./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-97.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_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/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_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-97.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/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_c4555750-4633-4253-b2e4-e6ffd30bd21d/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 7188c6f24541aba260187a36aa9df009a62318807d29ed8104d2cc5db8c5a63b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 13:35:03,806 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 13:35:03,868 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 13:35:03,873 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 13:35:03,873 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 13:35:03,895 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 13:35:03,896 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 13:35:03,896 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 13:35:03,896 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 13:35:03,897 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 13:35:03,897 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 13:35:03,897 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 13:35:03,897 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 13:35:03,897 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 13:35:03,897 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 13:35:03,897 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 13:35:03,898 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 13:35:03,898 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 13:35:03,898 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 13:35:03,898 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 13:35:03,898 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 13:35:03,898 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 13:35:03,898 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 13:35:03,898 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 13:35:03,898 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 13:35:03,898 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 13:35:03,898 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 13:35:03,899 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 13:35:03,899 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 13:35:03,899 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 13:35:03,899 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 13:35:03,899 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 13:35:03,899 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 13:35:03,899 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 13:35:03,899 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 13:35:03,899 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 13:35:03,899 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 13:35:03,899 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 13:35:03,900 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 13:35:03,900 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 13:35:03,900 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 13:35:03,900 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 13:35:03,900 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 13:35:03,900 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 13:35:03,900 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 13:35:03,900 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 13:35:03,900 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 13:35:03,900 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 13:35:03,900 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_c4555750-4633-4253-b2e4-e6ffd30bd21d/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 -> 7188c6f24541aba260187a36aa9df009a62318807d29ed8104d2cc5db8c5a63b [2024-12-02 13:35:04,151 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 13:35:04,160 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 13:35:04,162 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 13:35:04,163 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 13:35:04,164 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 13:35:04,165 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-97.i [2024-12-02 13:35:06,866 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/data/86053a3e9/ff8653ff235243f28c14a50a6ffc55a7/FLAG6cfb07015 [2024-12-02 13:35:07,053 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 13:35:07,053 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-97.i [2024-12-02 13:35:07,060 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/data/86053a3e9/ff8653ff235243f28c14a50a6ffc55a7/FLAG6cfb07015 [2024-12-02 13:35:07,414 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/data/86053a3e9/ff8653ff235243f28c14a50a6ffc55a7 [2024-12-02 13:35:07,417 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 13:35:07,418 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 13:35:07,420 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 13:35:07,420 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 13:35:07,424 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 13:35:07,424 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:35:07" (1/1) ... [2024-12-02 13:35:07,425 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8be1f95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:35:07, skipping insertion in model container [2024-12-02 13:35:07,425 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:35:07" (1/1) ... [2024-12-02 13:35:07,443 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 13:35:07,555 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_c4555750-4633-4253-b2e4-e6ffd30bd21d/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-97.i[916,929] [2024-12-02 13:35:07,605 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 13:35:07,617 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 13:35:07,627 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_c4555750-4633-4253-b2e4-e6ffd30bd21d/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-97.i[916,929] [2024-12-02 13:35:07,657 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 13:35:07,676 INFO L204 MainTranslator]: Completed translation [2024-12-02 13:35:07,676 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:35:07 WrapperNode [2024-12-02 13:35:07,676 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 13:35:07,677 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 13:35:07,677 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 13:35:07,677 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 13:35:07,682 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:35:07" (1/1) ... [2024-12-02 13:35:07,692 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:35:07" (1/1) ... [2024-12-02 13:35:07,723 INFO L138 Inliner]: procedures = 29, calls = 159, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 472 [2024-12-02 13:35:07,724 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 13:35:07,724 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 13:35:07,724 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 13:35:07,724 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 13:35:07,734 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:35:07" (1/1) ... [2024-12-02 13:35:07,734 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:35:07" (1/1) ... [2024-12-02 13:35:07,738 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:35:07" (1/1) ... [2024-12-02 13:35:07,764 INFO L175 MemorySlicer]: Split 116 memory accesses to 16 slices as follows [2, 7, 8, 6, 6, 7, 8, 10, 11, 8, 6, 7, 6, 9, 8, 7]. 9 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]. The 19 writes are split as follows [0, 3, 1, 1, 1, 2, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1]. [2024-12-02 13:35:07,764 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:35:07" (1/1) ... [2024-12-02 13:35:07,765 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:35:07" (1/1) ... [2024-12-02 13:35:07,782 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:35:07" (1/1) ... [2024-12-02 13:35:07,783 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:35:07" (1/1) ... [2024-12-02 13:35:07,788 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:35:07" (1/1) ... [2024-12-02 13:35:07,792 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:35:07" (1/1) ... [2024-12-02 13:35:07,795 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:35:07" (1/1) ... [2024-12-02 13:35:07,801 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 13:35:07,801 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 13:35:07,802 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 13:35:07,802 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 13:35:07,803 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:35:07" (1/1) ... [2024-12-02 13:35:07,809 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 13:35:07,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:35:07,840 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 13:35:07,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 13:35:07,871 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 13:35:07,871 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-12-02 13:35:07,871 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-12-02 13:35:07,871 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2024-12-02 13:35:07,871 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2024-12-02 13:35:07,871 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2024-12-02 13:35:07,871 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2024-12-02 13:35:07,871 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2024-12-02 13:35:07,871 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2024-12-02 13:35:07,871 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#8 [2024-12-02 13:35:07,871 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#9 [2024-12-02 13:35:07,872 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#10 [2024-12-02 13:35:07,872 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#11 [2024-12-02 13:35:07,872 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#12 [2024-12-02 13:35:07,872 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#13 [2024-12-02 13:35:07,872 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#14 [2024-12-02 13:35:07,872 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#15 [2024-12-02 13:35:07,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-12-02 13:35:07,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-12-02 13:35:07,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-12-02 13:35:07,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-12-02 13:35:07,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-12-02 13:35:07,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-12-02 13:35:07,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-12-02 13:35:07,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-12-02 13:35:07,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-12-02 13:35:07,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-12-02 13:35:07,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-12-02 13:35:07,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-12-02 13:35:07,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-12-02 13:35:07,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-12-02 13:35:07,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-12-02 13:35:07,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-12-02 13:35:07,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2024-12-02 13:35:07,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2024-12-02 13:35:07,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2024-12-02 13:35:07,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2024-12-02 13:35:07,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2024-12-02 13:35:07,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2024-12-02 13:35:07,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#6 [2024-12-02 13:35:07,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#7 [2024-12-02 13:35:07,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#8 [2024-12-02 13:35:07,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#9 [2024-12-02 13:35:07,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#10 [2024-12-02 13:35:07,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#11 [2024-12-02 13:35:07,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#12 [2024-12-02 13:35:07,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#13 [2024-12-02 13:35:07,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#14 [2024-12-02 13:35:07,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#15 [2024-12-02 13:35:07,874 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-12-02 13:35:07,874 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-12-02 13:35:07,874 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-12-02 13:35:07,874 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-12-02 13:35:07,874 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-12-02 13:35:07,874 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-12-02 13:35:07,874 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-12-02 13:35:07,874 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-12-02 13:35:07,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-12-02 13:35:07,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-12-02 13:35:07,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-12-02 13:35:07,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-12-02 13:35:07,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-12-02 13:35:07,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-12-02 13:35:07,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-12-02 13:35:07,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-12-02 13:35:07,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2024-12-02 13:35:07,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2024-12-02 13:35:07,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2024-12-02 13:35:07,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2024-12-02 13:35:07,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2024-12-02 13:35:07,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#5 [2024-12-02 13:35:07,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#6 [2024-12-02 13:35:07,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#7 [2024-12-02 13:35:07,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#8 [2024-12-02 13:35:07,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#9 [2024-12-02 13:35:07,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#10 [2024-12-02 13:35:07,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#11 [2024-12-02 13:35:07,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#12 [2024-12-02 13:35:07,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#13 [2024-12-02 13:35:07,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#14 [2024-12-02 13:35:07,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#15 [2024-12-02 13:35:07,876 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 13:35:07,876 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 13:35:07,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 13:35:07,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-02 13:35:07,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-12-02 13:35:07,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-12-02 13:35:07,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-12-02 13:35:07,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-12-02 13:35:07,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-12-02 13:35:07,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-12-02 13:35:07,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-12-02 13:35:07,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-12-02 13:35:07,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-12-02 13:35:07,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-12-02 13:35:07,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-12-02 13:35:07,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-12-02 13:35:07,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-12-02 13:35:07,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-12-02 13:35:07,878 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 13:35:07,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 13:35:08,077 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 13:35:08,079 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 13:35:08,539 INFO L? ?]: Removed 86 outVars from TransFormulas that were not future-live. [2024-12-02 13:35:08,539 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 13:35:08,550 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 13:35:08,550 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 13:35:08,551 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:35:08 BoogieIcfgContainer [2024-12-02 13:35:08,551 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 13:35:08,553 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 13:35:08,553 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 13:35:08,557 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 13:35:08,558 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 01:35:07" (1/3) ... [2024-12-02 13:35:08,558 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@315c6e64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:35:08, skipping insertion in model container [2024-12-02 13:35:08,558 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:35:07" (2/3) ... [2024-12-02 13:35:08,559 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@315c6e64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:35:08, skipping insertion in model container [2024-12-02 13:35:08,559 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:35:08" (3/3) ... [2024-12-02 13:35:08,560 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-p_file-97.i [2024-12-02 13:35:08,575 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 13:35:08,577 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-p_file-97.i that has 2 procedures, 108 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 13:35:08,643 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 13:35:08,657 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;@6bb5dd66, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 13:35:08,657 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 13:35:08,662 INFO L276 IsEmpty]: Start isEmpty. Operand has 108 states, 88 states have (on average 1.3977272727272727) internal successors, (123), 89 states have internal predecessors, (123), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-12-02 13:35:08,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-12-02 13:35:08,675 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:35:08,676 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:35:08,676 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:35:08,682 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:35:08,682 INFO L85 PathProgramCache]: Analyzing trace with hash 414475226, now seen corresponding path program 1 times [2024-12-02 13:35:08,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:35:08,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666746615] [2024-12-02 13:35:08,692 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:35:08,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:35:08,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:35:09,014 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 512 trivial. 0 not checked. [2024-12-02 13:35:09,014 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:35:09,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1666746615] [2024-12-02 13:35:09,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1666746615] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 13:35:09,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1917968139] [2024-12-02 13:35:09,015 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:35:09,015 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:35:09,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:35:09,020 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 13:35:09,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 13:35:09,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:35:09,336 INFO L256 TraceCheckSpWp]: Trace formula consists of 615 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 13:35:09,344 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:35:09,365 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 512 trivial. 0 not checked. [2024-12-02 13:35:09,365 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:35:09,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1917968139] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:35:09,365 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 13:35:09,366 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-12-02 13:35:09,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968768059] [2024-12-02 13:35:09,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:35:09,372 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 13:35:09,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:35:09,386 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 13:35:09,386 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 13:35:09,389 INFO L87 Difference]: Start difference. First operand has 108 states, 88 states have (on average 1.3977272727272727) internal successors, (123), 89 states have internal predecessors, (123), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) Second operand has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2024-12-02 13:35:09,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:35:09,414 INFO L93 Difference]: Finished difference Result 209 states and 325 transitions. [2024-12-02 13:35:09,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 13:35:09,415 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) Word has length 134 [2024-12-02 13:35:09,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:35:09,422 INFO L225 Difference]: With dead ends: 209 [2024-12-02 13:35:09,422 INFO L226 Difference]: Without dead ends: 104 [2024-12-02 13:35:09,425 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 13:35:09,428 INFO L435 NwaCegarLoop]: 150 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, 150 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 13:35:09,429 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 150 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 13:35:09,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2024-12-02 13:35:09,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2024-12-02 13:35:09,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 85 states have (on average 1.3647058823529412) internal successors, (116), 85 states have internal predecessors, (116), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-12-02 13:35:09,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 150 transitions. [2024-12-02 13:35:09,465 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 150 transitions. Word has length 134 [2024-12-02 13:35:09,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:35:09,465 INFO L471 AbstractCegarLoop]: Abstraction has 104 states and 150 transitions. [2024-12-02 13:35:09,466 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2024-12-02 13:35:09,466 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 150 transitions. [2024-12-02 13:35:09,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-12-02 13:35:09,468 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:35:09,468 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:35:09,475 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 13:35:09,669 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-12-02 13:35:09,669 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:35:09,669 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:35:09,670 INFO L85 PathProgramCache]: Analyzing trace with hash 560492216, now seen corresponding path program 1 times [2024-12-02 13:35:09,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:35:09,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506518771] [2024-12-02 13:35:09,670 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:35:09,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:35:09,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:35:10,162 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 42 proven. 6 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2024-12-02 13:35:10,162 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:35:10,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506518771] [2024-12-02 13:35:10,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1506518771] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 13:35:10,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1097024371] [2024-12-02 13:35:10,163 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:35:10,163 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:35:10,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:35:10,165 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 13:35:10,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 13:35:10,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:35:10,487 INFO L256 TraceCheckSpWp]: Trace formula consists of 615 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 13:35:10,494 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:35:10,544 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 13:35:10,545 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:35:10,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1097024371] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:35:10,545 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 13:35:10,545 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 8 [2024-12-02 13:35:10,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [984519268] [2024-12-02 13:35:10,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:35:10,546 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 13:35:10,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:35:10,547 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 13:35:10,547 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-12-02 13:35:10,548 INFO L87 Difference]: Start difference. First operand 104 states and 150 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:35:10,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:35:10,596 INFO L93 Difference]: Finished difference Result 208 states and 301 transitions. [2024-12-02 13:35:10,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 13:35:10,596 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 134 [2024-12-02 13:35:10,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:35:10,598 INFO L225 Difference]: With dead ends: 208 [2024-12-02 13:35:10,599 INFO L226 Difference]: Without dead ends: 107 [2024-12-02 13:35:10,599 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 134 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 13:35:10,600 INFO L435 NwaCegarLoop]: 147 mSDtfsCounter, 1 mSDsluCounter, 283 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 430 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 13:35:10,600 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 430 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 13:35:10,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2024-12-02 13:35:10,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 106. [2024-12-02 13:35:10,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 87 states have (on average 1.3563218390804597) internal successors, (118), 87 states have internal predecessors, (118), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-12-02 13:35:10,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 152 transitions. [2024-12-02 13:35:10,613 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 152 transitions. Word has length 134 [2024-12-02 13:35:10,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:35:10,615 INFO L471 AbstractCegarLoop]: Abstraction has 106 states and 152 transitions. [2024-12-02 13:35:10,615 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:35:10,615 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 152 transitions. [2024-12-02 13:35:10,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-12-02 13:35:10,618 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:35:10,618 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:35:10,628 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-02 13:35:10,818 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:35:10,819 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:35:10,819 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:35:10,819 INFO L85 PathProgramCache]: Analyzing trace with hash 1240550586, now seen corresponding path program 1 times [2024-12-02 13:35:10,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:35:10,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2141787060] [2024-12-02 13:35:10,820 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:35:10,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:35:10,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:35:11,092 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 42 proven. 6 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2024-12-02 13:35:11,092 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:35:11,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2141787060] [2024-12-02 13:35:11,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2141787060] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 13:35:11,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1505269486] [2024-12-02 13:35:11,092 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:35:11,092 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:35:11,092 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:35:11,094 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 13:35:11,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-02 13:35:11,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:35:11,372 INFO L256 TraceCheckSpWp]: Trace formula consists of 610 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 13:35:11,375 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:35:11,405 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 13:35:11,405 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:35:11,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1505269486] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:35:11,405 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 13:35:11,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 8 [2024-12-02 13:35:11,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120790988] [2024-12-02 13:35:11,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:35:11,406 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 13:35:11,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:35:11,407 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 13:35:11,407 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-12-02 13:35:11,408 INFO L87 Difference]: Start difference. First operand 106 states and 152 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:35:11,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:35:11,444 INFO L93 Difference]: Finished difference Result 212 states and 305 transitions. [2024-12-02 13:35:11,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 13:35:11,445 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 134 [2024-12-02 13:35:11,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:35:11,447 INFO L225 Difference]: With dead ends: 212 [2024-12-02 13:35:11,447 INFO L226 Difference]: Without dead ends: 109 [2024-12-02 13:35:11,448 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 134 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 13:35:11,448 INFO L435 NwaCegarLoop]: 147 mSDtfsCounter, 1 mSDsluCounter, 284 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 431 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 13:35:11,449 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 431 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 13:35:11,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2024-12-02 13:35:11,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 108. [2024-12-02 13:35:11,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 89 states have (on average 1.348314606741573) internal successors, (120), 89 states have internal predecessors, (120), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-12-02 13:35:11,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 154 transitions. [2024-12-02 13:35:11,459 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 154 transitions. Word has length 134 [2024-12-02 13:35:11,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:35:11,460 INFO L471 AbstractCegarLoop]: Abstraction has 108 states and 154 transitions. [2024-12-02 13:35:11,460 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:35:11,460 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 154 transitions. [2024-12-02 13:35:11,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-12-02 13:35:11,462 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:35:11,462 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:35:11,470 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-12-02 13:35:11,663 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:35:11,663 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:35:11,664 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:35:11,664 INFO L85 PathProgramCache]: Analyzing trace with hash -1279409348, now seen corresponding path program 1 times [2024-12-02 13:35:11,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:35:11,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1710614663] [2024-12-02 13:35:11,664 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:35:11,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:35:11,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:35:11,848 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 42 proven. 6 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2024-12-02 13:35:11,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:35:11,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1710614663] [2024-12-02 13:35:11,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1710614663] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 13:35:11,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1708853833] [2024-12-02 13:35:11,848 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:35:11,848 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:35:11,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:35:11,850 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 13:35:11,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-12-02 13:35:12,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:35:12,123 INFO L256 TraceCheckSpWp]: Trace formula consists of 606 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 13:35:12,127 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:35:12,153 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 13:35:12,153 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:35:12,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1708853833] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:35:12,153 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 13:35:12,153 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 8 [2024-12-02 13:35:12,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668811092] [2024-12-02 13:35:12,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:35:12,154 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 13:35:12,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:35:12,154 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 13:35:12,154 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-12-02 13:35:12,155 INFO L87 Difference]: Start difference. First operand 108 states and 154 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:35:12,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:35:12,179 INFO L93 Difference]: Finished difference Result 216 states and 309 transitions. [2024-12-02 13:35:12,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 13:35:12,179 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 134 [2024-12-02 13:35:12,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:35:12,181 INFO L225 Difference]: With dead ends: 216 [2024-12-02 13:35:12,181 INFO L226 Difference]: Without dead ends: 111 [2024-12-02 13:35:12,182 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 134 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 13:35:12,182 INFO L435 NwaCegarLoop]: 147 mSDtfsCounter, 1 mSDsluCounter, 286 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 433 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 13:35:12,183 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 433 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 13:35:12,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2024-12-02 13:35:12,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 110. [2024-12-02 13:35:12,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 91 states have (on average 1.3406593406593406) internal successors, (122), 91 states have internal predecessors, (122), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-12-02 13:35:12,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 156 transitions. [2024-12-02 13:35:12,191 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 156 transitions. Word has length 134 [2024-12-02 13:35:12,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:35:12,192 INFO L471 AbstractCegarLoop]: Abstraction has 110 states and 156 transitions. [2024-12-02 13:35:12,192 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:35:12,192 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 156 transitions. [2024-12-02 13:35:12,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-12-02 13:35:12,194 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:35:12,194 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:35:12,203 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-12-02 13:35:12,394 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:35:12,394 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:35:12,395 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:35:12,395 INFO L85 PathProgramCache]: Analyzing trace with hash -1277562306, now seen corresponding path program 1 times [2024-12-02 13:35:12,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:35:12,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2039785232] [2024-12-02 13:35:12,395 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:35:12,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:35:12,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:35:12,626 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 42 proven. 6 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2024-12-02 13:35:12,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:35:12,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2039785232] [2024-12-02 13:35:12,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2039785232] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 13:35:12,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1625669408] [2024-12-02 13:35:12,626 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:35:12,627 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:35:12,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:35:12,629 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 13:35:12,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-12-02 13:35:12,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:35:12,888 INFO L256 TraceCheckSpWp]: Trace formula consists of 601 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 13:35:12,892 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:35:12,922 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 13:35:12,922 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:35:12,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1625669408] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:35:12,923 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 13:35:12,923 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 7 [2024-12-02 13:35:12,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619338608] [2024-12-02 13:35:12,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:35:12,923 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 13:35:12,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:35:12,924 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 13:35:12,924 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-12-02 13:35:12,924 INFO L87 Difference]: Start difference. First operand 110 states and 156 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:35:12,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:35:12,948 INFO L93 Difference]: Finished difference Result 219 states and 312 transitions. [2024-12-02 13:35:12,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 13:35:12,949 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 134 [2024-12-02 13:35:12,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:35:12,950 INFO L225 Difference]: With dead ends: 219 [2024-12-02 13:35:12,950 INFO L226 Difference]: Without dead ends: 112 [2024-12-02 13:35:12,951 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-12-02 13:35:12,952 INFO L435 NwaCegarLoop]: 148 mSDtfsCounter, 0 mSDsluCounter, 285 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 433 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 13:35:12,952 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 433 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 13:35:12,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2024-12-02 13:35:12,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2024-12-02 13:35:12,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 93 states have (on average 1.3333333333333333) internal successors, (124), 93 states have internal predecessors, (124), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-12-02 13:35:12,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 158 transitions. [2024-12-02 13:35:12,964 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 158 transitions. Word has length 134 [2024-12-02 13:35:12,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:35:12,965 INFO L471 AbstractCegarLoop]: Abstraction has 112 states and 158 transitions. [2024-12-02 13:35:12,965 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:35:12,965 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 158 transitions. [2024-12-02 13:35:12,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-12-02 13:35:12,966 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:35:12,967 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:35:12,978 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-12-02 13:35:13,167 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:35:13,167 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:35:13,168 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:35:13,168 INFO L85 PathProgramCache]: Analyzing trace with hash 2067265744, now seen corresponding path program 1 times [2024-12-02 13:35:13,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:35:13,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [630622941] [2024-12-02 13:35:13,168 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:35:13,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:35:13,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:35:13,775 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 13:35:13,775 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:35:13,775 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [630622941] [2024-12-02 13:35:13,775 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [630622941] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:35:13,775 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:35:13,775 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 13:35:13,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293115543] [2024-12-02 13:35:13,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:35:13,776 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 13:35:13,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:35:13,777 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 13:35:13,777 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-12-02 13:35:13,777 INFO L87 Difference]: Start difference. First operand 112 states and 158 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:35:14,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:35:14,097 INFO L93 Difference]: Finished difference Result 312 states and 439 transitions. [2024-12-02 13:35:14,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 13:35:14,098 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 136 [2024-12-02 13:35:14,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:35:14,100 INFO L225 Difference]: With dead ends: 312 [2024-12-02 13:35:14,100 INFO L226 Difference]: Without dead ends: 203 [2024-12-02 13:35:14,100 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-12-02 13:35:14,101 INFO L435 NwaCegarLoop]: 208 mSDtfsCounter, 307 mSDsluCounter, 445 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 307 SdHoareTripleChecker+Valid, 653 SdHoareTripleChecker+Invalid, 168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 13:35:14,101 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [307 Valid, 653 Invalid, 168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 13:35:14,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2024-12-02 13:35:14,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 114. [2024-12-02 13:35:14,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 95 states have (on average 1.3263157894736841) internal successors, (126), 95 states have internal predecessors, (126), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-12-02 13:35:14,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 160 transitions. [2024-12-02 13:35:14,115 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 160 transitions. Word has length 136 [2024-12-02 13:35:14,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:35:14,116 INFO L471 AbstractCegarLoop]: Abstraction has 114 states and 160 transitions. [2024-12-02 13:35:14,116 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:35:14,116 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 160 transitions. [2024-12-02 13:35:14,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-12-02 13:35:14,118 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:35:14,119 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:35:14,119 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 13:35:14,119 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:35:14,119 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:35:14,119 INFO L85 PathProgramCache]: Analyzing trace with hash -1301438311, now seen corresponding path program 1 times [2024-12-02 13:35:14,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:35:14,120 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [236757423] [2024-12-02 13:35:14,120 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:35:14,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:35:14,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:35:15,067 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 36 proven. 12 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2024-12-02 13:35:15,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:35:15,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [236757423] [2024-12-02 13:35:15,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [236757423] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 13:35:15,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1744561154] [2024-12-02 13:35:15,068 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:35:15,068 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:35:15,068 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:35:15,070 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 13:35:15,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-12-02 13:35:15,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:35:15,434 INFO L256 TraceCheckSpWp]: Trace formula consists of 616 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-12-02 13:35:15,441 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:35:15,822 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 13:35:15,969 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 13:35:15,993 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 11 treesize of output 7 [2024-12-02 13:35:16,020 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 4 proven. 252 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-12-02 13:35:16,020 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:35:16,078 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 24 treesize of output 20 [2024-12-02 13:35:16,091 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 13:35:16,092 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 36 [2024-12-02 13:35:16,342 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 13:35:16,495 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 36 proven. 12 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2024-12-02 13:35:16,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1744561154] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 13:35:16,495 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 13:35:16,495 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 10] total 18 [2024-12-02 13:35:16,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318277678] [2024-12-02 13:35:16,495 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 13:35:16,496 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-12-02 13:35:16,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:35:16,497 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-12-02 13:35:16,497 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=255, Unknown=0, NotChecked=0, Total=306 [2024-12-02 13:35:16,497 INFO L87 Difference]: Start difference. First operand 114 states and 160 transitions. Second operand has 18 states, 15 states have (on average 5.066666666666666) internal successors, (76), 17 states have internal predecessors, (76), 5 states have call successors, (35), 3 states have call predecessors, (35), 5 states have return successors, (35), 3 states have call predecessors, (35), 5 states have call successors, (35) [2024-12-02 13:35:17,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:35:17,320 INFO L93 Difference]: Finished difference Result 348 states and 484 transitions. [2024-12-02 13:35:17,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-12-02 13:35:17,320 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 15 states have (on average 5.066666666666666) internal successors, (76), 17 states have internal predecessors, (76), 5 states have call successors, (35), 3 states have call predecessors, (35), 5 states have return successors, (35), 3 states have call predecessors, (35), 5 states have call successors, (35) Word has length 136 [2024-12-02 13:35:17,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:35:17,322 INFO L225 Difference]: With dead ends: 348 [2024-12-02 13:35:17,322 INFO L226 Difference]: Without dead ends: 237 [2024-12-02 13:35:17,323 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 303 GetRequests, 265 SyntacticMatches, 2 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 231 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=288, Invalid=1118, Unknown=0, NotChecked=0, Total=1406 [2024-12-02 13:35:17,324 INFO L435 NwaCegarLoop]: 162 mSDtfsCounter, 713 mSDsluCounter, 1024 mSDsCounter, 0 mSdLazyCounter, 353 mSolverCounterSat, 210 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 713 SdHoareTripleChecker+Valid, 1186 SdHoareTripleChecker+Invalid, 563 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 210 IncrementalHoareTripleChecker+Valid, 353 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 13:35:17,324 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [713 Valid, 1186 Invalid, 563 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [210 Valid, 353 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 13:35:17,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2024-12-02 13:35:17,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 129. [2024-12-02 13:35:17,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 109 states have (on average 1.3302752293577982) internal successors, (145), 109 states have internal predecessors, (145), 17 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-12-02 13:35:17,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 179 transitions. [2024-12-02 13:35:17,339 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 179 transitions. Word has length 136 [2024-12-02 13:35:17,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:35:17,339 INFO L471 AbstractCegarLoop]: Abstraction has 129 states and 179 transitions. [2024-12-02 13:35:17,339 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 15 states have (on average 5.066666666666666) internal successors, (76), 17 states have internal predecessors, (76), 5 states have call successors, (35), 3 states have call predecessors, (35), 5 states have return successors, (35), 3 states have call predecessors, (35), 5 states have call successors, (35) [2024-12-02 13:35:17,339 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 179 transitions. [2024-12-02 13:35:17,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-12-02 13:35:17,341 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:35:17,341 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:35:17,352 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-12-02 13:35:17,542 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-12-02 13:35:17,542 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:35:17,542 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:35:17,542 INFO L85 PathProgramCache]: Analyzing trace with hash -1435451817, now seen corresponding path program 1 times [2024-12-02 13:35:17,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:35:17,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439167611] [2024-12-02 13:35:17,543 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:35:17,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:35:17,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:35:17,934 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 30 proven. 