02 15:48:45,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 496 states and 653 transitions. [2024-12-02 15:48:45,022 INFO L78 Accepts]: Start accepts. Automaton has 496 states and 653 transitions. Word has length 91 [2024-12-02 15:48:45,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:48:45,022 INFO L471 AbstractCegarLoop]: Abstraction has 496 states and 653 transitions. [2024-12-02 15:48:45,022 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 states have internal predecessors, (59), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-12-02 15:48:45,022 INFO L276 IsEmpty]: Start isEmpty. Operand 496 states and 653 transitions. [2024-12-02 15:48:45,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-12-02 15:48:45,023 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:48:45,023 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:48:45,032 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/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)] Ended with exit code 0 [2024-12-02 15:48:45,223 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/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 15:48:45,223 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:48:45,223 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:48:45,224 INFO L85 PathProgramCache]: Analyzing trace with hash 1400408931, now seen corresponding path program 1 times [2024-12-02 15:48:45,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:48:45,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [946109541] [2024-12-02 15:48:45,224 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:48:45,224 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 15:48:45,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:48:45,226 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/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 15:48:45,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/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 15:48:45,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:48:45,803 INFO L256 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-02 15:48:45,806 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:48:46,116 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 17 treesize of output 13 [2024-12-02 15:48:46,315 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 54 treesize of output 42 [2024-12-02 15:48:46,320 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 53 treesize of output 33 [2024-12-02 15:48:46,432 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-12-02 15:48:46,432 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:48:46,432 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:48:46,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [946109541] [2024-12-02 15:48:46,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [946109541] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:48:46,432 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:48:46,432 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 15:48:46,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248035952] [2024-12-02 15:48:46,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:48:46,433 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 15:48:46,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:48:46,433 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 15:48:46,433 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:48:46,433 INFO L87 Difference]: Start difference. First operand 496 states and 653 transitions. Second operand has 9 states, 9 states have (on average 6.666666666666667) internal successors, (60), 8 states have internal predecessors, (60), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-12-02 15:48:47,932 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:48:50,928 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:48:54,279 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:48:56,864 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:48:59,058 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:49:02,246 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:49:06,236 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:49:08,146 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:49:10,888 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:49:14,046 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:49:17,688 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:49:20,680 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.99s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:49:20,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:49:20,738 INFO L93 Difference]: Finished difference Result 1357 states and 1789 transitions. [2024-12-02 15:49:20,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 15:49:20,738 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.666666666666667) internal successors, (60), 8 states have internal predecessors, (60), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 92 [2024-12-02 15:49:20,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:49:20,741 INFO L225 Difference]: With dead ends: 1357 [2024-12-02 15:49:20,741 INFO L226 Difference]: Without dead ends: 1355 [2024-12-02 15:49:20,742 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2024-12-02 15:49:20,742 INFO L435 NwaCegarLoop]: 197 mSDtfsCounter, 228 mSDsluCounter, 1191 mSDsCounter, 0 mSdLazyCounter, 209 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 228 SdHoareTripleChecker+Valid, 1388 SdHoareTripleChecker+Invalid, 209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 209 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:49:20,742 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [228 Valid, 1388 Invalid, 209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 209 Invalid, 0 Unknown, 0 Unchecked, 34.1s Time] [2024-12-02 15:49:20,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1355 states. [2024-12-02 15:49:20,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1355 to 1137. [2024-12-02 15:49:20,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1137 states, 1069 states have (on average 1.3115060804490177) internal successors, (1402), 1075 states have internal predecessors, (1402), 45 states have call successors, (45), 22 states have call predecessors, (45), 22 states have return successors, (45), 39 states have call predecessors, (45), 45 states have call successors, (45) [2024-12-02 15:49:20,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1137 states to 1137 states and 1492 transitions. [2024-12-02 15:49:20,795 INFO L78 Accepts]: Start accepts. Automaton has 1137 states and 1492 transitions. Word has length 92 [2024-12-02 15:49:20,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:49:20,795 INFO L471 AbstractCegarLoop]: Abstraction has 1137 states and 1492 transitions. [2024-12-02 15:49:20,795 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.666666666666667) internal successors, (60), 8 states have internal predecessors, (60), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-12-02 15:49:20,795 INFO L276 IsEmpty]: Start isEmpty. Operand 1137 states and 1492 transitions. [2024-12-02 15:49:20,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-12-02 15:49:20,796 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:49:20,796 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:49:20,808 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/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 15:49:20,996 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/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 15:49:20,996 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:49:20,997 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:49:20,997 INFO L85 PathProgramCache]: Analyzing trace with hash -788761858, now seen corresponding path program 1 times [2024-12-02 15:49:20,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:49:20,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2057961880] [2024-12-02 15:49:20,997 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:49:20,997 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 15:49:20,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:49:21,000 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/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 15:49:21,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/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 15:49:21,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:49:21,625 INFO L256 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-02 15:49:21,627 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:49:21,937 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 25 treesize of output 13 [2024-12-02 15:49:21,961 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-12-02 15:49:21,961 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:49:21,961 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:49:21,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2057961880] [2024-12-02 15:49:21,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2057961880] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:49:21,962 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:49:21,962 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 15:49:21,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747246600] [2024-12-02 15:49:21,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:49:21,962 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 15:49:21,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:49:21,963 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 15:49:21,963 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 15:49:21,963 INFO L87 Difference]: Start difference. First operand 1137 states and 1492 transitions. Second operand has 4 states, 4 states have (on average 15.5) internal successors, (62), 3 states have internal predecessors, (62), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-12-02 15:49:26,005 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:49:28,431 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:49:32,472 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.99s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:49:35,738 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:49:37,251 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:49:41,332 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:49:42,675 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:49:45,699 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:49:48,388 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:49:51,150 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:49:51,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:49:51,192 INFO L93 Difference]: Finished difference Result 2187 states and 2873 transitions. [2024-12-02 15:49:51,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 15:49:51,193 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 3 states have internal predecessors, (62), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 94 [2024-12-02 15:49:51,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:49:51,196 INFO L225 Difference]: With dead ends: 2187 [2024-12-02 15:49:51,196 INFO L226 Difference]: Without dead ends: 1139 [2024-12-02 15:49:51,197 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:49:51,197 INFO L435 NwaCegarLoop]: 132 mSDtfsCounter, 81 mSDsluCounter, 243 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 375 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.2s IncrementalHoareTripleChecker+Time [2024-12-02 15:49:51,197 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 375 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 42 Invalid, 2 Unknown, 0 Unchecked, 29.2s Time] [2024-12-02 15:49:51,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1139 states. [2024-12-02 15:49:51,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1139 to 1137. [2024-12-02 15:49:51,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1137 states, 1069 states have (on average 1.3086997193638914) internal successors, (1399), 1075 states have internal predecessors, (1399), 45 states have call successors, (45), 22 states have call predecessors, (45), 22 states have return successors, (45), 39 states have call predecessors, (45), 45 states have call successors, (45) [2024-12-02 15:49:51,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1137 states to 1137 states and 1489 transitions. [2024-12-02 15:49:51,237 INFO L78 Accepts]: Start accepts. Automaton has 1137 states and 1489 transitions. Word has length 94 [2024-12-02 15:49:51,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:49:51,237 INFO L471 AbstractCegarLoop]: Abstraction has 1137 states and 1489 transitions. [2024-12-02 15:49:51,237 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 3 states have internal predecessors, (62), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-12-02 15:49:51,237 INFO L276 IsEmpty]: Start isEmpty. Operand 1137 states and 1489 transitions. [2024-12-02 15:49:51,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-12-02 15:49:51,238 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:49:51,238 