18 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2024-12-02 13:35:17,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:35:17,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [439167611] [2024-12-02 13:35:17,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [439167611] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 13:35:17,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [492327805] [2024-12-02 13:35:17,935 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:35:17,935 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:35:17,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:35:17,937 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 13:35:17,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-12-02 13:35:18,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:35:18,221 INFO L256 TraceCheckSpWp]: Trace formula consists of 613 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-12-02 13:35:18,226 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:35:18,444 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 15 treesize of output 1 [2024-12-02 13:35:18,589 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 13:35:18,598 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 6 proven. 298 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2024-12-02 13:35:18,598 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:35:18,781 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 13:35:18,903 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 30 proven. 18 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2024-12-02 13:35:18,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [492327805] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 13:35:18,903 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 13:35:18,903 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 8] total 13 [2024-12-02 13:35:18,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186377908] [2024-12-02 13:35:18,904 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 13:35:18,904 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-12-02 13:35:18,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:35:18,905 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-12-02 13:35:18,905 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2024-12-02 13:35:18,905 INFO L87 Difference]: Start difference. First operand 129 states and 179 transitions. Second operand has 13 states, 10 states have (on average 6.9) internal successors, (69), 12 states have internal predecessors, (69), 5 states have call successors, (35), 3 states have call predecessors, (35), 5 states have return successors, (35), 3 states have call predecessors, (35), 5 states have call successors, (35) [2024-12-02 13:35:19,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:35:19,362 INFO L93 Difference]: Finished difference Result 282 states and 391 transitions. [2024-12-02 13:35:19,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 13:35:19,362 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 10 states have (on average 6.9) internal successors, (69), 12 states have internal predecessors, (69), 5 states have call successors, (35), 3 states have call predecessors, (35), 5 states have return successors, (35), 3 states have call predecessors, (35), 5 states have call successors, (35) Word has length 136 [2024-12-02 13:35:19,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:35:19,364 INFO L225 Difference]: With dead ends: 282 [2024-12-02 13:35:19,364 INFO L226 Difference]: Without dead ends: 156 [2024-12-02 13:35:19,365 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 289 GetRequests, 267 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=121, Invalid=341, Unknown=0, NotChecked=0, Total=462 [2024-12-02 13:35:19,365 INFO L435 NwaCegarLoop]: 147 mSDtfsCounter, 210 mSDsluCounter, 610 mSDsCounter, 0 mSdLazyCounter, 345 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 210 SdHoareTripleChecker+Valid, 757 SdHoareTripleChecker+Invalid, 393 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 345 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 13:35:19,365 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [210 Valid, 757 Invalid, 393 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 345 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 13:35:19,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2024-12-02 13:35:19,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 153. [2024-12-02 13:35:19,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 122 states have (on average 1.2868852459016393) internal successors, (157), 123 states have internal predecessors, (157), 27 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (27), 26 states have call predecessors, (27), 27 states have call successors, (27) [2024-12-02 13:35:19,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 211 transitions. [2024-12-02 13:35:19,384 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 211 transitions. Word has length 136 [2024-12-02 13:35:19,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:35:19,385 INFO L471 AbstractCegarLoop]: Abstraction has 153 states and 211 transitions. [2024-12-02 13:35:19,385 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 10 states have (on average 6.9) internal successors, (69), 12 states have internal predecessors, (69), 5 states have call successors, (35), 3 states have call predecessors, (35), 5 states have return successors, (35), 3 states have call predecessors, (35), 5 states have call successors, (35) [2024-12-02 13:35:19,385 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 211 transitions. [2024-12-02 13:35:19,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-12-02 13:35:19,387 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:35:19,387 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:35:19,399 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-12-02 13:35:19,587 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-12-02 13:35:19,588 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:35:19,588 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:35:19,588 INFO L85 PathProgramCache]: Analyzing trace with hash -940581760, now seen corresponding path program 1 times [2024-12-02 13:35:19,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:35:19,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [388010503] [2024-12-02 13:35:19,588 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:35:19,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:35:19,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:35:20,141 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 30 proven. 18 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2024-12-02 13:35:20,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:35:20,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [388010503] [2024-12-02 13:35:20,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [388010503] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 13:35:20,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1590253325] [2024-12-02 13:35:20,142 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:35:20,142 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:35:20,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:35:20,144 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 13:35:20,145 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-12-02 13:35:20,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:35:20,493 INFO L256 TraceCheckSpWp]: Trace formula consists of 617 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-02 13:35:20,497 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:35:20,531 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 13:35:20,703 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 217 treesize of output 177 [2024-12-02 13:35:20,708 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 177 treesize of output 137 [2024-12-02 13:35:20,713 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 137 treesize of output 113 [2024-12-02 13:35:20,767 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 13:35:20,767 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:35:20,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1590253325] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:35:20,767 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 13:35:20,767 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [11] total 15 [2024-12-02 13:35:20,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556513382] [2024-12-02 13:35:20,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:35:20,768 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 13:35:20,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:35:20,768 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 13:35:20,768 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=182, Unknown=0, NotChecked=0, Total=210 [2024-12-02 13:35:20,769 INFO L87 Difference]: Start difference. First operand 153 states and 211 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:35:20,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:35:20,928 INFO L93 Difference]: Finished difference Result 357 states and 488 transitions. [2024-12-02 13:35:20,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 13:35:20,929 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 136 [2024-12-02 13:35:20,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:35:20,932 INFO L225 Difference]: With dead ends: 357 [2024-12-02 13:35:20,932 INFO L226 Difference]: Without dead ends: 228 [2024-12-02 13:35:20,932 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=266, Unknown=0, NotChecked=0, Total=306 [2024-12-02 13:35:20,933 INFO L435 NwaCegarLoop]: 162 mSDtfsCounter, 80 mSDsluCounter, 604 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 766 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 13:35:20,933 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 766 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 13:35:20,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2024-12-02 13:35:20,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 225. [2024-12-02 13:35:20,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 225 states, 187 states have (on average 1.2941176470588236) internal successors, (242), 189 states have internal predecessors, (242), 33 states have call successors, (33), 4 states have call predecessors, (33), 4 states have return successors, (33), 31 states have call predecessors, (33), 33 states have call successors, (33) [2024-12-02 13:35:20,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 308 transitions. [2024-12-02 13:35:20,950 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 308 transitions. Word has length 136 [2024-12-02 13:35:20,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:35:20,950 INFO L471 AbstractCegarLoop]: Abstraction has 225 states and 308 transitions. [2024-12-02 13:35:20,950 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:35:20,950 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 308 transitions. [2024-12-02 13:35:20,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-12-02 13:35:20,951 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:35:20,951 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:35:20,961 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-12-02 13:35:21,152 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:35:21,152 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:35:21,152 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:35:21,152 INFO L85 PathProgramCache]: Analyzing trace with hash 1558728417, now seen corresponding path program 1 times [2024-12-02 13:35:21,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:35:21,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011934308] [2024-12-02 13:35:21,153 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:35:21,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:35:21,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:35:21,425 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 13:35:21,425 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:35:21,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1011934308] [2024-12-02 13:35:21,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1011934308] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:35:21,426 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:35:21,426 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 13:35:21,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751374279] [2024-12-02 13:35:21,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:35:21,426 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 13:35:21,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:35:21,427 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 13:35:21,427 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 13:35:21,427 INFO L87 Difference]: Start difference. First operand 225 states and 308 transitions. Second operand has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:35:21,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:35:21,542 INFO L93 Difference]: Finished difference Result 633 states and 864 transitions. [2024-12-02 13:35:21,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 13:35:21,543 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 137 [2024-12-02 13:35:21,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:35:21,545 INFO L225 Difference]: With dead ends: 633 [2024-12-02 13:35:21,545 INFO L226 Difference]: Without dead ends: 432 [2024-12-02 13:35:21,546 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-12-02 13:35:21,547 INFO L435 NwaCegarLoop]: 277 mSDtfsCounter, 144 mSDsluCounter, 944 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 1221 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 13:35:21,547 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 1221 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 13:35:21,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 432 states. [2024-12-02 13:35:21,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 432 to 408. [2024-12-02 13:35:21,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 408 states, 343 states have (on average 1.2944606413994169) internal successors, (444), 346 states have internal predecessors, (444), 56 states have call successors, (56), 8 states have call predecessors, (56), 8 states have return successors, (56), 53 states have call predecessors, (56), 56 states have call successors, (56) [2024-12-02 13:35:21,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 408 states and 556 transitions. [2024-12-02 13:35:21,587 INFO L78 Accepts]: Start accepts. Automaton has 408 states and 556 transitions. Word has length 137 [2024-12-02 13:35:21,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:35:21,587 INFO L471 AbstractCegarLoop]: Abstraction has 408 states and 556 transitions. [2024-12-02 13:35:21,587 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:35:21,587 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 556 transitions. [2024-12-02 13:35:21,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-12-02 13:35:21,589 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:35:21,590 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:35:21,590 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-12-02 13:35:21,590 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:35:21,590 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:35:21,591 INFO L85 PathProgramCache]: Analyzing trace with hash 448387173, now seen corresponding path program 1 times [2024-12-02 13:35:21,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:35:21,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845479318] [2024-12-02 13:35:21,591 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:35:21,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:35:21,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:35:21,811 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 13:35:21,811 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:35:21,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [845479318] [2024-12-02 13:35:21,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [845479318] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:35:21,812 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:35:21,812 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 13:35:21,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405311331] [2024-12-02 13:35:21,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:35:21,812 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:35:21,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:35:21,813 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:35:21,813 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:35:21,813 INFO L87 Difference]: Start difference. First operand 408 states and 556 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:35:22,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:35:22,030 INFO L93 Difference]: Finished difference Result 940 states and 1273 transitions. [2024-12-02 13:35:22,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 13:35:22,031 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 138 [2024-12-02 13:35:22,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:35:22,035 INFO L225 Difference]: With dead ends: 940 [2024-12-02 13:35:22,035 INFO L226 Difference]: Without dead ends: 556 [2024-12-02 13:35:22,036 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-12-02 13:35:22,037 INFO L435 NwaCegarLoop]: 258 mSDtfsCounter, 117 mSDsluCounter, 594 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 852 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 13:35:22,037 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [117 Valid, 852 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 13:35:22,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 556 states. [2024-12-02 13:35:22,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 556 to 552. [2024-12-02 13:35:22,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 552 states, 460 states have (on average 1.2782608695652173) internal successors, (588), 465 states have internal predecessors, (588), 79 states have call successors, (79), 12 states have call predecessors, (79), 12 states have return successors, (79), 74 states have call predecessors, (79), 79 states have call successors, (79) [2024-12-02 13:35:22,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 552 states and 746 transitions. [2024-12-02 13:35:22,131 INFO L78 Accepts]: Start accepts. Automaton has 552 states and 746 transitions. Word has length 138 [2024-12-02 13:35:22,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:35:22,132 INFO L471 AbstractCegarLoop]: Abstraction has 552 states and 746 transitions. [2024-12-02 13:35:22,132 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:35:22,132 INFO L276 IsEmpty]: Start isEmpty. Operand 552 states and 746 transitions. [2024-12-02 13:35:22,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-12-02 13:35:22,134 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:35:22,134 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:35:22,134 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-12-02 13:35:22,135 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:35:22,135 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:35:22,135 INFO L85 PathProgramCache]: Analyzing trace with hash -1803569688, now seen corresponding path program 1 times [2024-12-02 13:35:22,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:35:22,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2069110458] [2024-12-02 13:35:22,135 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:35:22,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:35:22,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:35:22,322 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 13:35:22,322 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:35:22,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2069110458] [2024-12-02 13:35:22,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2069110458] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:35:22,322 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:35:22,322 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 13:35:22,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629821048] [2024-12-02 13:35:22,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:35:22,323 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:35:22,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:35:22,323 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:35:22,323 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:35:22,323 INFO L87 Difference]: Start difference. First operand 552 states and 746 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:35:22,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:35:22,510 INFO L93 Difference]: Finished difference Result 1251 states and 1679 transitions. [2024-12-02 13:35:22,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 13:35:22,511 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 139 [2024-12-02 13:35:22,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:35:22,514 INFO L225 Difference]: With dead ends: 1251 [2024-12-02 13:35:22,515 INFO L226 Difference]: Without dead ends: 723 [2024-12-02 13:35:22,516 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-12-02 13:35:22,516 INFO L435 NwaCegarLoop]: 186 mSDtfsCounter, 114 mSDsluCounter, 453 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 639 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 13:35:22,517 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 639 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 13:35:22,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 723 states. [2024-12-02 13:35:22,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 723 to 264. [2024-12-02 13:35:22,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 264 states, 216 states have (on average 1.2685185185185186) internal successors, (274), 218 states have internal predecessors, (274), 40 states have call successors, (40), 7 states have call predecessors, (40), 7 states have return successors, (40), 38 states have call predecessors, (40), 40 states have call successors, (40) [2024-12-02 13:35:22,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 354 transitions. [2024-12-02 13:35:22,568 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 354 transitions. Word has length 139 [2024-12-02 13:35:22,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:35:22,569 INFO L471 AbstractCegarLoop]: Abstraction has 264 states and 354 transitions. [2024-12-02 13:35:22,569 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:35:22,569 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 354 transitions. [2024-12-02 13:35:22,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-12-02 13:35:22,570 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:35:22,570 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:35:22,570 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-12-02 13:35:22,570 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:35:22,571 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:35:22,571 INFO L85 PathProgramCache]: Analyzing trace with hash 1390692475, now seen corresponding path program 1 times [2024-12-02 13:35:22,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:35:22,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508919031] [2024-12-02 13:35:22,571 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:35:22,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:35:22,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:35:23,247 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 30 proven. 18 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2024-12-02 13:35:23,247 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:35:23,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508919031] [2024-12-02 13:35:23,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [508919031] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 13:35:23,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [49996849] [2024-12-02 13:35:23,247 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:35:23,247 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:35:23,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:35:23,249 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 13:35:23,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-12-02 13:35:23,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:35:23,491 INFO L256 TraceCheckSpWp]: Trace formula consists of 617 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-02 13:35:23,495 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:35:23,647 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 13:35:23,744 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 17 [2024-12-02 13:35:23,748 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 13:35:23,778 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 13:35:23,796 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 288 refuted. 0 times theorem prover too weak. 256 trivial. 0 not checked. [2024-12-02 13:35:23,796 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:35:23,898 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 32 treesize of output 28 [2024-12-02 13:35:23,976 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 13:35:23,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [49996849] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 13:35:23,976 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-12-02 13:35:23,976 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [12, 5] total 19 [2024-12-02 13:35:23,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344624859] [2024-12-02 13:35:23,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:35:23,977 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 13:35:23,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:35:23,977 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 13:35:23,977 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=302, Unknown=0, NotChecked=0, Total=342 [2024-12-02 13:35:23,977 INFO L87 Difference]: Start difference. First operand 264 states and 354 transitions. Second operand has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-12-02 13:35:24,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:35:24,140 INFO L93 Difference]: Finished difference Result 473 states and 636 transitions. [2024-12-02 13:35:24,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 13:35:24,141 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 139 [2024-12-02 13:35:24,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:35:24,142 INFO L225 Difference]: With dead ends: 473 [2024-12-02 13:35:24,142 INFO L226 Difference]: Without dead ends: 264 [2024-12-02 13:35:24,143 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 291 GetRequests, 272 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=368, Unknown=0, NotChecked=0, Total=420 [2024-12-02 13:35:24,143 INFO L435 NwaCegarLoop]: 132 mSDtfsCounter, 312 mSDsluCounter, 129 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 312 SdHoareTripleChecker+Valid, 261 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 13:35:24,144 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [312 Valid, 261 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 13:35:24,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2024-12-02 13:35:24,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 264. [2024-12-02 13:35:24,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 264 states, 216 states have (on average 1.2592592592592593) internal successors, (272), 218 states have internal predecessors, (272), 40 states have call successors, (40), 7 states have call predecessors, (40), 7 states have return successors, (40), 38 states have call predecessors, (40), 40 states have call successors, (40) [2024-12-02 13:35:24,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 352 transitions. [2024-12-02 13:35:24,167 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 352 transitions. Word has length 139 [2024-12-02 13:35:24,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:35:24,167 INFO L471 AbstractCegarLoop]: Abstraction has 264 states and 352 transitions. [2024-12-02 13:35:24,167 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-12-02 13:35:24,167 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 352 transitions. [2024-12-02 13:35:24,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-12-02 13:35:24,168 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:35:24,168 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:35:24,176 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-12-02 13:35:24,369 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:35:24,369 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:35:24,369 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:35:24,369 INFO L85 PathProgramCache]: Analyzing trace with hash 605351532, now seen corresponding path program 1 times [2024-12-02 13:35:24,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:35:24,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786279006] [2024-12-02 13:35:24,370 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:35:24,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:35:24,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:35:24,663 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 13:35:24,663 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:35:24,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1786279006] [2024-12-02 13:35:24,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1786279006] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:35:24,663 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:35:24,663 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 13:35:24,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883659401] [2024-12-02 13:35:24,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:35:24,664 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 13:35:24,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:35:24,664 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 13:35:24,664 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-12-02 13:35:24,665 INFO L87 Difference]: Start difference. First operand 264 states and 352 transitions. Second operand has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:35:24,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:35:24,902 INFO L93 Difference]: Finished difference Result 626 states and 834 transitions. [2024-12-02 13:35:24,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 13:35:24,902 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 140 [2024-12-02 13:35:24,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:35:24,905 INFO L225 Difference]: With dead ends: 626 [2024-12-02 13:35:24,905 INFO L226 Difference]: Without dead ends: 417 [2024-12-02 13:35:24,905 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-12-02 13:35:24,906 INFO L435 NwaCegarLoop]: 163 mSDtfsCounter, 312 mSDsluCounter, 377 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 312 SdHoareTripleChecker+Valid, 540 SdHoareTripleChecker+Invalid, 168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 13:35:24,906 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [312 Valid, 540 Invalid, 168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 13:35:24,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 417 states. [2024-12-02 13:35:24,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 417 to 264. [2024-12-02 13:35:24,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 264 states, 216 states have (on average 1.25) internal successors, (270), 218 states have internal predecessors, (270), 40 states have call successors, (40), 7 states have call predecessors, (40), 7 states have return successors, (40), 38 states have call predecessors, (40), 40 states have call successors, (40) [2024-12-02 13:35:24,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 350 transitions. [2024-12-02 13:35:24,946 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 350 transitions. Word has length 140 [2024-12-02 13:35:24,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:35:24,946 INFO L471 AbstractCegarLoop]: Abstraction has 264 states and 350 transitions. [2024-12-02 13:35:24,946 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:35:24,947 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 350 transitions. [2024-12-02 13:35:24,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-12-02 13:35:24,948 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:35:24,948 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:35:24,948 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-12-02 13:35:24,948 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:35:24,948 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:35:24,948 INFO L85 PathProgramCache]: Analyzing trace with hash -2101267862, now seen corresponding path program 1 times [2024-12-02 13:35:24,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:35:24,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784593472] [2024-12-02 13:35:24,949 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:35:24,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:35:25,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:35:25,735 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 13:35:25,735 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:35:25,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1784593472] [2024-12-02 13:35:25,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1784593472] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:35:25,735 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:35:25,735 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 13:35:25,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814756350] [2024-12-02 13:35:25,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:35:25,736 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 13:35:25,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:35:25,736 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 13:35:25,736 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-12-02 13:35:25,737 INFO L87 Difference]: Start difference. First operand 264 states and 350 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, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:35:25,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:35:25,928 INFO L93 Difference]: Finished difference Result 574 states and 758 transitions. [2024-12-02 13:35:25,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 13:35:25,929 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, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 140 [2024-12-02 13:35:25,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:35:25,931 INFO L225 Difference]: With dead ends: 574 [2024-12-02 13:35:25,931 INFO L226 Difference]: Without dead ends: 365 [2024-12-02 13:35:25,932 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-12-02 13:35:25,932 INFO L435 NwaCegarLoop]: 189 mSDtfsCounter, 49 mSDsluCounter, 854 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 1043 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 13:35:25,932 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 1043 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 13:35:25,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 365 states. [2024-12-02 13:35:25,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 365 to 274. [2024-12-02 13:35:25,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 274 states, 226 states have (on average 1.247787610619469) internal successors, (282), 228 states have internal predecessors, (282), 40 states have call successors, (40), 7 states have call predecessors, (40), 7 states have return successors, (40), 38 states have call predecessors, (40), 40 states have call successors, (40) [2024-12-02 13:35:25,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 362 transitions. [2024-12-02 13:35:25,956 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 362 transitions. Word has length 140 [2024-12-02 13:35:25,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:35:25,956 INFO L471 AbstractCegarLoop]: Abstraction has 274 states and 362 transitions. [2024-12-02 13:35:25,956 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, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:35:25,956 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 362 transitions. [2024-12-02 13:35:25,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-12-02 13:35:25,957 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:35:25,957 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:35:25,957 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-12-02 13:35:25,957 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:35:25,958 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:35:25,958 INFO L85 PathProgramCache]: Analyzing trace with hash -1678566036, now seen corresponding path program 1 times [2024-12-02 13:35:25,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:35:25,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206146138] [2024-12-02 13:35:25,958 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:35:25,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:35:26,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:35:26,314 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 13:35:26,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:35:26,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1206146138] [2024-12-02 13:35:26,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1206146138] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:35:26,314 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:35:26,314 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 13:35:26,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1654548458] [2024-12-02 13:35:26,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:35:26,315 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 13:35:26,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:35:26,315 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 13:35:26,315 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-12-02 13:35:26,315 INFO L87 Difference]: Start difference. First operand 274 states and 362 transitions. Second operand has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:35:26,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:35:26,514 INFO L93 Difference]: Finished difference Result 630 states and 834 transitions. [2024-12-02 13:35:26,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 13:35:26,515 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 140 [2024-12-02 13:35:26,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:35:26,517 INFO L225 Difference]: With dead ends: 630 [2024-12-02 13:35:26,517 INFO L226 Difference]: Without dead ends: 411 [2024-12-02 13:35:26,518 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2024-12-02 13:35:26,518 INFO L435 NwaCegarLoop]: 174 mSDtfsCounter, 254 mSDsluCounter, 400 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 254 SdHoareTripleChecker+Valid, 574 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 13:35:26,519 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [254 Valid, 574 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 13:35:26,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 411 states. [2024-12-02 13:35:26,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 411 to 258. [2024-12-02 13:35:26,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 258 states, 210 states have (on average 1.2380952380952381) internal successors, (260), 212 states have internal predecessors, (260), 40 states have call successors, (40), 7 states have call predecessors, (40), 7 states have return successors, (40), 38 states have call predecessors, (40), 40 states have call successors, (40) [2024-12-02 13:35:26,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 340 transitions. [2024-12-02 13:35:26,561 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 340 transitions. Word has length 140 [2024-12-02 13:35:26,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:35:26,562 INFO L471 AbstractCegarLoop]: Abstraction has 258 states and 340 transitions. [2024-12-02 13:35:26,562 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:35:26,562 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 340 transitions. [2024-12-02 13:35:26,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-12-02 13:35:26,563 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:35:26,563 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:35:26,563 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-12-02 13:35:26,563 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:35:26,564 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:35:26,564 INFO L85 PathProgramCache]: Analyzing trace with hash 298762568, now seen corresponding path program 1 times [2024-12-02 13:35:26,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:35:26,564 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1139735989] [2024-12-02 13:35:26,564 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:35:26,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:35:26,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:35:26,866 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 13:35:26,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:35:26,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1139735989] [2024-12-02 13:35:26,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1139735989] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:35:26,866 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:35:26,866 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 13:35:26,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614190473] [2024-12-02 13:35:26,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:35:26,867 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 13:35:26,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:35:26,867 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 13:35:26,867 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 13:35:26,867 INFO L87 Difference]: Start difference. First operand 258 states and 340 transitions. Second operand has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:35:26,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:35:26,962 INFO L93 Difference]: Finished difference Result 270 states and 352 transitions. [2024-12-02 13:35:26,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 13:35:26,962 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 140 [2024-12-02 13:35:26,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:35:26,964 INFO L225 Difference]: With dead ends: 270 [2024-12-02 13:35:26,964 INFO L226 Difference]: Without dead ends: 268 [2024-12-02 13:35:26,965 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-12-02 13:35:26,965 INFO L435 NwaCegarLoop]: 161 mSDtfsCounter, 84 mSDsluCounter, 541 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 702 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 13:35:26,965 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 702 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 13:35:26,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2024-12-02 13:35:27,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 268. [2024-12-02 13:35:27,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 268 states, 219 states have (on average 1.2283105022831051) internal successors, (269), 221 states have internal predecessors, (269), 40 states have call successors, (40), 8 states have call predecessors, (40), 8 states have return successors, (40), 38 states have call predecessors, (40), 40 states have call successors, (40) [2024-12-02 13:35:27,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 349 transitions. [2024-12-02 13:35:27,003 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 349 transitions. Word has length 140 [2024-12-02 13:35:27,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:35:27,003 INFO L471 AbstractCegarLoop]: Abstraction has 268 states and 349 transitions. [2024-12-02 13:35:27,004 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:35:27,004 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 349 transitions. [2024-12-02 13:35:27,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-12-02 13:35:27,004 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:35:27,004 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:35:27,004 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-12-02 13:35:27,004 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:35:27,005 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:35:27,005 INFO L85 PathProgramCache]: Analyzing trace with hash 300609610, now seen corresponding path program 1 times [2024-12-02 13:35:27,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:35:27,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847822161] [2024-12-02 13:35:27,005 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:35:27,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:35:27,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:35:27,520 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 30 proven. 18 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2024-12-02 13:35:27,520 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:35:27,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [847822161] [2024-12-02 13:35:27,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [847822161] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 13:35:27,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1523499377] [2024-12-02 13:35:27,521 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:35:27,521 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:35:27,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:35:27,523 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 13:35:27,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-12-02 13:35:27,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:35:27,800 INFO L256 TraceCheckSpWp]: Trace formula consists of 639 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-02 13:35:27,802 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:35:27,812 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 13:35:27,929 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 13:35:27,929 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:35:27,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1523499377] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:35:27,929 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 13:35:27,930 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 19 [2024-12-02 13:35:27,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450832344] [2024-12-02 13:35:27,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:35:27,930 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 13:35:27,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:35:27,931 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 13:35:27,931 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=302, Unknown=0, NotChecked=0, Total=342 [2024-12-02 13:35:27,931 INFO L87 Difference]: Start difference. First operand 268 states and 349 transitions. Second operand has 10 states, 10 states have (on average 5.8) internal successors, (58), 10 states have internal predecessors, (58), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:35:28,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:35:28,245 INFO L93 Difference]: Finished difference Result 652 states and 847 transitions. [2024-12-02 13:35:28,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 13:35:28,246 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.8) internal successors, (58), 10 states have internal predecessors, (58), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 140 [2024-12-02 13:35:28,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:35:28,248 INFO L225 Difference]: With dead ends: 652 [2024-12-02 13:35:28,248 INFO L226 Difference]: Without dead ends: 439 [2024-12-02 13:35:28,248 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=77, Invalid=573, Unknown=0, NotChecked=0, Total=650 [2024-12-02 13:35:28,249 INFO L435 NwaCegarLoop]: 198 mSDtfsCounter, 253 mSDsluCounter, 1004 mSDsCounter, 0 mSdLazyCounter, 248 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 253 SdHoareTripleChecker+Valid, 1202 SdHoareTripleChecker+Invalid, 254 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 248 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 13:35:28,249 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [253 Valid, 1202 Invalid, 254 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 248 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 13:35:28,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2024-12-02 13:35:28,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 307. [2024-12-02 13:35:28,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 307 states, 258 states have (on average 1.255813953488372) internal successors, (324), 260 states have internal predecessors, (324), 40 states have call successors, (40), 8 states have call predecessors, (40), 8 states have return successors, (40), 38 states have call predecessors, (40), 40 states have call successors, (40) [2024-12-02 13:35:28,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 404 transitions. [2024-12-02 13:35:28,274 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 404 transitions. Word has length 140 [2024-12-02 13:35:28,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:35:28,274 INFO L471 AbstractCegarLoop]: Abstraction has 307 states and 404 transitions. [2024-12-02 13:35:28,274 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.8) internal successors, (58), 10 states have internal predecessors, (58), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:35:28,274 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 404 transitions. [2024-12-02 13:35:28,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-12-02 13:35:28,275 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:35:28,275 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:35:28,286 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-12-02 13:35:28,475 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-12-02 13:35:28,475 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:35:28,476 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:35:28,476 INFO L85 PathProgramCache]: Analyzing trace with hash -1539291954, now seen corresponding path program 1 times [2024-12-02 13:35:28,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:35:28,476 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811765380] [2024-12-02 13:35:28,476 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:35:28,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:35:28,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:35:29,034 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 30 proven. 18 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2024-12-02 13:35:29,034 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:35:29,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [811765380] [2024-12-02 13:35:29,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [811765380] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 13:35:29,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1519371060] [2024-12-02 13:35:29,035 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:35:29,035 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:35:29,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:35:29,036 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 13:35:29,037 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-12-02 13:35:29,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:35:29,330 INFO L256 TraceCheckSpWp]: Trace formula consists of 630 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-12-02 13:35:29,334 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:35:29,532 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 13:35:29,650 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 13:35:29,658 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 11 treesize of output 7 [2024-12-02 13:35:29,772 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 6 proven. 298 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2024-12-02 13:35:29,772 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:35:30,167 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 13:35:30,255 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 30 proven. 18 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2024-12-02 13:35:30,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1519371060] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 13:35:30,256 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 13:35:30,256 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 16, 16] total 29 [2024-12-02 13:35:30,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [604585754] [2024-12-02 13:35:30,256 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 13:35:30,256 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-12-02 13:35:30,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:35:30,257 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-12-02 13:35:30,257 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=721, Unknown=0, NotChecked=0, Total=812 [2024-12-02 13:35:30,257 INFO L87 Difference]: Start difference. First operand 307 states and 404 transitions. Second operand has 29 states, 25 states have (on average 4.24) internal successors, (106), 28 states have internal predecessors, (106), 6 states have call successors, (36), 3 states have call predecessors, (36), 5 states have return successors, (36), 3 states have call predecessors, (36), 6 states have call successors, (36) [2024-12-02 13:35:31,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:35:31,700 INFO L93 Difference]: Finished difference Result 717 states and 934 transitions. [2024-12-02 13:35:31,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-12-02 13:35:31,701 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 25 states have (on average 4.24) internal successors, (106), 28 states have internal predecessors, (106), 6 states have call successors, (36), 3 states have call predecessors, (36), 5 states have return successors, (36), 3 states have call predecessors, (36), 6 states have call successors, (36) Word has length 140 [2024-12-02 13:35:31,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:35:31,702 INFO L225 Difference]: With dead ends: 717 [2024-12-02 13:35:31,702 INFO L226 Difference]: Without dead ends: 465 [2024-12-02 13:35:31,703 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 322 GetRequests, 263 SyntacticMatches, 3 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 530 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=493, Invalid=2813, Unknown=0, NotChecked=0, Total=3306 [2024-12-02 13:35:31,703 INFO L435 NwaCegarLoop]: 215 mSDtfsCounter, 555 mSDsluCounter, 2918 mSDsCounter, 0 mSdLazyCounter, 1362 mSolverCounterSat, 173 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 555 SdHoareTripleChecker+Valid, 3133 SdHoareTripleChecker+Invalid, 1535 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 173 IncrementalHoareTripleChecker+Valid, 1362 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-12-02 13:35:31,704 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [555 Valid, 3133 Invalid, 1535 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [173 Valid, 1362 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-12-02 13:35:31,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 465 states. [2024-12-02 13:35:31,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 465 to 329. [2024-12-02 13:35:31,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 329 states, 280 states have (on average 1.25) internal successors, (350), 282 states have internal predecessors, (350), 40 states have call successors, (40), 8 states have call predecessors, (40), 8 states have return successors, (40), 38 states have call predecessors, (40), 40 states have call successors, (40) [2024-12-02 13:35:31,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 430 transitions. [2024-12-02 13:35:31,729 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 430 transitions. Word has length 140 [2024-12-02 13:35:31,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:35:31,729 INFO L471 AbstractCegarLoop]: Abstraction has 329 states and 430 transitions. [2024-12-02 13:35:31,730 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 25 states have (on average 4.24) internal successors, (106), 28 states have internal predecessors, (106), 6 states have call successors, (36), 3 states have call predecessors, (36), 5 states have return successors, (36), 3 states have call predecessors, (36), 6 states have call successors, (36) [2024-12-02 13:35:31,730 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 430 transitions. [2024-12-02 13:35:31,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-12-02 13:35:31,731 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:35:31,731 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:35:31,739 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-12-02 13:35:31,931 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:35:31,931 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:35:31,932 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:35:31,932 INFO L85 PathProgramCache]: Analyzing trace with hash -2016680588, now seen corresponding path program 1 times [2024-12-02 13:35:31,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:35:31,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1338079583] [2024-12-02 13:35:31,932 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:35:31,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:35:31,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:35:32,247 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 13:35:32,247 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:35:32,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1338079583] [2024-12-02 13:35:32,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1338079583] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:35:32,248 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:35:32,248 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 13:35:32,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220480428] [2024-12-02 13:35:32,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:35:32,248 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 13:35:32,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:35:32,249 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 13:35:32,249 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-12-02 13:35:32,249 INFO L87 Difference]: Start difference. First operand 329 states and 430 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, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:35:32,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:35:32,402 INFO L93 Difference]: Finished difference Result 603 states and 788 transitions. [2024-12-02 13:35:32,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 13:35:32,403 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, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 141 [2024-12-02 13:35:32,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:35:32,405 INFO L225 Difference]: With dead ends: 603 [2024-12-02 13:35:32,405 INFO L226 Difference]: Without dead ends: 329 [2024-12-02 13:35:32,405 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-12-02 13:35:32,405 INFO L435 NwaCegarLoop]: 131 mSDtfsCounter, 227 mSDsluCounter, 235 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 227 SdHoareTripleChecker+Valid, 366 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 13:35:32,406 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [227 Valid, 366 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 13:35:32,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2024-12-02 13:35:32,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 329. [2024-12-02 13:35:32,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 329 states, 280 states have (on average 1.2214285714285715) internal successors, (342), 282 states have internal predecessors, (342), 40 states have call successors, (40), 8 states have call predecessors, (40), 8 states have return successors, (40), 38 states have call predecessors, (40), 40 states have call successors, (40) [2024-12-02 13:35:32,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 422 transitions. [2024-12-02 13:35:32,434 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 422 transitions. Word has length 141 [2024-12-02 13:35:32,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:35:32,435 INFO L471 AbstractCegarLoop]: Abstraction has 329 states and 422 transitions. [2024-12-02 13:35:32,435 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, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:35:32,435 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 422 transitions. [2024-12-02 13:35:32,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-12-02 13:35:32,446 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:35:32,446 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:35:32,446 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-12-02 13:35:32,446 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:35:32,446 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:35:32,447 INFO L85 PathProgramCache]: Analyzing trace with hash -742910394, now seen corresponding path program 1 times [2024-12-02 13:35:32,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:35:32,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638088720] [2024-12-02 13:35:32,447 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:35:32,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:35:32,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 13:35:32,517 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 13:35:32,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 13:35:32,679 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-12-02 13:35:32,679 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-02 13:35:32,680 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 13:35:32,681 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-12-02 13:35:32,683 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] [2024-12-02 13:35:32,847 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 13:35:32,850 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 01:35:32 BoogieIcfgContainer [2024-12-02 13:35:32,850 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 13:35:32,851 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 13:35:32,851 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 13:35:32,851 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 13:35:32,852 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:35:08" (3/4) ... [2024-12-02 13:35:32,853 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-02 13:35:32,854 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 13:35:32,855 INFO L158 Benchmark]: Toolchain (without parser) took 25436.66ms. Allocated memory was 117.4MB in the beginning and 478.2MB in the end (delta: 360.7MB). Free memory was 92.4MB in the beginning and 329.1MB in the end (delta: -236.7MB). Peak memory consumption was 124.3MB. Max. memory is 16.1GB. [2024-12-02 13:35:32,855 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 117.4MB. Free memory was 72.1MB in the beginning and 72.0MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 13:35:32,855 INFO L158 Benchmark]: CACSL2BoogieTranslator took 257.04ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 78.2MB in the end (delta: 14.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 13:35:32,855 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.87ms. Allocated memory is still 117.4MB. Free memory was 78.2MB in the beginning and 75.3MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 13:35:32,855 INFO L158 Benchmark]: Boogie Preprocessor took 76.44ms. Allocated memory is still 117.4MB. Free memory was 75.3MB in the beginning and 70.4MB in the end (delta: 4.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 13:35:32,856 INFO L158 Benchmark]: RCFGBuilder took 749.44ms. Allocated memory is still 117.4MB. Free memory was 70.4MB in the beginning and 83.8MB in the end (delta: -13.4MB). Peak memory consumption was 40.5MB. Max. memory is 16.1GB. [2024-12-02 13:35:32,856 INFO L158 Benchmark]: TraceAbstraction took 24297.79ms. Allocated memory was 117.4MB in the beginning and 478.2MB in the end (delta: 360.7MB). Free memory was 83.3MB in the beginning and 329.1MB in the end (delta: -245.9MB). Peak memory consumption was 117.3MB. Max. memory is 16.1GB. [2024-12-02 13:35:32,856 INFO L158 Benchmark]: Witness Printer took 3.06ms. Allocated memory is still 478.2MB. Free memory was 329.1MB in the beginning and 329.1MB in the end (delta: 64.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 13:35:32,858 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 117.4MB. Free memory was 72.1MB in the beginning and 72.0MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 257.04ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 78.2MB in the end (delta: 14.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.87ms. Allocated memory is still 117.4MB. Free memory was 78.2MB in the beginning and 75.3MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 76.44ms. Allocated memory is still 117.4MB. Free memory was 75.3MB in the beginning and 70.4MB in the end (delta: 4.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 749.44ms. Allocated memory is still 117.4MB. Free memory was 70.4MB in the beginning and 83.8MB in the end (delta: -13.4MB). Peak memory consumption was 40.5MB. Max. memory is 16.1GB. * TraceAbstraction took 24297.79ms. Allocated memory was 117.4MB in the beginning and 478.2MB in the end (delta: 360.7MB). Free memory was 83.3MB in the beginning and 329.1MB in the end (delta: -245.9MB). Peak memory consumption was 117.3MB. Max. memory is 16.1GB. * Witness Printer took 3.06ms. Allocated memory is still 478.2MB. Free memory was 329.1MB in the beginning and 329.1MB in the end (delta: 64.6kB). 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 110, overapproximation of someBinaryFLOATComparisonOperation at line 110, overapproximation of someBinaryFLOATComparisonOperation at line 115, overapproximation of someBinaryFLOATComparisonOperation at line 115, overapproximation of someBinaryFLOATComparisonOperation at line 58. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = 16; [L22] signed short int var_1_1 = 16; [L23] signed short int* var_1_1_Pointer = &(var_1_1); [L24] signed short int var_1_7 = 32; [L24] signed short int var_1_7 = 32; [L25] signed short int* var_1_7_Pointer = &(var_1_7); [L26] signed short int var_1_8 = 20113; [L26] signed short int var_1_8 = 20113; [L27] signed short int* var_1_8_Pointer = &(var_1_8); [L28] signed short int var_1_9 = 100; [L28] signed short int var_1_9 = 100; [L29] signed short int* var_1_9_Pointer = &(var_1_9); [L30] signed char var_1_10 = 100; [L30] signed char var_1_10 = 100; [L31] signed char* var_1_10_Pointer = &(var_1_10); [L32] signed char var_1_11 = -1; [L32] signed char var_1_11 = -1; [L33] signed char* var_1_11_Pointer = &(var_1_11); [L34] signed char var_1_12 = 16; [L34] signed char var_1_12 = 16; [L35] signed char* var_1_12_Pointer = &(var_1_12); [L36] unsigned char var_1_13 = 1; [L36] unsigned char var_1_13 = 1; [L37] unsigned char* var_1_13_Pointer = &(var_1_13); [L38] unsigned char var_1_15 = 0; [L38] unsigned char var_1_15 = 0; [L39] unsigned char* var_1_15_Pointer = &(var_1_15); [L40] unsigned char var_1_16 = 1; [L40] unsigned char var_1_16 = 1; [L41] unsigned char* var_1_16_Pointer = &(var_1_16); [L42] unsigned short int var_1_18 = 10; [L42] unsigned short int var_1_18 = 10; [L43] unsigned short int* var_1_18_Pointer = &(var_1_18); [L44] unsigned short int var_1_19 = 256; [L44] unsigned short int var_1_19 = 256; [L45] unsigned short int* var_1_19_Pointer = &(var_1_19); [L46] float var_1_20 = 32.5; [L46] float var_1_20 = 32.5; [L47] float* var_1_20_Pointer = &(var_1_20); [L48] float var_1_21 = 127.4; [L48] float var_1_21 = 127.4; [L49] float* var_1_21_Pointer = &(var_1_21); [L50] signed short int var_1_22 = 128; [L50] signed short int var_1_22 = 128; [L51] signed short int* var_1_22_Pointer = &(var_1_22); VAL [isInitial=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, 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}] [L119] isInitial = 1 [L120] FCALL initially() [L122] FCALL updateLastVariables() [L123] CALL updateVariables() [L85] var_1_7 = __VERIFIER_nondet_short() [L86] EXPR \read(var_1_7) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, 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}] [L86] CALL assume_abort_if_not(var_1_7 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, 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, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, 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}] [L86] RET assume_abort_if_not(var_1_7 >= -1) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, 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}] [L87] EXPR \read(var_1_7) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, 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}] [L87] CALL assume_abort_if_not(var_1_7 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, 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, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, 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}] [L87] RET assume_abort_if_not(var_1_7 <= 32766) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, 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}] [L88] var_1_8 = __VERIFIER_nondet_short() [L89] EXPR \read(var_1_8) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, 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] CALL assume_abort_if_not(var_1_8 >= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, 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, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, 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] RET assume_abort_if_not(var_1_8 >= 16383) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, 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}] [L90] EXPR \read(var_1_8) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, 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}] [L90] CALL assume_abort_if_not(var_1_8 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, 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, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, 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}] [L90] RET assume_abort_if_not(var_1_8 <= 32766) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, 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}] [L91] var_1_9 = __VERIFIER_nondet_short() [L92] EXPR \read(var_1_9) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, 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}] [L92] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, 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, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, 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}] [L92] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, 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] EXPR \read(var_1_9) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, 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] CALL assume_abort_if_not(var_1_9 <= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, 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, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, 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] RET assume_abort_if_not(var_1_9 <= 16383) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, 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}] [L94] var_1_11 = __VERIFIER_nondet_char() [L95] EXPR \read(var_1_11) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, 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}] [L95] CALL assume_abort_if_not(var_1_11 >= -63) VAL [\old(cond)=1, isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, 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, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, 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}] [L95] RET assume_abort_if_not(var_1_11 >= -63) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, 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}] [L96] EXPR \read(var_1_11) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, 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}] [L96] CALL assume_abort_if_not(var_1_11 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, 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, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, 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}] [L96] RET assume_abort_if_not(var_1_11 <= 63) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, 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] var_1_12 = __VERIFIER_nondet_char() [L98] EXPR \read(var_1_12) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, 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}] [L98] CALL assume_abort_if_not(var_1_12 >= -31) VAL [\old(cond)=1, isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, 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, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, 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}] [L98] RET assume_abort_if_not(var_1_12 >= -31) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, 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}] [L99] EXPR \read(var_1_12) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, 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}] [L99] CALL assume_abort_if_not(var_1_12 <= 32) VAL [\old(cond)=1, isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, 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, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, 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}] [L99] RET assume_abort_if_not(var_1_12 <= 32) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, 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}] [L100] var_1_15 = __VERIFIER_nondet_uchar() [L101] EXPR \read(var_1_15) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, 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}] [L101] CALL assume_abort_if_not(var_1_15 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, 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, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, 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}] [L101] RET assume_abort_if_not(var_1_15 >= 1) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, 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}] [L102] EXPR \read(var_1_15) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, 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}] [L102] CALL assume_abort_if_not(var_1_15 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, 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, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, 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}] [L102] RET assume_abort_if_not(var_1_15 <= 1) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, 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}] [L103] var_1_16 = __VERIFIER_nondet_uchar() [L104] EXPR \read(var_1_16) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, 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}] [L104] CALL assume_abort_if_not(var_1_16 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, 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, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, 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}] [L104] RET assume_abort_if_not(var_1_16 >= 1) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, 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}] [L105] EXPR \read(var_1_16) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, 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}] [L105] CALL assume_abort_if_not(var_1_16 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, 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, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, 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}] [L105] RET assume_abort_if_not(var_1_16 <= 1) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, 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}] [L106] var_1_19 = __VERIFIER_nondet_ushort() [L107] EXPR \read(var_1_19) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, 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}] [L107] CALL assume_abort_if_not(var_1_19 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, 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, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, 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}] [L107] RET assume_abort_if_not(var_1_19 >= 0) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, 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}] [L108] EXPR \read(var_1_19) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, 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}] [L108] CALL assume_abort_if_not(var_1_19 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, 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, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, 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}] [L108] RET assume_abort_if_not(var_1_19 <= 65534) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, 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}] [L109] var_1_21 = __VERIFIER_nondet_float() [L110] EXPR \read(var_1_21) [L110] EXPR var_1_21 >= -922337.2036854765600e+13F && var_1_21 <= -1.0e-20F VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, 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}] [L110] EXPR var_1_21 >= -922337.2036854765600e+13F && var_1_21 <= -1.0e-20F [L110] EXPR \read(var_1_21) [L110] EXPR var_1_21 >= -922337.2036854765600e+13F && var_1_21 <= -1.0e-20F VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, 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}] [L110] EXPR (var_1_21 >= -922337.2036854765600e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854765600e+12F && var_1_21 >= 1.0e-20F ) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, 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}] [L110] EXPR (var_1_21 >= -922337.2036854765600e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854765600e+12F && var_1_21 >= 1.0e-20F ) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, 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}] [L110] CALL assume_abort_if_not((var_1_21 >= -922337.2036854765600e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854765600e+12F && var_1_21 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, 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, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, 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}] [L110] RET assume_abort_if_not((var_1_21 >= -922337.2036854765600e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854765600e+12F && var_1_21 >= 1.0e-20F )) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, 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}] [L123] RET updateVariables() [L124] CALL step() [L55] EXPR \read(*var_1_19_Pointer) [L55] (*(var_1_18_Pointer)) = (*(var_1_19_Pointer)) [L56] EXPR \read(*var_1_21_Pointer) [L56] (*(var_1_20_Pointer)) = (*(var_1_21_Pointer)) [L57] EXPR \read(*var_1_12_Pointer) [L57] (*(var_1_22_Pointer)) = (*(var_1_12_Pointer)) [L58] EXPR \read(*var_1_20_Pointer) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, 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}] [L58] COND TRUE 127.5f > (*(var_1_20_Pointer)) [L59] EXPR \read(*var_1_15_Pointer) [L59] EXPR (*(var_1_15_Pointer)) && (*(var_1_16_Pointer)) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, 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}] [L59] EXPR (*(var_1_15_Pointer)) && (*(var_1_16_Pointer)) [L59] EXPR \read(*var_1_16_Pointer) [L59] EXPR (*(var_1_15_Pointer)) && (*(var_1_16_Pointer)) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, 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}] [L59] (*(var_1_13_Pointer)) = ((*(var_1_15_Pointer)) && (*(var_1_16_Pointer))) [L63] EXPR \read(*var_1_18_Pointer) [L63] EXPR \read(*var_1_7_Pointer) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, 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}] [L63] COND TRUE (*(var_1_18_Pointer)) == (*(var_1_7_Pointer)) [L64] EXPR \read(*var_1_11_Pointer) [L64] EXPR \read(*var_1_12_Pointer) [L64] (*(var_1_10_Pointer)) = ((*(var_1_11_Pointer)) + ((*(var_1_12_Pointer)) + -25)) [L72] EXPR \read(*var_1_13_Pointer) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, 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] COND TRUE (*(var_1_13_Pointer)) [L73] EXPR \read(*var_1_10_Pointer) [L73] EXPR \read(*var_1_22_Pointer) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, 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] COND FALSE !((*(var_1_10_Pointer)) > (*(var_1_22_Pointer))) [L80] (*(var_1_1_Pointer)) = 8 VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, 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}] [L124] RET step() [L125] CALL, EXPR property() [L115] EXPR \read(*var_1_13_Pointer) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, 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}] [L115] EXPR (*(var_1_13_Pointer)) ? (((*(var_1_10_Pointer)) > (*(var_1_22_Pointer))) ? ((*(var_1_13_Pointer)) ? ((*(var_1_1_Pointer)) == ((signed short int) ((*(var_1_7_Pointer)) - ((*(var_1_8_Pointer)) - (*(var_1_9_Pointer)))))) : ((*(var_1_1_Pointer)) == ((signed short int) (*(var_1_18_Pointer))))) : ((*(var_1_1_Pointer)) == ((signed short int) 8))) : 1 [L115] EXPR \read(*var_1_10_Pointer) [L115] EXPR \read(*var_1_22_Pointer) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, 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}] [L115] EXPR ((*(var_1_10_Pointer)) > (*(var_1_22_Pointer))) ? ((*(var_1_13_Pointer)) ? ((*(var_1_1_Pointer)) == ((signed short int) ((*(var_1_7_Pointer)) - ((*(var_1_8_Pointer)) - (*(var_1_9_Pointer)))))) : ((*(var_1_1_Pointer)) == ((signed short int) (*(var_1_18_Pointer))))) : ((*(var_1_1_Pointer)) == ((signed short int) 8)) [L115] EXPR \read(*var_1_1_Pointer) [L115] EXPR ((*(var_1_10_Pointer)) > (*(var_1_22_Pointer))) ? ((*(var_1_13_Pointer)) ? ((*(var_1_1_Pointer)) == ((signed short int) ((*(var_1_7_Pointer)) - ((*(var_1_8_Pointer)) - (*(var_1_9_Pointer)))))) : ((*(var_1_1_Pointer)) == ((signed short int) (*(var_1_18_Pointer))))) : ((*(var_1_1_Pointer)) == ((signed short int) 8)) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, 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}] [L115] EXPR (*(var_1_13_Pointer)) ? (((*(var_1_10_Pointer)) > (*(var_1_22_Pointer))) ? ((*(var_1_13_Pointer)) ? ((*(var_1_1_Pointer)) == ((signed short int) ((*(var_1_7_Pointer)) - ((*(var_1_8_Pointer)) - (*(var_1_9_Pointer)))))) : ((*(var_1_1_Pointer)) == ((signed short int) (*(var_1_18_Pointer))))) : ((*(var_1_1_Pointer)) == ((signed short int) 8))) : 1 VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, 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}] [L115] EXPR ((*(var_1_13_Pointer)) ? (((*(var_1_10_Pointer)) > (*(var_1_22_Pointer))) ? ((*(var_1_13_Pointer)) ? ((*(var_1_1_Pointer)) == ((signed short int) ((*(var_1_7_Pointer)) - ((*(var_1_8_Pointer)) - (*(var_1_9_Pointer)))))) : ((*(var_1_1_Pointer)) == ((signed short int) (*(var_1_18_Pointer))))) : ((*(var_1_1_Pointer)) == ((signed short int) 8))) : 1) && (((*(var_1_18_Pointer)) == (*(var_1_7_Pointer))) ? ((*(var_1_10_Pointer)) == ((signed char) ((*(var_1_11_Pointer)) + ((*(var_1_12_Pointer)) + -25)))) : ((((32 * -25) | (*(var_1_22_Pointer))) >= (*(var_1_11_Pointer))) ? ((*(var_1_13_Pointer)) ? ((*(var_1_10_Pointer)) == ((signed char) (*(var_1_12_Pointer)))) : 1) : 1)) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, 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}] [L115] EXPR ((*(var_1_13_Pointer)) ? (((*(var_1_10_Pointer)) > (*(var_1_22_Pointer))) ? ((*(var_1_13_Pointer)) ? ((*(var_1_1_Pointer)) == ((signed short int) ((*(var_1_7_Pointer)) - ((*(var_1_8_Pointer)) - (*(var_1_9_Pointer)))))) : ((*(var_1_1_Pointer)) == ((signed short int) (*(var_1_18_Pointer))))) : ((*(var_1_1_Pointer)) == ((signed short int) 8))) : 1) && (((*(var_1_18_Pointer)) == (*(var_1_7_Pointer))) ? ((*(var_1_10_Pointer)) == ((signed char) ((*(var_1_11_Pointer)) + ((*(var_1_12_Pointer)) + -25)))) : ((((32 * -25) | (*(var_1_22_Pointer))) >= (*(var_1_11_Pointer))) ? ((*(var_1_13_Pointer)) ? ((*(var_1_10_Pointer)) == ((signed char) (*(var_1_12_Pointer)))) : 1) : 1)) [L115] EXPR \read(*var_1_18_Pointer) [L115] EXPR \read(*var_1_7_Pointer) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, 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}] [L115] EXPR ((*(var_1_18_Pointer)) == (*(var_1_7_Pointer))) ? ((*(var_1_10_Pointer)) == ((signed char) ((*(var_1_11_Pointer)) + ((*(var_1_12_Pointer)) + -25)))) : ((((32 * -25) | (*(var_1_22_Pointer))) >= (*(var_1_11_Pointer))) ? ((*(var_1_13_Pointer)) ? ((*(var_1_10_Pointer)) == ((signed char) (*(var_1_12_Pointer)))) : 1) : 1) [L115] EXPR \read(*var_1_10_Pointer) [L115] EXPR \read(*var_1_11_Pointer) [L115] EXPR \read(*var_1_12_Pointer) [L115] EXPR ((*(var_1_18_Pointer)) == (*(var_1_7_Pointer))) ? ((*(var_1_10_Pointer)) == ((signed char) ((*(var_1_11_Pointer)) + ((*(var_1_12_Pointer)) + -25)))) : ((((32 * -25) | (*(var_1_22_Pointer))) >= (*(var_1_11_Pointer))) ? ((*(var_1_13_Pointer)) ? ((*(var_1_10_Pointer)) == ((signed char) (*(var_1_12_Pointer)))) : 1) : 1) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, 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}] [L115] EXPR ((*(var_1_13_Pointer)) ? (((*(var_1_10_Pointer)) > (*(var_1_22_Pointer))) ? ((*(var_1_13_Pointer)) ? ((*(var_1_1_Pointer)) == ((signed short int) ((*(var_1_7_Pointer)) - ((*(var_1_8_Pointer)) - (*(var_1_9_Pointer)))))) : ((*(var_1_1_Pointer)) == ((signed short int) (*(var_1_18_Pointer))))) : ((*(var_1_1_Pointer)) == ((signed short int) 8))) : 1) && (((*(var_1_18_Pointer)) == (*(var_1_7_Pointer))) ? ((*(var_1_10_Pointer)) == ((signed char) ((*(var_1_11_Pointer)) + ((*(var_1_12_Pointer)) + -25)))) : ((((32 * -25) | (*(var_1_22_Pointer))) >= (*(var_1_11_Pointer))) ? ((*(var_1_13_Pointer)) ? ((*(var_1_10_Pointer)) == ((signed char) (*(var_1_12_Pointer)))) : 1) : 1)) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, 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}] [L115] EXPR (((*(var_1_13_Pointer)) ? (((*(var_1_10_Pointer)) > (*(var_1_22_Pointer))) ? ((*(var_1_13_Pointer)) ? ((*(var_1_1_Pointer)) == ((signed short int) ((*(var_1_7_Pointer)) - ((*(var_1_8_Pointer)) - (*(var_1_9_Pointer)))))) : ((*(var_1_1_Pointer)) == ((signed short int) (*(var_1_18_Pointer))))) : ((*(var_1_1_Pointer)) == ((signed short int) 8))) : 1) && (((*(var_1_18_Pointer)) == (*(var_1_7_Pointer))) ? ((*(var_1_10_Pointer)) == ((signed char) ((*(var_1_11_Pointer)) + ((*(var_1_12_Pointer)) + -25)))) : ((((32 * -25) | (*(var_1_22_Pointer))) >= (*(var_1_11_Pointer))) ? ((*(var_1_13_Pointer)) ? ((*(var_1_10_Pointer)) == ((signed char) (*(var_1_12_Pointer)))) : 1) : 1))) && ((127.5f > (*(var_1_20_Pointer))) ? ((*(var_1_13_Pointer)) == ((unsigned char) ((*(var_1_15_Pointer)) && (*(var_1_16_Pointer))))) : ((*(var_1_13_Pointer)) == ((unsigned char) (((*(var_1_20_Pointer)) >= (*(var_1_20_Pointer))) || (*(var_1_15_Pointer)))))) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, 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}] [L115] EXPR (((*(var_1_13_Pointer)) ? (((*(var_1_10_Pointer)) > (*(var_1_22_Pointer))) ? ((*(var_1_13_Pointer)) ? ((*(var_1_1_Pointer)) == ((signed short int) ((*(var_1_7_Pointer)) - ((*(var_1_8_Pointer)) - (*(var_1_9_Pointer)))))) : ((*(var_1_1_Pointer)) == ((signed short int) (*(var_1_18_Pointer))))) : ((*(var_1_1_Pointer)) == ((signed short int) 8))) : 1) && (((*(var_1_18_Pointer)) == (*(var_1_7_Pointer))) ? ((*(var_1_10_Pointer)) == ((signed char) ((*(var_1_11_Pointer)) + ((*(var_1_12_Pointer)) + -25)))) : ((((32 * -25) | (*(var_1_22_Pointer))) >= (*(var_1_11_Pointer))) ? ((*(var_1_13_Pointer)) ? ((*(var_1_10_Pointer)) == ((signed char) (*(var_1_12_Pointer)))) : 1) : 1))) && ((127.5f > (*(var_1_20_Pointer))) ? ((*(var_1_13_Pointer)) == ((unsigned char) ((*(var_1_15_Pointer)) && (*(var_1_16_Pointer))))) : ((*(var_1_13_Pointer)) == ((unsigned char) (((*(var_1_20_Pointer)) >= (*(var_1_20_Pointer))) || (*(var_1_15_Pointer)))))) [L115] EXPR \read(*var_1_20_Pointer) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, 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}] [L115] EXPR (127.5f > (*(var_1_20_Pointer))) ? ((*(var_1_13_Pointer)) == ((unsigned char) ((*(var_1_15_Pointer)) && (*(var_1_16_Pointer))))) : ((*(var_1_13_Pointer)) == ((unsigned char) (((*(var_1_20_Pointer)) >= (*(var_1_20_Pointer))) || (*(var_1_15_Pointer))))) [L115] EXPR \read(*var_1_13_Pointer) [L115] EXPR \read(*var_1_20_Pointer) [L115] EXPR \read(*var_1_20_Pointer) [L115] EXPR ((*(var_1_20_Pointer)) >= (*(var_1_20_Pointer))) || (*(var_1_15_Pointer)) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, 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}] [L115] EXPR ((*(var_1_20_Pointer)) >= (*(var_1_20_Pointer))) || (*(var_1_15_Pointer)) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, 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}] [L115] EXPR (127.5f > (*(var_1_20_Pointer))) ? ((*(var_1_13_Pointer)) == ((unsigned char) ((*(var_1_15_Pointer)) && (*(var_1_16_Pointer))))) : ((*(var_1_13_Pointer)) == ((unsigned char) (((*(var_1_20_Pointer)) >= (*(var_1_20_Pointer))) || (*(var_1_15_Pointer))))) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, 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}] [L115] EXPR (((*(var_1_13_Pointer)) ? (((*(var_1_10_Pointer)) > (*(var_1_22_Pointer))) ? ((*(var_1_13_Pointer)) ? ((*(var_1_1_Pointer)) == ((signed short int) ((*(var_1_7_Pointer)) - ((*(var_1_8_Pointer)) - (*(var_1_9_Pointer)))))) : ((*(var_1_1_Pointer)) == ((signed short int) (*(var_1_18_Pointer))))) : ((*(var_1_1_Pointer)) == ((signed short int) 8))) : 1) && (((*(var_1_18_Pointer)) == (*(var_1_7_Pointer))) ? ((*(var_1_10_Pointer)) == ((signed char) ((*(var_1_11_Pointer)) + ((*(var_1_12_Pointer)) + -25)))) : ((((32 * -25) | (*(var_1_22_Pointer))) >= (*(var_1_11_Pointer))) ? ((*(var_1_13_Pointer)) ? ((*(var_1_10_Pointer)) == ((signed char) (*(var_1_12_Pointer)))) : 1) : 1))) && ((127.5f > (*(var_1_20_Pointer))) ? ((*(var_1_13_Pointer)) == ((unsigned char) ((*(var_1_15_Pointer)) && (*(var_1_16_Pointer))))) : ((*(var_1_13_Pointer)) == ((unsigned char) (((*(var_1_20_Pointer)) >= (*(var_1_20_Pointer))) || (*(var_1_15_Pointer)))))) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, 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}] [L115] EXPR ((((*(var_1_13_Pointer)) ? (((*(var_1_10_Pointer)) > (*(var_1_22_Pointer))) ? ((*(var_1_13_Pointer)) ? ((*(var_1_1_Pointer)) == ((signed short int) ((*(var_1_7_Pointer)) - ((*(var_1_8_Pointer)) - (*(var_1_9_Pointer)))))) : ((*(var_1_1_Pointer)) == ((signed short int) (*(var_1_18_Pointer))))) : ((*(var_1_1_Pointer)) == ((signed short int) 8))) : 1) && (((*(var_1_18_Pointer)) == (*(var_1_7_Pointer))) ? ((*(var_1_10_Pointer)) == ((signed char) ((*(var_1_11_Pointer)) + ((*(var_1_12_Pointer)) + -25)))) : ((((32 * -25) | (*(var_1_22_Pointer))) >= (*(var_1_11_Pointer))) ? ((*(var_1_13_Pointer)) ? ((*(var_1_10_Pointer)) == ((signed char) (*(var_1_12_Pointer)))) : 1) : 1))) && ((127.5f > (*(var_1_20_Pointer))) ? ((*(var_1_13_Pointer)) == ((unsigned char) ((*(var_1_15_Pointer)) && (*(var_1_16_Pointer))))) : ((*(var_1_13_Pointer)) == ((unsigned char) (((*(var_1_20_Pointer)) >= (*(var_1_20_Pointer))) || (*(var_1_15_Pointer))))))) && ((*(var_1_18_Pointer)) == ((unsigned short int) (*(var_1_19_Pointer)))) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, 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}] [L115] EXPR ((((*(var_1_13_Pointer)) ? (((*(var_1_10_Pointer)) > (*(var_1_22_Pointer))) ? ((*(var_1_13_Pointer)) ? ((*(var_1_1_Pointer)) == ((signed short int) ((*(var_1_7_Pointer)) - ((*(var_1_8_Pointer)) - (*(var_1_9_Pointer)))))) : ((*(var_1_1_Pointer)) == ((signed short int) (*(var_1_18_Pointer))))) : ((*(var_1_1_Pointer)) == ((signed short int) 8))) : 1) && (((*(var_1_18_Pointer)) == (*(var_1_7_Pointer))) ? ((*(var_1_10_Pointer)) == ((signed char) ((*(var_1_11_Pointer)) + ((*(var_1_12_Pointer)) + -25)))) : ((((32 * -25) | (*(var_1_22_Pointer))) >= (*(var_1_11_Pointer))) ? ((*(var_1_13_Pointer)) ? ((*(var_1_10_Pointer)) == ((signed char) (*(var_1_12_Pointer)))) : 1) : 1))) && ((127.5f > (*(var_1_20_Pointer))) ? ((*(var_1_13_Pointer)) == ((unsigned char) ((*(var_1_15_Pointer)) && (*(var_1_16_Pointer))))) : ((*(var_1_13_Pointer)) == ((unsigned char) (((*(var_1_20_Pointer)) >= (*(var_1_20_Pointer))) || (*(var_1_15_Pointer))))))) && ((*(var_1_18_Pointer)) == ((unsigned short int) (*(var_1_19_Pointer)))) [L115] EXPR \read(*var_1_18_Pointer) [L115] EXPR \read(*var_1_19_Pointer) [L115] EXPR ((((*(var_1_13_Pointer)) ? (((*(var_1_10_Pointer)) > (*(var_1_22_Pointer))) ? ((*(var_1_13_Pointer)) ? ((*(var_1_1_Pointer)) == ((signed short int) ((*(var_1_7_Pointer)) - ((*(var_1_8_Pointer)) - (*(var_1_9_Pointer)))))) : ((*(var_1_1_Pointer)) == ((signed short int) (*(var_1_18_Pointer))))) : ((*(var_1_1_Pointer)) == ((signed short int) 8))) : 1) && (((*(var_1_18_Pointer)) == (*(var_1_7_Pointer))) ? ((*(var_1_10_Pointer)) == ((signed char) ((*(var_1_11_Pointer)) + ((*(var_1_12_Pointer)) + -25)))) : ((((32 * -25) | (*(var_1_22_Pointer))) >= (*(var_1_11_Pointer))) ? ((*(var_1_13_Pointer)) ? ((*(var_1_10_Pointer)) == ((signed char) (*(var_1_12_Pointer)))) : 1) : 1))) && ((127.5f > (*(var_1_20_Pointer))) ? ((*(var_1_13_Pointer)) == ((unsigned char) ((*(var_1_15_Pointer)) && (*(var_1_16_Pointer))))) : ((*(var_1_13_Pointer)) == ((unsigned char) (((*(var_1_20_Pointer)) >= (*(var_1_20_Pointer))) || (*(var_1_15_Pointer))))))) && ((*(var_1_18_Pointer)) == ((unsigned short int) (*(var_1_19_Pointer)))) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, 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}] [L115] EXPR (((((*(var_1_13_Pointer)) ? (((*(var_1_10_Pointer)) > (*(var_1_22_Pointer))) ? ((*(var_1_13_Pointer)) ? ((*(var_1_1_Pointer)) == ((signed short int) ((*(var_1_7_Pointer)) - ((*(var_1_8_Pointer)) - (*(var_1_9_Pointer)))))) : ((*(var_1_1_Pointer)) == ((signed short int) (*(var_1_18_Pointer))))) : ((*(var_1_1_Pointer)) == ((signed short int) 8))) : 1) && (((*(var_1_18_Pointer)) == (*(var_1_7_Pointer))) ? ((*(var_1_10_Pointer)) == ((signed char) ((*(var_1_11_Pointer)) + ((*(var_1_12_Pointer)) + -25)))) : ((((32 * -25) | (*(var_1_22_Pointer))) >= (*(var_1_11_Pointer))) ? ((*(var_1_13_Pointer)) ? ((*(var_1_10_Pointer)) == ((signed char) (*(var_1_12_Pointer)))) : 1) : 1))) && ((127.5f > (*(var_1_20_Pointer))) ? ((*(var_1_13_Pointer)) == ((unsigned char) ((*(var_1_15_Pointer)) && (*(var_1_16_Pointer))))) : ((*(var_1_13_Pointer)) == ((unsigned char) (((*(var_1_20_Pointer)) >= (*(var_1_20_Pointer))) || (*(var_1_15_Pointer))))))) && ((*(var_1_18_Pointer)) == ((unsigned short int) (*(var_1_19_Pointer))))) && ((*(var_1_20_Pointer)) == ((float) (*(var_1_21_Pointer)))) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, 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}] [L115] EXPR (((((*(var_1_13_Pointer)) ? (((*(var_1_10_Pointer)) > (*(var_1_22_Pointer))) ? ((*(var_1_13_Pointer)) ? ((*(var_1_1_Pointer)) == ((signed short int) ((*(var_1_7_Pointer)) - ((*(var_1_8_Pointer)) - (*(var_1_9_Pointer)))))) : ((*(var_1_1_Pointer)) == ((signed short int) (*(var_1_18_Pointer))))) : ((*(var_1_1_Pointer)) == ((signed short int) 8))) : 1) && (((*(var_1_18_Pointer)) == (*(var_1_7_Pointer))) ? ((*(var_1_10_Pointer)) == ((signed char) ((*(var_1_11_Pointer)) + ((*(var_1_12_Pointer)) + -25)))) : ((((32 * -25) | (*(var_1_22_Pointer))) >= (*(var_1_11_Pointer))) ? ((*(var_1_13_Pointer)) ? ((*(var_1_10_Pointer)) == ((signed char) (*(var_1_12_Pointer)))) : 1) : 1))) && ((127.5f > (*(var_1_20_Pointer))) ? ((*(var_1_13_Pointer)) == ((unsigned char) ((*(var_1_15_Pointer)) && (*(var_1_16_Pointer))))) : ((*(var_1_13_Pointer)) == ((unsigned char) (((*(var_1_20_Pointer)) >= (*(var_1_20_Pointer))) || (*(var_1_15_Pointer))))))) && ((*(var_1_18_Pointer)) == ((unsigned short int) (*(var_1_19_Pointer))))) && ((*(var_1_20_Pointer)) == ((float) (*(var_1_21_Pointer)))) [L115] EXPR \read(*var_1_20_Pointer) [L115] EXPR \read(*var_1_21_Pointer) [L115] EXPR (((((*(var_1_13_Pointer)) ? (((*(var_1_10_Pointer)) > (*(var_1_22_Pointer))) ? ((*(var_1_13_Pointer)) ? ((*(var_1_1_Pointer)) == ((signed short int) ((*(var_1_7_Pointer)) - ((*(var_1_8_Pointer)) - (*(var_1_9_Pointer)))))) : ((*(var_1_1_Pointer)) == ((signed short int) (*(var_1_18_Pointer))))) : ((*(var_1_1_Pointer)) == ((signed short int) 8))) : 1) && (((*(var_1_18_Pointer)) == (*(var_1_7_Pointer))) ? ((*(var_1_10_Pointer)) == ((signed char) ((*(var_1_11_Pointer)) + ((*(var_1_12_Pointer)) + -25)))) : ((((32 * -25) | (*(var_1_22_Pointer))) >= (*(var_1_11_Pointer))) ? ((*(var_1_13_Pointer)) ? ((*(var_1_10_Pointer)) == ((signed char) (*(var_1_12_Pointer)))) : 1) : 1))) && ((127.5f > (*(var_1_20_Pointer))) ? ((*(var_1_13_Pointer)) == ((unsigned char) ((*(var_1_15_Pointer)) && (*(var_1_16_Pointer))))) : ((*(var_1_13_Pointer)) == ((unsigned char) (((*(var_1_20_Pointer)) >= (*(var_1_20_Pointer))) || (*(var_1_15_Pointer))))))) && ((*(var_1_18_Pointer)) == ((unsigned short int) (*(var_1_19_Pointer))))) && ((*(var_1_20_Pointer)) == ((float) (*(var_1_21_Pointer)))) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, 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}] [L115] EXPR ((((((*(var_1_13_Pointer)) ? (((*(var_1_10_Pointer)) > (*(var_1_22_Pointer))) ? ((*(var_1_13_Pointer)) ? ((*(var_1_1_Pointer)) == ((signed short int) ((*(var_1_7_Pointer)) - ((*(var_1_8_Pointer)) - (*(var_1_9_Pointer)))))) : ((*(var_1_1_Pointer)) == ((signed short int) (*(var_1_18_Pointer))))) : ((*(var_1_1_Pointer)) == ((signed short int) 8))) : 1) && (((*(var_1_18_Pointer)) == (*(var_1_7_Pointer))) ? ((*(var_1_10_Pointer)) == ((signed char) ((*(var_1_11_Pointer)) + ((*(var_1_12_Pointer)) + -25)))) : ((((32 * -25) | (*(var_1_22_Pointer))) >= (*(var_1_11_Pointer))) ? ((*(var_1_13_Pointer)) ? ((*(var_1_10_Pointer)) == ((signed char) (*(var_1_12_Pointer)))) : 1) : 1))) && ((127.5f > (*(var_1_20_Pointer))) ? ((*(var_1_13_Pointer)) == ((unsigned char) ((*(var_1_15_Pointer)) && (*(var_1_16_Pointer))))) : ((*(var_1_13_Pointer)) == ((unsigned char) (((*(var_1_20_Pointer)) >= (*(var_1_20_Pointer))) || (*(var_1_15_Pointer))))))) && ((*(var_1_18_Pointer)) == ((unsigned short int) (*(var_1_19_Pointer))))) && ((*(var_1_20_Pointer)) == ((float) (*(var_1_21_Pointer))))) && ((*(var_1_22_Pointer)) == ((signed short int) (*(var_1_12_Pointer)))) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, 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}] [L115] EXPR ((((((*(var_1_13_Pointer)) ? (((*(var_1_10_Pointer)) > (*(var_1_22_Pointer))) ? ((*(var_1_13_Pointer)) ? ((*(var_1_1_Pointer)) == ((signed short int) ((*(var_1_7_Pointer)) - ((*(var_1_8_Pointer)) - (*(var_1_9_Pointer)))))) : ((*(var_1_1_Pointer)) == ((signed short int) (*(var_1_18_Pointer))))) : ((*(var_1_1_Pointer)) == ((signed short int) 8))) : 1) && (((*(var_1_18_Pointer)) == (*(var_1_7_Pointer))) ? ((*(var_1_10_Pointer)) == ((signed char) ((*(var_1_11_Pointer)) + ((*(var_1_12_Pointer)) + -25)))) : ((((32 * -25) | (*(var_1_22_Pointer))) >= (*(var_1_11_Pointer))) ? ((*(var_1_13_Pointer)) ? ((*(var_1_10_Pointer)) == ((signed char) (*(var_1_12_Pointer)))) : 1) : 1))) && ((127.5f > (*(var_1_20_Pointer))) ? ((*(var_1_13_Pointer)) == ((unsigned char) ((*(var_1_15_Pointer)) && (*(var_1_16_Pointer))))) : ((*(var_1_13_Pointer)) == ((unsigned char) (((*(var_1_20_Pointer)) >= (*(var_1_20_Pointer))) || (*(var_1_15_Pointer))))))) && ((*(var_1_18_Pointer)) == ((unsigned short int) (*(var_1_19_Pointer))))) && ((*(var_1_20_Pointer)) == ((float) (*(var_1_21_Pointer))))) && ((*(var_1_22_Pointer)) == ((signed short int) (*(var_1_12_Pointer)))) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, 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}] [L115-L116] return ((((((*(var_1_13_Pointer)) ? (((*(var_1_10_Pointer)) > (*(var_1_22_Pointer))) ? ((*(var_1_13_Pointer)) ? ((*(var_1_1_Pointer)) == ((signed short int) ((*(var_1_7_Pointer)) - ((*(var_1_8_Pointer)) - (*(var_1_9_Pointer)))))) : ((*(var_1_1_Pointer)) == ((signed short int) (*(var_1_18_Pointer))))) : ((*(var_1_1_Pointer)) == ((signed short int) 8))) : 1) && (((*(var_1_18_Pointer)) == (*(var_1_7_Pointer))) ? ((*(var_1_10_Pointer)) == ((signed char) ((*(var_1_11_Pointer)) + ((*(var_1_12_Pointer)) + -25)))) : ((((32 * -25) | (*(var_1_22_Pointer))) >= (*(var_1_11_Pointer))) ? ((*(var_1_13_Pointer)) ? ((*(var_1_10_Pointer)) == ((signed char) (*(var_1_12_Pointer)))) : 1) : 1))) && ((127.5f > (*(var_1_20_Pointer))) ? ((*(var_1_13_Pointer)) == ((unsigned char) ((*(var_1_15_Pointer)) && (*(var_1_16_Pointer))))) : ((*(var_1_13_Pointer)) == ((unsigned char) (((*(var_1_20_Pointer)) >= (*(var_1_20_Pointer))) || (*(var_1_15_Pointer))))))) && ((*(var_1_18_Pointer)) == ((unsigned short int) (*(var_1_19_Pointer))))) && ((*(var_1_20_Pointer)) == ((float) (*(var_1_21_Pointer))))) && ((*(var_1_22_Pointer)) == ((signed short int) (*(var_1_12_Pointer)))) ; [L125] RET, EXPR property() [L125] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, 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, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, 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, 108 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 24.1s, OverallIterations: 21, TraceHistogramMax: 17, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 5.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3734 SdHoareTripleChecker+Valid, 2.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3734 mSDsluCounter, 15772 SdHoareTripleChecker+Invalid, 2.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 12270 mSDsCounter, 610 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3388 IncrementalHoareTripleChecker+Invalid, 3998 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 610 mSolverCounterUnsat, 3502 mSDtfsCounter, 3388 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2278 GetRequests, 2023 SyntacticMatches, 7 SemanticMatches, 248 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 893 ImplicationChecksByTransitivity, 3.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=552occurred in iteration=11, InterpolantAutomatonStates: 164, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 20 MinimizatonAttempts, 1358 StatesRemovedByMinimization, 15 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.7s SsaConstructionTime, 1.8s SatisfiabilityAnalysisTime, 11.0s InterpolantComputationTime, 4388 NumberOfCodeBlocks, 4388 NumberOfCodeBlocksAsserted, 32 NumberOfCheckSat, 4761 ConstructedInterpolants, 0 QuantifiedInterpolants, 14075 SizeOfPredicates, 54 NumberOfNonLiveVariables, 6779 ConjunctsInSsa, 123 ConjunctsInUnsatCore, 35 InterpolantComputations, 17 PerfectInterpolantSequences, 17698/19040 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-02 13:35:32,875 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/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_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-97.