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:49:51,249 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/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 15:49:51,438 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/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 15:49:51,438 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:49:51,438 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:49:51,438 INFO L85 PathProgramCache]: Analyzing trace with hash -726722244, now seen corresponding path program 1 times [2024-12-02 15:49:51,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:49:51,439 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2034423660] [2024-12-02 15:49:51,439 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:49:51,439 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 15:49:51,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:49:51,440 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/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 15:49:51,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/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 15:49:52,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:49:52,041 INFO L256 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-12-02 15:49:52,044 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:49:52,444 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 19 treesize of output 15 [2024-12-02 15:49:52,688 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 56 treesize of output 44 [2024-12-02 15:49:52,693 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 57 treesize of output 37 [2024-12-02 15:49:52,852 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-12-02 15:49:52,852 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:49:52,852 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:49:52,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2034423660] [2024-12-02 15:49:52,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2034423660] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:49:52,852 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:49:52,852 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-12-02 15:49:52,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113149341] [2024-12-02 15:49:52,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:49:52,853 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 15:49:52,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:49:52,853 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 15:49:52,853 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-12-02 15:49:52,854 INFO L87 Difference]: Start difference. First operand 1137 states and 1489 transitions. Second operand has 10 states, 10 states have (on average 6.2) internal successors, (62), 9 states have internal predecessors, (62), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-12-02 15:49:57,009 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:49:59,380 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:50:02,215 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:50:05,302 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:50:08,100 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:50:10,721 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:50:12,863 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:50:15,767 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:50:18,398 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:50:22,508 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:50:25,725 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:50:25,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:50:25,817 INFO L93 Difference]: Finished difference Result 1166 states and 1521 transitions. [2024-12-02 15:50:25,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-02 15:50:25,818 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.2) internal successors, (62), 9 states have internal predecessors, (62), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 94 [2024-12-02 15:50:25,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:50:25,820 INFO L225 Difference]: With dead ends: 1166 [2024-12-02 15:50:25,820 INFO L226 Difference]: Without dead ends: 1164 [2024-12-02 15:50:25,821 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=49, Invalid=191, Unknown=0, NotChecked=0, Total=240 [2024-12-02 15:50:25,821 INFO L435 NwaCegarLoop]: 195 mSDtfsCounter, 138 mSDsluCounter, 1333 mSDsCounter, 0 mSdLazyCounter, 251 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 1528 SdHoareTripleChecker+Invalid, 253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 251 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.7s IncrementalHoareTripleChecker+Time [2024-12-02 15:50:25,822 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 1528 Invalid, 253 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 251 Invalid, 1 Unknown, 0 Unchecked, 32.7s Time] [2024-12-02 15:50:25,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1164 states. [2024-12-02 15:50:25,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1164 to 925. [2024-12-02 15:50:25,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 925 states, 857 states have (on average 1.3115519253208867) internal successors, (1124), 863 states have internal predecessors, (1124), 45 states have call successors, (45), 22 states have call predecessors, (45), 22 states have return successors, (45), 39 states have call predecessors, (45), 45 states have call successors, (45) [2024-12-02 15:50:25,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 925 states to 925 states and 1214 transitions. [2024-12-02 15:50:25,849 INFO L78 Accepts]: Start accepts. Automaton has 925 states and 1214 transitions. Word has length 94 [2024-12-02 15:50:25,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:50:25,849 INFO L471 AbstractCegarLoop]: Abstraction has 925 states and 1214 transitions. [2024-12-02 15:50:25,849 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.2) internal successors, (62), 9 states have internal predecessors, (62), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-12-02 15:50:25,849 INFO L276 IsEmpty]: Start isEmpty. Operand 925 states and 1214 transitions. [2024-12-02 15:50:25,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-12-02 15:50:25,850 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:50:25,850 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:50:25,862 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/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 15:50:26,050 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/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 15:50:26,050 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:50:26,051 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:50:26,051 INFO L85 PathProgramCache]: Analyzing trace with hash -56300996, now seen corresponding path program 1 times [2024-12-02 15:50:26,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:50:26,051 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1619861031] [2024-12-02 15:50:26,051 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:50:26,051 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 15:50:26,051 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:50:26,053 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/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 15:50:26,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/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 15:50:26,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:50:26,645 INFO L256 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-12-02 15:50:26,648 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:50:27,008 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 17 treesize of output 13 [2024-12-02 15:50:27,240 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 22 treesize of output 14 [2024-12-02 15:50:27,272 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 28 treesize of output 16 [2024-12-02 15:50:27,473 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-12-02 15:50:27,474 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:50:27,474 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:50:27,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1619861031] [2024-12-02 15:50:27,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1619861031] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:50:27,474 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:50:27,474 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-12-02 15:50:27,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1193124610] [2024-12-02 15:50:27,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:50:27,474 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-12-02 15:50:27,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:50:27,475 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-12-02 15:50:27,475 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-12-02 15:50:27,475 INFO L87 Difference]: Start difference. First operand 925 states and 1214 transitions. Second operand has 11 states, 11 states have (on average 5.636363636363637) internal successors, (62), 10 states have internal predecessors, (62), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-12-02 15:50:31,564 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.98s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:50:34,670 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:50:38,106 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:50:40,495 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:50:42,515 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:50:44,981 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:50:47,771 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:50:50,541 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:50:53,798 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:50:55,660 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:50:58,114 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.98s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:51:01,630 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:51:01,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:51:01,697 INFO L93 Difference]: Finished difference Result 1397 states and 1824 transitions. [2024-12-02 15:51:01,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-02 15:51:01,698 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.636363636363637) internal successors, (62), 10 states have internal predecessors, (62), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 94 [2024-12-02 15:51:01,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:51:01,701 INFO L225 Difference]: With dead ends: 1397 [2024-12-02 15:51:01,701 INFO L226 Difference]: Without dead ends: 1395 [2024-12-02 15:51:01,701 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=58, Invalid=248, Unknown=0, NotChecked=0, Total=306 [2024-12-02 15:51:01,702 INFO L435 NwaCegarLoop]: 197 mSDtfsCounter, 193 mSDsluCounter, 1557 mSDsCounter, 0 mSdLazyCounter, 291 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 1754 SdHoareTripleChecker+Invalid, 293 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 291 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.9s IncrementalHoareTripleChecker+Time [2024-12-02 15:51:01,702 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [193 Valid, 1754 Invalid, 293 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 291 Invalid, 0 Unknown, 0 Unchecked, 33.9s Time] [2024-12-02 15:51:01,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1395 states. [2024-12-02 15:51:01,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1395 to 1147. [2024-12-02 15:51:01,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1147 states, 1079 states have (on average 1.3104726598702503) internal successors, (1414), 1085 states have internal predecessors, (1414), 45 states have call successors, (45), 22 states have call predecessors, (45), 22 states have return successors, (45), 39 states have call predecessors, (45), 45 states have call successors, (45) [2024-12-02 15:51:01,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1147 states to 1147 states and 1504 transitions. [2024-12-02 15:51:01,736 INFO L78 Accepts]: Start accepts. Automaton has 1147 states and 1504 transitions. Word has length 94 [2024-12-02 15:51:01,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:51:01,736 INFO L471 AbstractCegarLoop]: Abstraction has 1147 states and 1504 transitions. [2024-12-02 15:51:01,736 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.636363636363637) internal successors, (62), 10 states have internal predecessors, (62), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-12-02 15:51:01,736 INFO L276 IsEmpty]: Start isEmpty. Operand 1147 states and 1504 transitions. [2024-12-02 15:51:01,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-12-02 15:51:01,737 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:51:01,737 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:51:01,750 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/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)] Forceful destruction