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/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_c4555750-4633-4253-b2e4-e6ffd30bd21d/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 7188c6f24541aba260187a36aa9df009a62318807d29ed8104d2cc5db8c5a63b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 13:35:34,958 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 13:35:35,048 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-12-02 13:35:35,054 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 13:35:35,054 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 13:35:35,077 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 13:35:35,078 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 13:35:35,078 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 13:35:35,078 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 13:35:35,078 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 13:35:35,078 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 13:35:35,079 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 13:35:35,079 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 13:35:35,079 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 13:35:35,079 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 13:35:35,079 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 13:35:35,079 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 13:35:35,080 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 13:35:35,080 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 13:35:35,080 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 13:35:35,080 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 13:35:35,080 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 13:35:35,080 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 13:35:35,080 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-02 13:35:35,080 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-02 13:35:35,080 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-02 13:35:35,080 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 13:35:35,081 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 13:35:35,081 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 13:35:35,081 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 13:35:35,081 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 13:35:35,081 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 13:35:35,081 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 13:35:35,081 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 13:35:35,081 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 13:35:35,081 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 13:35:35,081 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 13:35:35,081 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 13:35:35,082 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 13:35:35,082 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 13:35:35,082 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 13:35:35,082 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 13:35:35,082 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 13:35:35,082 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 13:35:35,082 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-12-02 13:35:35,082 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-02 13:35:35,083 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 13:35:35,083 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 13:35:35,083 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 13:35:35,083 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 13:35:35,083 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_c4555750-4633-4253-b2e4-e6ffd30bd21d/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 -> 7188c6f24541aba260187a36aa9df009a62318807d29ed8104d2cc5db8c5a63b [2024-12-02 13:35:35,327 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 13:35:35,334 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 13:35:35,337 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 13:35:35,338 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 13:35:35,338 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 13:35:35,340 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-97.i [2024-12-02 13:35:37,991 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/data/1a7105c59/1c4bb70f0fe049f69f3282eeab65599a/FLAG0d2886056 [2024-12-02 13:35:38,203 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 13:35:38,203 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-97.i [2024-12-02 13:35:38,212 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/data/1a7105c59/1c4bb70f0fe049f69f3282eeab65599a/FLAG0d2886056 [2024-12-02 13:35:38,229 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/data/1a7105c59/1c4bb70f0fe049f69f3282eeab65599a [2024-12-02 13:35:38,231 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 13:35:38,233 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 13:35:38,235 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 13:35:38,235 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 13:35:38,240 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 13:35:38,241 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:35:38" (1/1) ... [2024-12-02 13:35:38,242 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d37eaf1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:35:38, skipping insertion in model container [2024-12-02 13:35:38,242 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:35:38" (1/1) ... [2024-12-02 13:35:38,263 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 13:35:38,413 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_c4555750-4633-4253-b2e4-e6ffd30bd21d/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-97.i[916,929] [2024-12-02 13:35:38,470 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 13:35:38,489 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 13:35:38,502 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_c4555750-4633-4253-b2e4-e6ffd30bd21d/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-97.i[916,929] [2024-12-02 13:35:38,533 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 13:35:38,556 INFO L204 MainTranslator]: Completed translation [2024-12-02 13:35:38,557 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:35:38 WrapperNode [2024-12-02 13:35:38,557 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 13:35:38,558 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 13:35:38,558 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 13:35:38,558 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 13:35:38,566 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:35:38" (1/1) ... [2024-12-02 13:35:38,581 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:35:38" (1/1) ... [2024-12-02 13:35:38,611 INFO L138 Inliner]: procedures = 33, calls = 159, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 449 [2024-12-02 13:35:38,612 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 13:35:38,612 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 13:35:38,613 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 13:35:38,613 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 13:35:38,624 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:35:38" (1/1) ... [2024-12-02 13:35:38,624 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:35:38" (1/1) ... [2024-12-02 13:35:38,631 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:35:38" (1/1) ... [2024-12-02 13:35:38,655 INFO L175 MemorySlicer]: Split 116 memory accesses to 16 slices as follows [2, 7, 8, 6, 6, 7, 8, 10, 11, 8, 6, 7, 6, 9, 8, 7]. 9 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]. The 19 writes are split as follows [0, 3, 1, 1, 1, 2, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1]. [2024-12-02 13:35:38,655 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:35:38" (1/1) ... [2024-12-02 13:35:38,656 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:35:38" (1/1) ... [2024-12-02 13:35:38,677 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:35:38" (1/1) ... [2024-12-02 13:35:38,679 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:35:38" (1/1) ... [2024-12-02 13:35:38,683 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:35:38" (1/1) ... [2024-12-02 13:35:38,690 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:35:38" (1/1) ... [2024-12-02 13:35:38,693 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:35:38" (1/1) ... [2024-12-02 13:35:38,702 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 13:35:38,703 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 13:35:38,703 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 13:35:38,703 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 13:35:38,704 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:35:38" (1/1) ... [2024-12-02 13:35:38,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 13:35:38,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:35:38,737 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 13:35:38,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 13:35:38,758 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 13:35:38,759 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-12-02 13:35:38,759 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-12-02 13:35:38,759 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-12-02 13:35:38,759 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-12-02 13:35:38,759 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-12-02 13:35:38,759 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2024-12-02 13:35:38,759 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#6 [2024-12-02 13:35:38,759 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#7 [2024-12-02 13:35:38,759 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#8 [2024-12-02 13:35:38,759 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#9 [2024-12-02 13:35:38,759 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#10 [2024-12-02 13:35:38,759 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#11 [2024-12-02 13:35:38,760 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#12 [2024-12-02 13:35:38,760 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#13 [2024-12-02 13:35:38,760 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#14 [2024-12-02 13:35:38,760 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#15 [2024-12-02 13:35:38,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#0 [2024-12-02 13:35:38,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#1 [2024-12-02 13:35:38,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#2 [2024-12-02 13:35:38,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#3 [2024-12-02 13:35:38,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#4 [2024-12-02 13:35:38,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#5 [2024-12-02 13:35:38,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#6 [2024-12-02 13:35:38,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#7 [2024-12-02 13:35:38,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#8 [2024-12-02 13:35:38,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#9 [2024-12-02 13:35:38,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#10 [2024-12-02 13:35:38,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#11 [2024-12-02 13:35:38,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#12 [2024-12-02 13:35:38,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#13 [2024-12-02 13:35:38,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#14 [2024-12-02 13:35:38,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#15 [2024-12-02 13:35:38,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-12-02 13:35:38,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-12-02 13:35:38,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-12-02 13:35:38,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-12-02 13:35:38,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-12-02 13:35:38,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-12-02 13:35:38,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-12-02 13:35:38,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-12-02 13:35:38,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2024-12-02 13:35:38,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2024-12-02 13:35:38,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2024-12-02 13:35:38,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#11 [2024-12-02 13:35:38,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#12 [2024-12-02 13:35:38,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#13 [2024-12-02 13:35:38,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#14 [2024-12-02 13:35:38,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#15 [2024-12-02 13:35:38,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2024-12-02 13:35:38,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2024-12-02 13:35:38,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2024-12-02 13:35:38,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2024-12-02 13:35:38,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2024-12-02 13:35:38,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5 [2024-12-02 13:35:38,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#6 [2024-12-02 13:35:38,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#7 [2024-12-02 13:35:38,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#8 [2024-12-02 13:35:38,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#9 [2024-12-02 13:35:38,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#10 [2024-12-02 13:35:38,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#11 [2024-12-02 13:35:38,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#12 [2024-12-02 13:35:38,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#13 [2024-12-02 13:35:38,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#14 [2024-12-02 13:35:38,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#15 [2024-12-02 13:35:38,764 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#0 [2024-12-02 13:35:38,764 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#1 [2024-12-02 13:35:38,764 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#2 [2024-12-02 13:35:38,764 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#3 [2024-12-02 13:35:38,764 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#4 [2024-12-02 13:35:38,764 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#5 [2024-12-02 13:35:38,764 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#6 [2024-12-02 13:35:38,764 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#7 [2024-12-02 13:35:38,764 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#8 [2024-12-02 13:35:38,764 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#9 [2024-12-02 13:35:38,764 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#10 [2024-12-02 13:35:38,764 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#11 [2024-12-02 13:35:38,764 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#12 [2024-12-02 13:35:38,764 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#13 [2024-12-02 13:35:38,764 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#14 [2024-12-02 13:35:38,765 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#15 [2024-12-02 13:35:38,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2024-12-02 13:35:38,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2024-12-02 13:35:38,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2024-12-02 13:35:38,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2024-12-02 13:35:38,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4 [2024-12-02 13:35:38,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5 [2024-12-02 13:35:38,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#6 [2024-12-02 13:35:38,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#7 [2024-12-02 13:35:38,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#8 [2024-12-02 13:35:38,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#9 [2024-12-02 13:35:38,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#10 [2024-12-02 13:35:38,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#11 [2024-12-02 13:35:38,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#12 [2024-12-02 13:35:38,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#13 [2024-12-02 13:35:38,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#14 [2024-12-02 13:35:38,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#15 [2024-12-02 13:35:38,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0 [2024-12-02 13:35:38,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1 [2024-12-02 13:35:38,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#2 [2024-12-02 13:35:38,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#3 [2024-12-02 13:35:38,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#4 [2024-12-02 13:35:38,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#5 [2024-12-02 13:35:38,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#6 [2024-12-02 13:35:38,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#7 [2024-12-02 13:35:38,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#8 [2024-12-02 13:35:38,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#9 [2024-12-02 13:35:38,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#10 [2024-12-02 13:35:38,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#11 [2024-12-02 13:35:38,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#12 [2024-12-02 13:35:38,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#13 [2024-12-02 13:35:38,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#14 [2024-12-02 13:35:38,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#15 [2024-12-02 13:35:38,767 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 13:35:38,767 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 13:35:38,768 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 13:35:38,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 13:35:38,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-12-02 13:35:38,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-12-02 13:35:38,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-12-02 13:35:38,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-12-02 13:35:38,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-12-02 13:35:38,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2024-12-02 13:35:38,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#6 [2024-12-02 13:35:38,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#7 [2024-12-02 13:35:38,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#8 [2024-12-02 13:35:38,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#9 [2024-12-02 13:35:38,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#10 [2024-12-02 13:35:38,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#11 [2024-12-02 13:35:38,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#12 [2024-12-02 13:35:38,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#13 [2024-12-02 13:35:38,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#14 [2024-12-02 13:35:38,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#15 [2024-12-02 13:35:38,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#0 [2024-12-02 13:35:38,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#1 [2024-12-02 13:35:38,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#2 [2024-12-02 13:35:38,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#3 [2024-12-02 13:35:38,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#4 [2024-12-02 13:35:38,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#5 [2024-12-02 13:35:38,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#6 [2024-12-02 13:35:38,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#7 [2024-12-02 13:35:38,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#8 [2024-12-02 13:35:38,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#9 [2024-12-02 13:35:38,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#10 [2024-12-02 13:35:38,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#11 [2024-12-02 13:35:38,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#12 [2024-12-02 13:35:38,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#13 [2024-12-02 13:35:38,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#14 [2024-12-02 13:35:38,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#15 [2024-12-02 13:35:38,993 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 13:35:38,996 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 13:35:39,523 INFO L? ?]: Removed 80 outVars from TransFormulas that were not future-live. [2024-12-02 13:35:39,523 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 13:35:39,534 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 13:35:39,534 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 13:35:39,535 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:35:39 BoogieIcfgContainer [2024-12-02 13:35:39,535 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 13:35:39,545 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 13:35:39,545 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 13:35:39,550 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 13:35:39,550 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 01:35:38" (1/3) ... [2024-12-02 13:35:39,551 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f5ebc38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:35:39, skipping insertion in model container [2024-12-02 13:35:39,551 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:35:38" (2/3) ... [2024-12-02 13:35:39,551 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f5ebc38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:35:39, skipping insertion in model container [2024-12-02 13:35:39,551 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:35:39" (3/3) ... [2024-12-02 13:35:39,553 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-p_file-97.i [2024-12-02 13:35:39,567 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 13:35:39,569 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-p_file-97.i that has 2 procedures, 100 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 13:35:39,624 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 13:35:39,634 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;@222c7eac, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 13:35:39,634 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 13:35:39,638 INFO L276 IsEmpty]: Start isEmpty. Operand has 100 states, 80 states have (on average 1.3875) internal successors, (111), 81 states have internal predecessors, (111), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-12-02 13:35:39,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-12-02 13:35:39,649 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:35:39,650 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:35:39,650 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:35:39,655 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:35:39,656 INFO L85 PathProgramCache]: Analyzing trace with hash 993834081, now seen corresponding path program 1 times [2024-12-02 13:35:39,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:35:39,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1297278729] [2024-12-02 13:35:39,667 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:35:39,668 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:35:39,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:35:39,670 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 13:35:39,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-12-02 13:35:40,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:35:40,066 INFO L256 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 13:35:40,074 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:35:40,108 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 288 proven. 0 refuted. 0 times theorem prover too weak. 256 trivial. 0 not checked. [2024-12-02 13:35:40,108 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:35:40,109 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:35:40,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1297278729] [2024-12-02 13:35:40,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1297278729] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:35:40,109 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:35:40,110 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 13:35:40,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734137600] [2024-12-02 13:35:40,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:35:40,116 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 13:35:40,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:35:40,131 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 13:35:40,132 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 13:35:40,134 INFO L87 Difference]: Start difference. First operand has 100 states, 80 states have (on average 1.3875) internal successors, (111), 81 states have internal predecessors, (111), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) Second operand has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-12-02 13:35:40,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:35:40,159 INFO L93 Difference]: Finished difference Result 193 states and 301 transitions. [2024-12-02 13:35:40,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 13:35:40,161 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 134 [2024-12-02 13:35:40,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:35:40,166 INFO L225 Difference]: With dead ends: 193 [2024-12-02 13:35:40,166 INFO L226 Difference]: Without dead ends: 96 [2024-12-02 13:35:40,169 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 13:35:40,172 INFO L435 NwaCegarLoop]: 138 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, 138 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 13:35:40,172 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 13:35:40,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2024-12-02 13:35:40,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2024-12-02 13:35:40,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 77 states have (on average 1.3506493506493507) internal successors, (104), 77 states have internal predecessors, (104), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-12-02 13:35:40,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 138 transitions. [2024-12-02 13:35:40,214 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 138 transitions. Word has length 134 [2024-12-02 13:35:40,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:35:40,214 INFO L471 AbstractCegarLoop]: Abstraction has 96 states and 138 transitions. [2024-12-02 13:35:40,215 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-12-02 13:35:40,215 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 138 transitions. [2024-12-02 13:35:40,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-12-02 13:35:40,225 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:35:40,225 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:35:40,232 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-12-02 13:35:40,426 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:35:40,426 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:35:40,427 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:35:40,427 INFO L85 PathProgramCache]: Analyzing trace with hash 1139851071, now seen corresponding path program 1 times [2024-12-02 13:35:40,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:35:40,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1261281002] [2024-12-02 13:35:40,428 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:35:40,428 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:35:40,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:35:40,430 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 13:35:40,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-12-02 13:35:40,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:35:40,826 INFO L256 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-12-02 13:35:40,835 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:35:41,907 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 42 treesize of output 26 [2024-12-02 13:35:41,945 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 13:35:41,980 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 13:35:42,004 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 39 proven. 217 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-12-02 13:35:42,004 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:35:42,538 INFO L349 Elim1Store]: treesize reduction 4, result has 63.6 percent of original size [2024-12-02 13:35:42,538 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 13:35:42,755 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 75 proven. 18 refuted. 0 times theorem prover too weak. 451 trivial. 0 not checked. [2024-12-02 13:35:42,755 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:35:42,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1261281002] [2024-12-02 13:35:42,755 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1261281002] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 13:35:42,756 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 13:35:42,756 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 24 [2024-12-02 13:35:42,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378512548] [2024-12-02 13:35:42,756 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 13:35:42,757 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-12-02 13:35:42,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:35:42,758 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-12-02 13:35:42,759 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=439, Unknown=0, NotChecked=0, Total=552 [2024-12-02 13:35:42,759 INFO L87 Difference]: Start difference. First operand 96 states and 138 transitions. Second operand has 24 states, 20 states have (on average 4.35) internal successors, (87), 22 states have internal predecessors, (87), 7 states have call successors, (34), 4 states have call predecessors, (34), 7 states have return successors, (34), 5 states have call predecessors, (34), 7 states have call successors, (34) [2024-12-02 13:35:44,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:35:44,638 INFO L93 Difference]: Finished difference Result 304 states and 426 transitions. [2024-12-02 13:35:44,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-12-02 13:35:44,638 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 20 states have (on average 4.35) internal successors, (87), 22 states have internal predecessors, (87), 7 states have call successors, (34), 4 states have call predecessors, (34), 7 states have return successors, (34), 5 states have call predecessors, (34), 7 states have call successors, (34) Word has length 134 [2024-12-02 13:35:44,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:35:44,641 INFO L225 Difference]: With dead ends: 304 [2024-12-02 13:35:44,641 INFO L226 Difference]: Without dead ends: 211 [2024-12-02 13:35:44,643 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 294 GetRequests, 245 SyntacticMatches, 1 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 485 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=559, Invalid=1891, Unknown=0, NotChecked=0, Total=2450 [2024-12-02 13:35:44,644 INFO L435 NwaCegarLoop]: 152 mSDtfsCounter, 653 mSDsluCounter, 1302 mSDsCounter, 0 mSdLazyCounter, 507 mSolverCounterSat, 254 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 654 SdHoareTripleChecker+Valid, 1454 SdHoareTripleChecker+Invalid, 761 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 254 IncrementalHoareTripleChecker+Valid, 507 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-12-02 13:35:44,645 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [654 Valid, 1454 Invalid, 761 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [254 Valid, 507 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-12-02 13:35:44,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2024-12-02 13:35:44,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 111. [2024-12-02 13:35:44,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 90 states have (on average 1.3333333333333333) internal successors, (120), 90 states have internal predecessors, (120), 17 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-12-02 13:35:44,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 154 transitions. [2024-12-02 13:35:44,666 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 154 transitions. Word has length 134 [2024-12-02 13:35:44,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:35:44,668 INFO L471 AbstractCegarLoop]: Abstraction has 111 states and 154 transitions. [2024-12-02 13:35:44,669 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 20 states have (on average 4.35) internal successors, (87), 22 states have internal predecessors, (87), 7 states have call successors, (34), 4 states have call predecessors, (34), 7 states have return successors, (34), 5 states have call predecessors, (34), 7 states have call successors, (34) [2024-12-02 13:35:44,669 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 154 transitions. [2024-12-02 13:35:44,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-12-02 13:35:44,671 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:35:44,671 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:35:44,679 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-12-02 13:35:44,872 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:35:44,872 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:35:44,872 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:35:44,873 INFO L85 PathProgramCache]: Analyzing trace with hash 1358705789, now seen corresponding path program 1 times [2024-12-02 13:35:44,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:35:44,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [834873474] [2024-12-02 13:35:44,873 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:35:44,873 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:35:44,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:35:44,875 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 13:35:44,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-12-02 13:35:45,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:35:45,187 INFO L256 TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-02 13:35:45,193 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:35:45,794 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 42 treesize of output 26 [2024-12-02 13:35:45,812 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 35 proven. 279 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2024-12-02 13:35:45,812 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:35:46,152 INFO L349 Elim1Store]: treesize reduction 4, result has 63.6 percent of original size [2024-12-02 13:35:46,153 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 13:35:46,268 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 63 proven. 30 refuted. 0 times theorem prover too weak. 451 trivial. 0 not checked. [2024-12-02 13:35:46,268 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:35:46,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [834873474] [2024-12-02 13:35:46,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [834873474] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 13:35:46,268 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 13:35:46,268 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 20 [2024-12-02 13:35:46,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45174822] [2024-12-02 13:35:46,268 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 13:35:46,268 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-12-02 13:35:46,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:35:46,269 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-12-02 13:35:46,269 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=277, Unknown=0, NotChecked=0, Total=380 [2024-12-02 13:35:46,270 INFO L87 Difference]: Start difference. First operand 111 states and 154 transitions. Second operand has 20 states, 16 states have (on average 5.1875) internal successors, (83), 18 states have internal predecessors, (83), 7 states have call successors, (34), 4 states have call predecessors, (34), 7 states have return successors, (34), 5 states have call predecessors, (34), 7 states have call successors, (34) [2024-12-02 13:35:47,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:35:47,210 INFO L93 Difference]: Finished difference Result 250 states and 344 transitions. [2024-12-02 13:35:47,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-12-02 13:35:47,211 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 16 states have (on average 5.1875) internal successors, (83), 18 states have internal predecessors, (83), 7 states have call successors, (34), 4 states have call predecessors, (34), 7 states have return successors, (34), 5 states have call predecessors, (34), 7 states have call successors, (34) Word has length 134 [2024-12-02 13:35:47,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:35:47,213 INFO L225 Difference]: With dead ends: 250 [2024-12-02 13:35:47,213 INFO L226 Difference]: Without dead ends: 142 [2024-12-02 13:35:47,214 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 277 GetRequests, 248 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=257, Invalid=613, Unknown=0, NotChecked=0, Total=870 [2024-12-02 13:35:47,214 INFO L435 NwaCegarLoop]: 137 mSDtfsCounter, 696 mSDsluCounter, 767 mSDsCounter, 0 mSdLazyCounter, 491 mSolverCounterSat, 166 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 697 SdHoareTripleChecker+Valid, 904 SdHoareTripleChecker+Invalid, 657 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 166 IncrementalHoareTripleChecker+Valid, 491 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-12-02 13:35:47,215 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [697 Valid, 904 Invalid, 657 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [166 Valid, 491 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-12-02 13:35:47,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2024-12-02 13:35:47,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 139. [2024-12-02 13:35:47,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 106 states have (on average 1.2735849056603774) internal successors, (135), 107 states have internal predecessors, (135), 27 states have call successors, (27), 5 states have call predecessors, (27), 5 states have return successors, (27), 26 states have call predecessors, (27), 27 states have call successors, (27) [2024-12-02 13:35:47,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 189 transitions. [2024-12-02 13:35:47,240 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 189 transitions. Word has length 134 [2024-12-02 13:35:47,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:35:47,240 INFO L471 AbstractCegarLoop]: Abstraction has 139 states and 189 transitions. [2024-12-02 13:35:47,241 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 16 states have (on average 5.1875) internal successors, (83), 18 states have internal predecessors, (83), 7 states have call successors, (34), 4 states have call predecessors, (34), 7 states have return successors, (34), 5 states have call predecessors, (34), 7 states have call successors, (34) [2024-12-02 13:35:47,241 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 189 transitions. [2024-12-02 13:35:47,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-12-02 13:35:47,243 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:35:47,243 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:35:47,249 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/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 13:35:47,443 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:35:47,444 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:35:47,444 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:35:47,444 INFO L85 PathProgramCache]: Analyzing trace with hash 416205030, now seen corresponding path program 1 times [2024-12-02 13:35:47,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:35:47,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [937289642] [2024-12-02 13:35:47,445 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:35:47,445 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:35:47,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:35:47,447 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 13:35:47,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/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 13:35:47,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:35:47,699 INFO L256 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-12-02 13:35:47,703 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:35:48,231 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 42 treesize of output 26 [2024-12-02 13:35:48,255 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 13:35:48,277 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 13:35:48,295 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 35 proven. 279 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2024-12-02 13:35:48,295 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:35:48,701 INFO L349 Elim1Store]: treesize reduction 4, result has 63.6 percent of original size [2024-12-02 13:35:48,701 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 13:35:48,845 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 63 proven. 30 refuted. 0 times theorem prover too weak. 451 trivial. 0 not checked. [2024-12-02 13:35:48,845 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:35:48,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [937289642] [2024-12-02 13:35:48,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [937289642] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 13:35:48,846 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 13:35:48,846 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 24 [2024-12-02 13:35:48,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107592620] [2024-12-02 13:35:48,846 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 13:35:48,847 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-12-02 13:35:48,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:35:48,847 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-12-02 13:35:48,848 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=439, Unknown=0, NotChecked=0, Total=552 [2024-12-02 13:35:48,848 INFO L87 Difference]: Start difference. First operand 139 states and 189 transitions. Second operand has 24 states, 20 states have (on average 4.45) internal successors, (89), 22 states have internal predecessors, (89), 7 states have call successors, (34), 4 states have call predecessors, (34), 7 states have return successors, (34), 5 states have call predecessors, (34), 7 states have call successors, (34) [2024-12-02 13:35:50,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:35:50,604 INFO L93 Difference]: Finished difference Result 362 states and 485 transitions. [2024-12-02 13:35:50,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-12-02 13:35:50,605 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 20 states have (on average 4.45) internal successors, (89), 22 states have internal predecessors, (89), 7 states have call successors, (34), 4 states have call predecessors, (34), 7 states have return successors, (34), 5 states have call predecessors, (34), 7 states have call successors, (34) Word has length 134 [2024-12-02 13:35:50,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:35:50,607 INFO L225 Difference]: With dead ends: 362 [2024-12-02 13:35:50,607 INFO L226 Difference]: Without dead ends: 247 [2024-12-02 13:35:50,609 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 295 GetRequests, 246 SyntacticMatches, 1 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 460 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=559, Invalid=1891, Unknown=0, NotChecked=0, Total=2450 [2024-12-02 13:35:50,610 INFO L435 NwaCegarLoop]: 207 mSDtfsCounter, 419 mSDsluCounter, 1715 mSDsCounter, 0 mSdLazyCounter, 914 mSolverCounterSat, 143 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 420 SdHoareTripleChecker+Valid, 1922 SdHoareTripleChecker+Invalid, 1057 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 143 IncrementalHoareTripleChecker+Valid, 914 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-12-02 13:35:50,610 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [420 Valid, 1922 Invalid, 1057 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [143 Valid, 914 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-12-02 13:35:50,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2024-12-02 13:35:50,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 233. [2024-12-02 13:35:50,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 233 states, 178 states have (on average 1.2696629213483146) internal successors, (226), 180 states have internal predecessors, (226), 44 states have call successors, (44), 10 states have call predecessors, (44), 10 states have return successors, (44), 42 states have call predecessors, (44), 44 states have call successors, (44) [2024-12-02 13:35:50,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 314 transitions. [2024-12-02 13:35:50,646 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 314 transitions. Word has length 134 [2024-12-02 13:35:50,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:35:50,646 INFO L471 AbstractCegarLoop]: Abstraction has 233 states and 314 transitions. [2024-12-02 13:35:50,646 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 20 states have (on average 4.45) internal successors, (89), 22 states have internal predecessors, (89), 7 states have call successors, (34), 4 states have call predecessors, (34), 7 states have return successors, (34), 5 states have call predecessors, (34), 7 states have call successors, (34) [2024-12-02 13:35:50,647 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 314 transitions. [2024-12-02 13:35:50,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-12-02 13:35:50,648 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:35:50,649 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:35:50,653 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/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 13:35:50,849 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:35:50,849 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:35:50,850 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:35:50,850 INFO L85 PathProgramCache]: Analyzing trace with hash 2003702363, now seen corresponding path program 1 times [2024-12-02 13:35:50,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:35:50,851 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1130828790] [2024-12-02 13:35:50,851 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:35:50,851 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:35:50,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:35:50,853 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 13:35:50,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/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 13:35:51,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:35:51,110 INFO L256 TraceCheckSpWp]: Trace formula consists of 357 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-12-02 13:35:51,114 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:35:51,609 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 42 treesize of output 26 [2024-12-02 13:35:51,624 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 13:35:51,652 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 13:35:51,669 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 39 proven. 217 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-12-02 13:35:51,669 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:35:52,048 INFO L349 Elim1Store]: treesize reduction 4, result has 63.6 percent of original size [2024-12-02 13:35:52,048 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 13:35:52,170 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 75 proven. 18 refuted. 0 times theorem prover too weak. 451 trivial. 0 not checked. [2024-12-02 13:35:52,170 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:35:52,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1130828790] [2024-12-02 13:35:52,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1130828790] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 13:35:52,170 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 13:35:52,170 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 24 [2024-12-02 13:35:52,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683310495] [2024-12-02 13:35:52,170 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 13:35:52,170 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-12-02 13:35:52,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:35:52,171 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-12-02 13:35:52,171 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=439, Unknown=0, NotChecked=0, Total=552 [2024-12-02 13:35:52,171 INFO L87 Difference]: Start difference. First operand 233 states and 314 transitions. Second operand has 24 states, 20 states have (on average 4.55) internal successors, (91), 22 states have internal predecessors, (91), 7 states have call successors, (34), 4 states have call predecessors, (34), 7 states have return successors, (34), 5 states have call predecessors, (34), 7 states have call successors, (34) [2024-12-02 13:35:53,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:35:53,677 INFO L93 Difference]: Finished difference Result 496 states and 654 transitions. [2024-12-02 13:35:53,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-12-02 13:35:53,677 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 20 states have (on average 4.55) internal successors, (91), 22 states have internal predecessors, (91), 7 states have call successors, (34), 4 states have call predecessors, (34), 7 states have return successors, (34), 5 states have call predecessors, (34), 7 states have call successors, (34) Word has length 135 [2024-12-02 13:35:53,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:35:53,679 INFO L225 Difference]: With dead ends: 496 [2024-12-02 13:35:53,680 INFO L226 Difference]: Without dead ends: 287 [2024-12-02 13:35:53,680 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 296 GetRequests, 247 SyntacticMatches, 1 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 485 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=559, Invalid=1891, Unknown=0, NotChecked=0, Total=2450 [2024-12-02 13:35:53,681 INFO L435 NwaCegarLoop]: 141 mSDtfsCounter, 652 mSDsluCounter, 1213 mSDsCounter, 0 mSdLazyCounter, 507 mSolverCounterSat, 221 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 653 SdHoareTripleChecker+Valid, 1354 SdHoareTripleChecker+Invalid, 728 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 221 IncrementalHoareTripleChecker+Valid, 507 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-12-02 13:35:53,681 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [653 Valid, 1354 Invalid, 728 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [221 Valid, 507 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-12-02 13:35:53,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2024-12-02 13:35:53,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 182. [2024-12-02 13:35:53,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 137 states have (on average 1.2408759124087592) internal successors, (170), 138 states have internal predecessors, (170), 34 states have call successors, (34), 10 states have call predecessors, (34), 10 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34) [2024-12-02 13:35:53,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 238 transitions. [2024-12-02 13:35:53,714 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 238 transitions. Word has length 135 [2024-12-02 13:35:53,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:35:53,714 INFO L471 AbstractCegarLoop]: Abstraction has 182 states and 238 transitions. [2024-12-02 13:35:53,715 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 20 states have (on average 4.55) internal successors, (91), 22 states have internal predecessors, (91), 7 states have call successors, (34), 4 states have call predecessors, (34), 7 states have return successors, (34), 5 states have call predecessors, (34), 7 states have call successors, (34) [2024-12-02 13:35:53,715 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 238 transitions. [2024-12-02 13:35:53,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-12-02 13:35:53,716 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:35:53,716 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:35:53,723 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/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 13:35:53,917 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:35:53,917 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:35:53,917 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:35:53,917 INFO L85 PathProgramCache]: Analyzing trace with hash 1045511572, now seen corresponding path program 1 times [2024-12-02 13:35:53,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:35:53,918 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [977550055] [2024-12-02 13:35:53,918 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:35:53,918 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 13:35:53,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:35:53,920 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 13:35:53,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/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 13:35:54,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:35:54,162 INFO L256 TraceCheckSpWp]: Trace formula consists of 358 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-12-02 13:35:54,168 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:35:54,631 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 42 treesize of output 26 [2024-12-02 13:35:54,647 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 13:35:54,672 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 13:35:54,687 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 35 proven. 