successful, exit code 0 [2024-12-02 15:51:01,937 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/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 15:51:01,937 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:51:01,938 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:51:01,938 INFO L85 PathProgramCache]: Analyzing trace with hash 175072725, now seen corresponding path program 1 times [2024-12-02 15:51:01,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:51:01,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1128675786] [2024-12-02 15:51:01,938 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:51:01,938 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 15:51:01,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:51:01,940 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/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 15:51:01,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/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 15:51:02,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:51:02,542 INFO L256 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-02 15:51:02,544 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:51:02,901 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 19 treesize of output 15 [2024-12-02 15:51:03,129 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 24 treesize of output 16 [2024-12-02 15:51:03,166 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 30 treesize of output 18 [2024-12-02 15:51:03,377 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-12-02 15:51:03,377 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:51:03,377 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:51:03,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1128675786] [2024-12-02 15:51:03,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1128675786] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:51:03,377 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:51:03,378 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-12-02 15:51:03,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082971363] [2024-12-02 15:51:03,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:51:03,378 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-02 15:51:03,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:51:03,378 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-02 15:51:03,378 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-12-02 15:51:03,378 INFO L87 Difference]: Start difference. First operand 1147 states and 1504 transitions. Second operand has 12 states, 12 states have (on average 5.333333333333333) internal successors, (64), 11 states have internal predecessors, (64), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-12-02 15:51:05,774 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:51:08,738 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:51:12,209 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:51:15,915 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:51:18,969 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:51:20,717 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:51:23,010 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:51:26,404 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:51:31,209 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:51:34,562 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:51:38,653 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:51:40,311 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:51:40,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:51:40,452 INFO L93 Difference]: Finished difference Result 1166 states and 1526 transitions. [2024-12-02 15:51:40,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 15:51:40,453 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.333333333333333) internal successors, (64), 11 states have internal predecessors, (64), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 96 [2024-12-02 15:51:40,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:51:40,455 INFO L225 Difference]: With dead ends: 1166 [2024-12-02 15:51:40,455 INFO L226 Difference]: Without dead ends: 1164 [2024-12-02 15:51:40,456 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=66, Invalid=314, Unknown=0, NotChecked=0, Total=380 [2024-12-02 15:51:40,456 INFO L435 NwaCegarLoop]: 196 mSDtfsCounter, 138 mSDsluCounter, 1702 mSDsCounter, 0 mSdLazyCounter, 353 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 36.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 1898 SdHoareTripleChecker+Invalid, 358 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 353 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 36.7s IncrementalHoareTripleChecker+Time [2024-12-02 15:51:40,456 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 1898 Invalid, 358 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 353 Invalid, 2 Unknown, 0 Unchecked, 36.7s Time] [2024-12-02 15:51:40,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1164 states. [2024-12-02 15:51:40,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1164 to 915. [2024-12-02 15:51:40,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 915 states, 847 states have (on average 1.3152302243211333) internal successors, (1114), 853 states have internal predecessors, (1114), 45 states have call successors, (45), 22 states have call predecessors, (45), 22 states have return successors, (45), 39 states have call predecessors, (45), 45 states have call successors, (45) [2024-12-02 15:51:40,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 915 states to 915 states and 1204 transitions. [2024-12-02 15:51:40,512 INFO L78 Accepts]: Start accepts. Automaton has 915 states and 1204 transitions. Word has length 96 [2024-12-02 15:51:40,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:51:40,512 INFO L471 AbstractCegarLoop]: Abstraction has 915 states and 1204 transitions. [2024-12-02 15:51:40,512 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.333333333333333) internal successors, (64), 11 states have internal predecessors, (64), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-12-02 15:51:40,512 INFO L276 IsEmpty]: Start isEmpty. Operand 915 states and 1204 transitions. [2024-12-02 15:51:40,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-12-02 15:51:40,514 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:51:40,515 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 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 15:51:40,533 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/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 15:51:40,715 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/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 15:51:40,715 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:51:40,715 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:51:40,715 INFO L85 PathProgramCache]: Analyzing trace with hash 1839389667, now seen corresponding path program 1 times [2024-12-02 15:51:40,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:51:40,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [959913380] [2024-12-02 15:51:40,716 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:51:40,716 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 15:51:40,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:51:40,718 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/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 15:51:40,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/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 15:51:41,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:51:41,650 INFO L256 TraceCheckSpWp]: Trace formula consists of 422 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-02 15:51:41,654 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:51:42,830 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 26 treesize of output 18 [2024-12-02 15:51:42,835 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 14 treesize of output 10 [2024-12-02 15:51:42,981 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 19 treesize of output 11 [2024-12-02 15:51:43,276 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 16 proven. 229 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2024-12-02 15:51:43,276 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 15:51:48,141 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 74 treesize of output 62 [2024-12-02 15:51:52,634 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 16 proven. 33 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-12-02 15:51:52,634 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:51:52,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [959913380] [2024-12-02 15:51:52,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [959913380] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 15:51:52,634 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 15:51:52,634 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 8 [2024-12-02 15:51:52,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60728578] [2024-12-02 15:51:52,634 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 15:51:52,635 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 15:51:52,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:51:52,635 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 15:51:52,635 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-12-02 15:51:52,635 INFO L87 Difference]: Start difference. First operand 915 states and 1204 transitions. Second operand has 8 states, 8 states have (on average 24.0) internal successors, (192), 8 states have internal predecessors, (192), 4 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) [2024-12-02 15:51:57,103 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:51:58,121 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:52:01,480 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:52:04,694 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:52:08,666 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.95s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:52:11,027 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:52:14,284 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:52:17,841 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:52:20,144 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:52:22,571 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:52:25,025 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:52:29,085 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:52:31,335 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:52:35,337 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:52:37,319 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:52:40,451 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:52:43,681 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:52:46,468 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:52:47,589 WARN L539 Checker$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 15:52:49,675 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:52:52,884 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:52:56,568 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:53:00,771 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:53:04,860 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:53:06,421 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:53:08,344 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:53:10,870 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:53:12,449 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:53:16,602 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:53:21,339 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:53:23,646 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:53:27,616 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:53:30,166 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:53:31,828 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:53:35,275 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:53:38,665 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:53:41,177 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.35s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:53:41,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:53:41,178 INFO L93 Difference]: Finished difference Result 3590 states and 4701 transitions. [2024-12-02 15:53:41,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 15:53:41,182 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 24.0) internal successors, (192), 8 states have internal predecessors, (192), 4 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) Word has length 170 [2024-12-02 15:53:41,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:53:41,186 INFO L225 Difference]: With dead ends: 3590 [2024-12-02 15:53:41,186 INFO L226 Difference]: Without dead ends: 2765 [2024-12-02 15:53:41,187 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 348 GetRequests, 335 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2024-12-02 15:53:41,187 INFO L435 NwaCegarLoop]: 213 mSDtfsCounter, 977 mSDsluCounter, 826 mSDsCounter, 0 mSdLazyCounter, 283 mSolverCounterSat, 81 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 105.