279 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2024-12-02 13:35:54,687 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:35:55,008 INFO L349 Elim1Store]: treesize reduction 4, result has 63.6 percent of original size [2024-12-02 13:35:55,009 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 13:35:55,105 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 63 proven. 30 refuted. 0 times theorem prover too weak. 451 trivial. 0 not checked. [2024-12-02 13:35:55,105 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:35:55,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [977550055] [2024-12-02 13:35:55,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [977550055] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 13:35:55,106 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 13:35:55,106 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 24 [2024-12-02 13:35:55,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329017860] [2024-12-02 13:35:55,106 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 13:35:55,106 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-12-02 13:35:55,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:35:55,107 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-12-02 13:35:55,107 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=439, Unknown=0, NotChecked=0, Total=552 [2024-12-02 13:35:55,107 INFO L87 Difference]: Start difference. First operand 182 states and 238 transitions. Second operand has 24 states, 20 states have (on average 4.65) internal successors, (93), 22 states have internal predecessors, (93), 7 states have call successors, (34), 4 states have call predecessors, (34), 7 states have return successors, (34), 5 states have call predecessors, (34), 7 states have call successors, (34) [2024-12-02 13:35:56,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:35:56,631 INFO L93 Difference]: Finished difference Result 406 states and 533 transitions. [2024-12-02 13:35:56,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-12-02 13:35:56,631 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 20 states have (on average 4.65) internal successors, (93), 22 states have internal predecessors, (93), 7 states have call successors, (34), 4 states have call predecessors, (34), 7 states have return successors, (34), 5 states have call predecessors, (34), 7 states have call successors, (34) Word has length 135 [2024-12-02 13:35:56,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:35:56,633 INFO L225 Difference]: With dead ends: 406 [2024-12-02 13:35:56,633 INFO L226 Difference]: Without dead ends: 287 [2024-12-02 13:35:56,634 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 297 GetRequests, 248 SyntacticMatches, 1 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 460 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=559, Invalid=1891, Unknown=0, NotChecked=0, Total=2450 [2024-12-02 13:35:56,635 INFO L435 NwaCegarLoop]: 205 mSDtfsCounter, 502 mSDsluCounter, 1576 mSDsCounter, 0 mSdLazyCounter, 858 mSolverCounterSat, 148 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 503 SdHoareTripleChecker+Valid, 1781 SdHoareTripleChecker+Invalid, 1006 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 148 IncrementalHoareTripleChecker+Valid, 858 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-12-02 13:35:56,635 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [503 Valid, 1781 Invalid, 1006 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [148 Valid, 858 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-12-02 13:35:56,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2024-12-02 13:35:56,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 172. [2024-12-02 13:35:56,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172 states, 127 states have (on average 1.2125984251968505) internal successors, (154), 128 states have internal predecessors, (154), 34 states have call successors, (34), 10 states have call predecessors, (34), 10 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34) [2024-12-02 13:35:56,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 222 transitions. [2024-12-02 13:35:56,666 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 222 transitions. Word has length 135 [2024-12-02 13:35:56,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:35:56,667 INFO L471 AbstractCegarLoop]: Abstraction has 172 states and 222 transitions. [2024-12-02 13:35:56,667 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 20 states have (on average 4.65) internal successors, (93), 22 states have internal predecessors, (93), 7 states have call successors, (34), 4 states have call predecessors, (34), 7 states have return successors, (34), 5 states have call predecessors, (34), 7 states have call successors, (34) [2024-12-02 13:35:56,667 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 222 transitions. [2024-12-02 13:35:56,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-12-02 13:35:56,668 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:35:56,668 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:35:56,673 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/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 13:35:56,869 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:35:56,869 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:35:56,869 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:35:56,869 INFO L85 PathProgramCache]: Analyzing trace with hash -598123699, now seen corresponding path program 1 times [2024-12-02 13:35:56,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:35:56,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1835688305] [2024-12-02 13:35:56,870 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:35:56,870 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:35:56,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:35:56,872 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 13:35:56,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/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 13:35:57,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:35:57,114 INFO L256 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-02 13:35:57,117 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:35:57,125 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 13:35:57,145 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 13:35:57,168 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 13:35:57,168 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:35:57,168 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:35:57,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1835688305] [2024-12-02 13:35:57,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1835688305] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:35:57,169 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:35:57,169 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 13:35:57,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808758570] [2024-12-02 13:35:57,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:35:57,169 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 13:35:57,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:35:57,170 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 13:35:57,170 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 13:35:57,170 INFO L87 Difference]: Start difference. First operand 172 states and 222 transitions. Second operand has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:35:57,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:35:57,299 INFO L93 Difference]: Finished difference Result 393 states and 514 transitions. [2024-12-02 13:35:57,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 13:35:57,300 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 137 [2024-12-02 13:35:57,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:35:57,302 INFO L225 Difference]: With dead ends: 393 [2024-12-02 13:35:57,302 INFO L226 Difference]: Without dead ends: 284 [2024-12-02 13:35:57,302 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-12-02 13:35:57,303 INFO L435 NwaCegarLoop]: 239 mSDtfsCounter, 130 mSDsluCounter, 824 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 1063 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 13:35:57,303 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 1063 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 13:35:57,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states. [2024-12-02 13:35:57,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 178. [2024-12-02 13:35:57,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 133 states have (on average 1.2105263157894737) internal successors, (161), 134 states have internal predecessors, (161), 34 states have call successors, (34), 10 states have call predecessors, (34), 10 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34) [2024-12-02 13:35:57,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 229 transitions. [2024-12-02 13:35:57,327 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 229 transitions. Word has length 137 [2024-12-02 13:35:57,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:35:57,328 INFO L471 AbstractCegarLoop]: Abstraction has 178 states and 229 transitions. [2024-12-02 13:35:57,328 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:35:57,328 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 229 transitions. [2024-12-02 13:35:57,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-12-02 13:35:57,329 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:35:57,329 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:35:57,336 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/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 13:35:57,530 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:35:57,530 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:35:57,530 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:35:57,530 INFO L85 PathProgramCache]: Analyzing trace with hash -967851096, now seen corresponding path program 1 times [2024-12-02 13:35:57,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:35:57,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1606730185] [2024-12-02 13:35:57,531 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:35:57,531 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:35:57,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:35:57,532 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 13:35:57,533 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/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 13:35:57,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:35:57,785 INFO L256 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-12-02 13:35:57,788 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:35:58,237 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 42 treesize of output 26 [2024-12-02 13:35:58,250 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 13:35:58,272 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 17 treesize of output 9 [2024-12-02 13:35:58,285 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 39 proven. 217 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-12-02 13:35:58,285 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:35:58,613 INFO L349 Elim1Store]: treesize reduction 4, result has 63.6 percent of original size [2024-12-02 13:35:58,613 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 13:35:58,741 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 75 proven. 18 refuted. 0 times theorem prover too weak. 451 trivial. 0 not checked. [2024-12-02 13:35:58,741 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:35:58,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1606730185] [2024-12-02 13:35:58,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1606730185] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 13:35:58,741 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 13:35:58,741 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 24 [2024-12-02 13:35:58,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878546334] [2024-12-02 13:35:58,741 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 13:35:58,742 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-12-02 13:35:58,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:35:58,742 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-12-02 13:35:58,742 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=439, Unknown=0, NotChecked=0, Total=552 [2024-12-02 13:35:58,742 INFO L87 Difference]: Start difference. First operand 178 states and 229 transitions. Second operand has 24 states, 20 states have (on average 4.65) internal successors, (93), 22 states have internal predecessors, (93), 7 states have call successors, (34), 4 states have call predecessors, (34), 7 states have return successors, (34), 5 states have call predecessors, (34), 7 states have call successors, (34) [2024-12-02 13:36:00,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:36:00,096 INFO L93 Difference]: Finished difference Result 414 states and 537 transitions. [2024-12-02 13:36:00,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-12-02 13:36:00,097 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 20 states have (on average 4.65) internal successors, (93), 22 states have internal predecessors, (93), 7 states have call successors, (34), 4 states have call predecessors, (34), 7 states have return successors, (34), 5 states have call predecessors, (34), 7 states have call successors, (34) Word has length 138 [2024-12-02 13:36:00,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:36:00,099 INFO L225 Difference]: With dead ends: 414 [2024-12-02 13:36:00,099 INFO L226 Difference]: Without dead ends: 299 [2024-12-02 13:36:00,099 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 302 GetRequests, 253 SyntacticMatches, 1 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 485 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=559, Invalid=1891, Unknown=0, NotChecked=0, Total=2450 [2024-12-02 13:36:00,100 INFO L435 NwaCegarLoop]: 102 mSDtfsCounter, 904 mSDsluCounter, 801 mSDsCounter, 0 mSdLazyCounter, 465 mSolverCounterSat, 289 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 905 SdHoareTripleChecker+Valid, 903 SdHoareTripleChecker+Invalid, 754 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 289 IncrementalHoareTripleChecker+Valid, 465 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-12-02 13:36:00,100 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [905 Valid, 903 Invalid, 754 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [289 Valid, 465 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-12-02 13:36:00,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2024-12-02 13:36:00,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 186. [2024-12-02 13:36:00,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 141 states have (on average 1.2269503546099292) internal successors, (173), 142 states have internal predecessors, (173), 34 states have call successors, (34), 10 states have call predecessors, (34), 10 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34) [2024-12-02 13:36:00,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 241 transitions. [2024-12-02 13:36:00,124 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 241 transitions. Word has length 138 [2024-12-02 13:36:00,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:36:00,125 INFO L471 AbstractCegarLoop]: Abstraction has 186 states and 241 transitions. [2024-12-02 13:36:00,125 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 20 states have (on average 4.65) internal successors, (93), 22 states have internal predecessors, (93), 7 states have call successors, (34), 4 states have call predecessors, (34), 7 states have return successors, (34), 5 states have call predecessors, (34), 7 states have call successors, (34) [2024-12-02 13:36:00,125 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 241 transitions. [2024-12-02 13:36:00,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-12-02 13:36:00,126 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:36:00,126 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:36:00,133 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/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 13:36:00,326 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:36:00,326 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:36:00,327 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:36:00,327 INFO L85 PathProgramCache]: Analyzing trace with hash 721092646, now seen corresponding path program 1 times [2024-12-02 13:36:00,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:36:00,327 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1521833709] [2024-12-02 13:36:00,327 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:36:00,327 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:36:00,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:36:00,329 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 13:36:00,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/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 13:36:00,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:36:00,608 INFO L256 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 13:36:00,610 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:36:00,626 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 13:36:00,626 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:36:00,626 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:36:00,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1521833709] [2024-12-02 13:36:00,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1521833709] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:36:00,626 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:36:00,626 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 13:36:00,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753718857] [2024-12-02 13:36:00,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:36:00,627 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:36:00,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:36:00,627 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:36:00,627 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:36:00,627 INFO L87 Difference]: Start difference. First operand 186 states and 241 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:36:00,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:36:00,678 INFO L93 Difference]: Finished difference Result 314 states and 411 transitions. [2024-12-02 13:36:00,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 13:36:00,678 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 138 [2024-12-02 13:36:00,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:36:00,680 INFO L225 Difference]: With dead ends: 314 [2024-12-02 13:36:00,680 INFO L226 Difference]: Without dead ends: 191 [2024-12-02 13:36:00,680 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 134 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 13:36:00,681 INFO L435 NwaCegarLoop]: 130 mSDtfsCounter, 1 mSDsluCounter, 374 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 504 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 13:36:00,681 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 504 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 13:36:00,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2024-12-02 13:36:00,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 190. [2024-12-02 13:36:00,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 190 states, 145 states have (on average 1.2206896551724138) internal successors, (177), 146 states have internal predecessors, (177), 34 states have call successors, (34), 10 states have call predecessors, (34), 10 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34) [2024-12-02 13:36:00,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 245 transitions. [2024-12-02 13:36:00,705 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 245 transitions. Word has length 138 [2024-12-02 13:36:00,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:36:00,705 INFO L471 AbstractCegarLoop]: Abstraction has 190 states and 245 transitions. [2024-12-02 13:36:00,705 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:36:00,705 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 245 transitions. [2024-12-02 13:36:00,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-12-02 13:36:00,706 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:36:00,706 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:36:00,713 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/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 13:36:00,906 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:36:00,906 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:36:00,907 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:36:00,907 INFO L85 PathProgramCache]: Analyzing trace with hash 1401151016, now seen corresponding path program 1 times [2024-12-02 13:36:00,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:36:00,907 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [115388384] [2024-12-02 13:36:00,907 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:36:00,907 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:36:00,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:36:00,909 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 13:36:00,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/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 13:36:01,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:36:01,173 INFO L256 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-02 13:36:01,175 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:36:01,196 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 13:36:01,196 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:36:01,196 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:36:01,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [115388384] [2024-12-02 13:36:01,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [115388384] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:36:01,196 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:36:01,196 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 13:36:01,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164553696] [2024-12-02 13:36:01,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:36:01,197 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 13:36:01,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:36:01,197 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 13:36:01,197 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 13:36:01,198 INFO L87 Difference]: Start difference. First operand 190 states and 245 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, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:36:01,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:36:01,245 INFO L93 Difference]: Finished difference Result 320 states and 416 transitions. [2024-12-02 13:36:01,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 13:36:01,245 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, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 138 [2024-12-02 13:36:01,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:36:01,247 INFO L225 Difference]: With dead ends: 320 [2024-12-02 13:36:01,247 INFO L226 Difference]: Without dead ends: 193 [2024-12-02 13:36:01,248 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 13:36:01,248 INFO L435 NwaCegarLoop]: 128 mSDtfsCounter, 1 mSDsluCounter, 492 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 620 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 13:36:01,248 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 620 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 13:36:01,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2024-12-02 13:36:01,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 192. [2024-12-02 13:36:01,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 192 states, 147 states have (on average 1.217687074829932) internal successors, (179), 148 states have internal predecessors, (179), 34 states have call successors, (34), 10 states have call predecessors, (34), 10 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34) [2024-12-02 13:36:01,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 247 transitions. [2024-12-02 13:36:01,264 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 247 transitions. Word has length 138 [2024-12-02 13:36:01,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:36:01,265 INFO L471 AbstractCegarLoop]: Abstraction has 192 states and 247 transitions. [2024-12-02 13:36:01,265 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, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:36:01,265 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 247 transitions. [2024-12-02 13:36:01,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-12-02 13:36:01,265 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:36:01,266 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:36:01,271 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/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 13:36:01,466 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:36:01,466 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:36:01,466 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:36:01,466 INFO L85 PathProgramCache]: Analyzing trace with hash -1118808918, now seen corresponding path program 1 times [2024-12-02 13:36:01,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:36:01,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [561812209] [2024-12-02 13:36:01,467 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:36:01,467 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:36:01,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:36:01,469 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 13:36:01,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/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 13:36:01,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:36:01,744 INFO L256 TraceCheckSpWp]: Trace formula consists of 358 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-02 13:36:01,746 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:36:01,770 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 13:36:01,770 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:36:01,770 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:36:01,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [561812209] [2024-12-02 13:36:01,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [561812209] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:36:01,770 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:36:01,770 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 13:36:01,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561410427] [2024-12-02 13:36:01,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:36:01,771 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 13:36:01,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:36:01,771 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 13:36:01,771 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-12-02 13:36:01,771 INFO L87 Difference]: Start difference. First operand 192 states and 247 transitions. Second operand has 7 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:36:01,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:36:01,833 INFO L93 Difference]: Finished difference Result 324 states and 420 transitions. [2024-12-02 13:36:01,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 13:36:01,834 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 138 [2024-12-02 13:36:01,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:36:01,835 INFO L225 Difference]: With dead ends: 324 [2024-12-02 13:36:01,835 INFO L226 Difference]: Without dead ends: 195 [2024-12-02 13:36:01,835 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-12-02 13:36:01,836 INFO L435 NwaCegarLoop]: 126 mSDtfsCounter, 1 mSDsluCounter, 611 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 737 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 13:36:01,836 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 737 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 13:36:01,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2024-12-02 13:36:01,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 194. [2024-12-02 13:36:01,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 149 states have (on average 1.2147651006711409) internal successors, (181), 150 states have internal predecessors, (181), 34 states have call successors, (34), 10 states have call predecessors, (34), 10 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34) [2024-12-02 13:36:01,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 249 transitions. [2024-12-02 13:36:01,851 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 249 transitions. Word has length 138 [2024-12-02 13:36:01,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:36:01,852 INFO L471 AbstractCegarLoop]: Abstraction has 194 states and 249 transitions. [2024-12-02 13:36:01,852 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:36:01,852 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 249 transitions. [2024-12-02 13:36:01,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-12-02 13:36:01,852 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:36:01,852 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:36:01,859 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/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 13:36:02,053 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:36:02,053 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:36:02,053 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:36:02,053 INFO L85 PathProgramCache]: Analyzing trace with hash -1116961876, now seen corresponding path program 1 times [2024-12-02 13:36:02,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:36:02,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [827385154] [2024-12-02 13:36:02,054 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:36:02,054 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:36:02,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:36:02,055 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 13:36:02,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/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 13:36:02,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:36:02,320 INFO L256 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-02 13:36:02,324 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:36:02,846 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 13:36:02,849 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 13:36:03,117 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 13:36:03,121 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 13:36:04,810 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 31 proven. 309 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2024-12-02 13:36:04,810 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:36:05,416 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 13:36:05,416 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:36:05,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [827385154] [2024-12-02 13:36:05,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [827385154] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 13:36:05,416 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 13:36:05,416 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [15] total 19 [2024-12-02 13:36:05,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359614709] [2024-12-02 13:36:05,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:36:05,417 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:36:05,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:36:05,417 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:36:05,417 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2024-12-02 13:36:05,418 INFO L87 Difference]: Start difference. First operand 194 states and 249 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:36:05,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:36:05,692 INFO L93 Difference]: Finished difference Result 426 states and 548 transitions. [2024-12-02 13:36:05,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 13:36:05,693 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 138 [2024-12-02 13:36:05,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:36:05,695 INFO L225 Difference]: With dead ends: 426 [2024-12-02 13:36:05,695 INFO L226 Difference]: Without dead ends: 295 [2024-12-02 13:36:05,695 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 275 GetRequests, 257 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=56, Invalid=324, Unknown=0, NotChecked=0, Total=380 [2024-12-02 13:36:05,695 INFO L435 NwaCegarLoop]: 237 mSDtfsCounter, 110 mSDsluCounter, 467 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 704 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 13:36:05,695 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 704 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 13:36:05,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2024-12-02 13:36:05,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 194. [2024-12-02 13:36:05,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 149 states have (on average 1.2080536912751678) internal successors, (180), 150 states have internal predecessors, (180), 34 states have call successors, (34), 10 states have call predecessors, (34), 10 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34) [2024-12-02 13:36:05,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 248 transitions. [2024-12-02 13:36:05,719 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 248 transitions. Word has length 138 [2024-12-02 13:36:05,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:36:05,719 INFO L471 AbstractCegarLoop]: Abstraction has 194 states and 248 transitions. [2024-12-02 13:36:05,719 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:36:05,719 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 248 transitions. [2024-12-02 13:36:05,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-12-02 13:36:05,720 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:36:05,720 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:36:05,727 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/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)] Forceful destruction successful, exit code 0 [2024-12-02 13:36:05,920 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:36:05,921 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:36:05,921 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:36:05,921 INFO L85 PathProgramCache]: Analyzing trace with hash 2101173006, now seen corresponding path program 1 times [2024-12-02 13:36:05,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:36:05,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2084733250] [2024-12-02 13:36:05,922 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:36:05,922 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:36:05,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:36:05,924 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 13:36:05,925 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/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 13:36:06,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:36:06,224 INFO L256 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-02 13:36:06,229 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:36:06,436 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 28 treesize of output 24 [2024-12-02 13:36:06,487 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 87 treesize of output 75 [2024-12-02 13:36:06,489 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 75 treesize of output 63 [2024-12-02 13:36:06,492 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 51 [2024-12-02 13:36:06,516 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 288 refuted. 0 times theorem prover too weak. 256 trivial. 0 not checked. [2024-12-02 13:36:06,516 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:36:06,587 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 39 treesize of output 31 [2024-12-02 13:36:06,626 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 13:36:06,626 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:36:06,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2084733250] [2024-12-02 13:36:06,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2084733250] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 13:36:06,627 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 13:36:06,627 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 9 [2024-12-02 13:36:06,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039405703] [2024-12-02 13:36:06,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:36:06,627 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 13:36:06,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:36:06,627 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 13:36:06,628 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-12-02 13:36:06,628 INFO L87 Difference]: Start difference. First operand 194 states and 248 transitions. Second operand has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:36:06,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:36:06,831 INFO L93 Difference]: Finished difference Result 402 states and 517 transitions. [2024-12-02 13:36:06,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 13:36:06,832 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 139 [2024-12-02 13:36:06,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:36:06,833 INFO L225 Difference]: With dead ends: 402 [2024-12-02 13:36:06,833 INFO L226 Difference]: Without dead ends: 271 [2024-12-02 13:36:06,834 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 279 GetRequests, 269 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-12-02 13:36:06,834 INFO L435 NwaCegarLoop]: 148 mSDtfsCounter, 69 mSDsluCounter, 548 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 696 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 13:36:06,834 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 696 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 13:36:06,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2024-12-02 13:36:06,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 268. [2024-12-02 13:36:06,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 268 states, 216 states have (on average 1.2222222222222223) internal successors, (264), 218 states have internal predecessors, (264), 40 states have call successors, (40), 11 states have call predecessors, (40), 11 states have return successors, (40), 38 states have call predecessors, (40), 40 states have call successors, (40) [2024-12-02 13:36:06,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 344 transitions. [2024-12-02 13:36:06,857 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 344 transitions. Word has length 139 [2024-12-02 13:36:06,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:36:06,857 INFO L471 AbstractCegarLoop]: Abstraction has 268 states and 344 transitions. [2024-12-02 13:36:06,857 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:36:06,857 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 344 transitions. [2024-12-02 13:36:06,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-12-02 13:36:06,858 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:36:06,858 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:36:06,863 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/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 13:36:07,058 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:36:07,059 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:36:07,059 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:36:07,059 INFO L85 PathProgramCache]: Analyzing trace with hash 521270392, now seen corresponding path program 1 times [2024-12-02 13:36:07,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:36:07,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [217946028] [2024-12-02 13:36:07,060 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:36:07,060 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:36:07,060 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:36:07,062 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 13:36:07,064 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/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 13:36:07,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:36:07,404 INFO L256 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-02 13:36:07,407 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:36:07,958 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 13:36:07,961 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 13:36:08,172 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 17 [2024-12-02 13:36:08,175 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 31 treesize of output 19 [2024-12-02 13:36:09,875 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 31 proven. 309 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2024-12-02 13:36:09,875 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:36:10,394 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 13:36:10,394 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:36:10,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [217946028] [2024-12-02 13:36:10,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [217946028] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 13:36:10,394 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 13:36:10,394 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [15] total 19 [2024-12-02 13:36:10,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146644939] [2024-12-02 13:36:10,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:36:10,395 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:36:10,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:36:10,395 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:36:10,395 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2024-12-02 13:36:10,395 INFO L87 Difference]: Start difference. First operand 268 states and 344 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:36:10,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:36:10,741 INFO L93 Difference]: Finished difference Result 617 states and 795 transitions. [2024-12-02 13:36:10,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 13:36:10,741 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 139 [2024-12-02 13:36:10,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:36:10,743 INFO L225 Difference]: With dead ends: 617 [2024-12-02 13:36:10,743 INFO L226 Difference]: Without dead ends: 412 [2024-12-02 13:36:10,743 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 277 GetRequests, 259 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=56, Invalid=324, Unknown=0, NotChecked=0, Total=380 [2024-12-02 13:36:10,744 INFO L435 NwaCegarLoop]: 139 mSDtfsCounter, 180 mSDsluCounter, 251 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 180 SdHoareTripleChecker+Valid, 390 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 13:36:10,744 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [180 Valid, 390 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 13:36:10,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 412 states. [2024-12-02 13:36:10,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 412 to 268. [2024-12-02 13:36:10,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 268 states, 216 states have (on average 1.212962962962963) internal successors, (262), 218 states have internal predecessors, (262), 40 states have call successors, (40), 11 states have call predecessors, (40), 11 states have return successors, (40), 38 states have call predecessors, (40), 40 states have call successors, (40) [2024-12-02 13:36:10,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 342 transitions. [2024-12-02 13:36:10,791 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 342 transitions. Word has length 139 [2024-12-02 13:36:10,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:36:10,791 INFO L471 AbstractCegarLoop]: Abstraction has 268 states and 342 transitions. [2024-12-02 13:36:10,791 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:36:10,791 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 342 transitions. [2024-12-02 13:36:10,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-12-02 13:36:10,792 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:36:10,792 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:36:10,800 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/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)] Forceful destruction successful, exit code 0 [2024-12-02 13:36:10,993 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:36:10,993 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:36:10,993 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:36:10,993 INFO L85 PathProgramCache]: Analyzing trace with hash 1272825617, now seen corresponding path program 1 times [2024-12-02 13:36:10,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:36:10,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1053286390] [2024-12-02 13:36:10,994 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:36:10,994 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:36:10,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:36:10,996 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 13:36:10,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/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 13:36:11,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:36:11,382 INFO L256 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-12-02 13:36:11,386 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:36:13,636 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 37 treesize of output 33 [2024-12-02 13:36:13,847 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 132 treesize of output 112 [2024-12-02 13:36:13,853 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 111 treesize of output 95 [2024-12-02 13:36:13,858 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 109 treesize of output 89 [2024-12-02 13:36:13,863 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 78 treesize of output 66 [2024-12-02 13:36:14,062 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 19 proven. 304 refuted. 0 times theorem prover too weak. 221 trivial. 0 not checked. [2024-12-02 13:36:14,062 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:36:14,374 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 13:36:14,374 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:36:14,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1053286390] [2024-12-02 13:36:14,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1053286390] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 13:36:14,374 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 13:36:14,374 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [28] total 33 [2024-12-02 13:36:14,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008142784] [2024-12-02 13:36:14,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:36:14,375 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 13:36:14,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:36:14,375 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 13:36:14,375 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=957, Unknown=0, NotChecked=0, Total=1056 [2024-12-02 13:36:14,375 INFO L87 Difference]: Start difference. First operand 268 states and 342 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, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:36:14,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:36:14,694 INFO L93 Difference]: Finished difference Result 570 states and 730 transitions. [2024-12-02 13:36:14,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 13:36:14,695 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, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 140 [2024-12-02 13:36:14,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:36:14,696 INFO L225 Difference]: With dead ends: 570 [2024-12-02 13:36:14,696 INFO L226 Difference]: Without dead ends: 365 [2024-12-02 13:36:14,697 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 282 GetRequests, 247 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 379 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=115, Invalid=1217, Unknown=0, NotChecked=0, Total=1332 [2024-12-02 13:36:14,697 INFO L435 NwaCegarLoop]: 158 mSDtfsCounter, 48 mSDsluCounter, 725 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 883 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 13:36:14,697 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 883 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 13:36:14,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 365 states. [2024-12-02 13:36:14,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 365 to 278. [2024-12-02 13:36:14,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 278 states, 226 states have (on average 1.2123893805309736) internal successors, (274), 228 states have internal predecessors, (274), 40 states have call successors, (40), 11 states have call predecessors, (40), 11 states have return successors, (40), 38 states have call predecessors, (40), 40 states have call successors, (40) [2024-12-02 13:36:14,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 354 transitions. [2024-12-02 13:36:14,720 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 354 transitions. Word has length 140 [2024-12-02 13:36:14,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:36:14,720 INFO L471 AbstractCegarLoop]: Abstraction has 278 states and 354 transitions. [2024-12-02 13:36:14,720 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, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:36:14,720 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 354 transitions. [2024-12-02 13:36:14,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-12-02 13:36:14,721 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:36:14,721 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:36:14,727 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/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 13:36:14,922 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:36:14,922 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:36:14,922 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:36:14,922 INFO L85 PathProgramCache]: Analyzing trace with hash -315522285, now seen corresponding path program 1 times [2024-12-02 13:36:14,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:36:14,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [493064412] [2024-12-02 13:36:14,923 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:36:14,923 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:36:14,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:36:14,924 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 13:36:14,925 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/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 13:36:15,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:36:15,194 INFO L256 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-12-02 13:36:15,199 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:36:15,755 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 42 treesize of output 26 [2024-12-02 13:36:15,771 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 13:36:15,796 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 13:36:15,813 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 39 proven. 217 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-12-02 13:36:15,813 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:36:16,169 INFO L349 Elim1Store]: treesize reduction 4, result has 63.6 percent of original size [2024-12-02 13:36:16,169 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 13:36:16,294 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 75 proven. 18 refuted. 0 times theorem prover too weak. 451 trivial. 