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 977 SdHoareTripleChecker+Valid, 1039 SdHoareTripleChecker+Invalid, 367 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 283 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 106.4s IncrementalHoareTripleChecker+Time [2024-12-02 15:53:41,187 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [977 Valid, 1039 Invalid, 367 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 283 Invalid, 3 Unknown, 0 Unchecked, 106.4s Time] [2024-12-02 15:53:41,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2765 states. [2024-12-02 15:53:41,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2765 to 2235. [2024-12-02 15:53:41,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2235 states, 2083 states have (on average 1.2986077772443592) internal successors, (2705), 2099 states have internal predecessors, (2705), 102 states have call successors, (102), 49 states have call predecessors, (102), 49 states have return successors, (102), 86 states have call predecessors, (102), 102 states have call successors, (102) [2024-12-02 15:53:41,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2235 states to 2235 states and 2909 transitions. [2024-12-02 15:53:41,305 INFO L78 Accepts]: Start accepts. Automaton has 2235 states and 2909 transitions. Word has length 170 [2024-12-02 15:53:41,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:53:41,305 INFO L471 AbstractCegarLoop]: Abstraction has 2235 states and 2909 transitions. [2024-12-02 15:53:41,305 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 24.0) internal successors, (192), 8 states have internal predecessors, (192), 4 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) [2024-12-02 15:53:41,305 INFO L276 IsEmpty]: Start isEmpty. Operand 2235 states and 2909 transitions. [2024-12-02 15:53:41,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2024-12-02 15:53:41,308 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:53:41,308 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 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 15:53:41,331 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/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 15:53:41,508 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/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 15:53:41,508 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:53:41,509 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:53:41,509 INFO L85 PathProgramCache]: Analyzing trace with hash 2124313084, now seen corresponding path program 1 times [2024-12-02 15:53:41,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:53:41,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [837469564] [2024-12-02 15:53:41,510 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:53:41,510 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 15:53:41,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:53:41,511 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/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 15:53:41,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/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 15:53:42,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:53:42,409 INFO L256 TraceCheckSpWp]: Trace formula consists of 427 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-02 15:53:42,413 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:53:43,804 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 18 treesize of output 10 [2024-12-02 15:53:43,845 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 16 treesize of output 12 [2024-12-02 15:53:44,016 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 21 treesize of output 13 [2024-12-02 15:53:44,388 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 7 proven. 238 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2024-12-02 15:53:44,388 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 15:53:50,568 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 62 treesize of output 50 [2024-12-02 15:53:56,198 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 7 proven. 42 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-12-02 15:53:56,198 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:53:56,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [837469564] [2024-12-02 15:53:56,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [837469564] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 15:53:56,198 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 15:53:56,198 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 10 [2024-12-02 15:53:56,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260597848] [2024-12-02 15:53:56,199 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 15:53:56,199 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 15:53:56,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:53:56,199 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 15:53:56,199 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-12-02 15:53:56,200 INFO L87 Difference]: Start difference. First operand 2235 states and 2909 transitions. Second operand has 10 states, 10 states have (on average 20.5) internal successors, (205), 10 states have internal predecessors, (205), 4 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) [2024-12-02 15:54:02,151 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:54:05,019 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:54:08,984 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:54:12,529 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:54:17,861 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:54:20,859 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:54:22,575 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:54:25,497 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:54:29,644 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:54:33,457 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:54:33,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:54:33,691 INFO L93 Difference]: Finished difference Result 3262 states and 4178 transitions. [2024-12-02 15:54:33,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 15:54:33,692 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 20.5) internal successors, (205), 10 states have internal predecessors, (205), 4 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) Word has length 172 [2024-12-02 15:54:33,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:54:33,694 INFO L225 Difference]: With dead ends: 3262 [2024-12-02 15:54:33,694 INFO L226 Difference]: Without dead ends: 1086 [2024-12-02 15:54:33,696 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 349 GetRequests, 336 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2024-12-02 15:54:33,696 INFO L435 NwaCegarLoop]: 206 mSDtfsCounter, 447 mSDsluCounter, 316 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 42 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 36.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 447 SdHoareTripleChecker+Valid, 522 SdHoareTripleChecker+Invalid, 179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 36.3s IncrementalHoareTripleChecker+Time [2024-12-02 15:54:33,696 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [447 Valid, 522 Invalid, 179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 136 Invalid, 1 Unknown, 0 Unchecked, 36.3s Time] [2024-12-02 15:54:33,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1086 states. [2024-12-02 15:54:33,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1086 to 428. [2024-12-02 15:54:33,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 428 states, 388 states have (on average 1.2474226804123711) internal successors, (484), 392 states have internal predecessors, (484), 26 states have call successors, (26), 13 states have call predecessors, (26), 13 states have return successors, (26), 22 states have call predecessors, (26), 26 states have call successors, (26) [2024-12-02 15:54:33,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 428 states and 536 transitions. [2024-12-02 15:54:33,744 INFO L78 Accepts]: Start accepts. Automaton has 428 states and 536 transitions. Word has length 172 [2024-12-02 15:54:33,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:54:33,744 INFO L471 AbstractCegarLoop]: Abstraction has 428 states and 536 transitions. [2024-12-02 15:54:33,744 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 20.5) internal successors, (205), 10 states have internal predecessors, (205), 4 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) [2024-12-02 15:54:33,744 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 536 transitions. [2024-12-02 15:54:33,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-12-02 15:54:33,746 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:54:33,746 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:54:33,772 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/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 15:54:33,946 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/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 15:54:33,946 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:54:33,947 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:54:33,947 INFO L85 PathProgramCache]: Analyzing trace with hash 1288030599, now seen corresponding path program 1 times [2024-12-02 15:54:33,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:54:33,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1607768000] [2024-12-02 15:54:33,947 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:54:33,947 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 15:54:33,947 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:54:33,949 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/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 15:54:33,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/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 15:54:34,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:54:34,876 INFO L256 TraceCheckSpWp]: Trace formula consists of 438 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-02 15:54:34,878 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:54:35,194 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 77 treesize of output 41 [2024-12-02 15:54:35,251 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 204 proven. 0 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2024-12-02 15:54:35,251 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:54:35,251 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:54:35,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1607768000] [2024-12-02 15:54:35,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1607768000] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:54:35,251 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:54:35,251 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:54:35,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655582292] [2024-12-02 15:54:35,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:54:35,251 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 15:54:35,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:54:35,252 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 15:54:35,252 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-12-02 15:54:35,252 INFO L87 Difference]: Start difference. First operand 428 states and 536 transitions. Second operand has 6 states, 6 states have (on average 14.833333333333334) internal successors, (89), 5 states have internal predecessors, (89), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-12-02 15:54:39,422 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:54:42,891 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:54:45,697 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:54:48,839 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:54:48,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:54:48,945 INFO L93 Difference]: Finished difference Result 812 states and 1014 transitions. [2024-12-02 15:54:48,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 15:54:48,962 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.833333333333334) internal successors, (89), 5 states have internal predecessors, (89), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 180 [2024-12-02 15:54:48,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:54:48,963 INFO L225 Difference]: With dead ends: 812 [2024-12-02 15:54:48,963 INFO L226 Difference]: Without dead ends: 431 [2024-12-02 15:54:48,964 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 175 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:54:48,964 INFO L435 NwaCegarLoop]: 97 mSDtfsCounter, 89 mSDsluCounter, 265 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 362 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.6s IncrementalHoareTripleChecker+Time [2024-12-02 15:54:48,965 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 362 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 13.6s Time] [2024-12-02 15:54:48,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 