0 not checked. [2024-12-02 13:36:16,294 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:36:16,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [493064412] [2024-12-02 13:36:16,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [493064412] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 13:36:16,294 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 13:36:16,295 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 24 [2024-12-02 13:36:16,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585054062] [2024-12-02 13:36:16,295 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 13:36:16,295 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-12-02 13:36:16,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:36:16,296 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-12-02 13:36:16,296 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=439, Unknown=0, NotChecked=0, Total=552 [2024-12-02 13:36:16,296 INFO L87 Difference]: Start difference. First operand 278 states and 354 transitions. Second operand has 24 states, 20 states have (on average 4.95) internal successors, (99), 22 states have internal predecessors, (99), 7 states have call successors, (34), 4 states have call predecessors, (34), 7 states have return successors, (34), 5 states have call predecessors, (34), 7 states have call successors, (34) [2024-12-02 13:36:17,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:36:17,789 INFO L93 Difference]: Finished difference Result 670 states and 852 transitions. [2024-12-02 13:36:17,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-12-02 13:36:17,789 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 20 states have (on average 4.95) internal successors, (99), 22 states have internal predecessors, (99), 7 states have call successors, (34), 4 states have call predecessors, (34), 7 states have return successors, (34), 5 states have call predecessors, (34), 7 states have call successors, (34) Word has length 140 [2024-12-02 13:36:17,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:36:17,791 INFO L225 Difference]: With dead ends: 670 [2024-12-02 13:36:17,791 INFO L226 Difference]: Without dead ends: 455 [2024-12-02 13:36:17,792 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 306 GetRequests, 257 SyntacticMatches, 1 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 485 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=559, Invalid=1891, Unknown=0, NotChecked=0, Total=2450 [2024-12-02 13:36:17,792 INFO L435 NwaCegarLoop]: 102 mSDtfsCounter, 1377 mSDsluCounter, 800 mSDsCounter, 0 mSdLazyCounter, 466 mSolverCounterSat, 401 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1378 SdHoareTripleChecker+Valid, 902 SdHoareTripleChecker+Invalid, 867 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 401 IncrementalHoareTripleChecker+Valid, 466 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-12-02 13:36:17,792 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1378 Valid, 902 Invalid, 867 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [401 Valid, 466 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-12-02 13:36:17,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 455 states. [2024-12-02 13:36:17,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 455 to 286. [2024-12-02 13:36:17,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 286 states, 234 states have (on average 1.205128205128205) internal successors, (282), 236 states have internal predecessors, (282), 40 states have call successors, (40), 11 states have call predecessors, (40), 11 states have return successors, (40), 38 states have call predecessors, (40), 40 states have call successors, (40) [2024-12-02 13:36:17,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 362 transitions. [2024-12-02 13:36:17,834 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 362 transitions. Word has length 140 [2024-12-02 13:36:17,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:36:17,835 INFO L471 AbstractCegarLoop]: Abstraction has 286 states and 362 transitions. [2024-12-02 13:36:17,835 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 20 states have (on average 4.95) internal successors, (99), 22 states have internal predecessors, (99), 7 states have call successors, (34), 4 states have call predecessors, (34), 7 states have return successors, (34), 5 states have call predecessors, (34), 7 states have call successors, (34) [2024-12-02 13:36:17,835 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 362 transitions. [2024-12-02 13:36:17,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-12-02 13:36:17,836 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:36:17,836 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:36:17,844 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/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 13:36:18,037 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:36:18,037 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:36:18,037 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:36:18,037 INFO L85 PathProgramCache]: Analyzing trace with hash -2026014256, now seen corresponding path program 1 times [2024-12-02 13:36:18,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:36:18,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [493034742] [2024-12-02 13:36:18,038 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:36:18,038 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:36:18,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:36:18,039 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 13:36:18,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/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 13:36:18,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:36:18,299 INFO L256 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-02 13:36:18,302 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:36:18,374 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 17 [2024-12-02 13:36:18,376 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 13:36:18,396 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 13:36:18,396 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:36:18,396 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:36:18,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [493034742] [2024-12-02 13:36:18,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [493034742] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:36:18,396 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:36:18,396 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 13:36:18,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360087272] [2024-12-02 13:36:18,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:36:18,397 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 13:36:18,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:36:18,397 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 13:36:18,397 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 13:36:18,397 INFO L87 Difference]: Start difference. First operand 286 states and 362 transitions. Second operand has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:36:22,416 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.40s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 13:36:23,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:36:23,139 INFO L93 Difference]: Finished difference Result 511 states and 647 transitions. [2024-12-02 13:36:23,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 13:36:23,139 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 140 [2024-12-02 13:36:23,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:36:23,140 INFO L225 Difference]: With dead ends: 511 [2024-12-02 13:36:23,141 INFO L226 Difference]: Without dead ends: 288 [2024-12-02 13:36:23,141 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-12-02 13:36:23,141 INFO L435 NwaCegarLoop]: 172 mSDtfsCounter, 182 mSDsluCounter, 377 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 549 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2024-12-02 13:36:23,141 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [182 Valid, 549 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 136 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2024-12-02 13:36:23,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2024-12-02 13:36:23,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 286. [2024-12-02 13:36:23,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 286 states, 234 states have (on average 1.2008547008547008) internal successors, (281), 236 states have internal predecessors, (281), 40 states have call successors, (40), 11 states have call predecessors, (40), 11 states have return successors, (40), 38 states have call predecessors, (40), 40 states have call successors, (40) [2024-12-02 13:36:23,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 361 transitions. [2024-12-02 13:36:23,166 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 361 transitions. Word has length 140 [2024-12-02 13:36:23,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:36:23,166 INFO L471 AbstractCegarLoop]: Abstraction has 286 states and 361 transitions. [2024-12-02 13:36:23,166 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:36:23,166 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 361 transitions. [2024-12-02 13:36:23,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-12-02 13:36:23,167 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:36:23,167 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:36:23,174 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Ended with exit code 0 [2024-12-02 13:36:23,367 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:36:23,368 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:36:23,368 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:36:23,368 INFO L85 PathProgramCache]: Analyzing trace with hash 900964986, now seen corresponding path program 1 times [2024-12-02 13:36:23,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:36:23,368 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1657738622] [2024-12-02 13:36:23,368 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:36:23,368 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:36:23,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:36:23,370 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 13:36:23,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/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 13:36:23,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:36:23,630 INFO L256 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-12-02 13:36:23,633 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:36:24,117 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 42 treesize of output 26 [2024-12-02 13:36:24,130 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 13:36:24,149 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 13:36:24,164 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 35 proven. 279 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2024-12-02 13:36:24,164 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:36:24,506 INFO L349 Elim1Store]: treesize reduction 4, result has 63.6 percent of original size [2024-12-02 13:36:24,506 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 13:36:24,615 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 63 proven. 30 refuted. 0 times theorem prover too weak. 451 trivial. 0 not checked. [2024-12-02 13:36:24,616 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:36:24,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1657738622] [2024-12-02 13:36:24,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1657738622] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 13:36:24,616 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 13:36:24,616 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 24 [2024-12-02 13:36:24,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368577204] [2024-12-02 13:36:24,616 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 13:36:24,616 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-12-02 13:36:24,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:36:24,617 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-12-02 13:36:24,617 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=439, Unknown=0, NotChecked=0, Total=552 [2024-12-02 13:36:24,617 INFO L87 Difference]: Start difference. First operand 286 states and 361 transitions. Second operand has 24 states, 20 states have (on average 4.85) internal successors, (97), 22 states have internal predecessors, (97), 7 states have call successors, (34), 4 states have call predecessors, (34), 7 states have return successors, (34), 5 states have call predecessors, (34), 7 states have call successors, (34) [2024-12-02 13:36:26,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:36:26,409 INFO L93 Difference]: Finished difference Result 670 states and 845 transitions. [2024-12-02 13:36:26,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-12-02 13:36:26,409 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 20 states have (on average 4.85) internal successors, (97), 22 states have internal predecessors, (97), 7 states have call successors, (34), 4 states have call predecessors, (34), 7 states have return successors, (34), 5 states have call predecessors, (34), 7 states have call successors, (34) Word has length 140 [2024-12-02 13:36:26,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:36:26,411 INFO L225 Difference]: With dead ends: 670 [2024-12-02 13:36:26,411 INFO L226 Difference]: Without dead ends: 447 [2024-12-02 13:36:26,412 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 307 GetRequests, 258 SyntacticMatches, 1 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 460 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=559, Invalid=1891, Unknown=0, NotChecked=0, Total=2450 [2024-12-02 13:36:26,412 INFO L435 NwaCegarLoop]: 167 mSDtfsCounter, 362 mSDsluCounter, 1536 mSDsCounter, 0 mSdLazyCounter, 827 mSolverCounterSat, 148 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 363 SdHoareTripleChecker+Valid, 1703 SdHoareTripleChecker+Invalid, 975 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 148 IncrementalHoareTripleChecker+Valid, 827 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-12-02 13:36:26,412 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [363 Valid, 1703 Invalid, 975 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [148 Valid, 827 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-12-02 13:36:26,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2024-12-02 13:36:26,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 278. [2024-12-02 13:36:26,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 278 states, 226 states have (on average 1.1902654867256637) internal successors, (269), 228 states have internal predecessors, (269), 40 states have call successors, (40), 11 states have call predecessors, (40), 11 states have return successors, (40), 38 states have call predecessors, (40), 40 states have call successors, (40) [2024-12-02 13:36:26,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 349 transitions. [2024-12-02 13:36:26,443 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 349 transitions. Word has length 140 [2024-12-02 13:36:26,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:36:26,444 INFO L471 AbstractCegarLoop]: Abstraction has 278 states and 349 transitions. [2024-12-02 13:36:26,444 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 20 states have (on average 4.85) internal successors, (97), 22 states have internal predecessors, (97), 7 states have call successors, (34), 4 states have call predecessors, (34), 7 states have return successors, (34), 5 states have call predecessors, (34), 7 states have call successors, (34) [2024-12-02 13:36:26,444 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 349 transitions. [2024-12-02 13:36:26,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-12-02 13:36:26,444 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:36:26,445 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:36:26,452 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/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 13:36:26,645 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:36:26,645 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:36:26,645 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:36:26,645 INFO L85 PathProgramCache]: Analyzing trace with hash -1110084742, now seen corresponding path program 1 times [2024-12-02 13:36:26,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:36:26,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1792719163] [2024-12-02 13:36:26,646 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:36:26,646 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:36:26,646 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:36:26,648 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 13:36:26,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/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 13:36:26,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:36:26,916 INFO L256 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-12-02 13:36:26,919 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:36:27,438 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 42 treesize of output 26 [2024-12-02 13:36:27,451 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 13:36:27,479 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 13:36:27,493 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 35 proven. 279 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2024-12-02 13:36:27,494 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:36:27,853 INFO L349 Elim1Store]: treesize reduction 4, result has 63.6 percent of original size [2024-12-02 13:36:27,853 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 13:36:27,960 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 63 proven. 30 refuted. 0 times theorem prover too weak. 451 trivial. 0 not checked. [2024-12-02 13:36:27,960 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:36:27,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1792719163] [2024-12-02 13:36:27,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1792719163] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 13:36:27,961 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 13:36:27,961 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 24 [2024-12-02 13:36:27,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1580385648] [2024-12-02 13:36:27,961 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 13:36:27,961 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-12-02 13:36:27,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:36:27,962 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-12-02 13:36:27,962 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=439, Unknown=0, NotChecked=0, Total=552 [2024-12-02 13:36:27,962 INFO L87 Difference]: Start difference. First operand 278 states and 349 transitions. Second operand has 24 states, 20 states have (on average 5.05) internal successors, (101), 22 states have internal predecessors, (101), 7 states have call successors, (34), 4 states have call predecessors, (34), 7 states have return successors, (34), 5 states have call predecessors, (34), 7 states have call successors, (34) [2024-12-02 13:36:29,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:36:29,647 INFO L93 Difference]: Finished difference Result 650 states and 817 transitions. [2024-12-02 13:36:29,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-12-02 13:36:29,648 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 20 states have (on average 5.05) internal successors, (101), 22 states have internal predecessors, (101), 7 states have call successors, (34), 4 states have call predecessors, (34), 7 states have return successors, (34), 5 states have call predecessors, (34), 7 states have call successors, (34) Word has length 140 [2024-12-02 13:36:29,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:36:29,649 INFO L225 Difference]: With dead ends: 650 [2024-12-02 13:36:29,650 INFO L226 Difference]: Without dead ends: 435 [2024-12-02 13:36:29,650 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 307 GetRequests, 258 SyntacticMatches, 1 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 460 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=559, Invalid=1891, Unknown=0, NotChecked=0, Total=2450 [2024-12-02 13:36:29,651 INFO L435 NwaCegarLoop]: 199 mSDtfsCounter, 587 mSDsluCounter, 1711 mSDsCounter, 0 mSdLazyCounter, 927 mSolverCounterSat, 172 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 588 SdHoareTripleChecker+Valid, 1910 SdHoareTripleChecker+Invalid, 1099 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 172 IncrementalHoareTripleChecker+Valid, 927 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-12-02 13:36:29,651 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [588 Valid, 1910 Invalid, 1099 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [172 Valid, 927 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-12-02 13:36:29,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 435 states. [2024-12-02 13:36:29,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 435 to 246. [2024-12-02 13:36:29,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 246 states, 194 states have (on average 1.175257731958763) internal successors, (228), 196 states have internal predecessors, (228), 40 states have call successors, (40), 11 states have call predecessors, (40), 11 states have return successors, (40), 38 states have call predecessors, (40), 40 states have call successors, (40) [2024-12-02 13:36:29,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 308 transitions. [2024-12-02 13:36:29,683 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 308 transitions. Word has length 140 [2024-12-02 13:36:29,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:36:29,683 INFO L471 AbstractCegarLoop]: Abstraction has 246 states and 308 transitions. [2024-12-02 13:36:29,683 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 20 states have (on average 5.05) internal successors, (101), 22 states have internal predecessors, (101), 7 states have call successors, (34), 4 states have call predecessors, (34), 7 states have return successors, (34), 5 states have call predecessors, (34), 7 states have call successors, (34) [2024-12-02 13:36:29,683 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 308 transitions. [2024-12-02 13:36:29,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-12-02 13:36:29,684 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:36:29,684 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:36:29,689 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/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 13:36:29,884 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:36:29,884 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:36:29,885 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:36:29,885 INFO L85 PathProgramCache]: Analyzing trace with hash 1162538250, now seen corresponding path program 1 times [2024-12-02 13:36:29,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:36:29,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [107901732] [2024-12-02 13:36:29,885 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:36:29,885 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:36:29,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:36:29,887 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 13:36:29,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/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 13:36:30,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:36:30,171 INFO L256 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-02 13:36:30,174 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:36:30,247 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 13:36:30,249 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 20 treesize of output 12 [2024-12-02 13:36:30,276 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 13:36:30,276 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:36:30,276 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:36:30,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [107901732] [2024-12-02 13:36:30,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [107901732] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:36:30,276 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:36:30,276 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 13:36:30,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493813097] [2024-12-02 13:36:30,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:36:30,277 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 13:36:30,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:36:30,277 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 13:36:30,277 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 13:36:30,278 INFO L87 Difference]: Start difference. First operand 246 states and 308 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, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:36:30,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:36:30,599 INFO L93 Difference]: Finished difference Result 422 states and 527 transitions. [2024-12-02 13:36:30,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 13:36:30,600 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, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 141 [2024-12-02 13:36:30,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:36:30,601 INFO L225 Difference]: With dead ends: 422 [2024-12-02 13:36:30,601 INFO L226 Difference]: Without dead ends: 239 [2024-12-02 13:36:30,601 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-12-02 13:36:30,601 INFO L435 NwaCegarLoop]: 135 mSDtfsCounter, 192 mSDsluCounter, 313 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 192 SdHoareTripleChecker+Valid, 448 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 13:36:30,601 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [192 Valid, 448 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 13:36:30,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2024-12-02 13:36:30,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 237. [2024-12-02 13:36:30,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 237 states, 185 states have (on average 1.162162162162162) internal successors, (215), 187 states have internal predecessors, (215), 40 states have call successors, (40), 11 states have call predecessors, (40), 11 states have return successors, (40), 38 states have call predecessors, (40), 40 states have call successors, (40) [2024-12-02 13:36:30,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 295 transitions. [2024-12-02 13:36:30,640 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 295 transitions. Word has length 141 [2024-12-02 13:36:30,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:36:30,640 INFO L471 AbstractCegarLoop]: Abstraction has 237 states and 295 transitions. [2024-12-02 13:36:30,640 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, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:36:30,640 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 295 transitions. [2024-12-02 13:36:30,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-12-02 13:36:30,641 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:36:30,642 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:36:30,649 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/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 13:36:30,842 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:36:30,842 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:36:30,842 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:36:30,843 INFO L85 PathProgramCache]: Analyzing trace with hash -809606324, now seen corresponding path program 1 times [2024-12-02 13:36:30,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:36:30,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1595198534] [2024-12-02 13:36:30,843 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:36:30,843 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:36:30,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:36:30,846 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 13:36:30,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/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 13:36:31,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:36:31,139 INFO L256 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-02 13:36:31,142 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:36:31,168 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 13:36:31,168 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:36:31,168 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:36:31,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1595198534] [2024-12-02 13:36:31,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1595198534] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:36:31,168 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:36:31,168 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 13:36:31,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1925426251] [2024-12-02 13:36:31,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:36:31,169 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 13:36:31,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:36:31,169 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 13:36:31,169 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 13:36:31,169 INFO L87 Difference]: Start difference. First operand 237 states and 295 transitions. Second operand has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:36:31,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:36:31,232 INFO L93 Difference]: Finished difference Result 415 states and 517 transitions. [2024-12-02 13:36:31,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 13:36:31,232 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 142 [2024-12-02 13:36:31,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:36:31,233 INFO L225 Difference]: With dead ends: 415 [2024-12-02 13:36:31,233 INFO L226 Difference]: Without dead ends: 241 [2024-12-02 13:36:31,233 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 13:36:31,234 INFO L435 NwaCegarLoop]: 131 mSDtfsCounter, 0 mSDsluCounter, 499 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 630 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 13:36:31,234 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 630 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 13:36:31,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2024-12-02 13:36:31,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 241. [2024-12-02 13:36:31,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 241 states, 189 states have (on average 1.1587301587301588) internal successors, (219), 191 states have internal predecessors, (219), 40 states have call successors, (40), 11 states have call predecessors, (40), 11 states have return successors, (40), 38 states have call predecessors, (40), 40 states have call successors, (40) [2024-12-02 13:36:31,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 299 transitions. [2024-12-02 13:36:31,261 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 299 transitions. Word has length 142 [2024-12-02 13:36:31,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:36:31,261 INFO L471 AbstractCegarLoop]: Abstraction has 241 states and 299 transitions. [2024-12-02 13:36:31,261 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:36:31,262 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 299 transitions. [2024-12-02 13:36:31,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-12-02 13:36:31,262 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:36:31,262 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:36:31,267 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/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 13:36:31,462 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:36:31,463 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:36:31,463 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:36:31,463 INFO L85 PathProgramCache]: Analyzing trace with hash -1219759905, now seen corresponding path program 1 times [2024-12-02 13:36:31,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:36:31,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [66176682] [2024-12-02 13:36:31,464 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:36:31,464 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:36:31,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:36:31,466 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 13:36:31,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/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 13:36:31,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:36:31,846 INFO L256 TraceCheckSpWp]: Trace formula consists of 380 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-12-02 13:36:31,850 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:36:32,359 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 18 treesize of output 14 [2024-12-02 13:36:32,578 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 72 treesize of output 52 [2024-12-02 13:36:32,582 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 42 treesize of output 30 [2024-12-02 13:36:32,630 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 31 proven. 309 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2024-12-02 13:36:32,630 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:36:32,825 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 13:36:32,825 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:36:32,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [66176682] [2024-12-02 13:36:32,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [66176682] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 13:36:32,825 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 13:36:32,826 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [15] total 19 [2024-12-02 13:36:32,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625586144] [2024-12-02 13:36:32,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:36:32,826 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 13:36:32,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:36:32,827 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 13:36:32,827 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=293, Unknown=0, NotChecked=0, Total=342 [2024-12-02 13:36:32,827 INFO L87 Difference]: Start difference. First operand 241 states and 299 transitions. Second operand has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:36:32,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:36:32,965 INFO L93 Difference]: Finished difference Result 253 states and 311 transitions. [2024-12-02 13:36:32,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 13:36:32,966 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 143 [2024-12-02 13:36:32,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:36:32,967 INFO L225 Difference]: With dead ends: 253 [2024-12-02 13:36:32,967 INFO L226 Difference]: Without dead ends: 251 [2024-12-02 13:36:32,967 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 287 GetRequests, 267 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=61, Invalid=401, Unknown=0, NotChecked=0, Total=462 [2024-12-02 13:36:32,968 INFO L435 NwaCegarLoop]: 148 mSDtfsCounter, 68 mSDsluCounter, 502 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 650 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 13:36:32,969 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 650 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 13:36:32,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2024-12-02 13:36:33,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 251. [2024-12-02 13:36:33,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 251 states, 198 states have (on average 1.1515151515151516) internal successors, (228), 200 states have internal predecessors, (228), 40 states have call successors, (40), 12 states have call predecessors, (40), 12 states have return successors, (40), 38 states have call predecessors, (40), 40 states have call successors, (40) [2024-12-02 13:36:33,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 308 transitions. [2024-12-02 13:36:33,010 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 308 transitions. Word has length 143 [2024-12-02 13:36:33,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:36:33,010 INFO L471 AbstractCegarLoop]: Abstraction has 251 states and 308 transitions. [2024-12-02 13:36:33,010 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:36:33,010 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 308 transitions. [2024-12-02 13:36:33,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-12-02 13:36:33,010 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:36:33,010 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:36:33,017 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/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 13:36:33,211 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:36:33,211 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:36:33,211 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:36:33,211 INFO L85 PathProgramCache]: Analyzing trace with hash -1217912863, now seen corresponding path program 1 times [2024-12-02 13:36:33,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:36:33,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [67536658] [2024-12-02 13:36:33,212 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:36:33,212 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:36:33,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:36:33,213 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 13:36:33,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/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 13:36:33,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:36:33,522 INFO L256 TraceCheckSpWp]: Trace formula consists of 377 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-02 13:36:33,525 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:36:34,282 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 13:36:34,510 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 125 treesize of output 89 [2024-12-02 13:36:34,512 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 113 treesize of output 65 [2024-12-02 13:36:34,553 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-12-02 13:36:34,553 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:36:34,737 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 13:36:34,737 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:36:34,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [67536658] [2024-12-02 13:36:34,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [67536658] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 13:36:34,738 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 13:36:34,738 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 12 [2024-12-02 13:36:34,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [771474461] [2024-12-02 13:36:34,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:36:34,738 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 13:36:34,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:36:34,739 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 13:36:34,739 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-12-02 13:36:34,739 INFO L87 Difference]: Start difference. First operand 251 states and 308 transitions. Second operand has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:36:35,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:36:35,030 INFO L93 Difference]: Finished difference Result 614 states and 749 transitions. [2024-12-02 13:36:35,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 13:36:35,030 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 143 [2024-12-02 13:36:35,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:36:35,032 INFO L225 Difference]: With dead ends: 614 [2024-12-02 13:36:35,032 INFO L226 Difference]: Without dead ends: 426 [2024-12-02 13:36:35,033 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 286 GetRequests, 274 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2024-12-02 13:36:35,033 INFO L435 NwaCegarLoop]: 177 mSDtfsCounter, 144 mSDsluCounter, 462 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 639 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 13:36:35,033 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 639 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 13:36:35,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 426 states. [2024-12-02 13:36:35,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 426 to 423. [2024-12-02 13:36:35,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 423 states, 341 states have (on average 1.1466275659824048) internal successors, (391), 345 states have internal predecessors, (391), 62 states have call successors, (62), 19 states have call predecessors, (62), 19 states have return successors, (62), 58 states have call predecessors, (62), 62 states have call successors, (62) [2024-12-02 13:36:35,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 423 states and 515 transitions. [2024-12-02 13:36:35,099 INFO L78 Accepts]: Start accepts. Automaton has 423 states and 515 transitions. Word has length 143 [2024-12-02 13:36:35,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:36:35,100 INFO L471 AbstractCegarLoop]: Abstraction has 423 states and 515 transitions. [2024-12-02 13:36:35,100 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:36:35,100 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 515 transitions. [2024-12-02 13:36:35,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-12-02 13:36:35,100 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:36:35,100 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:36:35,106 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/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 13:36:35,301 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:36:35,301 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:36:35,301 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:36:35,301 INFO L85 PathProgramCache]: Analyzing trace with hash 557094499, now seen corresponding path program 1 times [2024-12-02 13:36:35,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:36:35,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1550436681] [2024-12-02 13:36:35,302 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:36:35,302 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:36:35,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:36:35,304 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 13:36:35,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/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 13:36:35,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:36:35,605 INFO L256 TraceCheckSpWp]: Trace formula consists of 374 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-02 13:36:35,608 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:36:35,614 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 13:36:35,782 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 61 treesize of output 45 [2024-12-02 13:36:35,785 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 34 [2024-12-02 13:36:35,801 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 13:36:35,802 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:36:35,802 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:36:35,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1550436681] [2024-12-02 13:36:35,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1550436681] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:36:35,802 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:36:35,802 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 13:36:35,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509245741] [2024-12-02 13:36:35,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:36:35,802 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 13:36:35,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:36:35,803 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 13:36:35,803 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-12-02 13:36:35,803 INFO L87 Difference]: Start difference. First operand 423 states and 515 transitions. Second operand has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:36:36,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:36:36,212 INFO L93 Difference]: Finished difference Result 875 states and 1045 transitions. [2024-12-02 13:36:36,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 13:36:36,213 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 143 [2024-12-02 13:36:36,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:36:36,214 INFO L225 Difference]: With dead ends: 875 [2024-12-02 13:36:36,214 INFO L226 Difference]: Without dead ends: 515 [2024-12-02 13:36:36,215 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2024-12-02 13:36:36,215 INFO L435 NwaCegarLoop]: 171 mSDtfsCounter, 175 mSDsluCounter, 673 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 844 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 13:36:36,216 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 844 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 13:36:36,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 515 states. [2024-12-02 13:36:36,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 515 to 414. [2024-12-02 13:36:36,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 414 states, 334 states have (on average 1.1287425149700598) internal successors, (377), 338 states have internal predecessors, (377), 60 states have call successors, (60), 19 states have call predecessors, (60), 19 states have return successors, (60), 56 states have call predecessors, (60), 60 states have call successors, (60) [2024-12-02 13:36:36,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 414 states and 497 transitions. [2024-12-02 13:36:36,286 INFO L78 Accepts]: Start accepts. Automaton has 414 states and 497 transitions. Word has length 143 [2024-12-02 13:36:36,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:36:36,286 INFO L471 AbstractCegarLoop]: Abstraction has 414 states and 497 transitions. [2024-12-02 13:36:36,286 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:36:36,286 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 497 transitions. [2024-12-02 13:36:36,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-12-02 13:36:36,287 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:36:36,287 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:36:36,293 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/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 13:36:36,488 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:36:36,488 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:36:36,488 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:36:36,488 INFO L85 PathProgramCache]: Analyzing trace with hash 1237152869, now seen corresponding path program 1 times [2024-12-02 13:36:36,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:36:36,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1322951001] [2024-12-02 13:36:36,489 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:36:36,489 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:36:36,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:36:36,491 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 13:36:36,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/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 13:36:36,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:36:36,777 INFO L256 TraceCheckSpWp]: Trace formula consists of 371 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-12-02 13:36:36,780 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:36:37,331 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 13:36:37,460 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 13:36:37,495 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 42 treesize of output 26 [2024-12-02 13:36:37,566 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 39 proven. 217 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-12-02 13:36:37,566 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:36:37,979 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 13:36:37,979 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:36:37,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1322951001] [2024-12-02 13:36:37,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1322951001] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 13:36:37,979 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 13:36:37,980 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [18] total 24 [2024-12-02 13:36:37,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935927607] [2024-12-02 13:36:37,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:36:37,980 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 13:36:37,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:36:37,980 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 13:36:37,980 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=487, Unknown=0, NotChecked=0, Total=552 [2024-12-02 13:36:37,980 INFO L87 Difference]: Start difference. First operand 414 states and 497 transitions. Second operand has 9 states, 9 states have (on average 6.777777777777778) internal successors, (61), 9 states have internal predecessors, (61), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:36:38,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:36:38,439 INFO L93 Difference]: Finished difference Result 815 states and 972 transitions. [2024-12-02 13:36:38,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 13:36:38,440 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.777777777777778) internal successors, (61), 9 states have internal predecessors, (61), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 143 [2024-12-02 13:36:38,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:36:38,442 INFO L225 Difference]: With dead ends: 815 [2024-12-02 13:36:38,442 INFO L226 Difference]: Without dead ends: 431 [2024-12-02 13:36:38,443 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 289 GetRequests, 262 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 206 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=87, Invalid=725, Unknown=0, NotChecked=0, Total=812 [2024-12-02 13:36:38,443 INFO L435 NwaCegarLoop]: 117 mSDtfsCounter, 90 mSDsluCounter, 744 mSDsCounter, 0 mSdLazyCounter, 190 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 861 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 190 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 13:36:38,444 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 861 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 190 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 13:36:38,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 431 states. [2024-12-02 13:36:38,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 431 to 422. [2024-12-02 13:36:38,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 422 states, 342 states have (on average 1.1257309941520468) internal successors, (385), 346 states have internal predecessors, (385), 60 states have call successors, (60), 19 states have call predecessors, (60), 19 states have return successors, (60), 56 states have call predecessors, (60), 60 states have call successors, (60) [2024-12-02 13:36:38,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 505 transitions. [2024-12-02 13:36:38,508 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 505 transitions. Word has length 143 [2024-12-02 13:36:38,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:36:38,508 INFO L471 AbstractCegarLoop]: Abstraction has 422 states and 505 transitions. [2024-12-02 13:36:38,508 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.777777777777778) internal successors, (61), 9 states have internal predecessors, (61), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:36:38,508 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 505 transitions. [2024-12-02 13:36:38,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-12-02 13:36:38,509 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:36:38,509 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:36:38,514 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/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 13:36:38,710 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:36:38,710 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:36:38,710 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:36:38,710 INFO L85 PathProgramCache]: Analyzing trace with hash 650346855, now seen corresponding path program 1 times [2024-12-02 13:36:38,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:36:38,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [662314428] [2024-12-02 13:36:38,711 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:36:38,711 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:36:38,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:36:38,713 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 13:36:38,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/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 13:36:39,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:36:39,036 INFO L256 TraceCheckSpWp]: Trace formula consists of 369 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-02 13:36:39,039 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:36:39,596 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 42 treesize of output 26 [2024-12-02 13:36:39,610 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 35 proven. 279 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2024-12-02 13:36:39,610 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:36:39,923 INFO L349 Elim1Store]: treesize reduction 4, result has 63.6 percent of original size [2024-12-02 13:36:39,923 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 13:36:40,039 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 63 proven. 30 refuted. 0 times theorem prover too weak. 451 trivial. 0 not checked. [2024-12-02 13:36:40,039 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:36:40,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [662314428] [2024-12-02 13:36:40,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [662314428] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 13:36:40,039 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 13:36:40,040 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 20 [2024-12-02 13:36:40,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663497115] [2024-12-02 13:36:40,040 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 13:36:40,040 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-12-02 13:36:40,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:36:40,041 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-12-02 13:36:40,041 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=277, Unknown=0, NotChecked=0, Total=380 [2024-12-02 13:36:40,041 INFO L87 Difference]: Start difference. First operand 422 states and 505 transitions. Second operand has 20 states, 16 states have (on average 6.875) internal successors, (110), 18 states have internal predecessors, (110), 7 states have call successors, (34), 4 states have call predecessors, (34), 7 states have return successors, (34), 5 states have call predecessors, (34), 7 states have call successors, (34) [2024-12-02 13:36:40,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:36:40,832 INFO L93 Difference]: Finished difference Result 816 states and 972 transitions. [2024-12-02 13:36:40,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-12-02 13:36:40,833 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 16 states have (on average 6.875) internal successors, (110), 18 states have internal predecessors, (110), 7 states have call successors, (34), 4 states have call predecessors, (34), 7 states have return successors, (34), 5 states have call predecessors, (34), 7 states have call successors, (34) Word has length 143 [2024-12-02 13:36:40,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:36:40,834 INFO L225 Difference]: With dead ends: 816 [2024-12-02 13:36:40,834 INFO L226 Difference]: Without dead ends: 424 [2024-12-02 13:36:40,835 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 295 GetRequests, 266 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=257, Invalid=613, Unknown=0, NotChecked=0, Total=870 [2024-12-02 13:36:40,835 INFO L435 NwaCegarLoop]: 131 mSDtfsCounter, 235 mSDsluCounter, 740 mSDsCounter, 0 mSdLazyCounter, 515 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 236 SdHoareTripleChecker+Valid, 871 SdHoareTripleChecker+Invalid, 582 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 515 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-02 13:36:40,835 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [236 Valid, 871 Invalid, 582 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 515 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-02 13:36:40,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 424 states. [2024-12-02 13:36:40,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 424 to 420. [2024-12-02 13:36:40,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 420 states, 340 states have (on average 1.1147058823529412) internal successors, (379), 344 states have internal predecessors, (379), 60 states have call successors, (60), 19 states have call predecessors, (60), 19 states have return successors, (60), 56 states have call predecessors, (60), 60 states have call successors, (60) [2024-12-02 13:36:40,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 420 states and 499 transitions. [2024-12-02 13:36:40,897 INFO L78 Accepts]: Start accepts. Automaton has 420 states and 499 transitions. Word has length 143 [2024-12-02 13:36:40,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:36:40,897 INFO L471 AbstractCegarLoop]: Abstraction has 420 states and 499 transitions. [2024-12-02 13:36:40,897 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 16 states have (on average 6.875) internal successors, (110), 18 states have internal predecessors, (110), 7 states have call successors, (34), 4 states have call predecessors, (34), 7 states have return successors, (34), 5 states have call predecessors, (34), 7 states have call successors, (34) [2024-12-02 13:36:40,897 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 499 transitions. [2024-12-02 13:36:40,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-12-02 13:36:40,898 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:36:40,898 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:36:40,905 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/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 13:36:41,098 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:36:41,099 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:36:41,099 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:36:41,099 INFO L85 PathProgramCache]: Analyzing trace with hash -496790052, now seen corresponding path program 1 times [2024-12-02 13:36:41,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:36:41,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1786710987] [2024-12-02 13:36:41,099 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:36:41,099 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:36:41,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:36:41,101 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 13:36:41,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/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 (28)] Waiting until timeout for monitored process [2024-12-02 13:36:41,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:36:41,401 INFO L256 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-12-02 13:36:41,404 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:36:41,897 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 42 treesize of output 26 [2024-12-02 13:36:41,908 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 13:36:41,944 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 13:36:42,013 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 39 proven. 217 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-12-02 13:36:42,013 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:36:42,459 INFO L349 Elim1Store]: treesize reduction 4, result has 63.6 percent of original size [2024-12-02 13:36:42,459 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 13:36:42,609 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 75 proven. 18 refuted. 0 times theorem prover too weak. 451 trivial. 0 not checked. [2024-12-02 13:36:42,609 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:36:42,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1786710987] [2024-12-02 13:36:42,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1786710987] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 13:36:42,610 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 13:36:42,610 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 29 [2024-12-02 13:36:42,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671076955] [2024-12-02 13:36:42,610 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 13:36:42,610 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-12-02 13:36:42,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:36:42,611 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-12-02 13:36:42,611 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=687, Unknown=0, NotChecked=0, Total=812 [2024-12-02 13:36:42,611 INFO L87 Difference]: Start difference. First operand 420 states and 499 transitions. Second operand has 29 states, 25 states have (on average 4.44) internal successors, (111), 27 states have internal predecessors, (111), 7 states have call successors, (34), 4 states have call predecessors, (34), 7 states have return successors, (34), 5 states have call predecessors, (34), 7 states have call successors, (34) [2024-12-02 13:36:44,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:36:44,531 INFO L93 Difference]: Finished difference Result 866 states and 1022 transitions. [2024-12-02 13:36:44,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-12-02 13:36:44,531 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 25 states have (on average 4.44) internal successors, (111), 27 states have internal predecessors, (111), 7 states have call successors, (34), 4 states have call predecessors, (34), 7 states have return successors, (34), 5 states have call predecessors, (34), 7 states have call successors, (34) Word has length 143 [2024-12-02 13:36:44,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:36:44,533 INFO L225 Difference]: With dead ends: 866 [2024-12-02 13:36:44,533 INFO L226 Difference]: Without dead ends: 476 [2024-12-02 13:36:44,534 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 316 GetRequests, 257 SyntacticMatches, 2 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 689 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=654, Invalid=2768, Unknown=0, NotChecked=0, Total=3422 [2024-12-02 13:36:44,534 INFO L435 NwaCegarLoop]: 98 mSDtfsCounter, 764 mSDsluCounter, 1418 mSDsCounter, 0 mSdLazyCounter, 776 mSolverCounterSat, 221 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 765 SdHoareTripleChecker+Valid, 1516 SdHoareTripleChecker+Invalid, 997 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 221 IncrementalHoareTripleChecker+Valid, 776 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-12-02 13:36:44,534 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [765 Valid, 1516 Invalid, 997 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [221 Valid, 776 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-12-02 13:36:44,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 476 states. [2024-12-02 13:36:44,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 476 to 422. [2024-12-02 13:36:44,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 422 states, 342 states have (on average 1.1140350877192982) internal successors, (381), 346 states have internal predecessors, (381), 60 states have call successors, (60), 19 states have call predecessors, (60), 19 states have return successors, (60), 56 states have call predecessors, (60), 60 states have call successors, (60) [2024-12-02 13:36:44,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 501 transitions. [2024-12-02 13:36:44,604 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 501 transitions. Word has length 143 [2024-12-02 13:36:44,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:36:44,605 INFO L471 AbstractCegarLoop]: Abstraction has 422 states and 501 transitions. [2024-12-02 13:36:44,605 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 25 states have (on average 4.44) internal successors, (111), 27 states have internal predecessors, (111), 7 states have call successors, (34), 4 states have call predecessors, (34), 7 states have return successors, (34), 5 states have call predecessors, (34), 7 states have call successors, (34) [2024-12-02 13:36:44,605 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 501 transitions. [2024-12-02 13:36:44,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-12-02 13:36:44,606 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:36:44,606 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:36:44,612 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/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 (28)] Ended with exit code 0 [2024-12-02 13:36:44,807 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:36:44,807 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:36:44,807 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:36:44,807 INFO L85 PathProgramCache]: Analyzing trace with hash -1083596066, now seen corresponding path program 1 times [2024-12-02 13:36:44,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:36:44,808 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1364408051] [2024-12-02 13:36:44,808 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:36:44,808 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:36:44,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:36:44,810 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 13:36:44,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/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 (29)] Waiting until timeout for monitored process [2024-12-02 13:36:45,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:36:45,102 INFO L256 TraceCheckSpWp]: Trace formula consists of 372 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-12-02 13:36:45,107 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:36:46,893 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 42 treesize of output 26 [2024-12-02 13:36:46,934 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 13:36:47,069 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 13:36:47,124 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 42 treesize of output 26 [2024-12-02 13:36:47,278 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 37 proven. 305 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2024-12-02 13:36:47,278 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:36:48,784 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 13:36:48,784 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 58 treesize of output 53 [2024-12-02 13:36:49,493 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 13:36:49,493 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 37 treesize of output 36 [2024-12-02 13:36:49,774 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 126 proven. 48 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2024-12-02 13:36:49,774 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:36:49,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1364408051] [2024-12-02 13:36:49,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1364408051] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 13:36:49,774 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 13:36:49,774 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 26] total 48 [2024-12-02 13:36:49,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1637033889] [2024-12-02 13:36:49,774 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 13:36:49,775 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2024-12-02 13:36:49,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:36:49,775 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2024-12-02 13:36:49,775 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=295, Invalid=1961, Unknown=0, NotChecked=0, Total=2256 [2024-12-02 13:36:49,776 INFO L87 Difference]: Start difference. First operand 422 states and 501 transitions. Second operand has 48 states, 40 states have (on average 3.125) internal successors, (125), 41 states have internal predecessors, (125), 11 states have call successors, (34), 6 states have call predecessors, (34), 11 states have return successors, (34), 9 states have call predecessors, (34), 11 states have call successors, (34) [2024-12-02 13:36:53,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:36:53,994 INFO L93 Difference]: Finished difference Result 819 states and 965 transitions. [2024-12-02 13:36:53,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-12-02 13:36:53,995 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 40 states have (on average 3.125) internal successors, (125), 41 states have internal predecessors, (125), 11 states have call successors, (34), 6 states have call predecessors, (34), 11 states have return successors, (34), 9 states have call predecessors, (34), 11 states have call successors, (34) Word has length 143 [2024-12-02 13:36:53,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:36:53,997 INFO L225 Difference]: With dead ends: 819 [2024-12-02 13:36:53,997 INFO L226 Difference]: Without dead ends: 427 [2024-12-02 13:36:53,999 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 314 GetRequests, 239 SyntacticMatches, 1 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1149 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=1042, Invalid=4658, Unknown=0, NotChecked=0, Total=5700 [2024-12-02 13:36:54,000 INFO L435 NwaCegarLoop]: 129 mSDtfsCounter, 1210 mSDsluCounter, 2434 mSDsCounter, 0 mSdLazyCounter, 1947 mSolverCounterSat, 346 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1211 SdHoareTripleChecker+Valid, 2563 SdHoareTripleChecker+Invalid, 2293 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 346 IncrementalHoareTripleChecker+Valid, 1947 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-12-02 13:36:54,000 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1211 Valid, 2563 Invalid, 2293 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [346 Valid, 1947 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-12-02 13:36:54,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 427 states. [2024-12-02 13:36:54,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 427 to 407. [2024-12-02 13:36:54,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 407 states, 327 states have (on average 1.110091743119266) internal successors, (363), 331 states have internal predecessors, (363), 60 states have call successors, (60), 19 states have call predecessors, (60), 19 states have return successors, (60), 56 states have call predecessors, (60), 60 states have call successors, (60) [2024-12-02 13:36:54,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 483 transitions. [2024-12-02 13:36:54,077 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 483 transitions. Word has length 143 [2024-12-02 13:36:54,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:36:54,077 INFO L471 AbstractCegarLoop]: Abstraction has 407 states and 483 transitions. [2024-12-02 13:36:54,077 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 40 states have (on average 3.125) internal successors, (125), 41 states have internal predecessors, (125), 11 states have call successors, (34), 6 states have call predecessors, (34), 11 states have return successors, (34), 9 states have call predecessors, (34), 11 states have call successors, (34) [2024-12-02 13:36:54,077 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 483 transitions. [2024-12-02 13:36:54,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-12-02 13:36:54,078 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:36:54,078 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:36:54,086 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/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 (29)] Ended with exit code 0 [2024-12-02 13:36:54,279 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:36:54,279 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:36:54,279 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:36:54,279 INFO L85 PathProgramCache]: Analyzing trace with hash 1831666202, now seen corresponding path program 1 times [2024-12-02 13:36:54,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:36:54,280 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1640100146] [2024-12-02 13:36:54,280 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:36:54,280 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:36:54,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:36:54,282 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 13:36:54,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/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 (30)] Waiting until timeout for monitored process [2024-12-02 13:36:54,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:36:54,594 INFO L256 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 13:36:54,596 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:36:54,670 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 46 treesize of output 22 [2024-12-02 13:36:54,694 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 13:36:54,694 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:36:54,694 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:36:54,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1640100146] [2024-12-02 13:36:54,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1640100146] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:36:54,694 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:36:54,694 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 13:36:54,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131993165] [2024-12-02 13:36:54,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:36:54,695 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:36:54,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:36:54,695 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:36:54,695 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:36:54,696 INFO L87 Difference]: Start difference. First operand 407 states and 483 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:36:55,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:36:55,166 INFO L93 Difference]: Finished difference Result 817 states and 963 transitions. [2024-12-02 13:36:55,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 13:36:55,167 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 143 [2024-12-02 13:36:55,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:36:55,169 INFO L225 Difference]: With dead ends: 817 [2024-12-02 13:36:55,169 INFO L226 Difference]: Without dead ends: 440 [2024-12-02 13:36:55,170 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-12-02 13:36:55,170 INFO L435 NwaCegarLoop]: 234 mSDtfsCounter, 104 mSDsluCounter, 495 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 729 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 13:36:55,170 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 729 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 13:36:55,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2024-12-02 13:36:55,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 403. [2024-12-02 13:36:55,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 403 states, 323 states have (on average 1.105263157894737) internal successors, (357), 327 states have internal predecessors, (357), 60 states have call successors, (60), 19 states have call predecessors, (60), 19 states have return successors, (60), 56 states have call predecessors, (60), 60 states have call successors, (60) [2024-12-02 13:36:55,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 477 transitions. [2024-12-02 13:36:55,234 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 477 transitions. Word has length 143 [2024-12-02 13:36:55,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:36:55,235 INFO L471 AbstractCegarLoop]: Abstraction has 403 states and 477 transitions. [2024-12-02 13:36:55,235 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:36:55,235 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 477 transitions. [2024-12-02 13:36:55,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-12-02 13:36:55,235 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:36:55,236 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:36:55,243 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/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 (30)] Ended with exit code 0 [2024-12-02 13:36:55,436 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:36:55,436 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:36:55,436 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:36:55,436 INFO L85 PathProgramCache]: Analyzing trace with hash 97723281, now seen corresponding path program 1 times [2024-12-02 13:36:55,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:36:55,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [774124158] [2024-12-02 13:36:55,437 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:36:55,437 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:36:55,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:36:55,439 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 13:36:55,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/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 (31)] Waiting until timeout for monitored process [2024-12-02 13:36:55,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:36:55,758 INFO L256 TraceCheckSpWp]: Trace formula consists of 377 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-02 13:36:55,762 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:36:56,674 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 88 treesize of output 52 [2024-12-02 13:36:56,756 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-12-02 13:36:56,757 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:36:56,876 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:36:56,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [774124158] [2024-12-02 13:36:56,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [774124158] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 13:36:56,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1399945190] [2024-12-02 13:36:56,877 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:36:56,877 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 13:36:56,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 13:36:56,887 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 13:36:56,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-12-02 13:36:57,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:36:57,680 INFO L256 TraceCheckSpWp]: Trace formula consists of 377 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-02 13:36:57,682 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:36:57,833 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 13:36:57,833 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:36:57,833 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1399945190] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:36:57,833 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 13:36:57,833 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 11 [2024-12-02 13:36:57,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1940651212] [2024-12-02 13:36:57,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:36:57,834 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:36:57,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:36:57,834 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:36:57,834 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2024-12-02 13:36:57,834 INFO L87 Difference]: Start difference. First operand 403 states and 477 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:36:58,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:36:58,106 INFO L93 Difference]: Finished difference Result 968 states and 1140 transitions. [2024-12-02 13:36:58,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 13:36:58,107 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 143 [2024-12-02 13:36:58,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:36:58,109 INFO L225 Difference]: With dead ends: 968 [2024-12-02 13:36:58,109 INFO L226 Difference]: Without dead ends: 595 [2024-12-02 13:36:58,109 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 320 GetRequests, 308 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2024-12-02 13:36:58,110 INFO L435 NwaCegarLoop]: 236 mSDtfsCounter, 102 mSDsluCounter, 540 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 776 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 13:36:58,110 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 776 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 13:36:58,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 595 states. [2024-12-02 13:36:58,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 595 to 458. [2024-12-02 13:36:58,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 458 states, 378 states have (on average 1.1111111111111112) internal successors, (420), 382 states have internal predecessors, (420), 60 states have call successors, (60), 19 states have call predecessors, (60), 19 states have return successors, (60), 56 states have call predecessors, (60), 60 states have call successors, (60) [2024-12-02 13:36:58,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 458 states and 540 transitions. [2024-12-02 13:36:58,180 INFO L78 Accepts]: Start accepts. Automaton has 458 states and 540 transitions. Word has length 143 [2024-12-02 13:36:58,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:36:58,180 INFO L471 AbstractCegarLoop]: Abstraction has 458 states and 540 transitions. [2024-12-02 13:36:58,180 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:36:58,180 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 540 transitions. [2024-12-02 13:36:58,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-12-02 13:36:58,181 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:36:58,182 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:36:58,187 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/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 (31)] Ended with exit code 0 [2024-12-02 13:36:58,388 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2024-12-02 13:36:58,582 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/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=3,32 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt [2024-12-02 13:36:58,582 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:36:58,583 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:36:58,583 INFO L85 PathProgramCache]: Analyzing trace with hash -489082733, now seen corresponding path program 1 times [2024-12-02 13:36:58,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:36:58,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1728688898] [2024-12-02 13:36:58,583 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:36:58,583 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:36:58,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:36:58,585 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 13:36:58,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/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 (33)] Waiting until timeout for monitored process [2024-12-02 13:36:58,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:36:58,930 INFO L256 TraceCheckSpWp]: Trace formula consists of 379 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-02 13:36:58,933 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:36:59,873 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 88 treesize of output 52 [2024-12-02 13:36:59,940 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-12-02 13:36:59,940 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:37:00,035 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:37:00,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1728688898] [2024-12-02 13:37:00,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1728688898] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 13:37:00,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [400988921] [2024-12-02 13:37:00,035 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:37:00,035 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 13:37:00,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 13:37:00,037 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 13:37:00,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2024-12-02 13:37:00,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:37:00,909 INFO L256 TraceCheckSpWp]: Trace formula consists of 379 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-12-02 13:37:00,913 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:37:02,080 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 13:37:02,511 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 88 treesize of output 52 [2024-12-02 13:37:02,529 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 13:37:02,607 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-12-02 13:37:02,607 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:37:02,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [400988921] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 13:37:02,674 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 13:37:02,674 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2024-12-02 13:37:02,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728101732] [2024-12-02 13:37:02,674 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 13:37:02,675 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-12-02 13:37:02,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:37:02,675 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-12-02 13:37:02,675 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=198, Unknown=0, NotChecked=0, Total=240 [2024-12-02 13:37:02,675 INFO L87 Difference]: Start difference. First operand 458 states and 540 transitions. Second operand has 14 states, 14 states have (on average 6.928571428571429) internal successors, (97), 13 states have internal predecessors, (97), 4 states have call successors, (34), 4 states have call predecessors, (34), 4 states have return successors, (34), 4 states have call predecessors, (34), 4 states have call successors, (34) [2024-12-02 13:37:04,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:37:04,309 INFO L93 Difference]: Finished difference Result 1078 states and 1261 transitions. [2024-12-02 13:37:04,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 13:37:04,310 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 6.928571428571429) internal successors, (97), 13 states have internal predecessors, (97), 4 states have call successors, (34), 4 states have call predecessors, (34), 4 states have return successors, (34), 4 states have call predecessors, (34), 4 states have call successors, (34) Word has length 143 [2024-12-02 13:37:04,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:37:04,312 INFO L225 Difference]: With dead ends: 1078 [2024-12-02 13:37:04,312 INFO L226 Difference]: Without dead ends: 650 [2024-12-02 13:37:04,313 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 359 GetRequests, 339 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=83, Invalid=337, Unknown=0, NotChecked=0, Total=420 [2024-12-02 13:37:04,313 INFO L435 NwaCegarLoop]: 169 mSDtfsCounter, 432 mSDsluCounter, 586 mSDsCounter, 0 mSdLazyCounter, 483 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 432 SdHoareTripleChecker+Valid, 755 SdHoareTripleChecker+Invalid, 555 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 483 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-12-02 13:37:04,313 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [432 Valid, 755 Invalid, 555 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 483 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-12-02 13:37:04,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 650 states. [2024-12-02 13:37:04,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 650 to 468. [2024-12-02 13:37:04,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 468 states, 386 states have (on average 1.11139896373057) internal successors, (429), 390 states have internal predecessors, (429), 61 states have call successors, (61), 20 states have call predecessors, (61), 20 states have return successors, (61), 57 states have call predecessors, (61), 61 states have call successors, (61) [2024-12-02 13:37:04,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 468 states and 551 transitions. [2024-12-02 13:37:04,392 INFO L78 Accepts]: Start accepts. Automaton has 468 states and 551 transitions. Word has length 143 [2024-12-02 13:37:04,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:37:04,392 INFO L471 AbstractCegarLoop]: Abstraction has 468 states and 551 transitions. [2024-12-02 13:37:04,392 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 6.928571428571429) internal successors, (97), 13 states have internal predecessors, (97), 4 states have call successors, (34), 4 states have call predecessors, (34), 4 states have return successors, (34), 4 states have call predecessors, (34), 4 states have call successors, (34) [2024-12-02 13:37:04,392 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 551 transitions. [2024-12-02 13:37:04,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-12-02 13:37:04,393 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:37:04,393 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:37:04,399 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2024-12-02 13:37:04,599 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/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 (33)] Ended with exit code 0 [2024-12-02 13:37:04,793 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt,33 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:37:04,794 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:37:04,794 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:37:04,794 INFO L85 PathProgramCache]: Analyzing trace with hash -240936239, now seen corresponding path program 1 times [2024-12-02 13:37:04,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:37:04,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2054508427] [2024-12-02 13:37:04,794 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:37:04,794 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:37:04,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:37:04,796 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 13:37:04,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/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 (35)] Waiting until timeout for monitored process [2024-12-02 13:37:05,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:37:05,081 INFO L256 TraceCheckSpWp]: Trace formula consists of 377 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 13:37:05,083 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:37:05,092 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-12-02 13:37:05,093 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:37:05,093 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:37:05,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2054508427] [2024-12-02 13:37:05,093 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2054508427] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:37:05,093 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:37:05,093 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 13:37:05,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1510835160] [2024-12-02 13:37:05,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:37:05,093 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 13:37:05,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:37:05,094 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 13:37:05,094 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 13:37:05,094 INFO L87 Difference]: Start difference. First operand 468 states and 551 transitions. Second operand has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-12-02 13:37:05,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:37:05,204 INFO L93 Difference]: Finished difference Result 906 states and 1062 transitions. [2024-12-02 13:37:05,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 13:37:05,206 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 143 [2024-12-02 13:37:05,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:37:05,208 INFO L225 Difference]: With dead ends: 906 [2024-12-02 13:37:05,208 INFO L226 Difference]: Without dead ends: 468 [2024-12-02 13:37:05,208 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 13:37:05,209 INFO L435 NwaCegarLoop]: 131 mSDtfsCounter, 0 mSDsluCounter, 248 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 379 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 13:37:05,209 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 379 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 13:37:05,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 468 states. [2024-12-02 13:37:05,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 468 to 468. [2024-12-02 13:37:05,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 468 states, 386 states have (on average 1.1088082901554404) internal successors, (428), 390 states have internal predecessors, (428), 61 states have call successors, (61), 20 states have call predecessors, (61), 20 states have return successors, (61), 57 states have call predecessors, (61), 61 states have call successors, (61) [2024-12-02 13:37:05,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 468 states and 550 transitions. [2024-12-02 13:37:05,305 INFO L78 Accepts]: Start accepts. Automaton has 468 states and 550 transitions. Word has length 143 [2024-12-02 13:37:05,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:37:05,305 INFO L471 AbstractCegarLoop]: Abstraction has 468 states and 550 transitions. [2024-12-02 13:37:05,305 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-12-02 13:37:05,305 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 550 transitions. [2024-12-02 13:37:05,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-12-02 13:37:05,306 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:37:05,306 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:37:05,311 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/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 (35)] Ended with exit code 0 [2024-12-02 13:37:05,507 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:37:05,507 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:37:05,507 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:37:05,507 INFO L85 PathProgramCache]: Analyzing trace with hash -1572302713, now seen corresponding path program 1 times [2024-12-02 13:37:05,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:37:05,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [708357717] [2024-12-02 13:37:05,508 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:37:05,508 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:37:05,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:37:05,509 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 13:37:05,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/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 (36)] Waiting until timeout for monitored process [2024-12-02 13:37:05,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:37:05,812 INFO L256 TraceCheckSpWp]: Trace formula consists of 367 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-02 13:37:05,815 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:37:06,511 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 20 [2024-12-02 13:37:06,514 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 13:37:06,608 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 13:37:06,613 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 13:37:06,635 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 7 proven. 309 refuted. 0 times theorem prover too weak. 228 trivial. 0 not checked. [2024-12-02 13:37:06,636 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:37:06,905 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 13:37:06,905 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 29 treesize of output 32 [2024-12-02 13:37:07,028 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:37:07,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [708357717] [2024-12-02 13:37:07,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [708357717] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 13:37:07,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [678273726] [2024-12-02 13:37:07,028 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:37:07,028 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 13:37:07,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 13:37:07,030 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 13:37:07,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2024-12-02 13:37:07,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:37:07,772 INFO L256 TraceCheckSpWp]: Trace formula consists of 367 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-02 13:37:07,774 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:37:08,430 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 14 [2024-12-02 13:37:08,433 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 13:37:08,563 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-12-02 13:37:08,683 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 32 treesize of output 20 [2024-12-02 13:37:08,727 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 13:37:08,727 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:37:08,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [678273726] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:37:08,728 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 13:37:08,728 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 14 [2024-12-02 13:37:08,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961933725] [2024-12-02 13:37:08,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:37:08,728 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 13:37:08,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:37:08,728 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 13:37:08,728 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=397, Unknown=0, NotChecked=0, Total=462 [2024-12-02 13:37:08,728 INFO L87 Difference]: Start difference. First operand 468 states and 550 transitions. Second operand has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 6 states have internal predecessors, (62), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:37:09,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:37:09,773 INFO L93 Difference]: Finished difference Result 1450 states and 1690 transitions. [2024-12-02 13:37:09,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 13:37:09,774 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 6 states have internal predecessors, (62), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 144 [2024-12-02 13:37:09,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:37:09,776 INFO L225 Difference]: With dead ends: 1450 [2024-12-02 13:37:09,776 INFO L226 Difference]: Without dead ends: 1012 [2024-12-02 13:37:09,777 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 376 GetRequests, 353 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 121 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=85, Invalid=515, Unknown=0, NotChecked=0, Total=600 [2024-12-02 13:37:09,777 INFO L435 NwaCegarLoop]: 234 mSDtfsCounter, 322 mSDsluCounter, 763 mSDsCounter, 0 mSdLazyCounter, 178 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 322 SdHoareTripleChecker+Valid, 997 SdHoareTripleChecker+Invalid, 246 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-12-02 13:37:09,777 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [322 Valid, 997 Invalid, 246 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 178 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-12-02 13:37:09,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1012 states. [2024-12-02 13:37:09,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1012 to 773. [2024-12-02 13:37:09,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 773 states, 642 states have (on average 1.1168224299065421) internal successors, (717), 647 states have internal predecessors, (717), 95 states have call successors, (95), 35 states have call predecessors, (95), 35 states have return successors, (95), 90 states have call predecessors, (95), 95 states have call successors, (95) [2024-12-02 13:37:09,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 773 states to 773 states and 907 transitions. [2024-12-02 13:37:09,909 INFO L78 Accepts]: Start accepts. Automaton has 773 states and 907 transitions. Word has length 144 [2024-12-02 13:37:09,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:37:09,909 INFO L471 AbstractCegarLoop]: Abstraction has 773 states and 907 transitions. [2024-12-02 13:37:09,909 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 6 states have internal predecessors, (62), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:37:09,909 INFO L276 IsEmpty]: Start isEmpty. Operand 773 states and 907 transitions. [2024-12-02 13:37:09,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-12-02 13:37:09,910 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:37:09,910 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:37:09,915 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/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 (36)] Ended with exit code 0 [2024-12-02 13:37:10,117 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2024-12-02 13:37:10,310 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/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=3,37 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt [2024-12-02 13:37:10,311 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:37:10,311 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:37:10,311 INFO L85 PathProgramCache]: Analyzing trace with hash 58935584, now seen corresponding path program 1 times [2024-12-02 13:37:10,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:37:10,311 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1388745234] [2024-12-02 13:37:10,311 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:37:10,312 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:37:10,312 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:37:10,313 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 13:37:10,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/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 (38)] Waiting until timeout for monitored process [2024-12-02 13:37:10,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:37:10,640 INFO L256 TraceCheckSpWp]: Trace formula consists of 372 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-12-02 13:37:10,643 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:37:10,917 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 18 treesize of output 14 [2024-12-02 13:37:10,967 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 23 treesize of output 15 [2024-12-02 13:37:11,024 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 13:37:11,157 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 78 treesize of output 58 [2024-12-02 13:37:11,161 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 42 treesize of output 30 [2024-12-02 13:37:11,238 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 8 proven. 312 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2024-12-02 13:37:11,238 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:37:11,392 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 13:37:11,392 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:37:11,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1388745234] [2024-12-02 13:37:11,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1388745234] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 13:37:11,392 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 13:37:11,392 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [16] total 20 [2024-12-02 13:37:11,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1119613123] [2024-12-02 13:37:11,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:37:11,393 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 13:37:11,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:37:11,393 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 13:37:11,393 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2024-12-02 13:37:11,393 INFO L87 Difference]: Start difference. First operand 773 states and 907 transitions. Second operand has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:37:11,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:37:11,729 INFO L93 Difference]: Finished difference Result 1712 states and 2007 transitions. [2024-12-02 13:37:11,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 13:37:11,730 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 145 [2024-12-02 13:37:11,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:37:11,734 INFO L225 Difference]: With dead ends: 1712 [2024-12-02 13:37:11,734 INFO L226 Difference]: Without dead ends: 969 [2024-12-02 13:37:11,735 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 293 GetRequests, 270 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=66, Invalid=534, Unknown=0, NotChecked=0, Total=600 [2024-12-02 13:37:11,735 INFO L435 NwaCegarLoop]: 192 mSDtfsCounter, 64 mSDsluCounter, 1031 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 1223 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 13:37:11,736 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 1223 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 13:37:11,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 969 states. [2024-12-02 13:37:11,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 969 to 833. [2024-12-02 13:37:11,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 833 states, 702 states have (on average 1.1196581196581197) internal successors, (786), 707 states have internal predecessors, (786), 95 states have call successors, (95), 35 states have call predecessors, (95), 35 states have return successors, (95), 90 states have call predecessors, (95), 95 states have call successors, (95) [2024-12-02 13:37:11,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 833 states to 833 states and 976 transitions. [2024-12-02 13:37:11,865 INFO L78 Accepts]: Start accepts. Automaton has 833 states and 976 transitions. Word has length 145 [2024-12-02 13:37:11,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:37:11,865 INFO L471 AbstractCegarLoop]: Abstraction has 833 states and 976 transitions. [2024-12-02 13:37:11,865 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:37:11,866 INFO L276 IsEmpty]: Start isEmpty. Operand 833 states and 976 transitions. [2024-12-02 13:37:11,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-12-02 13:37:11,867 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:37:11,867 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:37:11,873 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/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 (38)] Ended with exit code 0 [2024-12-02 13:37:12,067 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:37:12,067 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:37:12,068 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:37:12,068 INFO L85 PathProgramCache]: Analyzing trace with hash -633356787, now seen corresponding path program 1 times [2024-12-02 13:37:12,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:37:12,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1494519860] [2024-12-02 13:37:12,068 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:37:12,068 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:37:12,068 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:37:12,070 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 13:37:12,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/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 (39)] Waiting until timeout for monitored process [2024-12-02 13:37:12,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:37:12,433 INFO L256 TraceCheckSpWp]: Trace formula consists of 385 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-12-02 13:37:12,435 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:37:13,429 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 86 treesize of output 50 [2024-12-02 13:37:13,446 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 13:37:13,500 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 137 treesize of output 65 [2024-12-02 13:37:13,543 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-12-02 13:37:13,543 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:37:13,709 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:37:13,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1494519860] [2024-12-02 13:37:13,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1494519860] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 13:37:13,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [876815081] [2024-12-02 13:37:13,709 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:37:13,709 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 13:37:13,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 13:37:13,711 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 13:37:13,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2024-12-02 13:37:14,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:37:14,826 INFO L256 TraceCheckSpWp]: Trace formula consists of 385 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-12-02 13:37:14,830 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:37:15,953 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 13:37:16,681 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 13:37:16,686 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 86 treesize of output 50 [2024-12-02 13:37:16,852 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-12-02 13:37:16,852 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:37:16,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [876815081] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 13:37:16,934 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 13:37:16,934 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2024-12-02 13:37:16,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403909464] [2024-12-02 13:37:16,934 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 13:37:16,935 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-12-02 13:37:16,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:37:16,935 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-12-02 13:37:16,935 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=453, Unknown=0, NotChecked=0, Total=552 [2024-12-02 13:37:16,935 INFO L87 Difference]: Start difference. First operand 833 states and 976 transitions. Second operand has 21 states, 19 states have (on average 5.368421052631579) internal successors, (102), 18 states have internal predecessors, (102), 4 states have call successors, (34), 4 states have call predecessors, (34), 4 states have return successors, (34), 4 states have call predecessors, (34), 4 states have call successors, (34) [2024-12-02 13:37:18,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:37:18,880 INFO L93 Difference]: Finished difference Result 2313 states and 2696 transitions. [2024-12-02 13:37:18,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-12-02 13:37:18,881 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 19 states have (on average 5.368421052631579) internal successors, (102), 18 states have internal predecessors, (102), 4 states have call successors, (34), 4 states have call predecessors, (34), 4 states have return successors, (34), 4 states have call predecessors, (34), 4 states have call successors, (34) Word has length 145 [2024-12-02 13:37:18,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:37:18,890 INFO L225 Difference]: With dead ends: 2313 [2024-12-02 13:37:18,890 INFO L226 Difference]: Without dead ends: 1510 [2024-12-02 13:37:18,891 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 371 GetRequests, 333 SyntacticMatches, 3 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 339 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=262, Invalid=1070, Unknown=0, NotChecked=0, Total=1332 [2024-12-02 13:37:18,892 INFO L435 NwaCegarLoop]: 152 mSDtfsCounter, 339 mSDsluCounter, 1046 mSDsCounter, 0 mSdLazyCounter, 571 mSolverCounterSat, 103 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 339 SdHoareTripleChecker+Valid, 1198 SdHoareTripleChecker+Invalid, 674 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 103 IncrementalHoareTripleChecker+Valid, 571 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-12-02 13:37:18,892 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [339 Valid, 1198 Invalid, 674 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [103 Valid, 571 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-12-02 13:37:18,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1510 states. [2024-12-02 13:37:19,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1510 to 998. [2024-12-02 13:37:19,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 998 states, 863 states have (on average 1.1320973348783314) internal successors, (977), 868 states have internal predecessors, (977), 97 states have call successors, (97), 37 states have call predecessors, (97), 37 states have return successors, (97), 92 states have call predecessors, (97), 97 states have call successors, (97) [2024-12-02 13:37:19,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 998 states to 998 states and 1171 transitions. [2024-12-02 13:37:19,046 INFO L78 Accepts]: Start accepts. Automaton has 998 states and 1171 transitions. Word has length 145 [2024-12-02 13:37:19,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:37:19,046 INFO L471 AbstractCegarLoop]: Abstraction has 998 states and 1171 transitions. [2024-12-02 13:37:19,046 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 19 states have (on average 5.368421052631579) internal successors, (102), 18 states have internal predecessors, (102), 4 states have call successors, (34), 4 states have call predecessors, (34), 4 states have return successors, (34), 4 states have call predecessors, (34), 4 states have call successors, (34) [2024-12-02 13:37:19,046 INFO L276 IsEmpty]: Start isEmpty. Operand 998 states and 1171 transitions. [2024-12-02 13:37:19,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-12-02 13:37:19,047 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:37:19,047 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:37:19,054 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2024-12-02 13:37:19,253 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/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 (39)] Ended with exit code 0 [2024-12-02 13:37:19,448 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt,39 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:37:19,448 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:37:19,448 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:37:19,448 INFO L85 PathProgramCache]: Analyzing trace with hash -748150647, now seen corresponding path program 1 times [2024-12-02 13:37:19,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:37:19,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [659668265] [2024-12-02 13:37:19,449 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:37:19,449 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:37:19,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:37:19,451 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 13:37:19,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/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 (41)] Waiting until timeout for monitored process [2024-12-02 13:37:19,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:37:19,855 INFO L256 TraceCheckSpWp]: Trace formula consists of 381 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-02 13:37:19,857 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:37:19,869 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 13:37:20,299 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 170 treesize of output 110 [2024-12-02 13:37:20,306 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 89 treesize of output 53 [2024-12-02 13:37:20,361 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 13:37:20,361 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:37:20,361 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:37:20,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [659668265] [2024-12-02 13:37:20,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [659668265] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:37:20,361 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:37:20,361 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 13:37:20,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058082196] [2024-12-02 13:37:20,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:37:20,362 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 13:37:20,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:37:20,362 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 13:37:20,362 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-12-02 13:37:20,362 INFO L87 Difference]: Start difference. First operand 998 states and 1171 transitions. Second operand has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:37:21,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:37:21,277 INFO L93 Difference]: Finished difference Result 2355 states and 2749 transitions. [2024-12-02 13:37:21,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 13:37:21,278 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 145 [2024-12-02 13:37:21,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:37:21,281 INFO L225 Difference]: With dead ends: 2355 [2024-12-02 13:37:21,282 INFO L226 Difference]: Without dead ends: 1387 [2024-12-02 13:37:21,283 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-12-02 13:37:21,283 INFO L435 NwaCegarLoop]: 222 mSDtfsCounter, 84 mSDsluCounter, 837 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 1059 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-02 13:37:21,283 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 1059 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-02 13:37:21,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1387 states. [2024-12-02 13:37:21,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1387 to 872. [2024-12-02 13:37:21,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 872 states, 737 states have (on average 1.1221166892808685) internal successors, (827), 742 states have internal predecessors, (827), 97 states have call successors, (97), 37 states have call predecessors, (97), 37 states have return successors, (97), 92 states have call predecessors, (97), 97 states have call successors, (97) [2024-12-02 13:37:21,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 872 states to 872 states and 1021 transitions. [2024-12-02 13:37:21,442 INFO L78 Accepts]: Start accepts. Automaton has 872 states and 1021 transitions. Word has length 145 [2024-12-02 13:37:21,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:37:21,442 INFO L471 AbstractCegarLoop]: Abstraction has 872 states and 1021 transitions. [2024-12-02 13:37:21,442 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:37:21,442 INFO L276 IsEmpty]: Start isEmpty. Operand 872 states and 1021 transitions. [2024-12-02 13:37:21,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-12-02 13:37:21,443 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:37:21,443 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:37:21,450 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/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 (41)] Ended with exit code 0 [2024-12-02 13:37:21,643 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:37:21,643 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:37:21,643 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:37:21,644 INFO L85 PathProgramCache]: Analyzing trace with hash 1706915085, now seen corresponding path program 1 times [2024-12-02 13:37:21,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:37:21,644 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1331655076] [2024-12-02 13:37:21,644 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:37:21,644 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:37:21,644 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:37:21,646 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 13:37:21,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/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 (42)] Waiting until timeout for monitored process [2024-12-02 13:37:21,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:37:21,985 INFO L256 TraceCheckSpWp]: Trace formula consists of 375 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-02 13:37:21,987 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:37:21,994 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 13:37:22,031 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 13:37:22,075 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 13:37:22,075 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:37:22,075 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:37:22,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1331655076] [2024-12-02 13:37:22,075 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1331655076] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:37:22,075 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:37:22,075 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-12-02 13:37:22,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893104569] [2024-12-02 13:37:22,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:37:22,076 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 13:37:22,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:37:22,076 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 13:37:22,076 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-12-02 13:37:22,076 INFO L87 Difference]: Start difference. First operand 872 states and 1021 transitions. Second operand has 9 states, 9 states have (on average 7.0) internal successors, (63), 9 states have internal predecessors, (63), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:37:22,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:37:22,488 INFO L93 Difference]: Finished difference Result 1995 states and 2323 transitions. [2024-12-02 13:37:22,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-02 13:37:22,489 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.0) internal successors, (63), 9 states have internal predecessors, (63), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 145 [2024-12-02 13:37:22,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:37:22,491 INFO L225 Difference]: With dead ends: 1995 [2024-12-02 13:37:22,491 INFO L226 Difference]: Without dead ends: 1153 [2024-12-02 13:37:22,492 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2024-12-02 13:37:22,492 INFO L435 NwaCegarLoop]: 166 mSDtfsCounter, 115 mSDsluCounter, 903 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 1069 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 13:37:22,493 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 1069 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 13:37:22,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1153 states. [2024-12-02 13:37:22,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1153 to 1099. [2024-12-02 13:37:22,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1099 states, 904 states have (on average 1.1084070796460177) internal successors, (1002), 912 states have internal predecessors, (1002), 139 states have call successors, (139), 55 states have call predecessors, (139), 55 states have return successors, (139), 131 states have call predecessors, (139), 139 states have call successors, (139) [2024-12-02 13:37:22,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1099 states to 1099 states and 1280 transitions. [2024-12-02 13:37:22,718 INFO L78 Accepts]: Start accepts. Automaton has 1099 states and 1280 transitions. Word has length 145 [2024-12-02 13:37:22,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:37:22,718 INFO L471 AbstractCegarLoop]: Abstraction has 1099 states and 1280 transitions. [2024-12-02 13:37:22,718 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.0) internal successors, (63), 9 states have internal predecessors, (63), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:37:22,719 INFO L276 IsEmpty]: Start isEmpty. Operand 1099 states and 1280 transitions. [2024-12-02 13:37:22,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-12-02 13:37:22,719 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:37:22,719 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:37:22,725 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/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 (42)] Ended with exit code 0 [2024-12-02 13:37:22,920 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:37:22,920 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:37:22,920 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:37:22,920 INFO L85 PathProgramCache]: Analyzing trace with hash 1120109071, now seen corresponding path program 1 times [2024-12-02 13:37:22,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:37:22,920 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [975359765] [2024-12-02 13:37:22,920 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:37:22,921 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:37:22,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:37:22,922 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 13:37:22,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/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 (43)] Waiting until timeout for monitored process [2024-12-02 13:37:23,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:37:23,273 INFO L256 TraceCheckSpWp]: Trace formula consists of 377 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-12-02 13:37:23,276 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:37:23,891 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 13:37:24,033 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 13:37:24,068 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 42 treesize of output 26 [2024-12-02 13:37:24,125 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 35 proven. 279 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2024-12-02 13:37:24,125 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:37:24,941 INFO L349 Elim1Store]: treesize reduction 4, result has 63.6 percent of original size [2024-12-02 13:37:24,941 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 13:37:25,067 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 63 proven. 30 refuted. 0 times theorem prover too weak. 451 trivial. 0 not checked. [2024-12-02 13:37:25,067 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:37:25,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [975359765] [2024-12-02 13:37:25,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [975359765] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 13:37:25,067 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 13:37:25,068 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 31 [2024-12-02 13:37:25,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777364940] [2024-12-02 13:37:25,068 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 13:37:25,068 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2024-12-02 13:37:25,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:37:25,069 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2024-12-02 13:37:25,069 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=157, Invalid=773, Unknown=0, NotChecked=0, Total=930 [2024-12-02 13:37:25,069 INFO L87 Difference]: Start difference. First operand 1099 states and 1280 transitions. Second operand has 31 states, 27 states have (on average 4.333333333333333) internal successors, (117), 29 states have internal predecessors, (117), 7 states have call successors, (34), 4 states have call predecessors, (34), 7 states have return successors, (34), 5 states have call predecessors, (34), 7 states have call successors, (34) [2024-12-02 13:37:27,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:37:27,332 INFO L93 Difference]: Finished difference Result 2171 states and 2521 transitions. [2024-12-02 13:37:27,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-12-02 13:37:27,332 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 27 states have (on average 4.333333333333333) internal successors, (117), 29 states have internal predecessors, (117), 7 states have call successors, (34), 4 states have call predecessors, (34), 7 states have return successors, (34), 5 states have call predecessors, (34), 7 states have call successors, (34) Word has length 145 [2024-12-02 13:37:27,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:37:27,335 INFO L225 Difference]: With dead ends: 2171 [2024-12-02 13:37:27,335 INFO L226 Difference]: Without dead ends: 1102 [2024-12-02 13:37:27,337 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 308 GetRequests, 260 SyntacticMatches, 1 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 424 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=466, Invalid=1886, Unknown=0, NotChecked=0, Total=2352 [2024-12-02 13:37:27,337 INFO L435 NwaCegarLoop]: 192 mSDtfsCounter, 465 mSDsluCounter, 2274 mSDsCounter, 0 mSdLazyCounter, 1377 mSolverCounterSat, 130 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 466 SdHoareTripleChecker+Valid, 2466 SdHoareTripleChecker+Invalid, 1507 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 130 IncrementalHoareTripleChecker+Valid, 1377 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-12-02 13:37:27,338 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [466 Valid, 2466 Invalid, 1507 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [130 Valid, 1377 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-12-02 13:37:27,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1102 states. [2024-12-02 13:37:27,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1102 to 1076. [2024-12-02 13:37:27,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1076 states, 881 states have (on average 1.1032917139614076) internal successors, (972), 889 states have internal predecessors, (972), 139 states have call successors, (139), 55 states have call predecessors, (139), 55 states have return successors, (139), 131 states have call predecessors, (139), 139 states have call successors, (139) [2024-12-02 13:37:27,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1076 states to 1076 states and 1250 transitions. [2024-12-02 13:37:27,574 INFO L78 Accepts]: Start accepts. Automaton has 1076 states and 1250 transitions. Word has length 145 [2024-12-02 13:37:27,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:37:27,574 INFO L471 AbstractCegarLoop]: Abstraction has 1076 states and 1250 transitions. [2024-12-02 13:37:27,574 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 27 states have (on average 4.333333333333333) internal successors, (117), 29 states have internal predecessors, (117), 7 states have call successors, (34), 4 states have call predecessors, (34), 7 states have return successors, (34), 5 states have call predecessors, (34), 7 states have call successors, (34) [2024-12-02 13:37:27,574 INFO L276 IsEmpty]: Start isEmpty. Operand 1076 states and 1250 transitions. [2024-12-02 13:37:27,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-12-02 13:37:27,574 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:37:27,575 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:37:27,580 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/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 (43)] Ended with exit code 0 [2024-12-02 13:37:27,775 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 43 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:37:27,775 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:37:27,775 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:37:27,775 INFO L85 PathProgramCache]: Analyzing trace with hash -209710065, now seen corresponding path program 1 times [2024-12-02 13:37:27,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:37:27,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1145168808] [2024-12-02 13:37:27,776 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:37:27,776 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:37:27,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:37:27,778 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 13:37:27,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/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 (44)] Waiting until timeout for monitored process [2024-12-02 13:37:28,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:37:28,109 INFO L256 TraceCheckSpWp]: Trace formula consists of 383 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-02 13:37:28,110 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:37:28,138 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2024-12-02 13:37:28,138 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:37:28,138 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:37:28,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1145168808] [2024-12-02 13:37:28,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1145168808] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:37:28,138 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:37:28,138 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 13:37:28,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665861439] [2024-12-02 13:37:28,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:37:28,139 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 13:37:28,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:37:28,139 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 13:37:28,139 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 13:37:28,139 INFO L87 Difference]: Start difference. First operand 1076 states and 1250 transitions. Second operand has 6 states, 5 states have (on average 13.2) internal successors, (66), 6 states have internal predecessors, (66), 2 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-12-02 13:37:28,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:37:28,454 INFO L93 Difference]: Finished difference Result 1812 states and 2096 transitions. [2024-12-02 13:37:28,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 13:37:28,455 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.2) internal successors, (66), 6 states have internal predecessors, (66), 2 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 145 [2024-12-02 13:37:28,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:37:28,457 INFO L225 Difference]: With dead ends: 1812 [2024-12-02 13:37:28,458 INFO L226 Difference]: Without dead ends: 742 [2024-12-02 13:37:28,458 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-12-02 13:37:28,459 INFO L435 NwaCegarLoop]: 113 mSDtfsCounter, 1 mSDsluCounter, 399 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 512 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 13:37:28,459 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 512 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 13:37:28,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 742 states. [2024-12-02 13:37:28,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 742 to 516. [2024-12-02 13:37:28,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 516 states, 439 states have (on average 1.1138952164009113) internal successors, (489), 441 states have internal predecessors, (489), 55 states have call successors, (55), 21 states have call predecessors, (55), 21 states have return successors, (55), 53 states have call predecessors, (55), 55 states have call successors, (55) [2024-12-02 13:37:28,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 516 states and 599 transitions. [2024-12-02 13:37:28,551 INFO L78 Accepts]: Start accepts. Automaton has 516 states and 599 transitions. Word has length 145 [2024-12-02 13:37:28,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:37:28,551 INFO L471 AbstractCegarLoop]: Abstraction has 516 states and 599 transitions. [2024-12-02 13:37:28,551 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.2) internal successors, (66), 6 states have internal predecessors, (66), 2 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-12-02 13:37:28,551 INFO L276 IsEmpty]: Start isEmpty. Operand 516 states and 599 transitions. [2024-12-02 13:37:28,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-12-02 13:37:28,551 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:37:28,552 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:37:28,556 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/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 (44)] Ended with exit code 0 [2024-12-02 13:37:28,752 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 44 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:37:28,752 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:37:28,752 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:37:28,752 INFO L85 PathProgramCache]: Analyzing trace with hash 1975977857, now seen corresponding path program 1 times [2024-12-02 13:37:28,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:37:28,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1485470115] [2024-12-02 13:37:28,753 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:37:28,753 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:37:28,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:37:28,755 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 13:37:28,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/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 (45)] Waiting until timeout for monitored process [2024-12-02 13:37:29,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:37:29,097 INFO L256 TraceCheckSpWp]: Trace formula consists of 375 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-02 13:37:29,099 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:37:29,502 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 19 [2024-12-02 13:37:29,505 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 32 treesize of output 20 [2024-12-02 13:37:29,901 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 10 proven. 294 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2024-12-02 13:37:29,902 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:37:30,302 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 13:37:30,302 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:37:30,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1485470115] [2024-12-02 13:37:30,302 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1485470115] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 13:37:30,302 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 13:37:30,302 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 13 [2024-12-02 13:37:30,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755685022] [2024-12-02 13:37:30,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:37:30,302 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:37:30,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:37:30,303 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:37:30,303 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2024-12-02 13:37:30,303 INFO L87 Difference]: Start difference. First operand 516 states and 599 transitions. Second operand has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:37:30,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:37:30,550 INFO L93 Difference]: Finished difference Result 1170 states and 1347 transitions. [2024-12-02 13:37:30,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 13:37:30,551 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 147 [2024-12-02 13:37:30,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:37:30,554 INFO L225 Difference]: With dead ends: 1170 [2024-12-02 13:37:30,554 INFO L226 Difference]: Without dead ends: 684 [2024-12-02 13:37:30,555 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 293 GetRequests, 281 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2024-12-02 13:37:30,555 INFO L435 NwaCegarLoop]: 156 mSDtfsCounter, 88 mSDsluCounter, 262 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 418 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 13:37:30,556 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 418 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 13:37:30,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 684 states. [2024-12-02 13:37:30,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 684 to 672. [2024-12-02 13:37:30,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 672 states, 580 states have (on average 1.1) internal successors, (638), 584 states have internal predecessors, (638), 67 states have call successors, (67), 24 states have call predecessors, (67), 24 states have return successors, (67), 63 states have call predecessors, (67), 67 states have call successors, (67) [2024-12-02 13:37:30,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 672 states and 772 transitions. [2024-12-02 13:37:30,680 INFO L78 Accepts]: Start accepts. Automaton has 672 states and 772 transitions. Word has length 147 [2024-12-02 13:37:30,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:37:30,681 INFO L471 AbstractCegarLoop]: Abstraction has 672 states and 772 transitions. [2024-12-02 13:37:30,681 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:37:30,681 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 772 transitions. [2024-12-02 13:37:30,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-12-02 13:37:30,681 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:37:30,681 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:37:30,688 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/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 (45)] Ended with exit code 0 [2024-12-02 13:37:30,882 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 45 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:37:30,882 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:37:30,882 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:37:30,882 INFO L85 PathProgramCache]: Analyzing trace with hash 1342729418, now seen corresponding path program 1 times [2024-12-02 13:37:30,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:37:30,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [884085652] [2024-12-02 13:37:30,883 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:37:30,883 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:37:30,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:37:30,885 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 13:37:30,886 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/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 (46)] Waiting until timeout for monitored process [2024-12-02 13:37:31,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:37:31,233 INFO L256 TraceCheckSpWp]: Trace formula consists of 377 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-12-02 13:37:31,235 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:37:31,758 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 42 treesize of output 26 [2024-12-02 13:37:31,774 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 13:37:31,801 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 13:37:31,820 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 39 proven. 217 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-12-02 13:37:31,820 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:37:32,200 INFO L349 Elim1Store]: treesize reduction 4, result has 63.6 percent of original size [2024-12-02 13:37:32,200 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 13:37:32,343 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 75 proven. 18 refuted. 0 times theorem prover too weak. 451 trivial. 0 not checked. [2024-12-02 13:37:32,343 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:37:32,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [884085652] [2024-12-02 13:37:32,343 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [884085652] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 13:37:32,343 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 13:37:32,343 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 24 [2024-12-02 13:37:32,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609947966] [2024-12-02 13:37:32,343 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 13:37:32,344 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-12-02 13:37:32,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:37:32,344 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-12-02 13:37:32,345 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=439, Unknown=0, NotChecked=0, Total=552 [2024-12-02 13:37:32,345 INFO L87 Difference]: Start difference. First operand 672 states and 772 transitions. Second operand has 24 states, 20 states have (on average 5.05) internal successors, (101), 22 states have internal predecessors, (101), 7 states have call successors, (34), 4 states have call predecessors, (34), 7 states have return successors, (34), 5 states have call predecessors, (34), 7 states have call successors, (34) [2024-12-02 13:37:33,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:37:33,851 INFO L93 Difference]: Finished difference Result 1535 states and 1755 transitions. [2024-12-02 13:37:33,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-12-02 13:37:33,851 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 20 states have (on average 5.05) internal successors, (101), 22 states have internal predecessors, (101), 7 states have call successors, (34), 4 states have call predecessors, (34), 7 states have return successors, (34), 5 states have call predecessors, (34), 7 states have call successors, (34) Word has length 148 [2024-12-02 13:37:33,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:37:33,853 INFO L225 Difference]: With dead ends: 1535 [2024-12-02 13:37:33,854 INFO L226 Difference]: Without dead ends: 897 [2024-12-02 13:37:33,855 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 322 GetRequests, 273 SyntacticMatches, 1 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 485 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=559, Invalid=1891, Unknown=0, NotChecked=0, Total=2450 [2024-12-02 13:37:33,855 INFO L435 NwaCegarLoop]: 96 mSDtfsCounter, 948 mSDsluCounter, 838 mSDsCounter, 0 mSdLazyCounter, 495 mSolverCounterSat, 338 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 949 SdHoareTripleChecker+Valid, 934 SdHoareTripleChecker+Invalid, 833 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 338 IncrementalHoareTripleChecker+Valid, 495 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-12-02 13:37:33,855 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [949 Valid, 934 Invalid, 833 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [338 Valid, 495 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-12-02 13:37:33,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 897 states. [2024-12-02 13:37:33,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 897 to 650. [2024-12-02 13:37:33,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 650 states, 548 states have (on average 1.0875912408759123) internal successors, (596), 553 states have internal predecessors, (596), 75 states have call successors, (75), 26 states have call predecessors, (75), 26 states have return successors, (75), 70 states have call predecessors, (75), 75 states have call successors, (75) [2024-12-02 13:37:33,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 650 states and 746 transitions. [2024-12-02 13:37:33,992 INFO L78 Accepts]: Start accepts. Automaton has 650 states and 746 transitions. Word has length 148 [2024-12-02 13:37:33,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:37:33,992 INFO L471 AbstractCegarLoop]: Abstraction has 650 states and 746 transitions. [2024-12-02 13:37:33,992 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 20 states have (on average 5.05) internal successors, (101), 22 states have internal predecessors, (101), 7 states have call successors, (34), 4 states have call predecessors, (34), 7 states have return successors, (34), 5 states have call predecessors, (34), 7 states have call successors, (34) [2024-12-02 13:37:33,992 INFO L276 IsEmpty]: Start isEmpty. Operand 650 states and 746 transitions. [2024-12-02 13:37:33,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-12-02 13:37:33,993 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:37:33,993 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:37:33,998 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/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 (46)] Ended with exit code 0 [2024-12-02 13:37:34,193 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 46 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:37:34,193 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:37:34,193 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:37:34,194 INFO L85 PathProgramCache]: Analyzing trace with hash -660642759, now seen corresponding path program 1 times [2024-12-02 13:37:34,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:37:34,194 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [416621618] [2024-12-02 13:37:34,194 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:37:34,194 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:37:34,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:37:34,196 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 13:37:34,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/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 (47)] Waiting until timeout for monitored process [2024-12-02 13:37:34,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:37:34,598 INFO L256 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-02 13:37:34,600 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:37:34,610 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 13:37:34,623 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 13:37:34,631 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 13:37:34,631 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:37:34,631 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:37:34,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [416621618] [2024-12-02 13:37:34,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [416621618] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:37:34,631 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:37:34,631 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 13:37:34,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772897932] [2024-12-02 13:37:34,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:37:34,632 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:37:34,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:37:34,632 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:37:34,632 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:37:34,632 INFO L87 Difference]: Start difference. First operand 650 states and 746 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:37:34,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:37:34,983 INFO L93 Difference]: Finished difference Result 1401 states and 1599 transitions. [2024-12-02 13:37:34,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 13:37:34,984 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 150 [2024-12-02 13:37:34,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:37:34,985 INFO L225 Difference]: With dead ends: 1401 [2024-12-02 13:37:34,985 INFO L226 Difference]: Without dead ends: 0 [2024-12-02 13:37:34,986 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-12-02 13:37:34,986 INFO L435 NwaCegarLoop]: 158 mSDtfsCounter, 114 mSDsluCounter, 417 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 575 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 13:37:34,986 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 575 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 13:37:34,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-12-02 13:37:34,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-12-02 13:37:34,987 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 13:37:34,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-12-02 13:37:34,988 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 150 [2024-12-02 13:37:34,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:37:34,988 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-12-02 13:37:34,988 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:37:34,988 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-12-02 13:37:34,988 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-02 13:37:34,990 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 13:37:34,996 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/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 (47)] Ended with exit code 0 [2024-12-02 13:37:35,191 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 47 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4555750-4633-4253-b2e4-e6ffd30bd21d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:37:35,193 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:37:35,195 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-12-02 13:37:48,253 WARN L286 SmtUtils]: Spent 13.05s on a formula simplification. DAG size of input: 313 DAG size of output: 478 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-12-02 13:39:28,010 WARN L286 SmtUtils]: Spent 1.66m on a formula simplification. DAG size of input: 262 DAG size of output: 354 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-12-02 13:39:35,926 WARN L286 SmtUtils]: Spent 7.91s on a formula simplification. DAG size of input: 281 DAG size of output: 445 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-12-02 13:39:49,920 WARN L286 SmtUtils]: Spent 13.99s on a formula simplification. DAG size of input: 313 DAG size of output: 478 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-12-02 13:40:02,923 WARN L286 SmtUtils]: Spent 13.00s on a formula simplification. DAG size of input: 253 DAG size of output: 375 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-12-02 13:40:15,942 WARN L286 SmtUtils]: Spent 13.02s on a formula simplification. DAG size of input: 313 DAG size of output: 478 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-12-02 13:40:27,386 WARN L286 SmtUtils]: Spent 11.44s on a formula simplification. DAG size of input: 247 DAG size of output: 270 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-12-02 13:40:35,351 WARN L286 SmtUtils]: Spent 6.03s on a formula simplification. DAG size of input: 217 DAG size of output: 202 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-12-02 13:41:23,248 WARN L286 SmtUtils]: Spent 7.62s on a formula simplification. DAG size of input: 226 DAG size of output: 179 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-12-02 13:41:44,061 WARN L286 SmtUtils]: Spent 20.81s on a formula simplification. DAG size of input: 242 DAG size of output: 232 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-12-02 13:42:13,555 WARN L286 SmtUtils]: Spent 9.49s on a formula simplification. DAG size of input: 225 DAG size of output: 210 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-12-02 13:42:49,336 WARN L286 SmtUtils]: Spent 5.15s on a formula simplification. DAG size of input: 218 DAG size of output: 175 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-12-02 13:43:09,818 WARN L286 SmtUtils]: Spent 18.38s on a formula simplification. DAG size of input: 243 DAG size of output: 198 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-12-02 13:43:24,605 WARN L286 SmtUtils]: Spent 7.92s on a formula simplification. DAG size of input: 232 DAG size of output: 185 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-12-02 13:43:38,313 WARN L286 SmtUtils]: Spent 8.91s on a formula simplification. DAG size of input: 231 DAG size of output: 216 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-12-02 13:44:02,306 WARN L286 SmtUtils]: Spent 15.70s on a formula simplification. DAG size of input: 223 DAG size of output: 299 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-12-02 13:44:23,793 WARN L286 SmtUtils]: Spent 21.49s on a formula simplification. DAG size of input: 347 DAG size of output: 520 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-12-02 13:44:46,291 WARN L286 SmtUtils]: Spent 22.50s on a formula simplification. DAG size of input: 227 DAG size of output: 304 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-12-02 13:44:58,072 WARN L286 SmtUtils]: Spent 11.78s on a formula simplification. DAG size of input: 253 DAG size of output: 375 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-12-02 13:45:11,126 WARN L286 SmtUtils]: Spent 13.05s on a formula simplification. DAG size of input: 313 DAG size of output: 478 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-12-02 13:45:19,125 WARN L286 SmtUtils]: Spent 8.00s on a formula simplification. DAG size of input: 281 DAG size of output: 445 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-12-02 13:45:42,665 WARN L286 SmtUtils]: Spent 23.54s on a formula simplification. DAG size of input: 249 DAG size of output: 256 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-12-02 13:45:55,307 WARN L286 SmtUtils]: Spent 12.64s on a formula simplification. DAG size of input: 313 DAG size of output: 478 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-12-02 13:46:13,554 WARN L286 SmtUtils]: Spent 18.25s on a formula simplification. DAG size of input: 244 DAG size of output: 256 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-12-02 13:46:36,805 WARN L286 SmtUtils]: Spent 23.25s on a formula simplification. DAG size of input: 227 DAG size of output: 304 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-12-02 13:46:52,415 WARN L286 SmtUtils]: Spent 7.85s on a formula simplification. DAG size of input: 219 DAG size of output: 218 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-12-02 13:47:13,538 WARN L286 SmtUtils]: Spent 11.70s on a formula simplification. DAG size of input: 263 DAG size of output: 264 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or)