431 states. [2024-12-02 15:54:49,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 431 to 428. [2024-12-02 15:54:49,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 428 states, 388 states have (on average 1.2396907216494846) internal successors, (481), 392 states have internal predecessors, (481), 26 states have call successors, (26), 13 states have call predecessors, (26), 13 states have return successors, (26), 22 states have call predecessors, (26), 26 states have call successors, (26) [2024-12-02 15:54:49,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 428 states and 533 transitions. [2024-12-02 15:54:49,005 INFO L78 Accepts]: Start accepts. Automaton has 428 states and 533 transitions. Word has length 180 [2024-12-02 15:54:49,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:54:49,005 INFO L471 AbstractCegarLoop]: Abstraction has 428 states and 533 transitions. [2024-12-02 15:54:49,005 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.833333333333334) internal successors, (89), 5 states have internal predecessors, (89), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-12-02 15:54:49,005 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 533 transitions. [2024-12-02 15:54:49,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-12-02 15:54:49,006 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:54:49,006 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:54:49,031 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/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 15:54:49,206 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/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 15:54:49,207 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:54:49,207 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:54:49,207 INFO L85 PathProgramCache]: Analyzing trace with hash -595655929, now seen corresponding path program 1 times [2024-12-02 15:54:49,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:54:49,207 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [969197130] [2024-12-02 15:54:49,207 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:54:49,207 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 15:54:49,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:54:49,209 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/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 15:54:49,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/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 15:54:50,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:54:50,140 INFO L256 TraceCheckSpWp]: Trace formula consists of 450 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-02 15:54:50,144 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:54:50,508 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 77 treesize of output 41 [2024-12-02 15:54:50,565 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 223 proven. 0 refuted. 0 times theorem prover too weak. 199 trivial. 0 not checked. [2024-12-02 15:54:50,565 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:54:50,565 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:54:50,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [969197130] [2024-12-02 15:54:50,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [969197130] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:54:50,565 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:54:50,565 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:54:50,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102776973] [2024-12-02 15:54:50,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:54:50,566 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 15:54:50,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:54:50,566 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 15:54:50,567 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-12-02 15:54:50,567 INFO L87 Difference]: Start difference. First operand 428 states and 533 transitions. Second operand has 6 states, 6 states have (on average 16.166666666666668) internal successors, (97), 5 states have internal predecessors, (97), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-12-02 15:54:53,653 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:54:56,630 WARN L539 Checker$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 [] [2024-12-02 15:54:58,165 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:55:01,280 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:55:01,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:55:01,388 INFO L93 Difference]: Finished difference Result 805 states and 998 transitions. [2024-12-02 15:55:01,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 15:55:01,406 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.166666666666668) internal successors, (97), 5 states have internal predecessors, (97), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 184 [2024-12-02 15:55:01,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:55:01,407 INFO L225 Difference]: With dead ends: 805 [2024-12-02 15:55:01,407 INFO L226 Difference]: Without dead ends: 431 [2024-12-02 15:55:01,408 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:55:01,409 INFO L435 NwaCegarLoop]: 96 mSDtfsCounter, 80 mSDsluCounter, 262 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 358 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.7s IncrementalHoareTripleChecker+Time [2024-12-02 15:55:01,409 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 358 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 10.7s Time] [2024-12-02 15:55:01,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 431 states. [2024-12-02 15:55:01,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 431 to 428. [2024-12-02 15:55:01,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 428 states, 388 states have (on average 1.231958762886598) internal successors, (478), 392 states have internal predecessors, (478), 26 states have call successors, (26), 13 states have call predecessors, (26), 13 states have return successors, (26), 22 states have call predecessors, (26), 26 states have call successors, (26) [2024-12-02 15:55:01,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 428 states and 530 transitions. [2024-12-02 15:55:01,433 INFO L78 Accepts]: Start accepts. Automaton has 428 states and 530 transitions. Word has length 184 [2024-12-02 15:55:01,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:55:01,433 INFO L471 AbstractCegarLoop]: Abstraction has 428 states and 530 transitions. [2024-12-02 15:55:01,433 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.166666666666668) internal successors, (97), 5 states have internal predecessors, (97), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-12-02 15:55:01,433 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 530 transitions. [2024-12-02 15:55:01,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2024-12-02 15:55:01,434 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:55:01,434 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:55:01,453 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/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 15:55:01,635 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/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 15:55:01,635 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:55:01,635 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:55:01,635 INFO L85 PathProgramCache]: Analyzing trace with hash 1546787847, now seen corresponding path program 1 times [2024-12-02 15:55:01,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:55:01,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [575991787] [2024-12-02 15:55:01,636 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:55:01,636 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 15:55:01,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:55:01,637 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/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 15:55:01,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/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 15:55:02,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:55:02,645 INFO L256 TraceCheckSpWp]: Trace formula consists of 462 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-12-02 15:55:02,649 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:55:10,955 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 15:55:10,955 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 279 treesize of output 129 [2024-12-02 15:55:11,362 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 15:55:11,362 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 15:55:11,794 INFO L134 CoverageAnalysis]: Checked inductivity of 424 backedges. 7 proven. 287 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2024-12-02 15:55:11,794 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 15:55:13,830 INFO L134 CoverageAnalysis]: Checked inductivity of 424 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 407 trivial. 0 not checked. [2024-12-02 15:55:13,830 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:55:13,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [575991787] [2024-12-02 15:55:13,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [575991787] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 15:55:13,830 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 15:55:13,831 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [15] total 21 [2024-12-02 15:55:13,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696326875] [2024-12-02 15:55:13,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:55:13,831 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 15:55:13,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:55:13,832 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 15:55:13,832 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=365, Unknown=0, NotChecked=0, Total=420 [2024-12-02 15:55:13,832 INFO L87 Difference]: Start difference. First operand 428 states and 530 transitions. Second operand has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 7 states have internal predecessors, (86), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-12-02 15:55:15,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:55:15,163 INFO L93 Difference]: Finished difference Result 667 states and 830 transitions. [2024-12-02 15:55:15,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 15:55:15,165 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 7 states have internal predecessors, (86), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 188 [2024-12-02 15:55:15,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:55:15,166 INFO L225 Difference]: With dead ends: 667 [2024-12-02 15:55:15,166 INFO L226 Difference]: Without dead ends: 447 [2024-12-02 15:55:15,167 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 377 GetRequests, 355 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=78, Invalid=474, Unknown=0, NotChecked=0, Total=552 [2024-12-02 15:55:15,167 INFO L435 NwaCegarLoop]: 113 mSDtfsCounter, 59 mSDsluCounter, 406 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 519 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-12-02 15:55:15,167 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 519 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-12-02 15:55:15,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2024-12-02 15:55:15,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 423. [2024-12-02 15:55:15,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 423 states, 383 states have (on average 1.2349869451697129) internal successors, (473), 387 states have internal predecessors, (473), 26 states have call successors, (26), 13 states have call predecessors, (26), 13 states have return successors, (26), 22 states have call predecessors, (26), 26 states have call successors, (26) [2024-12-02 15:55:15,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 423 states and 525 transitions. [2024-12-02 15:55:15,194 INFO L78 Accepts]: Start accepts. Automaton has 423 states and 525 transitions. Word has length 188 [2024-12-02 15:55:15,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:55:15,194 INFO L471 AbstractCegarLoop]: Abstraction has 423 states and 525 transitions. [2024-12-02 15:55:15,194 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 7 states have internal predecessors, (86), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-12-02 15:55:15,194 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 525 transitions. [2024-12-02 15:55:15,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2024-12-02 15:55:15,196 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:55:15,196 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 15:55:15,213 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/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)] Ended with exit code 0 [2024-12-02 15:55:15,396 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/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 15:55:15,396 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:55:15,397 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:55:15,397 INFO L85 PathProgramCache]: Analyzing trace with hash 1178836551, now seen corresponding path program 1 times [2024-12-02 15:55:15,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:55:15,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1802024990] [2024-12-02 15:55:15,398 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:55:15,399 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 15:55:15,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:55:15,403 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/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 15:55:15,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/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 (25)] Waiting until timeout for monitored process [2024-12-02 15:55:16,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:55:16,433 INFO L256 TraceCheckSpWp]: Trace formula consists of 462 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-12-02 15:55:16,437 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:55:25,610 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 15:55:25,611 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 204 treesize of output 108 [2024-12-02 15:55:25,859 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 15:55:25,859 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 136 treesize of output 64 [2024-12-02 15:55:26,135 INFO L134 CoverageAnalysis]: Checked inductivity of 424 backedges. 7 proven. 258 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2024-12-02 15:55:26,135 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 15:55:28,261 INFO L134 CoverageAnalysis]: Checked inductivity of 424 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 407 trivial. 0 not checked. [2024-12-02 15:55:28,261 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:55:28,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1802024990] [2024-12-02 15:55:28,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1802024990] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 15:55:28,261 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 15:55:28,261 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [14] total 20 [2024-12-02 15:55:28,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182761582] [2024-12-02 15:55:28,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:55:28,262 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 15:55:28,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:55:28,262 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 15:55:28,263 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=328, Unknown=0, NotChecked=0, Total=380 [2024-12-02 15:55:28,263 INFO L87 Difference]: Start difference. First operand 423 states and 525 transitions. Second operand has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 7 states have internal predecessors, (86), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-12-02 15:55:30,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:55:30,215 INFO L93 Difference]: Finished difference Result 659 states and 819 transitions. [2024-12-02 15:55:30,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 15:55:30,217 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 7 states have internal predecessors, (86), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 188 [2024-12-02 15:55:30,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:55:30,218 INFO L225 Difference]: With dead ends: 659 [2024-12-02 15:55:30,218 INFO L226 Difference]: Without dead ends: 437 [2024-12-02 15:55:30,219 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 377 GetRequests, 356 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=75, Invalid=431, Unknown=0, NotChecked=0, Total=506 [2024-12-02 15:55:30,219 INFO L435 NwaCegarLoop]: 153 mSDtfsCounter, 97 mSDsluCounter, 472 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 625 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:55:30,219 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 625 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-12-02 15:55:30,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 437 states. [2024-12-02 15:55:30,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 437 to 427. [2024-12-02 15:55:30,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 427 states, 385 states have (on average 1.2311688311688311) internal successors, (474), 390 states have internal predecessors, (474), 27 states have call successors, (27), 14 states have call predecessors, (27), 14 states have return successors, (27), 22 states have call predecessors, (27), 27 states have call successors, (27) [2024-12-02 15:55:30,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 427 states and 528 transitions. [2024-12-02 15:55:30,245 INFO L78 Accepts]: Start accepts. Automaton has 427 states and 528 transitions. Word has length 188 [2024-12-02 15:55:30,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:55:30,245 INFO L471 AbstractCegarLoop]: Abstraction has 427 states and 528 transitions. [2024-12-02 15:55:30,245 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 7 states have internal predecessors, (86), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-12-02 15:55:30,245 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 528 transitions. [2024-12-02 15:55:30,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-12-02 15:55:30,246 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:55:30,247 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 15:55:30,272 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/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 (25)] Ended with exit code 0 [2024-12-02 15:55:30,447 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/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 15:55:30,447 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:55:30,447 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:55:30,448 INFO L85 PathProgramCache]: Analyzing trace with hash 305434159, now seen corresponding path program 1 times [2024-12-02 15:55:30,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:55:30,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1568743778] [2024-12-02 15:55:30,448 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:55:30,448 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 15:55:30,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:55:30,450 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/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 15:55:30,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/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 (26)] Waiting until timeout for monitored process [2024-12-02 15:55:31,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:55:31,339 INFO L256 TraceCheckSpWp]: Trace formula consists of 462 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-12-02 15:55:31,342 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:55:33,843 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 24 [2024-12-02 15:55:33,850 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 13 treesize of output 9 [2024-12-02 15:55:34,327 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 18 treesize of output 10 [2024-12-02 15:55:35,699 INFO L134 CoverageAnalysis]: Checked inductivity of 424 backedges. 26 proven. 295 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2024-12-02 15:55:35,699 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 15:55:36,234 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 38 treesize of output 34 [2024-12-02 15:55:37,883 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 15:55:37,883 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 37 treesize of output 36 [2024-12-02 15:55:38,444 INFO L134 CoverageAnalysis]: Checked inductivity of 424 backedges. 36 proven. 99 refuted. 0 times theorem prover too weak. 289 trivial. 0 not checked. [2024-12-02 15:55:38,444 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:55:38,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1568743778] [2024-12-02 15:55:38,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1568743778] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 15:55:38,444 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 15:55:38,444 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 24 [2024-12-02 15:55:38,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026407828] [2024-12-02 15:55:38,444 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 15:55:38,444 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-12-02 15:55:38,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:55:38,445 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-12-02 15:55:38,445 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=439, Unknown=0, NotChecked=0, Total=552 [2024-12-02 15:55:38,445 INFO L87 Difference]: Start difference. First operand 427 states and 528 transitions. Second operand has 24 states, 20 states have (on average 11.35) internal successors, (227), 22 states have internal predecessors, (227), 9 states have call successors, (28), 5 states have call predecessors, (28), 8 states have return successors, (28), 7 states have call predecessors, (28), 9 states have call successors, (28) [2024-12-02 15:55:43,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:55:43,065 INFO L93 Difference]: Finished difference Result 827 states and 1013 transitions. [2024-12-02 15:55:43,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-12-02 15:55:43,065 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 20 states have (on average 11.35) internal successors, (227), 22 states have internal predecessors, (227), 9 states have call successors, (28), 5 states have call predecessors, (28), 8 states have return successors, (28), 7 states have call predecessors, (28), 9 states have call successors, (28) Word has length 190 [2024-12-02 15:55:43,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:55:43,067 INFO L225 Difference]: With dead ends: 827 [2024-12-02 15:55:43,067 INFO L226 Difference]: Without dead ends: 592 [2024-12-02 15:55:43,068 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 405 GetRequests, 357 SyntacticMatches, 1 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 441 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=552, Invalid=1800, Unknown=0, NotChecked=0, Total=2352 [2024-12-02 15:55:43,068 INFO L435 NwaCegarLoop]: 193 mSDtfsCounter, 631 mSDsluCounter, 1692 mSDsCounter, 0 mSdLazyCounter, 505 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 632 SdHoareTripleChecker+Valid, 1885 SdHoareTripleChecker+Invalid, 557 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 505 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-12-02 15:55:43,068 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [632 Valid, 1885 Invalid, 557 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 505 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-12-02 15:55:43,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 592 states. [2024-12-02 15:55:43,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 592 to 474. [2024-12-02 15:55:43,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 474 states, 425 states have (on average 1.223529411764706) internal successors, (520), 429 states have internal predecessors, (520), 31 states have call successors, (31), 17 states have call predecessors, (31), 17 states have return successors, (31), 27 states have call predecessors, (31), 31 states have call successors, (31) [2024-12-02 15:55:43,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 474 states and 582 transitions. [2024-12-02 15:55:43,105 INFO L78 Accepts]: Start accepts. Automaton has 474 states and 582 transitions. Word has length 190 [2024-12-02 15:55:43,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:55:43,106 INFO L471 AbstractCegarLoop]: Abstraction has 474 states and 582 transitions. [2024-12-02 15:55:43,106 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 20 states have (on average 11.35) internal successors, (227), 22 states have internal predecessors, (227), 9 states have call successors, (28), 5 states have call predecessors, (28), 8 states have return successors, (28), 7 states have call predecessors, (28), 9 states have call successors, (28) [2024-12-02 15:55:43,106 INFO L276 IsEmpty]: Start isEmpty. Operand 474 states and 582 transitions. [2024-12-02 15:55:43,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-12-02 15:55:43,107 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:55:43,108 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 15:55:43,126 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/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 (26)] Ended with exit code 0 [2024-12-02 15:55:43,308 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/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 15:55:43,308 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:55:43,308 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:55:43,308 INFO L85 PathProgramCache]: Analyzing trace with hash 700380783, now seen corresponding path program 1 times [2024-12-02 15:55:43,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:55:43,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1965583897] [2024-12-02 15:55:43,309 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:55:43,309 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 15:55:43,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:55:43,310 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/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 15:55:43,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/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 (27)] Waiting until timeout for monitored process [2024-12-02 15:55:44,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:55:44,249 INFO L256 TraceCheckSpWp]: Trace formula consists of 468 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-02 15:55:44,252 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:55:44,262 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 12 treesize of output 8 [2024-12-02 15:55:44,345 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 37 treesize of output 25 [2024-12-02 15:55:44,457 INFO L134 CoverageAnalysis]: Checked inductivity of 424 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 409 trivial. 0 not checked. [2024-12-02 15:55:44,457 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:55:44,457 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:55:44,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1965583897] [2024-12-02 15:55:44,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1965583897] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:55:44,458 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:55:44,458 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 15:55:44,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [806913849] [2024-12-02 15:55:44,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:55:44,458 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 15:55:44,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:55:44,458 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 15:55:44,458 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:55:44,459 INFO L87 Difference]: Start difference. First operand 474 states and 582 transitions. Second operand has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 7 states have internal predecessors, (86), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-12-02 15:55:44,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:55:44,832 INFO L93 Difference]: Finished difference Result 750 states and 921 transitions. [2024-12-02 15:55:44,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 15:55:44,832 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 7 states have internal predecessors, (86), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 190 [2024-12-02 15:55:44,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:55:44,833 INFO L225 Difference]: With dead ends: 750 [2024-12-02 15:55:44,833 INFO L226 Difference]: Without dead ends: 0 [2024-12-02 15:55:44,834 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 184 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 15:55:44,834 INFO L435 NwaCegarLoop]: 135 mSDtfsCounter, 103 mSDsluCounter, 605 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 740 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 15:55:44,834 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 740 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 15:55:44,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-12-02 15:55:44,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-12-02 15:55:44,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:55:44,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-12-02 15:55:44,835 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 190 [2024-12-02 15:55:44,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:55:44,835 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-12-02 15:55:44,835 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 7 states have internal predecessors, (86), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-12-02 15:55:44,836 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-12-02 15:55:44,836 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-02 15:55:44,838 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 15:55:44,855 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/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 (27)] Ended with exit code 0 [2024-12-02 15:55:45,038 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/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 15:55:45,040 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 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 15:55:45,042 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-12-02 15:56:04,147 WARN L286 SmtUtils]: Spent 5.17s on a formula simplification. DAG size of input: 291 DAG size of output: 141 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-02 15:56:10,299 WARN L286 SmtUtils]: Spent 6.13s on a formula simplification. DAG size of input: 416 DAG size of output: 81 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-02 15:56:16,633 WARN L286 SmtUtils]: Spent 6.32s on a formula simplification. DAG size of input: 424 DAG size of output: 86 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-02 15:56:16,637 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 15:56:16,650 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~var_1_12_Pointer~0!base [2024-12-02 15:56:16,651 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#var_1_12~0!base [2024-12-02 15:56:16,652 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~var_1_13_Pointer~0!offset [2024-12-02 15:56:16,652 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#var_1_13~0!offset [2024-12-02 15:56:16,652 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-12-02 15:56:16,652 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#7 [2024-12-02 15:56:16,653 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#7,GLOBAL] [2024-12-02 15:56:16,653 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#7,GLOBAL],[IdentifierExpression[~var_1_13_Pointer~0!base,GLOBAL]]] [2024-12-02 15:56:16,653 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-12-02 15:56:16,653 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~var_1_7_Pointer~0!offset [2024-12-02 15:56:16,653 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#var_1_7~0!offset [2024-12-02 15:56:16,653 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#1 [2024-12-02 15:56:16,653 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] [2024-12-02 15:56:16,653 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~var_1_1_Pointer~0!base,GLOBAL]]] [2024-12-02 15:56:16,654 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#var_1_12~0!offset [2024-12-02 15:56:16,655 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~var_1_12_Pointer~0!offset [2024-12-02 15:56:16,655 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#var_1_13~0!base [2024-12-02 15:56:16,655 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~var_1_13_Pointer~0!base [2024-12-02 15:56:16,655 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-12-02 15:56:16,655 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~var_1_7_Pointer~0!base [2024-12-02 15:56:16,655 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#var_1_7~0!base [2024-12-02 15:56:16,655 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-12-02 15:56:16,655 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-12-02 15:56:16,655 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-12-02 15:56:16,656 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#2 [2024-12-02 15:56:16,656 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#2,GLOBAL] [2024-12-02 15:56:16,656 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#2,GLOBAL],[IdentifierExpression[~#var_1_7~0!base,GLOBAL]]] [2024-12-02 15:56:16,656 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~var_1_12_Pointer~0!base [2024-12-02 15:56:16,656 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#var_1_12~0!base [2024-12-02 15:56:16,656 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~var_1_13_Pointer~0!offset [2024-12-02 15:56:16,656 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#var_1_13~0!offset [2024-12-02 15:56:16,656 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-12-02 15:56:16,656 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-12-02 15:56:16,656 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~var_1_7_Pointer~0!offset [2024-12-02 15:56:16,656 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#var_1_7~0!offset [2024-12-02 15:56:16,656 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#1 [2024-12-02 15:56:16,656 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] [2024-12-02 15:56:16,656 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~var_1_1_Pointer~0!base,GLOBAL]]] [2024-12-02 15:56:16,656 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#var_1_12~0!offset [2024-12-02 15:56:16,657 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~var_1_12_Pointer~0!offset [2024-12-02 15:56:16,657 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#var_1_13~0!base [2024-12-02 15:56:16,657 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~var_1_13_Pointer~0!base [2024-12-02 15:56:16,657 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-12-02 15:56:16,657 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#7 [2024-12-02 15:56:16,657 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#7,GLOBAL] [2024-12-02 15:56:16,657 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#7,GLOBAL],[IdentifierExpression[~#var_1_13~0!base,GLOBAL]]] [2024-12-02 15:56:16,657 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-12-02 15:56:16,657 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~var_1_7_Pointer~0!base [2024-12-02 15:56:16,657 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#var_1_7~0!base [2024-12-02 15:56:16,657 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-12-02 15:56:16,657 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-12-02 15:56:16,657 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~var_1_12_Pointer~0!base [2024-12-02 15:56:16,657 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#var_1_12~0!base [2024-12-02 15:56:16,658 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~var_1_13_Pointer~0!offset [2024-12-02 15:56:16,658 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#var_1_13~0!offset [2024-12-02 15:56:16,658 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#7 [2024-12-02 15:56:16,658 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#7,GLOBAL] [2024-12-02 15:56:16,658 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#7,GLOBAL],[IdentifierExpression[~#var_1_13~0!base,GLOBAL]]] [2024-12-02 15:56:16,658 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-12-02 15:56:16,658 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~var_1_7_Pointer~0!offset [2024-12-02 15:56:16,658 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#var_1_7~0!offset [2024-12-02 15:56:16,658 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#1 [2024-12-02 15:56:16,658 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] [2024-12-02 15:56:16,658 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~var_1_1_Pointer~0!base,GLOBAL]]] [2024-12-02 15:56:16,658 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#var_1_12~0!offset [2024-12-02 15:56:16,658 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~var_1_12_Pointer~0!offset [2024-12-02 15:56:16,659 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-12-02 15:56:16,659 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#var_1_13~0!base [2024-12-02 15:56:16,659 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~var_1_13_Pointer~0!base [2024-12-02 15:56:16,659 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-12-02 15:56:16,659 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-12-02 15:56:16,659 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~var_1_7_Pointer~0!base [2024-12-02 15:56:16,659 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#var_1_7~0!base [2024-12-02 15:56:16,659 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-12-02 15:56:16,659 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-12-02 15:56:16,659 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-12-02 15:56:16,659 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-12-02 15:56:16,659 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-12-02 15:56:16,659 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#2 [2024-12-02 15:56:16,659 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#2,GLOBAL] [2024-12-02 15:56:16,659 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#2,GLOBAL],[IdentifierExpression[~#var_1_7~0!base,GLOBAL]]] [2024-12-02 15:56:16,659 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~var_1_12_Pointer~0!base [2024-12-02 15:56:16,660 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#var_1_12~0!base [2024-12-02 15:56:16,660 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~var_1_13_Pointer~0!offset [2024-12-02 15:56:16,660 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#var_1_13~0!offset [2024-12-02 15:56:16,660 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-12-02 15:56:16,660 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#7 [2024-12-02 15:56:16,660 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#7,GLOBAL] [2024-12-02 15:56:16,660 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#7,GLOBAL],[IdentifierExpression[~var_1_13_Pointer~0!base,GLOBAL]]] [2024-12-02 15:56:16,660 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-12-02 15:56:16,660 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~var_1_7_Pointer~0!offset [2024-12-02 15:56:16,660 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#var_1_7~0!offset [2024-12-02 15:56:16,660 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-12-02 15:56:16,660 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#1 [2024-12-02 15:56:16,660 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] [2024-12-02 15:56:16,660 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~var_1_1_Pointer~0!base,GLOBAL]]] [2024-12-02 15:56:16,660 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#var_1_12~0!offset [2024-12-02 15:56:16,661 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~var_1_12_Pointer~0!offset [2024-12-02 15:56:16,661 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#var_1_13~0!base [2024-12-02 15:56:16,661 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~var_1_13_Pointer~0!base [2024-12-02 15:56:16,661 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-12-02 15:56:16,661 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~var_1_7_Pointer~0!base [2024-12-02 15:56:16,661 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#var_1_7~0!base [2024-12-02 15:56:16,661 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#2 [2024-12-02 15:56:16,661 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#2,GLOBAL] [2024-12-02 15:56:16,661 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#2,GLOBAL],[IdentifierExpression[~var_1_7_Pointer~0!base,GLOBAL]]] [2024-12-02 15:56:16,661 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-12-02 15:56:16,661 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-12-02 15:56:16,661 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 03:56:16 BoogieIcfgContainer [2024-12-02 15:56:16,661 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 15:56:16,662 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 15:56:16,662 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 15:56:16,662 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 15:56:16,663 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:47:40" (3/4) ... [2024-12-02 15:56:16,665 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-02 15:56:16,670 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-12-02 15:56:16,677 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-12-02 15:56:16,677 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-12-02 15:56:16,678 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-12-02 15:56:16,678 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-02 15:56:16,788 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml [2024-12-02 15:56:16,789 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/bin/uautomizer-verify-84ZbGMXZE1/witness.yml [2024-12-02 15:56:16,789 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 15:56:16,789 INFO L158 Benchmark]: Toolchain (without parser) took 529135.95ms. Allocated memory was 92.3MB in the beginning and 377.5MB in the end (delta: 285.2MB). Free memory was 69.3MB in the beginning and 288.6MB in the end (delta: -219.2MB). Peak memory consumption was 60.6MB. Max. memory is 16.1GB. [2024-12-02 15:56:16,790 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 83.9MB. Free memory is still 48.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 15:56:16,790 INFO L158 Benchmark]: CACSL2BoogieTranslator took 220.91ms. Allocated memory is still 92.3MB. Free memory was 69.1MB in the beginning and 54.6MB in the end (delta: 14.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 15:56:16,790 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.09ms. Allocated memory is still 92.3MB. Free memory was 54.5MB in the beginning and 52.0MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 15:56:16,790 INFO L158 Benchmark]: Boogie Preprocessor took 78.46ms. Allocated memory is still 92.3MB. Free memory was 52.0MB in the beginning and 46.2MB in the end (delta: 5.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 15:56:16,790 INFO L158 Benchmark]: RCFGBuilder took 12804.67ms. Allocated memory is still 92.3MB. Free memory was 46.1MB in the beginning and 35.1MB in the end (delta: 11.1MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. [2024-12-02 15:56:16,791 INFO L158 Benchmark]: TraceAbstraction took 515856.53ms. Allocated memory was 92.3MB in the beginning and 377.5MB in the end (delta: 285.2MB). Free memory was 34.5MB in the beginning and 297.0MB in the end (delta: -262.5MB). Peak memory consumption was 216.0MB. Max. memory is 16.1GB. [2024-12-02 15:56:16,791 INFO L158 Benchmark]: Witness Printer took 126.93ms. Allocated memory is still 377.5MB. Free memory was 297.0MB in the beginning and 288.6MB in the end (delta: 8.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 15:56:16,792 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 83.9MB. Free memory is still 48.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 220.91ms. Allocated memory is still 92.3MB. Free memory was 69.1MB in the beginning and 54.6MB in the end (delta: 14.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.09ms. Allocated memory is still 92.3MB. Free memory was 54.5MB in the beginning and 52.0MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 78.46ms. Allocated memory is still 92.3MB. Free memory was 52.0MB in the beginning and 46.2MB in the end (delta: 5.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 12804.67ms. Allocated memory is still 92.3MB. Free memory was 46.1MB in the beginning and 35.1MB in the end (delta: 11.1MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. * TraceAbstraction took 515856.53ms. Allocated memory was 92.3MB in the beginning and 377.5MB in the end (delta: 285.2MB). Free memory was 34.5MB in the beginning and 297.0MB in the end (delta: -262.5MB). Peak memory consumption was 216.0MB. Max. memory is 16.1GB. * Witness Printer took 126.93ms. Allocated memory is still 377.5MB. Free memory was 297.0MB in the beginning and 288.6MB in the end (delta: 8.4MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~var_1_12_Pointer~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#var_1_12~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~var_1_13_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#var_1_13~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#7 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#7,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#7,GLOBAL],[IdentifierExpression[~var_1_13_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~var_1_7_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#var_1_7~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~var_1_1_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#var_1_12~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~var_1_12_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#var_1_13~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~var_1_13_Pointer~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~var_1_7_Pointer~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#var_1_7~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#2 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#2,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#2,GLOBAL],[IdentifierExpression[~#var_1_7~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~var_1_12_Pointer~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#var_1_12~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~var_1_13_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#var_1_13~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~var_1_7_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#var_1_7~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~var_1_1_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#var_1_12~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~var_1_12_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#var_1_13~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~var_1_13_Pointer~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#7 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#7,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#7,GLOBAL],[IdentifierExpression[~#var_1_13~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~var_1_7_Pointer~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#var_1_7~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~var_1_12_Pointer~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#var_1_12~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~var_1_13_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#var_1_13~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#7 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#7,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#7,GLOBAL],[IdentifierExpression[~#var_1_13~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~var_1_7_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#var_1_7~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~var_1_1_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#var_1_12~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~var_1_12_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#var_1_13~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~var_1_13_Pointer~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~var_1_7_Pointer~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#var_1_7~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#2 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#2,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#2,GLOBAL],[IdentifierExpression[~#var_1_7~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~var_1_12_Pointer~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#var_1_12~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~var_1_13_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#var_1_13~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#7 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#7,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#7,GLOBAL],[IdentifierExpression[~var_1_13_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~var_1_7_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#var_1_7~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~var_1_1_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#var_1_12~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~var_1_12_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#var_1_13~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~var_1_13_Pointer~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~var_1_7_Pointer~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#var_1_7~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#2 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#2,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#2,GLOBAL],[IdentifierExpression[~var_1_7_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven * 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 - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 96 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 484.2s, OverallIterations: 26, TraceHistogramMax: 14, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 370.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 10 mSolverCounterUnknown, 4966 SdHoareTripleChecker+Valid, 358.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4963 mSDsluCounter, 20775 SdHoareTripleChecker+Invalid, 354.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 16759 mSDsCounter, 311 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3465 IncrementalHoareTripleChecker+Invalid, 3786 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 311 mSolverCounterUnsat, 4016 mSDtfsCounter, 3465 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4684 GetRequests, 4313 SyntacticMatches, 3 SemanticMatches, 368 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1327 ImplicationChecksByTransitivity, 37.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2235occurred in iteration=19, InterpolantAutomatonStates: 226, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 26 MinimizatonAttempts, 2564 StatesRemovedByMinimization, 21 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 1.0s SsaConstructionTime, 12.2s SatisfiabilityAnalysisTime, 91.4s InterpolantComputationTime, 3069 NumberOfCodeBlocks, 3069 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 4560 ConstructedInterpolants, 125 QuantifiedInterpolants, 100039 SizeOfPredicates, 199 NumberOfNonLiveVariables, 8197 ConjunctsInSsa, 346 ConjunctsInUnsatCore, 38 InterpolantComputations, 21 PerfectInterpolantSequences, 5763/7562 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-12-02 15:56:16,937 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a639f0-2b1e-4180-be9f-a50df0f7b6be/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE