./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-36.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_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/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_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-36.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/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_b93e9027-b8c0-497f-8d67-3328f68e0618/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 78f51271513a16e7eca7d465f5387c94d8fad5b43cbf0af1b75f69199640eaee --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 11:58:41,096 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 11:58:41,148 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 11:58:41,152 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 11:58:41,152 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 11:58:41,172 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 11:58:41,173 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 11:58:41,173 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 11:58:41,173 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 11:58:41,173 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 11:58:41,174 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 11:58:41,174 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 11:58:41,174 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 11:58:41,174 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 11:58:41,174 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 11:58:41,174 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 11:58:41,174 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 11:58:41,175 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 11:58:41,175 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 11:58:41,175 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 11:58:41,175 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 11:58:41,175 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 11:58:41,175 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 11:58:41,175 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 11:58:41,175 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 11:58:41,175 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 11:58:41,175 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 11:58:41,175 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 11:58:41,176 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 11:58:41,176 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 11:58:41,176 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 11:58:41,176 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 11:58:41,176 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 11:58:41,176 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 11:58:41,176 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 11:58:41,176 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 11:58:41,176 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 11:58:41,176 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 11:58:41,177 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 11:58:41,177 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 11:58:41,177 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 11:58:41,177 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 11:58:41,177 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 11:58:41,177 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 11:58:41,177 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 11:58:41,177 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 11:58:41,177 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 11:58:41,177 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 11:58:41,177 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_b93e9027-b8c0-497f-8d67-3328f68e0618/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 -> 78f51271513a16e7eca7d465f5387c94d8fad5b43cbf0af1b75f69199640eaee [2024-12-02 11:58:41,372 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 11:58:41,378 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 11:58:41,380 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 11:58:41,381 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 11:58:41,381 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 11:58:41,382 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-36.i [2024-12-02 11:58:43,951 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/data/bcfa4d0db/4f82a0a46bb945789290197163b04f81/FLAG1fd3d521b [2024-12-02 11:58:44,172 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 11:58:44,173 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-36.i [2024-12-02 11:58:44,181 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/data/bcfa4d0db/4f82a0a46bb945789290197163b04f81/FLAG1fd3d521b [2024-12-02 11:58:44,540 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/data/bcfa4d0db/4f82a0a46bb945789290197163b04f81 [2024-12-02 11:58:44,542 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 11:58:44,543 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 11:58:44,544 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 11:58:44,544 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 11:58:44,547 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 11:58:44,547 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:58:44" (1/1) ... [2024-12-02 11:58:44,548 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77f6ec01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:58:44, skipping insertion in model container [2024-12-02 11:58:44,548 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:58:44" (1/1) ... [2024-12-02 11:58:44,563 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 11:58:44,693 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_b93e9027-b8c0-497f-8d67-3328f68e0618/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-36.i[916,929] [2024-12-02 11:58:44,741 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 11:58:44,751 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 11:58:44,762 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_b93e9027-b8c0-497f-8d67-3328f68e0618/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-36.i[916,929] [2024-12-02 11:58:44,789 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 11:58:44,806 INFO L204 MainTranslator]: Completed translation [2024-12-02 11:58:44,806 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:58:44 WrapperNode [2024-12-02 11:58:44,806 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 11:58:44,807 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 11:58:44,807 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 11:58:44,807 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 11:58:44,814 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:58:44" (1/1) ... [2024-12-02 11:58:44,824 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:58:44" (1/1) ... [2024-12-02 11:58:44,852 INFO L138 Inliner]: procedures = 29, calls = 167, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 583 [2024-12-02 11:58:44,852 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 11:58:44,852 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 11:58:44,852 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 11:58:44,853 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 11:58:44,862 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:58:44" (1/1) ... [2024-12-02 11:58:44,862 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:58:44" (1/1) ... [2024-12-02 11:58:44,866 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:58:44" (1/1) ... [2024-12-02 11:58:44,889 INFO L175 MemorySlicer]: Split 133 memory accesses to 13 slices as follows [2, 9, 8, 6, 8, 11, 6, 19, 10, 16, 16, 14, 8]. 14 percent of accesses are in the largest equivalence class. The 14 initializations are split as follows [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]. The 18 writes are split as follows [0, 4, 1, 1, 1, 1, 1, 2, 1, 1, 1, 3, 1]. [2024-12-02 11:58:44,890 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:58:44" (1/1) ... [2024-12-02 11:58:44,890 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:58:44" (1/1) ... [2024-12-02 11:58:44,904 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:58:44" (1/1) ... [2024-12-02 11:58:44,905 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:58:44" (1/1) ... [2024-12-02 11:58:44,910 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:58:44" (1/1) ... [2024-12-02 11:58:44,914 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:58:44" (1/1) ... [2024-12-02 11:58:44,916 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:58:44" (1/1) ... [2024-12-02 11:58:44,922 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 11:58:44,922 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 11:58:44,923 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 11:58:44,923 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 11:58:44,924 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:58:44" (1/1) ... [2024-12-02 11:58:44,929 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 11:58:44,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:58:44,952 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 11:58:44,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 11:58:44,977 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 11:58:44,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-12-02 11:58:44,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-12-02 11:58:44,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2024-12-02 11:58:44,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2024-12-02 11:58:44,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2024-12-02 11:58:44,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2024-12-02 11:58:44,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2024-12-02 11:58:44,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2024-12-02 11:58:44,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#8 [2024-12-02 11:58:44,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#9 [2024-12-02 11:58:44,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#10 [2024-12-02 11:58:44,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#11 [2024-12-02 11:58:44,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#12 [2024-12-02 11:58:44,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-12-02 11:58:44,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-12-02 11:58:44,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-12-02 11:58:44,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-12-02 11:58:44,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-12-02 11:58:44,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-12-02 11:58:44,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-12-02 11:58:44,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-12-02 11:58:44,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-12-02 11:58:44,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-12-02 11:58:44,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-12-02 11:58:44,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-12-02 11:58:44,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-12-02 11:58:44,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2024-12-02 11:58:44,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2024-12-02 11:58:44,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2024-12-02 11:58:44,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2024-12-02 11:58:44,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2024-12-02 11:58:44,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2024-12-02 11:58:44,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#6 [2024-12-02 11:58:44,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#7 [2024-12-02 11:58:44,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#8 [2024-12-02 11:58:44,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#9 [2024-12-02 11:58:44,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#10 [2024-12-02 11:58:44,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#11 [2024-12-02 11:58:44,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#12 [2024-12-02 11:58:44,980 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-12-02 11:58:44,980 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-12-02 11:58:44,980 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-12-02 11:58:44,980 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-12-02 11:58:44,980 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-12-02 11:58:44,980 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-12-02 11:58:44,980 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-12-02 11:58:44,980 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-12-02 11:58:44,980 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-12-02 11:58:44,980 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-12-02 11:58:44,980 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-12-02 11:58:44,980 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-12-02 11:58:44,981 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-12-02 11:58:44,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2024-12-02 11:58:44,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2024-12-02 11:58:44,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2024-12-02 11:58:44,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2024-12-02 11:58:44,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2024-12-02 11:58:44,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#5 [2024-12-02 11:58:44,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#6 [2024-12-02 11:58:44,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#7 [2024-12-02 11:58:44,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#8 [2024-12-02 11:58:44,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#9 [2024-12-02 11:58:44,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#10 [2024-12-02 11:58:44,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#11 [2024-12-02 11:58:44,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#12 [2024-12-02 11:58:44,981 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 11:58:44,981 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 11:58:44,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 11:58:44,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-02 11:58:44,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-12-02 11:58:44,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-12-02 11:58:44,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-12-02 11:58:44,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-12-02 11:58:44,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-12-02 11:58:44,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-12-02 11:58:44,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-12-02 11:58:44,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-12-02 11:58:44,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-12-02 11:58:44,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-12-02 11:58:44,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-12-02 11:58:44,982 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 11:58:44,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 11:58:45,147 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 11:58:45,149 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 11:58:45,630 INFO L? ?]: Removed 140 outVars from TransFormulas that were not future-live. [2024-12-02 11:58:45,630 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 11:58:45,640 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 11:58:45,641 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 11:58:45,641 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:58:45 BoogieIcfgContainer [2024-12-02 11:58:45,641 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 11:58:45,643 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 11:58:45,643 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 11:58:45,647 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 11:58:45,647 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 11:58:44" (1/3) ... [2024-12-02 11:58:45,647 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6afe9e4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 11:58:45, skipping insertion in model container [2024-12-02 11:58:45,647 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:58:44" (2/3) ... [2024-12-02 11:58:45,648 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6afe9e4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 11:58:45, skipping insertion in model container [2024-12-02 11:58:45,648 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:58:45" (3/3) ... [2024-12-02 11:58:45,649 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-p_file-36.i [2024-12-02 11:58:45,660 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 11:58:45,661 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-p_file-36.i that has 2 procedures, 123 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 11:58:45,705 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 11:58:45,715 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;@66801668, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 11:58:45,715 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 11:58:45,719 INFO L276 IsEmpty]: Start isEmpty. Operand has 123 states, 109 states have (on average 1.4862385321100917) internal successors, (162), 110 states have internal predecessors, (162), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-12-02 11:58:45,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-12-02 11:58:45,727 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:58:45,727 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:58:45,727 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:58:45,731 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:58:45,732 INFO L85 PathProgramCache]: Analyzing trace with hash 7050242, now seen corresponding path program 1 times [2024-12-02 11:58:45,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:58:45,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697207397] [2024-12-02 11:58:45,738 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:58:45,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:58:45,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:58:45,979 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2024-12-02 11:58:45,980 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:58:45,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1697207397] [2024-12-02 11:58:45,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1697207397] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 11:58:45,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1653438379] [2024-12-02 11:58:45,981 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:58:45,981 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:58:45,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:58:45,984 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 11:58:45,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 11:58:46,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:58:46,249 INFO L256 TraceCheckSpWp]: Trace formula consists of 489 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 11:58:46,255 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:58:46,273 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2024-12-02 11:58:46,273 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 11:58:46,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1653438379] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:58:46,273 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 11:58:46,273 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-12-02 11:58:46,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609567943] [2024-12-02 11:58:46,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:58:46,279 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 11:58:46,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:58:46,310 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 11:58:46,310 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 11:58:46,313 INFO L87 Difference]: Start difference. First operand has 123 states, 109 states have (on average 1.4862385321100917) internal successors, (162), 110 states have internal predecessors, (162), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) [2024-12-02 11:58:46,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:58:46,339 INFO L93 Difference]: Finished difference Result 239 states and 373 transitions. [2024-12-02 11:58:46,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 11:58:46,340 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) Word has length 109 [2024-12-02 11:58:46,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:58:46,346 INFO L225 Difference]: With dead ends: 239 [2024-12-02 11:58:46,347 INFO L226 Difference]: Without dead ends: 119 [2024-12-02 11:58:46,349 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 11:58:46,352 INFO L435 NwaCegarLoop]: 177 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, 177 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 11:58:46,352 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 11:58:46,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2024-12-02 11:58:46,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2024-12-02 11:58:46,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 106 states have (on average 1.4622641509433962) internal successors, (155), 106 states have internal predecessors, (155), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-12-02 11:58:46,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 177 transitions. [2024-12-02 11:58:46,385 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 177 transitions. Word has length 109 [2024-12-02 11:58:46,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:58:46,385 INFO L471 AbstractCegarLoop]: Abstraction has 119 states and 177 transitions. [2024-12-02 11:58:46,385 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) [2024-12-02 11:58:46,385 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 177 transitions. [2024-12-02 11:58:46,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-12-02 11:58:46,388 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:58:46,388 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:58:46,395 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 11:58:46,588 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-12-02 11:58:46,589 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:58:46,589 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:58:46,589 INFO L85 PathProgramCache]: Analyzing trace with hash -1337140728, now seen corresponding path program 1 times [2024-12-02 11:58:46,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:58:46,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [212731755] [2024-12-02 11:58:46,589 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:58:46,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:58:46,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:58:46,840 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-12-02 11:58:46,840 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:58:46,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [212731755] [2024-12-02 11:58:46,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [212731755] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:58:46,840 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:58:46,841 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 11:58:46,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1103166007] [2024-12-02 11:58:46,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:58:46,841 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 11:58:46,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:58:46,842 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 11:58:46,842 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 11:58:46,843 INFO L87 Difference]: Start difference. First operand 119 states and 177 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-12-02 11:58:46,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:58:46,881 INFO L93 Difference]: Finished difference Result 237 states and 354 transitions. [2024-12-02 11:58:46,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 11:58:46,882 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 109 [2024-12-02 11:58:46,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:58:46,884 INFO L225 Difference]: With dead ends: 237 [2024-12-02 11:58:46,884 INFO L226 Difference]: Without dead ends: 121 [2024-12-02 11:58:46,884 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 11:58:46,885 INFO L435 NwaCegarLoop]: 175 mSDtfsCounter, 0 mSDsluCounter, 339 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 514 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 11:58:46,885 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 514 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 11:58:46,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2024-12-02 11:58:46,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2024-12-02 11:58:46,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 108 states have (on average 1.4537037037037037) internal successors, (157), 108 states have internal predecessors, (157), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-12-02 11:58:46,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 179 transitions. [2024-12-02 11:58:46,894 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 179 transitions. Word has length 109 [2024-12-02 11:58:46,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:58:46,896 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 179 transitions. [2024-12-02 11:58:46,896 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-12-02 11:58:46,896 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 179 transitions. [2024-12-02 11:58:46,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-12-02 11:58:46,897 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:58:46,898 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:58:46,898 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 11:58:46,898 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:58:46,898 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:58:46,898 INFO L85 PathProgramCache]: Analyzing trace with hash -2016412982, now seen corresponding path program 1 times [2024-12-02 11:58:46,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:58:46,898 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064852463] [2024-12-02 11:58:46,899 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:58:46,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:58:46,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:58:47,182 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-12-02 11:58:47,182 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:58:47,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1064852463] [2024-12-02 11:58:47,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1064852463] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:58:47,182 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:58:47,183 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 11:58:47,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1077919633] [2024-12-02 11:58:47,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:58:47,183 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 11:58:47,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:58:47,184 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 11:58:47,184 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 11:58:47,184 INFO L87 Difference]: Start difference. First operand 121 states and 179 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 11:58:47,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:58:47,334 INFO L93 Difference]: Finished difference Result 358 states and 532 transitions. [2024-12-02 11:58:47,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 11:58:47,335 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 109 [2024-12-02 11:58:47,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:58:47,337 INFO L225 Difference]: With dead ends: 358 [2024-12-02 11:58:47,337 INFO L226 Difference]: Without dead ends: 240 [2024-12-02 11:58:47,338 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-02 11:58:47,339 INFO L435 NwaCegarLoop]: 165 mSDtfsCounter, 191 mSDsluCounter, 320 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 485 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 11:58:47,339 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [191 Valid, 485 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 11:58:47,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2024-12-02 11:58:47,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 212. [2024-12-02 11:58:47,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 212 states, 187 states have (on average 1.4491978609625669) internal successors, (271), 187 states have internal predecessors, (271), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-12-02 11:58:47,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 315 transitions. [2024-12-02 11:58:47,360 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 315 transitions. Word has length 109 [2024-12-02 11:58:47,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:58:47,360 INFO L471 AbstractCegarLoop]: Abstraction has 212 states and 315 transitions. [2024-12-02 11:58:47,361 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 11:58:47,361 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 315 transitions. [2024-12-02 11:58:47,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-12-02 11:58:47,362 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:58:47,363 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:58:47,363 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 11:58:47,363 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:58:47,363 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:58:47,363 INFO L85 PathProgramCache]: Analyzing trace with hash -31365051, now seen corresponding path program 1 times [2024-12-02 11:58:47,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:58:47,364 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [550372509] [2024-12-02 11:58:47,364 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:58:47,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:58:47,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:58:47,754 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-12-02 11:58:47,754 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:58:47,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [550372509] [2024-12-02 11:58:47,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [550372509] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:58:47,754 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:58:47,754 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 11:58:47,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029435664] [2024-12-02 11:58:47,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:58:47,755 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 11:58:47,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:58:47,755 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 11:58:47,755 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 11:58:47,756 INFO L87 Difference]: Start difference. First operand 212 states and 315 transitions. Second operand has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 11:58:47,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:58:47,823 INFO L93 Difference]: Finished difference Result 492 states and 737 transitions. [2024-12-02 11:58:47,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 11:58:47,823 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 110 [2024-12-02 11:58:47,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:58:47,826 INFO L225 Difference]: With dead ends: 492 [2024-12-02 11:58:47,826 INFO L226 Difference]: Without dead ends: 362 [2024-12-02 11:58:47,827 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-02 11:58:47,828 INFO L435 NwaCegarLoop]: 166 mSDtfsCounter, 126 mSDsluCounter, 325 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 491 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 11:58:47,828 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 491 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 11:58:47,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2024-12-02 11:58:47,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 358. [2024-12-02 11:58:47,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 358 states, 321 states have (on average 1.4672897196261683) internal successors, (471), 321 states have internal predecessors, (471), 33 states have call successors, (33), 3 states have call predecessors, (33), 3 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-12-02 11:58:47,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 358 states and 537 transitions. [2024-12-02 11:58:47,851 INFO L78 Accepts]: Start accepts. Automaton has 358 states and 537 transitions. Word has length 110 [2024-12-02 11:58:47,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:58:47,852 INFO L471 AbstractCegarLoop]: Abstraction has 358 states and 537 transitions. [2024-12-02 11:58:47,852 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 11:58:47,852 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 537 transitions. [2024-12-02 11:58:47,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-12-02 11:58:47,853 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:58:47,853 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:58:47,854 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 11:58:47,854 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:58:47,854 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:58:47,854 INFO L85 PathProgramCache]: Analyzing trace with hash -1311228729, now seen corresponding path program 1 times [2024-12-02 11:58:47,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:58:47,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953066125] [2024-12-02 11:58:47,854 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:58:47,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:58:47,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:58:48,138 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-12-02 11:58:48,139 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:58:48,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953066125] [2024-12-02 11:58:48,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1953066125] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:58:48,139 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:58:48,139 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 11:58:48,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669580253] [2024-12-02 11:58:48,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:58:48,139 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 11:58:48,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:58:48,140 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 11:58:48,140 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 11:58:48,140 INFO L87 Difference]: Start difference. First operand 358 states and 537 transitions. Second operand has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 11:58:48,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:58:48,211 INFO L93 Difference]: Finished difference Result 600 states and 898 transitions. [2024-12-02 11:58:48,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 11:58:48,212 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 110 [2024-12-02 11:58:48,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:58:48,214 INFO L225 Difference]: With dead ends: 600 [2024-12-02 11:58:48,214 INFO L226 Difference]: Without dead ends: 364 [2024-12-02 11:58:48,215 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-02 11:58:48,216 INFO L435 NwaCegarLoop]: 166 mSDtfsCounter, 123 mSDsluCounter, 325 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 491 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 11:58:48,216 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [123 Valid, 491 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 11:58:48,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2024-12-02 11:58:48,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 360. [2024-12-02 11:58:48,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 360 states, 323 states have (on average 1.4643962848297214) internal successors, (473), 323 states have internal predecessors, (473), 33 states have call successors, (33), 3 states have call predecessors, (33), 3 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-12-02 11:58:48,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 539 transitions. [2024-12-02 11:58:48,235 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 539 transitions. Word has length 110 [2024-12-02 11:58:48,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:58:48,236 INFO L471 AbstractCegarLoop]: Abstraction has 360 states and 539 transitions. [2024-12-02 11:58:48,236 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 11:58:48,236 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 539 transitions. [2024-12-02 11:58:48,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-12-02 11:58:48,237 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:58:48,237 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:58:48,237 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 11:58:48,237 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:58:48,238 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:58:48,238 INFO L85 PathProgramCache]: Analyzing trace with hash -1053063291, now seen corresponding path program 1 times [2024-12-02 11:58:48,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:58:48,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904835450] [2024-12-02 11:58:48,238 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:58:48,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:58:48,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:58:48,748 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-12-02 11:58:48,748 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:58:48,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1904835450] [2024-12-02 11:58:48,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1904835450] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:58:48,748 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:58:48,748 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 11:58:48,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035173095] [2024-12-02 11:58:48,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:58:48,749 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 11:58:48,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:58:48,749 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 11:58:48,749 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 11:58:48,749 INFO L87 Difference]: Start difference. First operand 360 states and 539 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 11:58:48,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:58:48,870 INFO L93 Difference]: Finished difference Result 832 states and 1241 transitions. [2024-12-02 11:58:48,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 11:58:48,870 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 110 [2024-12-02 11:58:48,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:58:48,874 INFO L225 Difference]: With dead ends: 832 [2024-12-02 11:58:48,874 INFO L226 Difference]: Without dead ends: 598 [2024-12-02 11:58:48,875 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 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 11:58:48,875 INFO L435 NwaCegarLoop]: 197 mSDtfsCounter, 150 mSDsluCounter, 537 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 734 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 11:58:48,876 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [150 Valid, 734 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 11:58:48,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 598 states. [2024-12-02 11:58:48,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 598 to 380. [2024-12-02 11:58:48,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 380 states, 343 states have (on average 1.4606413994169096) internal successors, (501), 343 states have internal predecessors, (501), 33 states have call successors, (33), 3 states have call predecessors, (33), 3 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-12-02 11:58:48,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 567 transitions. [2024-12-02 11:58:48,902 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 567 transitions. Word has length 110 [2024-12-02 11:58:48,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:58:48,903 INFO L471 AbstractCegarLoop]: Abstraction has 380 states and 567 transitions. [2024-12-02 11:58:48,903 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 11:58:48,903 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 567 transitions. [2024-12-02 11:58:48,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-12-02 11:58:48,904 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:58:48,905 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:58:48,905 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 11:58:48,905 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:58:48,905 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:58:48,905 INFO L85 PathProgramCache]: Analyzing trace with hash 1887774705, now seen corresponding path program 1 times [2024-12-02 11:58:48,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:58:48,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2040471307] [2024-12-02 11:58:48,905 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:58:48,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:58:48,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 11:58:48,961 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 11:58:48,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 11:58:49,088 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-12-02 11:58:49,089 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-02 11:58:49,090 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 11:58:49,091 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-02 11:58:49,094 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:58:49,239 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 11:58:49,242 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 11:58:49 BoogieIcfgContainer [2024-12-02 11:58:49,243 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 11:58:49,243 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 11:58:49,243 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 11:58:49,243 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 11:58:49,244 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:58:45" (3/4) ... [2024-12-02 11:58:49,246 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-02 11:58:49,247 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 11:58:49,248 INFO L158 Benchmark]: Toolchain (without parser) took 4704.69ms. Allocated memory was 117.4MB in the beginning and 218.1MB in the end (delta: 100.7MB). Free memory was 93.5MB in the beginning and 84.6MB in the end (delta: 8.9MB). Peak memory consumption was 113.2MB. Max. memory is 16.1GB. [2024-12-02 11:58:49,248 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 117.4MB. Free memory was 72.7MB in the beginning and 72.6MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 11:58:49,248 INFO L158 Benchmark]: CACSL2BoogieTranslator took 263.18ms. Allocated memory is still 117.4MB. Free memory was 93.3MB in the beginning and 78.8MB in the end (delta: 14.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 11:58:49,249 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.65ms. Allocated memory is still 117.4MB. Free memory was 78.8MB in the beginning and 75.6MB in the end (delta: 3.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 11:58:49,249 INFO L158 Benchmark]: Boogie Preprocessor took 69.46ms. Allocated memory is still 117.4MB. Free memory was 75.6MB in the beginning and 70.6MB in the end (delta: 4.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 11:58:49,249 INFO L158 Benchmark]: RCFGBuilder took 718.79ms. Allocated memory is still 117.4MB. Free memory was 70.6MB in the beginning and 81.5MB in the end (delta: -10.9MB). Peak memory consumption was 40.9MB. Max. memory is 16.1GB. [2024-12-02 11:58:49,249 INFO L158 Benchmark]: TraceAbstraction took 3599.51ms. Allocated memory was 117.4MB in the beginning and 218.1MB in the end (delta: 100.7MB). Free memory was 81.0MB in the beginning and 84.6MB in the end (delta: -3.7MB). Peak memory consumption was 89.1MB. Max. memory is 16.1GB. [2024-12-02 11:58:49,250 INFO L158 Benchmark]: Witness Printer took 3.73ms. Allocated memory is still 218.1MB. Free memory was 84.6MB in the beginning and 84.6MB in the end (delta: 27.4kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 11:58:49,251 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 117.4MB. Free memory was 72.7MB in the beginning and 72.6MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 263.18ms. Allocated memory is still 117.4MB. Free memory was 93.3MB in the beginning and 78.8MB in the end (delta: 14.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.65ms. Allocated memory is still 117.4MB. Free memory was 78.8MB in the beginning and 75.6MB in the end (delta: 3.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 69.46ms. Allocated memory is still 117.4MB. Free memory was 75.6MB in the beginning and 70.6MB in the end (delta: 4.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 718.79ms. Allocated memory is still 117.4MB. Free memory was 70.6MB in the beginning and 81.5MB in the end (delta: -10.9MB). Peak memory consumption was 40.9MB. Max. memory is 16.1GB. * TraceAbstraction took 3599.51ms. Allocated memory was 117.4MB in the beginning and 218.1MB in the end (delta: 100.7MB). Free memory was 81.0MB in the beginning and 84.6MB in the end (delta: -3.7MB). Peak memory consumption was 89.1MB. Max. memory is 16.1GB. * Witness Printer took 3.73ms. Allocated memory is still 218.1MB. Free memory was 84.6MB in the beginning and 84.6MB in the end (delta: 27.4kB). Peak memory consumption was 8.4MB. 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 shiftRight at line 50, overapproximation of someBinaryFLOATComparisonOperation at line 84, overapproximation of someBinaryFLOATComparisonOperation at line 84, overapproximation of someBinaryFLOATComparisonOperation at line 89, overapproximation of someBinaryFLOATComparisonOperation at line 89, overapproximation of someBinaryFLOATComparisonOperation at line 62, overapproximation of someBinaryDOUBLEComparisonOperation at line 96, overapproximation of someBinaryDOUBLEComparisonOperation at line 107, overapproximation of someBinaryDOUBLEComparisonOperation at line 98, overapproximation of someBinaryDOUBLEComparisonOperation at line 69, overapproximation of someBinaryDOUBLEComparisonOperation at line 98, overapproximation of someBinaryDOUBLEComparisonOperation at line 94, overapproximation of someBinaryDOUBLEComparisonOperation at line 94, overapproximation of someBinaryDOUBLEComparisonOperation at line 69, overapproximation of someBinaryDOUBLEComparisonOperation at line 96, overapproximation of someBinaryDOUBLEComparisonOperation at line 67, overapproximation of someBinaryDOUBLEComparisonOperation at line 53. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned long int var_1_1 = 1; [L22] unsigned long int var_1_1 = 1; [L23] unsigned long int* var_1_1_Pointer = &(var_1_1); [L24] float var_1_3 = 9999999999.875; [L24] float var_1_3 = 9999999999.875; [L25] float* var_1_3_Pointer = &(var_1_3); [L26] unsigned char var_1_4 = 0; [L26] unsigned char var_1_4 = 0; [L27] unsigned char* var_1_4_Pointer = &(var_1_4); [L28] float var_1_5 = 4.25; [L28] float var_1_5 = 4.25; [L29] float* var_1_5_Pointer = &(var_1_5); [L30] unsigned char var_1_7 = 1; [L30] unsigned char var_1_7 = 1; [L31] unsigned char* var_1_7_Pointer = &(var_1_7); [L32] unsigned char var_1_9 = 1; [L32] unsigned char var_1_9 = 1; [L33] unsigned char* var_1_9_Pointer = &(var_1_9); [L34] double var_1_10 = 64.2; [L34] double var_1_10 = 64.2; [L35] double* var_1_10_Pointer = &(var_1_10); [L36] double var_1_11 = 9.5; [L36] double var_1_11 = 9.5; [L37] double* var_1_11_Pointer = &(var_1_11); [L38] double var_1_12 = 199.5; [L38] double var_1_12 = 199.5; [L39] double* var_1_12_Pointer = &(var_1_12); [L40] double var_1_13 = 3.5; [L40] double var_1_13 = 3.5; [L41] double* var_1_13_Pointer = &(var_1_13); [L42] unsigned char var_1_14 = 1; [L42] unsigned char var_1_14 = 1; [L43] unsigned char* var_1_14_Pointer = &(var_1_14); [L44] unsigned char var_1_16 = 2; [L44] unsigned char var_1_16 = 2; [L45] unsigned char* var_1_16_Pointer = &(var_1_16); [L46] unsigned char last_1_var_1_14 = 1; VAL [isInitial=0, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L111] isInitial = 1 [L112] FCALL initially() [L114] CALL updateLastVariables() [L104] EXPR \read(var_1_14) [L104] last_1_var_1_14 = var_1_14 [L114] RET updateLastVariables() [L115] CALL updateVariables() [L83] var_1_3 = __VERIFIER_nondet_float() [L84] EXPR \read(var_1_3) [L84] EXPR var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L84] EXPR var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F [L84] EXPR \read(var_1_3) [L84] EXPR var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L84] EXPR (var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F ) VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L84] EXPR (var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F ) VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L84] CALL assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L84] RET assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L85] var_1_4 = __VERIFIER_nondet_uchar() [L86] EXPR \read(var_1_4) VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L86] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L86] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L87] EXPR \read(var_1_4) VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L87] CALL assume_abort_if_not(var_1_4 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L87] RET assume_abort_if_not(var_1_4 <= 1) VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L88] var_1_5 = __VERIFIER_nondet_float() [L89] EXPR \read(var_1_5) [L89] EXPR var_1_5 >= -922337.2036854776000e+13F && var_1_5 <= -1.0e-20F VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L89] EXPR var_1_5 >= -922337.2036854776000e+13F && var_1_5 <= -1.0e-20F [L89] EXPR \read(var_1_5) [L89] EXPR var_1_5 >= -922337.2036854776000e+13F && var_1_5 <= -1.0e-20F VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L89] EXPR (var_1_5 >= -922337.2036854776000e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F ) VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L89] EXPR (var_1_5 >= -922337.2036854776000e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F ) VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L89] CALL assume_abort_if_not((var_1_5 >= -922337.2036854776000e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L89] RET assume_abort_if_not((var_1_5 >= -922337.2036854776000e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L90] var_1_9 = __VERIFIER_nondet_uchar() [L91] EXPR \read(var_1_9) VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L91] CALL assume_abort_if_not(var_1_9 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L91] RET assume_abort_if_not(var_1_9 >= 1) VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L92] EXPR \read(var_1_9) VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L92] CALL assume_abort_if_not(var_1_9 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L92] RET assume_abort_if_not(var_1_9 <= 1) VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L93] var_1_11 = __VERIFIER_nondet_double() [L94] EXPR \read(var_1_11) [L94] EXPR var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L94] EXPR var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F [L94] EXPR \read(var_1_11) [L94] EXPR var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L94] EXPR (var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F ) VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L94] EXPR (var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F ) VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L94] CALL assume_abort_if_not((var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L94] RET assume_abort_if_not((var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L95] var_1_12 = __VERIFIER_nondet_double() [L96] EXPR \read(var_1_12) [L96] EXPR var_1_12 >= -922337.2036854765600e+13F && var_1_12 <= -1.0e-20F VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L96] EXPR var_1_12 >= -922337.2036854765600e+13F && var_1_12 <= -1.0e-20F [L96] EXPR \read(var_1_12) [L96] EXPR var_1_12 >= -922337.2036854765600e+13F && var_1_12 <= -1.0e-20F VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L96] EXPR (var_1_12 >= -922337.2036854765600e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F ) VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L96] EXPR (var_1_12 >= -922337.2036854765600e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F ) VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L96] CALL assume_abort_if_not((var_1_12 >= -922337.2036854765600e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L96] RET assume_abort_if_not((var_1_12 >= -922337.2036854765600e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L97] var_1_13 = __VERIFIER_nondet_double() [L98] EXPR \read(var_1_13) [L98] EXPR var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L98] EXPR var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F [L98] EXPR \read(var_1_13) [L98] EXPR var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L98] EXPR (var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F ) VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L98] EXPR (var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F ) VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L98] CALL assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L98] RET assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L99] var_1_16 = __VERIFIER_nondet_uchar() [L100] EXPR \read(var_1_16) VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L100] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L100] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L101] EXPR \read(var_1_16) VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L101] CALL assume_abort_if_not(var_1_16 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L101] RET assume_abort_if_not(var_1_16 <= 254) VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L115] RET updateVariables() [L116] CALL step() [L50] EXPR last_1_var_1_14 >> last_1_var_1_14 VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L50] COND FALSE !((last_1_var_1_14 >> last_1_var_1_14) < (- last_1_var_1_14)) [L53] EXPR \read(*var_1_13_Pointer) [L53] EXPR \read(*var_1_12_Pointer) VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L53] COND FALSE !((*(var_1_13_Pointer)) == (- (*(var_1_12_Pointer)))) [L60] (*(var_1_14_Pointer)) = 0 VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L62] EXPR \read(*var_1_5_Pointer) [L62] EXPR \read(*var_1_3_Pointer) VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L62] COND TRUE (*(var_1_5_Pointer)) > (*(var_1_3_Pointer)) [L63] (*(var_1_10_Pointer)) = 4.6 VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L67] EXPR \read(*var_1_10_Pointer) [L67] EXPR \read(*var_1_10_Pointer) [L67] unsigned char stepLocal_0 = (*(var_1_10_Pointer)) > (*(var_1_10_Pointer)); [L68] stepLocal_0 && (*(var_1_7_Pointer)) VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L68] stepLocal_0 && (*(var_1_7_Pointer)) [L68] EXPR \read(*var_1_7_Pointer) [L68] stepLocal_0 && (*(var_1_7_Pointer)) VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L68] COND TRUE stepLocal_0 && (*(var_1_7_Pointer)) [L69] EXPR \read(*var_1_10_Pointer) [L69] EXPR \read(*var_1_10_Pointer) VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L69] EXPR (((*(var_1_10_Pointer))) > ((- (*(var_1_10_Pointer))))) ? ((*(var_1_10_Pointer))) : ((- (*(var_1_10_Pointer)))) [L69] EXPR \read(*var_1_10_Pointer) [L69] EXPR (((*(var_1_10_Pointer))) > ((- (*(var_1_10_Pointer))))) ? ((*(var_1_10_Pointer))) : ((- (*(var_1_10_Pointer)))) VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L69] EXPR \read(*var_1_10_Pointer) VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L69] COND TRUE (((((*(var_1_10_Pointer))) > ((- (*(var_1_10_Pointer))))) ? ((*(var_1_10_Pointer))) : ((- (*(var_1_10_Pointer)))))) != (*(var_1_10_Pointer)) [L70] EXPR \read(*var_1_7_Pointer) VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L70] COND TRUE (*(var_1_7_Pointer)) [L71] (*(var_1_1_Pointer)) = 10u VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L116] RET step() [L117] CALL, EXPR property() [L107] EXPR \read(*var_1_10_Pointer) [L107] EXPR \read(*var_1_10_Pointer) [L107] EXPR ((*(var_1_10_Pointer)) > (*(var_1_10_Pointer))) && (*(var_1_7_Pointer)) VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L107] EXPR ((*(var_1_10_Pointer)) > (*(var_1_10_Pointer))) && (*(var_1_7_Pointer)) VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L107] EXPR (((*(var_1_10_Pointer)) > (*(var_1_10_Pointer))) && (*(var_1_7_Pointer))) ? (((((((*(var_1_10_Pointer))) > ((- (*(var_1_10_Pointer))))) ? ((*(var_1_10_Pointer))) : ((- (*(var_1_10_Pointer)))))) != (*(var_1_10_Pointer))) ? ((*(var_1_7_Pointer)) ? ((*(var_1_1_Pointer)) == ((unsigned long int) 10u)) : ((*(var_1_1_Pointer)) == ((unsigned long int) (*(var_1_14_Pointer))))) : ((*(var_1_1_Pointer)) == ((unsigned long int) (*(var_1_14_Pointer))))) : ((*(var_1_1_Pointer)) == ((unsigned long int) (*(var_1_14_Pointer)))) [L107] EXPR \read(*var_1_1_Pointer) [L107] EXPR \read(*var_1_14_Pointer) [L107] EXPR (((*(var_1_10_Pointer)) > (*(var_1_10_Pointer))) && (*(var_1_7_Pointer))) ? (((((((*(var_1_10_Pointer))) > ((- (*(var_1_10_Pointer))))) ? ((*(var_1_10_Pointer))) : ((- (*(var_1_10_Pointer)))))) != (*(var_1_10_Pointer))) ? ((*(var_1_7_Pointer)) ? ((*(var_1_1_Pointer)) == ((unsigned long int) 10u)) : ((*(var_1_1_Pointer)) == ((unsigned long int) (*(var_1_14_Pointer))))) : ((*(var_1_1_Pointer)) == ((unsigned long int) (*(var_1_14_Pointer))))) : ((*(var_1_1_Pointer)) == ((unsigned long int) (*(var_1_14_Pointer)))) VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L107] EXPR ((((*(var_1_10_Pointer)) > (*(var_1_10_Pointer))) && (*(var_1_7_Pointer))) ? (((((((*(var_1_10_Pointer))) > ((- (*(var_1_10_Pointer))))) ? ((*(var_1_10_Pointer))) : ((- (*(var_1_10_Pointer)))))) != (*(var_1_10_Pointer))) ? ((*(var_1_7_Pointer)) ? ((*(var_1_1_Pointer)) == ((unsigned long int) 10u)) : ((*(var_1_1_Pointer)) == ((unsigned long int) (*(var_1_14_Pointer))))) : ((*(var_1_1_Pointer)) == ((unsigned long int) (*(var_1_14_Pointer))))) : ((*(var_1_1_Pointer)) == ((unsigned long int) (*(var_1_14_Pointer))))) && (((last_1_var_1_14 >> last_1_var_1_14) < (- last_1_var_1_14)) ? ((*(var_1_7_Pointer)) == ((unsigned char) ((*(var_1_4_Pointer)) || (*(var_1_9_Pointer))))) : 1) VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L107] EXPR ((((*(var_1_10_Pointer)) > (*(var_1_10_Pointer))) && (*(var_1_7_Pointer))) ? (((((((*(var_1_10_Pointer))) > ((- (*(var_1_10_Pointer))))) ? ((*(var_1_10_Pointer))) : ((- (*(var_1_10_Pointer)))))) != (*(var_1_10_Pointer))) ? ((*(var_1_7_Pointer)) ? ((*(var_1_1_Pointer)) == ((unsigned long int) 10u)) : ((*(var_1_1_Pointer)) == ((unsigned long int) (*(var_1_14_Pointer))))) : ((*(var_1_1_Pointer)) == ((unsigned long int) (*(var_1_14_Pointer))))) : ((*(var_1_1_Pointer)) == ((unsigned long int) (*(var_1_14_Pointer))))) && (((last_1_var_1_14 >> last_1_var_1_14) < (- last_1_var_1_14)) ? ((*(var_1_7_Pointer)) == ((unsigned char) ((*(var_1_4_Pointer)) || (*(var_1_9_Pointer))))) : 1) VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L107] EXPR (((((*(var_1_10_Pointer)) > (*(var_1_10_Pointer))) && (*(var_1_7_Pointer))) ? (((((((*(var_1_10_Pointer))) > ((- (*(var_1_10_Pointer))))) ? ((*(var_1_10_Pointer))) : ((- (*(var_1_10_Pointer)))))) != (*(var_1_10_Pointer))) ? ((*(var_1_7_Pointer)) ? ((*(var_1_1_Pointer)) == ((unsigned long int) 10u)) : ((*(var_1_1_Pointer)) == ((unsigned long int) (*(var_1_14_Pointer))))) : ((*(var_1_1_Pointer)) == ((unsigned long int) (*(var_1_14_Pointer))))) : ((*(var_1_1_Pointer)) == ((unsigned long int) (*(var_1_14_Pointer))))) && (((last_1_var_1_14 >> last_1_var_1_14) < (- last_1_var_1_14)) ? ((*(var_1_7_Pointer)) == ((unsigned char) ((*(var_1_4_Pointer)) || (*(var_1_9_Pointer))))) : 1)) && (((*(var_1_5_Pointer)) > (*(var_1_3_Pointer))) ? ((*(var_1_10_Pointer)) == ((double) 4.6)) : ((*(var_1_10_Pointer)) == ((double) (((((*(var_1_11_Pointer))) > ((((((*(var_1_12_Pointer))) > ((*(var_1_13_Pointer)))) ? ((*(var_1_12_Pointer))) : ((*(var_1_13_Pointer))))))) ? ((*(var_1_11_Pointer))) : ((((((*(var_1_12_Pointer))) > ((*(var_1_13_Pointer)))) ? ((*(var_1_12_Pointer))) : ((*(var_1_13_Pointer))))))))))) VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L107] EXPR (((((*(var_1_10_Pointer)) > (*(var_1_10_Pointer))) && (*(var_1_7_Pointer))) ? (((((((*(var_1_10_Pointer))) > ((- (*(var_1_10_Pointer))))) ? ((*(var_1_10_Pointer))) : ((- (*(var_1_10_Pointer)))))) != (*(var_1_10_Pointer))) ? ((*(var_1_7_Pointer)) ? ((*(var_1_1_Pointer)) == ((unsigned long int) 10u)) : ((*(var_1_1_Pointer)) == ((unsigned long int) (*(var_1_14_Pointer))))) : ((*(var_1_1_Pointer)) == ((unsigned long int) (*(var_1_14_Pointer))))) : ((*(var_1_1_Pointer)) == ((unsigned long int) (*(var_1_14_Pointer))))) && (((last_1_var_1_14 >> last_1_var_1_14) < (- last_1_var_1_14)) ? ((*(var_1_7_Pointer)) == ((unsigned char) ((*(var_1_4_Pointer)) || (*(var_1_9_Pointer))))) : 1)) && (((*(var_1_5_Pointer)) > (*(var_1_3_Pointer))) ? ((*(var_1_10_Pointer)) == ((double) 4.6)) : ((*(var_1_10_Pointer)) == ((double) (((((*(var_1_11_Pointer))) > ((((((*(var_1_12_Pointer))) > ((*(var_1_13_Pointer)))) ? ((*(var_1_12_Pointer))) : ((*(var_1_13_Pointer))))))) ? ((*(var_1_11_Pointer))) : ((((((*(var_1_12_Pointer))) > ((*(var_1_13_Pointer)))) ? ((*(var_1_12_Pointer))) : ((*(var_1_13_Pointer))))))))))) VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L107] EXPR ((((((*(var_1_10_Pointer)) > (*(var_1_10_Pointer))) && (*(var_1_7_Pointer))) ? (((((((*(var_1_10_Pointer))) > ((- (*(var_1_10_Pointer))))) ? ((*(var_1_10_Pointer))) : ((- (*(var_1_10_Pointer)))))) != (*(var_1_10_Pointer))) ? ((*(var_1_7_Pointer)) ? ((*(var_1_1_Pointer)) == ((unsigned long int) 10u)) : ((*(var_1_1_Pointer)) == ((unsigned long int) (*(var_1_14_Pointer))))) : ((*(var_1_1_Pointer)) == ((unsigned long int) (*(var_1_14_Pointer))))) : ((*(var_1_1_Pointer)) == ((unsigned long int) (*(var_1_14_Pointer))))) && (((last_1_var_1_14 >> last_1_var_1_14) < (- last_1_var_1_14)) ? ((*(var_1_7_Pointer)) == ((unsigned char) ((*(var_1_4_Pointer)) || (*(var_1_9_Pointer))))) : 1)) && (((*(var_1_5_Pointer)) > (*(var_1_3_Pointer))) ? ((*(var_1_10_Pointer)) == ((double) 4.6)) : ((*(var_1_10_Pointer)) == ((double) (((((*(var_1_11_Pointer))) > ((((((*(var_1_12_Pointer))) > ((*(var_1_13_Pointer)))) ? ((*(var_1_12_Pointer))) : ((*(var_1_13_Pointer))))))) ? ((*(var_1_11_Pointer))) : ((((((*(var_1_12_Pointer))) > ((*(var_1_13_Pointer)))) ? ((*(var_1_12_Pointer))) : ((*(var_1_13_Pointer)))))))))))) && (((*(var_1_13_Pointer)) == (- (*(var_1_12_Pointer)))) ? (((*(var_1_7_Pointer)) && (*(var_1_7_Pointer))) ? ((*(var_1_14_Pointer)) == ((unsigned char) (*(var_1_16_Pointer)))) : ((*(var_1_14_Pointer)) == ((unsigned char) (*(var_1_16_Pointer))))) : ((*(var_1_14_Pointer)) == ((unsigned char) 0))) VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L107] EXPR ((((((*(var_1_10_Pointer)) > (*(var_1_10_Pointer))) && (*(var_1_7_Pointer))) ? (((((((*(var_1_10_Pointer))) > ((- (*(var_1_10_Pointer))))) ? ((*(var_1_10_Pointer))) : ((- (*(var_1_10_Pointer)))))) != (*(var_1_10_Pointer))) ? ((*(var_1_7_Pointer)) ? ((*(var_1_1_Pointer)) == ((unsigned long int) 10u)) : ((*(var_1_1_Pointer)) == ((unsigned long int) (*(var_1_14_Pointer))))) : ((*(var_1_1_Pointer)) == ((unsigned long int) (*(var_1_14_Pointer))))) : ((*(var_1_1_Pointer)) == ((unsigned long int) (*(var_1_14_Pointer))))) && (((last_1_var_1_14 >> last_1_var_1_14) < (- last_1_var_1_14)) ? ((*(var_1_7_Pointer)) == ((unsigned char) ((*(var_1_4_Pointer)) || (*(var_1_9_Pointer))))) : 1)) && (((*(var_1_5_Pointer)) > (*(var_1_3_Pointer))) ? ((*(var_1_10_Pointer)) == ((double) 4.6)) : ((*(var_1_10_Pointer)) == ((double) (((((*(var_1_11_Pointer))) > ((((((*(var_1_12_Pointer))) > ((*(var_1_13_Pointer)))) ? ((*(var_1_12_Pointer))) : ((*(var_1_13_Pointer))))))) ? ((*(var_1_11_Pointer))) : ((((((*(var_1_12_Pointer))) > ((*(var_1_13_Pointer)))) ? ((*(var_1_12_Pointer))) : ((*(var_1_13_Pointer)))))))))))) && (((*(var_1_13_Pointer)) == (- (*(var_1_12_Pointer)))) ? (((*(var_1_7_Pointer)) && (*(var_1_7_Pointer))) ? ((*(var_1_14_Pointer)) == ((unsigned char) (*(var_1_16_Pointer)))) : ((*(var_1_14_Pointer)) == ((unsigned char) (*(var_1_16_Pointer))))) : ((*(var_1_14_Pointer)) == ((unsigned char) 0))) VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L107-L108] return ((((((*(var_1_10_Pointer)) > (*(var_1_10_Pointer))) && (*(var_1_7_Pointer))) ? (((((((*(var_1_10_Pointer))) > ((- (*(var_1_10_Pointer))))) ? ((*(var_1_10_Pointer))) : ((- (*(var_1_10_Pointer)))))) != (*(var_1_10_Pointer))) ? ((*(var_1_7_Pointer)) ? ((*(var_1_1_Pointer)) == ((unsigned long int) 10u)) : ((*(var_1_1_Pointer)) == ((unsigned long int) (*(var_1_14_Pointer))))) : ((*(var_1_1_Pointer)) == ((unsigned long int) (*(var_1_14_Pointer))))) : ((*(var_1_1_Pointer)) == ((unsigned long int) (*(var_1_14_Pointer))))) && (((last_1_var_1_14 >> last_1_var_1_14) < (- last_1_var_1_14)) ? ((*(var_1_7_Pointer)) == ((unsigned char) ((*(var_1_4_Pointer)) || (*(var_1_9_Pointer))))) : 1)) && (((*(var_1_5_Pointer)) > (*(var_1_3_Pointer))) ? ((*(var_1_10_Pointer)) == ((double) 4.6)) : ((*(var_1_10_Pointer)) == ((double) (((((*(var_1_11_Pointer))) > ((((((*(var_1_12_Pointer))) > ((*(var_1_13_Pointer)))) ? ((*(var_1_12_Pointer))) : ((*(var_1_13_Pointer))))))) ? ((*(var_1_11_Pointer))) : ((((((*(var_1_12_Pointer))) > ((*(var_1_13_Pointer)))) ? ((*(var_1_12_Pointer))) : ((*(var_1_13_Pointer)))))))))))) && (((*(var_1_13_Pointer)) == (- (*(var_1_12_Pointer)))) ? (((*(var_1_7_Pointer)) && (*(var_1_7_Pointer))) ? ((*(var_1_14_Pointer)) == ((unsigned char) (*(var_1_16_Pointer)))) : ((*(var_1_14_Pointer)) == ((unsigned char) (*(var_1_16_Pointer))))) : ((*(var_1_14_Pointer)) == ((unsigned char) 0))) ; [L117] RET, EXPR property() [L117] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L19] reach_error() VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 123 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.4s, OverallIterations: 7, TraceHistogramMax: 11, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 590 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 590 mSDsluCounter, 2892 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1846 mSDsCounter, 38 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 198 IncrementalHoareTripleChecker+Invalid, 236 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 38 mSolverCounterUnsat, 1046 mSDtfsCounter, 198 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 138 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=380occurred in iteration=6, InterpolantAutomatonStates: 23, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 254 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 880 NumberOfCodeBlocks, 880 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 759 ConstructedInterpolants, 0 QuantifiedInterpolants, 1528 SizeOfPredicates, 0 NumberOfNonLiveVariables, 489 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 7 InterpolantComputations, 6 PerfectInterpolantSequences, 1520/1540 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-02 11:58:49,269 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/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_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/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_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-36.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/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_b93e9027-b8c0-497f-8d67-3328f68e0618/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 78f51271513a16e7eca7d465f5387c94d8fad5b43cbf0af1b75f69199640eaee --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 11:58:51,198 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 11:58:51,284 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-12-02 11:58:51,290 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 11:58:51,290 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 11:58:51,311 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 11:58:51,312 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 11:58:51,312 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 11:58:51,313 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 11:58:51,313 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 11:58:51,313 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 11:58:51,313 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 11:58:51,313 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 11:58:51,313 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 11:58:51,313 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 11:58:51,314 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 11:58:51,314 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 11:58:51,314 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 11:58:51,314 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 11:58:51,314 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 11:58:51,314 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 11:58:51,314 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 11:58:51,314 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 11:58:51,314 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-02 11:58:51,314 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-02 11:58:51,314 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-02 11:58:51,314 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 11:58:51,314 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 11:58:51,314 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 11:58:51,314 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 11:58:51,315 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 11:58:51,315 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 11:58:51,315 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 11:58:51,315 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 11:58:51,315 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 11:58:51,315 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 11:58:51,315 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 11:58:51,315 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 11:58:51,316 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 11:58:51,316 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 11:58:51,316 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 11:58:51,316 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 11:58:51,316 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 11:58:51,316 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 11:58:51,316 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-12-02 11:58:51,316 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-02 11:58:51,316 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 11:58:51,316 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 11:58:51,317 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 11:58:51,317 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 11:58:51,317 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_b93e9027-b8c0-497f-8d67-3328f68e0618/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 -> 78f51271513a16e7eca7d465f5387c94d8fad5b43cbf0af1b75f69199640eaee [2024-12-02 11:58:51,528 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 11:58:51,536 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 11:58:51,539 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 11:58:51,540 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 11:58:51,541 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 11:58:51,542 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-36.i [2024-12-02 11:58:54,229 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/data/7c433e5be/61a76b9502394cb1b8ba4b637faf9dec/FLAGf582ef118 [2024-12-02 11:58:54,407 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 11:58:54,408 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-36.i [2024-12-02 11:58:54,416 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/data/7c433e5be/61a76b9502394cb1b8ba4b637faf9dec/FLAGf582ef118 [2024-12-02 11:58:54,778 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/data/7c433e5be/61a76b9502394cb1b8ba4b637faf9dec [2024-12-02 11:58:54,780 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 11:58:54,781 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 11:58:54,782 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 11:58:54,782 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 11:58:54,785 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 11:58:54,785 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:58:54" (1/1) ... [2024-12-02 11:58:54,786 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54e3e46a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:58:54, skipping insertion in model container [2024-12-02 11:58:54,786 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:58:54" (1/1) ... [2024-12-02 11:58:54,800 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 11:58:54,902 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_b93e9027-b8c0-497f-8d67-3328f68e0618/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-36.i[916,929] [2024-12-02 11:58:54,949 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 11:58:54,963 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 11:58:54,971 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_b93e9027-b8c0-497f-8d67-3328f68e0618/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-36.i[916,929] [2024-12-02 11:58:55,000 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 11:58:55,018 INFO L204 MainTranslator]: Completed translation [2024-12-02 11:58:55,018 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:58:55 WrapperNode [2024-12-02 11:58:55,019 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 11:58:55,019 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 11:58:55,019 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 11:58:55,019 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 11:58:55,025 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:58:55" (1/1) ... [2024-12-02 11:58:55,037 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:58:55" (1/1) ... [2024-12-02 11:58:55,065 INFO L138 Inliner]: procedures = 36, calls = 167, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 569 [2024-12-02 11:58:55,066 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 11:58:55,066 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 11:58:55,066 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 11:58:55,066 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 11:58:55,075 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:58:55" (1/1) ... [2024-12-02 11:58:55,075 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:58:55" (1/1) ... [2024-12-02 11:58:55,082 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:58:55" (1/1) ... [2024-12-02 11:58:55,106 INFO L175 MemorySlicer]: Split 133 memory accesses to 13 slices as follows [2, 9, 8, 6, 8, 11, 6, 19, 10, 16, 16, 14, 8]. 14 percent of accesses are in the largest equivalence class. The 14 initializations are split as follows [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]. The 18 writes are split as follows [0, 4, 1, 1, 1, 1, 1, 2, 1, 1, 1, 3, 1]. [2024-12-02 11:58:55,106 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:58:55" (1/1) ... [2024-12-02 11:58:55,106 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:58:55" (1/1) ... [2024-12-02 11:58:55,131 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:58:55" (1/1) ... [2024-12-02 11:58:55,134 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:58:55" (1/1) ... [2024-12-02 11:58:55,138 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:58:55" (1/1) ... [2024-12-02 11:58:55,145 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:58:55" (1/1) ... [2024-12-02 11:58:55,149 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:58:55" (1/1) ... [2024-12-02 11:58:55,157 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 11:58:55,158 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 11:58:55,158 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 11:58:55,158 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 11:58:55,159 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:58:55" (1/1) ... [2024-12-02 11:58:55,166 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 11:58:55,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:58:55,188 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 11:58:55,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 11:58:55,209 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 11:58:55,209 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2024-12-02 11:58:55,209 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2024-12-02 11:58:55,209 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#2 [2024-12-02 11:58:55,209 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#3 [2024-12-02 11:58:55,209 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#4 [2024-12-02 11:58:55,209 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#5 [2024-12-02 11:58:55,209 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#6 [2024-12-02 11:58:55,209 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#7 [2024-12-02 11:58:55,210 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#8 [2024-12-02 11:58:55,210 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#9 [2024-12-02 11:58:55,210 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#10 [2024-12-02 11:58:55,210 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#11 [2024-12-02 11:58:55,210 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#12 [2024-12-02 11:58:55,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2024-12-02 11:58:55,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2024-12-02 11:58:55,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#2 [2024-12-02 11:58:55,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#3 [2024-12-02 11:58:55,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#4 [2024-12-02 11:58:55,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#5 [2024-12-02 11:58:55,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#6 [2024-12-02 11:58:55,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#7 [2024-12-02 11:58:55,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#8 [2024-12-02 11:58:55,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#9 [2024-12-02 11:58:55,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#10 [2024-12-02 11:58:55,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#11 [2024-12-02 11:58:55,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#12 [2024-12-02 11:58:55,211 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-12-02 11:58:55,211 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-12-02 11:58:55,211 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-12-02 11:58:55,211 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-12-02 11:58:55,211 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-12-02 11:58:55,211 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2024-12-02 11:58:55,212 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#6 [2024-12-02 11:58:55,212 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#7 [2024-12-02 11:58:55,212 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#8 [2024-12-02 11:58:55,212 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#9 [2024-12-02 11:58:55,212 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#10 [2024-12-02 11:58:55,212 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#11 [2024-12-02 11:58:55,212 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#12 [2024-12-02 11:58:55,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-12-02 11:58:55,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-12-02 11:58:55,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-12-02 11:58:55,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-12-02 11:58:55,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-12-02 11:58:55,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-12-02 11:58:55,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-12-02 11:58:55,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-12-02 11:58:55,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2024-12-02 11:58:55,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2024-12-02 11:58:55,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2024-12-02 11:58:55,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#11 [2024-12-02 11:58:55,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#12 [2024-12-02 11:58:55,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-12-02 11:58:55,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-12-02 11:58:55,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-12-02 11:58:55,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-12-02 11:58:55,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2024-12-02 11:58:55,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#5 [2024-12-02 11:58:55,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#6 [2024-12-02 11:58:55,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#7 [2024-12-02 11:58:55,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#8 [2024-12-02 11:58:55,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#9 [2024-12-02 11:58:55,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#10 [2024-12-02 11:58:55,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#11 [2024-12-02 11:58:55,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#12 [2024-12-02 11:58:55,214 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2024-12-02 11:58:55,214 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2024-12-02 11:58:55,214 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2024-12-02 11:58:55,214 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2024-12-02 11:58:55,214 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2024-12-02 11:58:55,214 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5 [2024-12-02 11:58:55,214 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#6 [2024-12-02 11:58:55,215 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#7 [2024-12-02 11:58:55,215 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#8 [2024-12-02 11:58:55,215 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#9 [2024-12-02 11:58:55,215 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#10 [2024-12-02 11:58:55,215 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#11 [2024-12-02 11:58:55,215 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#12 [2024-12-02 11:58:55,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#0 [2024-12-02 11:58:55,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#1 [2024-12-02 11:58:55,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#2 [2024-12-02 11:58:55,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#3 [2024-12-02 11:58:55,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#4 [2024-12-02 11:58:55,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#5 [2024-12-02 11:58:55,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#6 [2024-12-02 11:58:55,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#7 [2024-12-02 11:58:55,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#8 [2024-12-02 11:58:55,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#9 [2024-12-02 11:58:55,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#10 [2024-12-02 11:58:55,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#11 [2024-12-02 11:58:55,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#12 [2024-12-02 11:58:55,216 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-12-02 11:58:55,216 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-12-02 11:58:55,216 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-12-02 11:58:55,216 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-12-02 11:58:55,216 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-12-02 11:58:55,216 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-12-02 11:58:55,216 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-12-02 11:58:55,216 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2024-12-02 11:58:55,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2024-12-02 11:58:55,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2024-12-02 11:58:55,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#10 [2024-12-02 11:58:55,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#11 [2024-12-02 11:58:55,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#12 [2024-12-02 11:58:55,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2024-12-02 11:58:55,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2024-12-02 11:58:55,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2024-12-02 11:58:55,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2024-12-02 11:58:55,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4 [2024-12-02 11:58:55,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5 [2024-12-02 11:58:55,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#6 [2024-12-02 11:58:55,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#7 [2024-12-02 11:58:55,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#8 [2024-12-02 11:58:55,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#9 [2024-12-02 11:58:55,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#10 [2024-12-02 11:58:55,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#11 [2024-12-02 11:58:55,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#12 [2024-12-02 11:58:55,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0 [2024-12-02 11:58:55,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1 [2024-12-02 11:58:55,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#2 [2024-12-02 11:58:55,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#3 [2024-12-02 11:58:55,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#4 [2024-12-02 11:58:55,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#5 [2024-12-02 11:58:55,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#6 [2024-12-02 11:58:55,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#7 [2024-12-02 11:58:55,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#8 [2024-12-02 11:58:55,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#9 [2024-12-02 11:58:55,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#10 [2024-12-02 11:58:55,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#11 [2024-12-02 11:58:55,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#12 [2024-12-02 11:58:55,219 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 11:58:55,219 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 11:58:55,219 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 11:58:55,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 11:58:55,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-12-02 11:58:55,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-12-02 11:58:55,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-12-02 11:58:55,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-12-02 11:58:55,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-12-02 11:58:55,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2024-12-02 11:58:55,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#6 [2024-12-02 11:58:55,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#7 [2024-12-02 11:58:55,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#8 [2024-12-02 11:58:55,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#9 [2024-12-02 11:58:55,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#10 [2024-12-02 11:58:55,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#11 [2024-12-02 11:58:55,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#12 [2024-12-02 11:58:55,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-12-02 11:58:55,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-12-02 11:58:55,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-12-02 11:58:55,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-12-02 11:58:55,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-12-02 11:58:55,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-12-02 11:58:55,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-12-02 11:58:55,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2024-12-02 11:58:55,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2024-12-02 11:58:55,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#9 [2024-12-02 11:58:55,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#10 [2024-12-02 11:58:55,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#11 [2024-12-02 11:58:55,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#12 [2024-12-02 11:58:55,442 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 11:58:55,444 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 11:58:56,217 INFO L? ?]: Removed 149 outVars from TransFormulas that were not future-live. [2024-12-02 11:58:56,218 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 11:58:56,228 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 11:58:56,229 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 11:58:56,229 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:58:56 BoogieIcfgContainer [2024-12-02 11:58:56,229 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 11:58:56,231 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 11:58:56,231 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 11:58:56,236 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 11:58:56,236 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 11:58:54" (1/3) ... [2024-12-02 11:58:56,237 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4961a25d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 11:58:56, skipping insertion in model container [2024-12-02 11:58:56,237 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:58:55" (2/3) ... [2024-12-02 11:58:56,237 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4961a25d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 11:58:56, skipping insertion in model container [2024-12-02 11:58:56,237 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:58:56" (3/3) ... [2024-12-02 11:58:56,238 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-p_file-36.i [2024-12-02 11:58:56,251 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 11:58:56,252 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-p_file-36.i that has 2 procedures, 119 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 11:58:56,297 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 11:58:56,306 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;@481e1ab5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 11:58:56,306 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 11:58:56,309 INFO L276 IsEmpty]: Start isEmpty. Operand has 119 states, 105 states have (on average 1.4857142857142858) internal successors, (156), 106 states have internal predecessors, (156), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-12-02 11:58:56,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-12-02 11:58:56,317 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:58:56,318 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:58:56,318 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:58:56,323 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:58:56,323 INFO L85 PathProgramCache]: Analyzing trace with hash 91120692, now seen corresponding path program 1 times [2024-12-02 11:58:56,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 11:58:56,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1629522791] [2024-12-02 11:58:56,333 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:58:56,333 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 11:58:56,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 11:58:56,335 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 11:58:56,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-12-02 11:58:56,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:58:56,759 INFO L256 TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 11:58:56,765 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:58:56,794 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-12-02 11:58:56,794 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 11:58:56,794 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 11:58:56,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1629522791] [2024-12-02 11:58:56,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1629522791] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:58:56,795 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:58:56,795 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 11:58:56,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51404443] [2024-12-02 11:58:56,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:58:56,801 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 11:58:56,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 11:58:56,816 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 11:58:56,817 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 11:58:56,819 INFO L87 Difference]: Start difference. First operand has 119 states, 105 states have (on average 1.4857142857142858) internal successors, (156), 106 states have internal predecessors, (156), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 30.0) internal successors, (60), 2 states have internal predecessors, (60), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-12-02 11:58:56,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:58:56,842 INFO L93 Difference]: Finished difference Result 227 states and 355 transitions. [2024-12-02 11:58:56,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 11:58:56,844 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 30.0) internal successors, (60), 2 states have internal predecessors, (60), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 108 [2024-12-02 11:58:56,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:58:56,850 INFO L225 Difference]: With dead ends: 227 [2024-12-02 11:58:56,850 INFO L226 Difference]: Without dead ends: 111 [2024-12-02 11:58:56,852 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 11:58:56,855 INFO L435 NwaCegarLoop]: 163 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, 163 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 11:58:56,855 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 163 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 11:58:56,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2024-12-02 11:58:56,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2024-12-02 11:58:56,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 98 states have (on average 1.4387755102040816) internal successors, (141), 98 states have internal predecessors, (141), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-12-02 11:58:56,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 163 transitions. [2024-12-02 11:58:56,887 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 163 transitions. Word has length 108 [2024-12-02 11:58:56,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:58:56,888 INFO L471 AbstractCegarLoop]: Abstraction has 111 states and 163 transitions. [2024-12-02 11:58:56,888 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 30.0) internal successors, (60), 2 states have internal predecessors, (60), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-12-02 11:58:56,888 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 163 transitions. [2024-12-02 11:58:56,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-12-02 11:58:56,891 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:58:56,891 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:58:56,899 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-12-02 11:58:57,092 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 11:58:57,092 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:58:57,093 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:58:57,093 INFO L85 PathProgramCache]: Analyzing trace with hash 1156138350, now seen corresponding path program 1 times [2024-12-02 11:58:57,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 11:58:57,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [19375707] [2024-12-02 11:58:57,094 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:58:57,094 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 11:58:57,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 11:58:57,095 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 11:58:57,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-12-02 11:58:57,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:58:57,561 INFO L256 TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 11:58:57,565 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:58:57,607 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-12-02 11:58:57,607 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 11:58:57,607 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 11:58:57,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [19375707] [2024-12-02 11:58:57,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [19375707] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:58:57,608 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:58:57,608 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 11:58:57,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163807730] [2024-12-02 11:58:57,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:58:57,609 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 11:58:57,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 11:58:57,610 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 11:58:57,610 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 11:58:57,611 INFO L87 Difference]: Start difference. First operand 111 states and 163 transitions. Second operand has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-12-02 11:58:57,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:58:57,693 INFO L93 Difference]: Finished difference Result 221 states and 326 transitions. [2024-12-02 11:58:57,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 11:58:57,694 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 108 [2024-12-02 11:58:57,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:58:57,695 INFO L225 Difference]: With dead ends: 221 [2024-12-02 11:58:57,695 INFO L226 Difference]: Without dead ends: 113 [2024-12-02 11:58:57,696 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 11:58:57,697 INFO L435 NwaCegarLoop]: 161 mSDtfsCounter, 0 mSDsluCounter, 311 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 472 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 11:58:57,697 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 472 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 11:58:57,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2024-12-02 11:58:57,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2024-12-02 11:58:57,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 100 states have (on average 1.43) internal successors, (143), 100 states have internal predecessors, (143), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-12-02 11:58:57,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 165 transitions. [2024-12-02 11:58:57,707 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 165 transitions. Word has length 108 [2024-12-02 11:58:57,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:58:57,708 INFO L471 AbstractCegarLoop]: Abstraction has 113 states and 165 transitions. [2024-12-02 11:58:57,709 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-12-02 11:58:57,709 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 165 transitions. [2024-12-02 11:58:57,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-12-02 11:58:57,711 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:58:57,711 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:58:57,719 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-12-02 11:58:57,911 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 11:58:57,912 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:58:57,912 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:58:57,912 INFO L85 PathProgramCache]: Analyzing trace with hash -805436308, now seen corresponding path program 1 times [2024-12-02 11:58:57,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 11:58:57,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [829563424] [2024-12-02 11:58:57,913 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:58:57,913 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 11:58:57,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 11:58:57,915 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 11:58:57,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-12-02 11:58:58,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:58:58,350 INFO L256 TraceCheckSpWp]: Trace formula consists of 310 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 11:58:58,355 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:58:58,426 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 11:58:58,427 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 184 treesize of output 64 [2024-12-02 11:58:58,446 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-12-02 11:58:58,446 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 11:58:58,446 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 11:58:58,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [829563424] [2024-12-02 11:58:58,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [829563424] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:58:58,447 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:58:58,447 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 11:58:58,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711674770] [2024-12-02 11:58:58,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:58:58,447 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:58:58,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 11:58:58,448 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:58:58,448 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:58:58,448 INFO L87 Difference]: Start difference. First operand 113 states and 165 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 11:58:58,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:58:58,471 INFO L93 Difference]: Finished difference Result 219 states and 320 transitions. [2024-12-02 11:58:58,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:58:58,472 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 108 [2024-12-02 11:58:58,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:58:58,473 INFO L225 Difference]: With dead ends: 219 [2024-12-02 11:58:58,473 INFO L226 Difference]: Without dead ends: 109 [2024-12-02 11:58:58,474 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:58:58,474 INFO L435 NwaCegarLoop]: 152 mSDtfsCounter, 1 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 301 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 11:58:58,475 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 301 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 11:58:58,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2024-12-02 11:58:58,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2024-12-02 11:58:58,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 96 states have (on average 1.3958333333333333) internal successors, (134), 96 states have internal predecessors, (134), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-12-02 11:58:58,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 156 transitions. [2024-12-02 11:58:58,484 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 156 transitions. Word has length 108 [2024-12-02 11:58:58,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:58:58,484 INFO L471 AbstractCegarLoop]: Abstraction has 109 states and 156 transitions. [2024-12-02 11:58:58,484 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 11:58:58,484 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 156 transitions. [2024-12-02 11:58:58,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-12-02 11:58:58,486 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:58:58,487 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:58:58,494 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-12-02 11:58:58,687 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 11:58:58,687 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:58:58,688 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:58:58,688 INFO L85 PathProgramCache]: Analyzing trace with hash -2085299986, now seen corresponding path program 1 times [2024-12-02 11:58:58,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 11:58:58,689 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1248357330] [2024-12-02 11:58:58,689 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:58:58,689 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 11:58:58,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 11:58:58,691 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 11:58:58,692 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-12-02 11:58:59,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:58:59,046 INFO L256 TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-02 11:58:59,051 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:58:59,358 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 11:58:59,368 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-12-02 11:58:59,368 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 11:58:59,368 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 11:58:59,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1248357330] [2024-12-02 11:58:59,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1248357330] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:58:59,368 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:58:59,369 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 11:58:59,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1691239400] [2024-12-02 11:58:59,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:58:59,369 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 11:58:59,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 11:58:59,370 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 11:58:59,370 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 11:58:59,370 INFO L87 Difference]: Start difference. First operand 109 states and 156 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 11:58:59,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:58:59,431 INFO L93 Difference]: Finished difference Result 216 states and 311 transitions. [2024-12-02 11:58:59,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 11:58:59,432 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 108 [2024-12-02 11:58:59,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:58:59,433 INFO L225 Difference]: With dead ends: 216 [2024-12-02 11:58:59,433 INFO L226 Difference]: Without dead ends: 110 [2024-12-02 11:58:59,434 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-02 11:58:59,434 INFO L435 NwaCegarLoop]: 147 mSDtfsCounter, 89 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 289 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 11:58:59,434 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 289 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 11:58:59,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2024-12-02 11:58:59,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2024-12-02 11:58:59,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 97 states have (on average 1.3917525773195876) internal successors, (135), 97 states have internal predecessors, (135), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-12-02 11:58:59,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 157 transitions. [2024-12-02 11:58:59,443 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 157 transitions. Word has length 108 [2024-12-02 11:58:59,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:58:59,443 INFO L471 AbstractCegarLoop]: Abstraction has 110 states and 157 transitions. [2024-12-02 11:58:59,444 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 11:58:59,444 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 157 transitions. [2024-12-02 11:58:59,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-12-02 11:58:59,445 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:58:59,445 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:58:59,454 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2024-12-02 11:58:59,646 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 11:58:59,646 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:58:59,646 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:58:59,646 INFO L85 PathProgramCache]: Analyzing trace with hash -1827134548, now seen corresponding path program 1 times [2024-12-02 11:58:59,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 11:58:59,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [516056696] [2024-12-02 11:58:59,647 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:58:59,647 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 11:58:59,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 11:58:59,649 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 11:58:59,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-12-02 11:58:59,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:59:00,006 INFO L256 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-02 11:59:00,010 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:59:00,021 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 11:59:00,044 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 11:59:00,100 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-12-02 11:59:00,100 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 11:59:00,100 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 11:59:00,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [516056696] [2024-12-02 11:59:00,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [516056696] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:59:00,100 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:59:00,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 11:59:00,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728381067] [2024-12-02 11:59:00,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:59:00,101 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 11:59:00,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 11:59:00,101 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 11:59:00,101 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-12-02 11:59:00,101 INFO L87 Difference]: Start difference. First operand 110 states and 157 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, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 11:59:00,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:59:00,305 INFO L93 Difference]: Finished difference Result 336 states and 482 transitions. [2024-12-02 11:59:00,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 11:59:00,306 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, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 108 [2024-12-02 11:59:00,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:59:00,308 INFO L225 Difference]: With dead ends: 336 [2024-12-02 11:59:00,308 INFO L226 Difference]: Without dead ends: 229 [2024-12-02 11:59:00,308 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-12-02 11:59:00,309 INFO L435 NwaCegarLoop]: 241 mSDtfsCounter, 268 mSDsluCounter, 626 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 268 SdHoareTripleChecker+Valid, 867 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 11:59:00,309 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [268 Valid, 867 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 11:59:00,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2024-12-02 11:59:00,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 125. [2024-12-02 11:59:00,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 112 states have (on average 1.3928571428571428) internal successors, (156), 112 states have internal predecessors, (156), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-12-02 11:59:00,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 178 transitions. [2024-12-02 11:59:00,323 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 178 transitions. Word has length 108 [2024-12-02 11:59:00,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:59:00,324 INFO L471 AbstractCegarLoop]: Abstraction has 125 states and 178 transitions. [2024-12-02 11:59:00,324 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, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 11:59:00,324 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 178 transitions. [2024-12-02 11:59:00,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-12-02 11:59:00,325 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:59:00,326 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:59:00,333 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2024-12-02 11:59:00,526 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 11:59:00,526 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:59:00,527 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:59:00,527 INFO L85 PathProgramCache]: Analyzing trace with hash -1115889186, now seen corresponding path program 1 times [2024-12-02 11:59:00,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 11:59:00,527 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [137452513] [2024-12-02 11:59:00,527 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:59:00,527 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 11:59:00,527 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 11:59:00,529 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 11:59:00,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2024-12-02 11:59:00,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:59:00,879 INFO L256 TraceCheckSpWp]: Trace formula consists of 309 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 11:59:00,882 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:59:00,902 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-12-02 11:59:00,902 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 11:59:00,902 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 11:59:00,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [137452513] [2024-12-02 11:59:00,902 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [137452513] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:59:00,902 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:59:00,902 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 11:59:00,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698360610] [2024-12-02 11:59:00,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:59:00,903 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 11:59:00,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 11:59:00,903 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 11:59:00,903 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 11:59:00,904 INFO L87 Difference]: Start difference. First operand 125 states and 178 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 11:59:00,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:59:00,938 INFO L93 Difference]: Finished difference Result 249 states and 356 transitions. [2024-12-02 11:59:00,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 11:59:00,939 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 110 [2024-12-02 11:59:00,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:59:00,940 INFO L225 Difference]: With dead ends: 249 [2024-12-02 11:59:00,940 INFO L226 Difference]: Without dead ends: 127 [2024-12-02 11:59:00,941 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 11:59:00,941 INFO L435 NwaCegarLoop]: 151 mSDtfsCounter, 0 mSDsluCounter, 437 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 588 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 11:59:00,941 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 588 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 11:59:00,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2024-12-02 11:59:00,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2024-12-02 11:59:00,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 114 states have (on average 1.3859649122807018) internal successors, (158), 114 states have internal predecessors, (158), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-12-02 11:59:00,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 180 transitions. [2024-12-02 11:59:00,951 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 180 transitions. Word has length 110 [2024-12-02 11:59:00,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:59:00,952 INFO L471 AbstractCegarLoop]: Abstraction has 127 states and 180 transitions. [2024-12-02 11:59:00,952 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 11:59:00,952 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 180 transitions. [2024-12-02 11:59:00,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-12-02 11:59:00,953 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:59:00,953 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:59:00,961 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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)] Forceful destruction successful, exit code 0 [2024-12-02 11:59:01,154 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 11:59:01,154 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:59:01,154 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:59:01,154 INFO L85 PathProgramCache]: Analyzing trace with hash -1936376764, now seen corresponding path program 1 times [2024-12-02 11:59:01,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 11:59:01,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1277915918] [2024-12-02 11:59:01,155 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:59:01,155 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 11:59:01,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 11:59:01,156 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 11:59:01,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2024-12-02 11:59:01,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:59:01,466 INFO L256 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-02 11:59:01,469 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:59:01,475 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 11:59:01,503 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-12-02 11:59:01,503 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 11:59:01,503 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 11:59:01,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1277915918] [2024-12-02 11:59:01,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1277915918] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:59:01,503 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:59:01,504 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 11:59:01,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2057833644] [2024-12-02 11:59:01,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:59:01,504 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 11:59:01,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 11:59:01,504 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 11:59:01,504 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 11:59:01,505 INFO L87 Difference]: Start difference. First operand 127 states and 180 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 11:59:02,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:59:02,056 INFO L93 Difference]: Finished difference Result 253 states and 360 transitions. [2024-12-02 11:59:02,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 11:59:02,057 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 110 [2024-12-02 11:59:02,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:59:02,058 INFO L225 Difference]: With dead ends: 253 [2024-12-02 11:59:02,058 INFO L226 Difference]: Without dead ends: 129 [2024-12-02 11:59:02,058 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 106 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 11:59:02,059 INFO L435 NwaCegarLoop]: 141 mSDtfsCounter, 136 mSDsluCounter, 285 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 426 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-02 11:59:02,059 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 426 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-02 11:59:02,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2024-12-02 11:59:02,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 114. [2024-12-02 11:59:02,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 101 states have (on average 1.3762376237623761) internal successors, (139), 101 states have internal predecessors, (139), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-12-02 11:59:02,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 161 transitions. [2024-12-02 11:59:02,066 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 161 transitions. Word has length 110 [2024-12-02 11:59:02,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:59:02,067 INFO L471 AbstractCegarLoop]: Abstraction has 114 states and 161 transitions. [2024-12-02 11:59:02,067 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 11:59:02,067 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 161 transitions. [2024-12-02 11:59:02,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-12-02 11:59:02,067 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:59:02,068 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:59:02,076 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Ended with exit code 0 [2024-12-02 11:59:02,268 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 11:59:02,268 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:59:02,268 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:59:02,268 INFO L85 PathProgramCache]: Analyzing trace with hash 1613948509, now seen corresponding path program 1 times [2024-12-02 11:59:02,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 11:59:02,269 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [487294345] [2024-12-02 11:59:02,269 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:59:02,269 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 11:59:02,269 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 11:59:02,270 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 11:59:02,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2024-12-02 11:59:02,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:59:02,597 INFO L256 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-02 11:59:02,600 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:59:02,608 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 11:59:02,628 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 11:59:02,705 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-12-02 11:59:02,705 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 11:59:02,705 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 11:59:02,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [487294345] [2024-12-02 11:59:02,705 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [487294345] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:59:02,705 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:59:02,705 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 11:59:02,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [256045330] [2024-12-02 11:59:02,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:59:02,706 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 11:59:02,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 11:59:02,706 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 11:59:02,706 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-12-02 11:59:02,707 INFO L87 Difference]: Start difference. First operand 114 states and 161 transitions. Second operand has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 11:59:02,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:59:02,894 INFO L93 Difference]: Finished difference Result 349 states and 495 transitions. [2024-12-02 11:59:02,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 11:59:02,895 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 112 [2024-12-02 11:59:02,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:59:02,896 INFO L225 Difference]: With dead ends: 349 [2024-12-02 11:59:02,897 INFO L226 Difference]: Without dead ends: 238 [2024-12-02 11:59:02,897 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-12-02 11:59:02,897 INFO L435 NwaCegarLoop]: 239 mSDtfsCounter, 154 mSDsluCounter, 987 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 1226 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 11:59:02,898 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 1226 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 11:59:02,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2024-12-02 11:59:02,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 132. [2024-12-02 11:59:02,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 119 states have (on average 1.3865546218487395) internal successors, (165), 119 states have internal predecessors, (165), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-12-02 11:59:02,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 187 transitions. [2024-12-02 11:59:02,908 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 187 transitions. Word has length 112 [2024-12-02 11:59:02,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:59:02,908 INFO L471 AbstractCegarLoop]: Abstraction has 132 states and 187 transitions. [2024-12-02 11:59:02,908 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 11:59:02,908 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 187 transitions. [2024-12-02 11:59:02,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-12-02 11:59:02,909 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:59:02,909 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:59:02,919 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Ended with exit code 0 [2024-12-02 11:59:03,110 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 11:59:03,110 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:59:03,110 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:59:03,110 INFO L85 PathProgramCache]: Analyzing trace with hash -49787367, now seen corresponding path program 1 times [2024-12-02 11:59:03,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 11:59:03,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2087242941] [2024-12-02 11:59:03,111 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:59:03,111 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 11:59:03,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 11:59:03,112 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 11:59:03,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2024-12-02 11:59:03,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:59:03,510 INFO L256 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-02 11:59:03,513 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:59:03,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 11:59:03,646 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2024-12-02 11:59:03,903 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 11:59:03,903 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 123 treesize of output 53 [2024-12-02 11:59:03,936 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-12-02 11:59:03,936 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 11:59:03,936 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 11:59:03,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2087242941] [2024-12-02 11:59:03,936 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2087242941] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:59:03,936 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:59:03,936 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 11:59:03,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943753424] [2024-12-02 11:59:03,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:59:03,937 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 11:59:03,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 11:59:03,937 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 11:59:03,938 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-12-02 11:59:03,938 INFO L87 Difference]: Start difference. First operand 132 states and 187 transitions. Second operand has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 6 states have internal predecessors, (60), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 11:59:04,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:59:04,655 INFO L93 Difference]: Finished difference Result 393 states and 559 transitions. [2024-12-02 11:59:04,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 11:59:04,656 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 6 states have internal predecessors, (60), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 112 [2024-12-02 11:59:04,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:59:04,657 INFO L225 Difference]: With dead ends: 393 [2024-12-02 11:59:04,657 INFO L226 Difference]: Without dead ends: 264 [2024-12-02 11:59:04,657 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-12-02 11:59:04,657 INFO L435 NwaCegarLoop]: 198 mSDtfsCounter, 232 mSDsluCounter, 683 mSDsCounter, 0 mSdLazyCounter, 281 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 232 SdHoareTripleChecker+Valid, 881 SdHoareTripleChecker+Invalid, 281 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 281 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-12-02 11:59:04,658 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [232 Valid, 881 Invalid, 281 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 281 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-12-02 11:59:04,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2024-12-02 11:59:04,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 170. [2024-12-02 11:59:04,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 157 states have (on average 1.3694267515923566) internal successors, (215), 157 states have internal predecessors, (215), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-12-02 11:59:04,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 237 transitions. [2024-12-02 11:59:04,666 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 237 transitions. Word has length 112 [2024-12-02 11:59:04,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:59:04,667 INFO L471 AbstractCegarLoop]: Abstraction has 170 states and 237 transitions. [2024-12-02 11:59:04,667 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 6 states have internal predecessors, (60), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 11:59:04,667 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 237 transitions. [2024-12-02 11:59:04,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-12-02 11:59:04,668 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:59:04,668 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:59:04,673 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Ended with exit code 0 [2024-12-02 11:59:04,868 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 11:59:04,868 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:59:04,868 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:59:04,868 INFO L85 PathProgramCache]: Analyzing trace with hash -763715422, now seen corresponding path program 1 times [2024-12-02 11:59:04,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 11:59:04,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1642250122] [2024-12-02 11:59:04,869 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:59:04,869 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 11:59:04,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 11:59:04,870 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 11:59:04,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2024-12-02 11:59:05,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:59:05,316 INFO L256 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-02 11:59:05,318 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:59:05,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 11:59:05,432 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2024-12-02 11:59:05,494 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 11:59:05,494 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 200 treesize of output 70 [2024-12-02 11:59:05,507 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-12-02 11:59:05,507 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 11:59:05,507 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 11:59:05,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1642250122] [2024-12-02 11:59:05,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1642250122] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:59:05,507 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:59:05,507 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 11:59:05,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530915893] [2024-12-02 11:59:05,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:59:05,508 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 11:59:05,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 11:59:05,508 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 11:59:05,508 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 11:59:05,509 INFO L87 Difference]: Start difference. First operand 170 states and 237 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 11:59:06,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:59:06,005 INFO L93 Difference]: Finished difference Result 399 states and 562 transitions. [2024-12-02 11:59:06,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 11:59:06,006 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 114 [2024-12-02 11:59:06,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:59:06,007 INFO L225 Difference]: With dead ends: 399 [2024-12-02 11:59:06,007 INFO L226 Difference]: Without dead ends: 232 [2024-12-02 11:59:06,008 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-12-02 11:59:06,008 INFO L435 NwaCegarLoop]: 190 mSDtfsCounter, 233 mSDsluCounter, 300 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 233 SdHoareTripleChecker+Valid, 490 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 11:59:06,008 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [233 Valid, 490 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 11:59:06,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2024-12-02 11:59:06,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 119. [2024-12-02 11:59:06,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 106 states have (on average 1.3018867924528301) internal successors, (138), 106 states have internal predecessors, (138), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-12-02 11:59:06,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 160 transitions. [2024-12-02 11:59:06,017 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 160 transitions. Word has length 114 [2024-12-02 11:59:06,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:59:06,017 INFO L471 AbstractCegarLoop]: Abstraction has 119 states and 160 transitions. [2024-12-02 11:59:06,017 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 11:59:06,017 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 160 transitions. [2024-12-02 11:59:06,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-12-02 11:59:06,018 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:59:06,018 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:59:06,025 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Ended with exit code 0 [2024-12-02 11:59:06,219 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 11:59:06,219 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:59:06,219 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:59:06,219 INFO L85 PathProgramCache]: Analyzing trace with hash 1171277797, now seen corresponding path program 1 times [2024-12-02 11:59:06,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 11:59:06,219 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [49895802] [2024-12-02 11:59:06,219 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:59:06,220 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 11:59:06,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 11:59:06,221 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 11:59:06,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2024-12-02 11:59:06,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:59:06,541 INFO L256 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-02 11:59:06,545 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:59:06,551 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 11:59:06,591 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 11:59:06,623 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-12-02 11:59:06,623 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 11:59:06,623 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 11:59:06,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [49895802] [2024-12-02 11:59:06,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [49895802] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:59:06,623 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:59:06,623 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 11:59:06,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922713743] [2024-12-02 11:59:06,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:59:06,624 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 11:59:06,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 11:59:06,624 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 11:59:06,624 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-12-02 11:59:06,624 INFO L87 Difference]: Start difference. First operand 119 states and 160 transitions. Second operand has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 states have internal predecessors, (62), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 11:59:07,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:59:07,127 INFO L93 Difference]: Finished difference Result 241 states and 323 transitions. [2024-12-02 11:59:07,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 11:59:07,127 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 states have internal predecessors, (62), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 114 [2024-12-02 11:59:07,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:59:07,129 INFO L225 Difference]: With dead ends: 241 [2024-12-02 11:59:07,129 INFO L226 Difference]: Without dead ends: 239 [2024-12-02 11:59:07,129 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 108 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 11:59:07,130 INFO L435 NwaCegarLoop]: 215 mSDtfsCounter, 121 mSDsluCounter, 982 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 1197 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-02 11:59:07,130 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 1197 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-02 11:59:07,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2024-12-02 11:59:07,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 168. [2024-12-02 11:59:07,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 155 states have (on average 1.2774193548387096) internal successors, (198), 155 states have internal predecessors, (198), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-12-02 11:59:07,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 220 transitions. [2024-12-02 11:59:07,139 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 220 transitions. Word has length 114 [2024-12-02 11:59:07,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:59:07,139 INFO L471 AbstractCegarLoop]: Abstraction has 168 states and 220 transitions. [2024-12-02 11:59:07,139 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 states have internal predecessors, (62), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 11:59:07,139 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 220 transitions. [2024-12-02 11:59:07,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-12-02 11:59:07,140 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:59:07,140 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:59:07,148 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Ended with exit code 0 [2024-12-02 11:59:07,340 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 11:59:07,340 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:59:07,341 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:59:07,341 INFO L85 PathProgramCache]: Analyzing trace with hash -1421844337, now seen corresponding path program 1 times [2024-12-02 11:59:07,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 11:59:07,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1474897005] [2024-12-02 11:59:07,341 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:59:07,341 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 11:59:07,341 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 11:59:07,343 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 11:59:07,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2024-12-02 11:59:07,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:59:07,699 INFO L256 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-02 11:59:07,702 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:59:08,635 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 37 [2024-12-02 11:59:08,638 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 97 treesize of output 49 [2024-12-02 11:59:08,714 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-12-02 11:59:08,714 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 11:59:08,714 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 11:59:08,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1474897005] [2024-12-02 11:59:08,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1474897005] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:59:08,714 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:59:08,714 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-12-02 11:59:08,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033289038] [2024-12-02 11:59:08,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:59:08,715 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 11:59:08,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 11:59:08,715 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 11:59:08,715 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-12-02 11:59:08,715 INFO L87 Difference]: Start difference. First operand 168 states and 220 transitions. Second operand has 10 states, 10 states have (on average 6.3) internal successors, (63), 9 states have internal predecessors, (63), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 11:59:09,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:59:09,960 INFO L93 Difference]: Finished difference Result 513 states and 671 transitions. [2024-12-02 11:59:09,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-02 11:59:09,961 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.3) internal successors, (63), 9 states have internal predecessors, (63), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 115 [2024-12-02 11:59:09,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:59:09,962 INFO L225 Difference]: With dead ends: 513 [2024-12-02 11:59:09,962 INFO L226 Difference]: Without dead ends: 348 [2024-12-02 11:59:09,962 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=59, Invalid=213, Unknown=0, NotChecked=0, Total=272 [2024-12-02 11:59:09,963 INFO L435 NwaCegarLoop]: 115 mSDtfsCounter, 387 mSDsluCounter, 652 mSDsCounter, 0 mSdLazyCounter, 376 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 387 SdHoareTripleChecker+Valid, 767 SdHoareTripleChecker+Invalid, 399 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 376 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-12-02 11:59:09,963 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [387 Valid, 767 Invalid, 399 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 376 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-12-02 11:59:09,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2024-12-02 11:59:09,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 254. [2024-12-02 11:59:09,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 254 states, 229 states have (on average 1.2663755458515285) internal successors, (290), 229 states have internal predecessors, (290), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-12-02 11:59:09,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 334 transitions. [2024-12-02 11:59:09,982 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 334 transitions. Word has length 115 [2024-12-02 11:59:09,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:59:09,982 INFO L471 AbstractCegarLoop]: Abstraction has 254 states and 334 transitions. [2024-12-02 11:59:09,982 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.3) internal successors, (63), 9 states have internal predecessors, (63), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 11:59:09,982 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 334 transitions. [2024-12-02 11:59:09,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-12-02 11:59:09,983 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:59:09,983 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:59:09,990 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Ended with exit code 0 [2024-12-02 11:59:10,184 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 11:59:10,184 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:59:10,184 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:59:10,184 INFO L85 PathProgramCache]: Analyzing trace with hash -425514710, now seen corresponding path program 1 times [2024-12-02 11:59:10,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 11:59:10,185 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [252631013] [2024-12-02 11:59:10,185 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:59:10,185 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 11:59:10,185 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 11:59:10,186 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 11:59:10,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2024-12-02 11:59:10,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:59:10,534 INFO L256 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-02 11:59:10,537 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:59:11,486 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 38 [2024-12-02 11:59:11,490 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 98 treesize of output 50 [2024-12-02 11:59:11,561 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-12-02 11:59:11,562 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 11:59:11,562 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 11:59:11,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [252631013] [2024-12-02 11:59:11,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [252631013] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:59:11,562 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:59:11,562 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-12-02 11:59:11,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081777596] [2024-12-02 11:59:11,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:59:11,562 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 11:59:11,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 11:59:11,563 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 11:59:11,563 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-12-02 11:59:11,563 INFO L87 Difference]: Start difference. First operand 254 states and 334 transitions. Second operand has 10 states, 10 states have (on average 6.3) internal successors, (63), 9 states have internal predecessors, (63), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 11:59:12,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:59:12,753 INFO L93 Difference]: Finished difference Result 599 states and 783 transitions. [2024-12-02 11:59:12,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-02 11:59:12,754 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.3) internal successors, (63), 9 states have internal predecessors, (63), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 115 [2024-12-02 11:59:12,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:59:12,756 INFO L225 Difference]: With dead ends: 599 [2024-12-02 11:59:12,756 INFO L226 Difference]: Without dead ends: 348 [2024-12-02 11:59:12,757 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=59, Invalid=213, Unknown=0, NotChecked=0, Total=272 [2024-12-02 11:59:12,757 INFO L435 NwaCegarLoop]: 141 mSDtfsCounter, 353 mSDsluCounter, 756 mSDsCounter, 0 mSdLazyCounter, 385 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 353 SdHoareTripleChecker+Valid, 897 SdHoareTripleChecker+Invalid, 408 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 385 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-12-02 11:59:12,758 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [353 Valid, 897 Invalid, 408 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 385 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-12-02 11:59:12,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2024-12-02 11:59:12,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 290. [2024-12-02 11:59:12,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 290 states, 265 states have (on average 1.2528301886792452) internal successors, (332), 265 states have internal predecessors, (332), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-12-02 11:59:12,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 376 transitions. [2024-12-02 11:59:12,786 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 376 transitions. Word has length 115 [2024-12-02 11:59:12,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:59:12,786 INFO L471 AbstractCegarLoop]: Abstraction has 290 states and 376 transitions. [2024-12-02 11:59:12,787 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.3) internal successors, (63), 9 states have internal predecessors, (63), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 11:59:12,787 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 376 transitions. [2024-12-02 11:59:12,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-12-02 11:59:12,787 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:59:12,787 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:59:12,794 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 11:59:12,988 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 11:59:12,988 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:59:12,988 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:59:12,988 INFO L85 PathProgramCache]: Analyzing trace with hash 741772237, now seen corresponding path program 1 times [2024-12-02 11:59:12,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 11:59:12,989 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [791411170] [2024-12-02 11:59:12,989 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:59:12,989 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 11:59:12,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 11:59:12,990 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 11:59:12,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2024-12-02 11:59:13,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:59:13,300 INFO L256 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 11:59:13,302 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:59:13,311 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-12-02 11:59:13,311 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 11:59:13,311 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 11:59:13,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [791411170] [2024-12-02 11:59:13,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [791411170] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:59:13,311 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:59:13,311 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 11:59:13,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831645890] [2024-12-02 11:59:13,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:59:13,311 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 11:59:13,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 11:59:13,312 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 11:59:13,312 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 11:59:13,312 INFO L87 Difference]: Start difference. First operand 290 states and 376 transitions. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 11:59:13,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:59:13,349 INFO L93 Difference]: Finished difference Result 577 states and 749 transitions. [2024-12-02 11:59:13,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 11:59:13,350 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 115 [2024-12-02 11:59:13,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:59:13,351 INFO L225 Difference]: With dead ends: 577 [2024-12-02 11:59:13,351 INFO L226 Difference]: Without dead ends: 290 [2024-12-02 11:59:13,351 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 11:59:13,351 INFO L435 NwaCegarLoop]: 141 mSDtfsCounter, 0 mSDsluCounter, 269 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 410 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 11:59:13,352 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 410 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 11:59:13,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2024-12-02 11:59:13,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 290. [2024-12-02 11:59:13,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 290 states, 265 states have (on average 1.2490566037735849) internal successors, (331), 265 states have internal predecessors, (331), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-12-02 11:59:13,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 375 transitions. [2024-12-02 11:59:13,374 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 375 transitions. Word has length 115 [2024-12-02 11:59:13,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:59:13,374 INFO L471 AbstractCegarLoop]: Abstraction has 290 states and 375 transitions. [2024-12-02 11:59:13,374 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 11:59:13,374 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 375 transitions. [2024-12-02 11:59:13,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-12-02 11:59:13,375 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:59:13,375 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:59:13,384 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Ended with exit code 0 [2024-12-02 11:59:13,575 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 11:59:13,576 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:59:13,576 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:59:13,576 INFO L85 PathProgramCache]: Analyzing trace with hash 1808699005, now seen corresponding path program 1 times [2024-12-02 11:59:13,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 11:59:13,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1814340466] [2024-12-02 11:59:13,577 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:59:13,577 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 11:59:13,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 11:59:13,579 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 11:59:13,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2024-12-02 11:59:13,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:59:13,969 INFO L256 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-02 11:59:13,972 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:59:15,986 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 11:59:15,986 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 146 treesize of output 56 [2024-12-02 11:59:15,997 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 11:59:15,997 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 96 treesize of output 36 [2024-12-02 11:59:16,124 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 124 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-12-02 11:59:16,124 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 11:59:16,601 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 11:59:16,601 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 141 treesize of output 129 [2024-12-02 11:59:20,288 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 11:59:20,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1814340466] [2024-12-02 11:59:20,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1814340466] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 11:59:20,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [811304597] [2024-12-02 11:59:20,289 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:59:20,289 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 11:59:20,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 11:59:20,291 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 11:59:20,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-12-02 11:59:21,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:59:21,562 INFO L256 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-02 11:59:21,565 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:59:22,408 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 1 [2024-12-02 11:59:23,852 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 11:59:23,853 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 128 treesize of output 68 [2024-12-02 11:59:23,856 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 136 treesize of output 64 [2024-12-02 11:59:24,060 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2024-12-02 11:59:24,060 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 11:59:24,717 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-12-02 11:59:24,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [811304597] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 11:59:24,717 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-12-02 11:59:24,718 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10, 8] total 21 [2024-12-02 11:59:24,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220038422] [2024-12-02 11:59:24,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:59:24,718 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 11:59:24,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 11:59:24,718 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 11:59:24,718 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=582, Unknown=0, NotChecked=0, Total=650 [2024-12-02 11:59:24,718 INFO L87 Difference]: Start difference. First operand 290 states and 375 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 11:59:26,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:59:26,360 INFO L93 Difference]: Finished difference Result 656 states and 855 transitions. [2024-12-02 11:59:26,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 11:59:26,361 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 116 [2024-12-02 11:59:26,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:59:26,363 INFO L225 Difference]: With dead ends: 656 [2024-12-02 11:59:26,363 INFO L226 Difference]: Without dead ends: 369 [2024-12-02 11:59:26,364 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 399 GetRequests, 373 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=73, Invalid=629, Unknown=0, NotChecked=0, Total=702 [2024-12-02 11:59:26,365 INFO L435 NwaCegarLoop]: 224 mSDtfsCounter, 84 mSDsluCounter, 437 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 661 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-12-02 11:59:26,365 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 661 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-12-02 11:59:26,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2024-12-02 11:59:26,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 365. [2024-12-02 11:59:26,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 365 states, 324 states have (on average 1.2561728395061729) internal successors, (407), 326 states have internal predecessors, (407), 36 states have call successors, (36), 4 states have call predecessors, (36), 4 states have return successors, (36), 34 states have call predecessors, (36), 36 states have call successors, (36) [2024-12-02 11:59:26,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 479 transitions. [2024-12-02 11:59:26,404 INFO L78 Accepts]: Start accepts. Automaton has 365 states and 479 transitions. Word has length 116 [2024-12-02 11:59:26,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:59:26,405 INFO L471 AbstractCegarLoop]: Abstraction has 365 states and 479 transitions. [2024-12-02 11:59:26,405 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 11:59:26,405 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 479 transitions. [2024-12-02 11:59:26,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-12-02 11:59:26,406 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:59:26,406 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:59:26,416 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Ended with exit code 0 [2024-12-02 11:59:26,614 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-12-02 11:59:26,807 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt [2024-12-02 11:59:26,807 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:59:26,807 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:59:26,807 INFO L85 PathProgramCache]: Analyzing trace with hash 1580443261, now seen corresponding path program 1 times [2024-12-02 11:59:26,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 11:59:26,808 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1491411388] [2024-12-02 11:59:26,808 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:59:26,808 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 11:59:26,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 11:59:26,810 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 11:59:26,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2024-12-02 11:59:27,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:59:27,146 INFO L256 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-02 11:59:27,149 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:59:29,265 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 11:59:29,266 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 96 treesize of output 36 [2024-12-02 11:59:29,276 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 11:59:29,276 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 146 treesize of output 56 [2024-12-02 11:59:29,389 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 124 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-12-02 11:59:29,389 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 11:59:29,939 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 11:59:29,940 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 141 treesize of output 129 [2024-12-02 11:59:33,485 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 11:59:33,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1491411388] [2024-12-02 11:59:33,486 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1491411388] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 11:59:33,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1512388521] [2024-12-02 11:59:33,486 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:59:33,486 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 11:59:33,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 11:59:33,487 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 11:59:33,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-12-02 11:59:34,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:59:34,771 INFO L256 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-02 11:59:34,774 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:59:35,662 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 8 [2024-12-02 11:59:39,620 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 11:59:39,621 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 129 treesize of output 69 [2024-12-02 11:59:39,625 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 145 treesize of output 69 [2024-12-02 11:59:43,943 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2024-12-02 11:59:43,944 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 11:59:44,249 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-12-02 11:59:44,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1512388521] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 11:59:44,250 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-12-02 11:59:44,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10, 9] total 22 [2024-12-02 11:59:44,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721297138] [2024-12-02 11:59:44,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:59:44,250 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 11:59:44,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 11:59:44,251 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 11:59:44,251 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=530, Unknown=2, NotChecked=0, Total=600 [2024-12-02 11:59:44,251 INFO L87 Difference]: Start difference. First operand 365 states and 479 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, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 11:59:44,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:59:44,930 INFO L93 Difference]: Finished difference Result 735 states and 958 transitions. [2024-12-02 11:59:44,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 11:59:44,931 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, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 117 [2024-12-02 11:59:44,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:59:44,932 INFO L225 Difference]: With dead ends: 735 [2024-12-02 11:59:44,932 INFO L226 Difference]: Without dead ends: 373 [2024-12-02 11:59:44,933 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 403 GetRequests, 378 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 10.3s TimeCoverageRelationStatistics Valid=75, Invalid=573, Unknown=2, NotChecked=0, Total=650 [2024-12-02 11:59:44,933 INFO L435 NwaCegarLoop]: 124 mSDtfsCounter, 79 mSDsluCounter, 344 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 468 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 11:59:44,933 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 468 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 11:59:44,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 373 states. [2024-12-02 11:59:44,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 373 to 298. [2024-12-02 11:59:44,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 298 states, 271 states have (on average 1.2361623616236161) internal successors, (335), 271 states have internal predecessors, (335), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-12-02 11:59:44,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 379 transitions. [2024-12-02 11:59:44,960 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 379 transitions. Word has length 117 [2024-12-02 11:59:44,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:59:44,960 INFO L471 AbstractCegarLoop]: Abstraction has 298 states and 379 transitions. [2024-12-02 11:59:44,961 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, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 11:59:44,961 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 379 transitions. [2024-12-02 11:59:44,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-12-02 11:59:44,962 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:59:44,962 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:59:44,972 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-12-02 11:59:45,169 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Ended with exit code 0 [2024-12-02 11:59:45,362 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt,18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 11:59:45,363 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:59:45,363 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:59:45,363 INFO L85 PathProgramCache]: Analyzing trace with hash 1459894537, now seen corresponding path program 1 times [2024-12-02 11:59:45,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 11:59:45,363 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1749614738] [2024-12-02 11:59:45,363 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:59:45,363 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 11:59:45,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 11:59:45,365 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 11:59:45,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2024-12-02 11:59:45,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:59:45,713 INFO L256 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-12-02 11:59:45,717 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:59:47,229 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 45 treesize of output 21 [2024-12-02 11:59:47,236 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 70 treesize of output 34 [2024-12-02 11:59:47,315 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 2 proven. 102 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2024-12-02 11:59:47,315 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 11:59:47,944 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 11:59:47,944 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 91 treesize of output 66 [2024-12-02 11:59:48,499 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 11:59:48,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1749614738] [2024-12-02 11:59:48,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1749614738] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 11:59:48,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1870984280] [2024-12-02 11:59:48,500 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:59:48,500 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 11:59:48,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 11:59:48,501 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 11:59:48,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-12-02 11:59:49,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:59:49,776 INFO L256 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-02 11:59:49,777 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:59:49,988 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 37 [2024-12-02 11:59:49,992 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 49 treesize of output 25 [2024-12-02 11:59:50,099 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-12-02 11:59:50,099 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 11:59:50,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1870984280] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:59:50,099 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 11:59:50,099 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [13] total 17 [2024-12-02 11:59:50,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [841679790] [2024-12-02 11:59:50,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:59:50,099 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 11:59:50,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 11:59:50,100 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 11:59:50,100 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=438, Unknown=0, NotChecked=0, Total=506 [2024-12-02 11:59:50,100 INFO L87 Difference]: Start difference. First operand 298 states and 379 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, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 11:59:50,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:59:50,451 INFO L93 Difference]: Finished difference Result 611 states and 775 transitions. [2024-12-02 11:59:50,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 11:59:50,452 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, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 117 [2024-12-02 11:59:50,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:59:50,454 INFO L225 Difference]: With dead ends: 611 [2024-12-02 11:59:50,454 INFO L226 Difference]: Without dead ends: 316 [2024-12-02 11:59:50,455 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 324 GetRequests, 302 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 108 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=72, Invalid=480, Unknown=0, NotChecked=0, Total=552 [2024-12-02 11:59:50,455 INFO L435 NwaCegarLoop]: 140 mSDtfsCounter, 20 mSDsluCounter, 392 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 532 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 11:59:50,455 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 532 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 11:59:50,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 316 states. [2024-12-02 11:59:50,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 316 to 272. [2024-12-02 11:59:50,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 272 states, 245 states have (on average 1.2530612244897958) internal successors, (307), 245 states have internal predecessors, (307), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-12-02 11:59:50,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 351 transitions. [2024-12-02 11:59:50,483 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 351 transitions. Word has length 117 [2024-12-02 11:59:50,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:59:50,483 INFO L471 AbstractCegarLoop]: Abstraction has 272 states and 351 transitions. [2024-12-02 11:59:50,483 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, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 11:59:50,483 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 351 transitions. [2024-12-02 11:59:50,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-12-02 11:59:50,484 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:59:50,484 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:59:50,493 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (20)] Ended with exit code 0 [2024-12-02 11:59:50,694 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-12-02 11:59:50,885 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt [2024-12-02 11:59:50,885 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:59:50,885 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:59:50,886 INFO L85 PathProgramCache]: Analyzing trace with hash -1838743132, now seen corresponding path program 1 times [2024-12-02 11:59:50,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 11:59:50,886 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1530138001] [2024-12-02 11:59:50,886 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:59:50,886 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 11:59:50,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 11:59:50,888 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 11:59:50,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2024-12-02 11:59:51,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:59:51,245 INFO L256 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-12-02 11:59:51,247 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:59:53,093 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 45 treesize of output 21 [2024-12-02 11:59:53,100 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 70 treesize of output 34 [2024-12-02 11:59:53,183 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 2 proven. 102 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2024-12-02 11:59:53,183 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 11:59:53,867 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 11:59:53,867 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 66 [2024-12-02 11:59:54,366 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 11:59:54,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1530138001] [2024-12-02 11:59:54,367 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1530138001] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 11:59:54,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1813089889] [2024-12-02 11:59:54,367 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:59:54,367 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 11:59:54,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 11:59:54,368 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 11:59:54,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-12-02 11:59:55,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:59:55,674 INFO L256 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-02 11:59:55,677 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:59:55,820 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 38 [2024-12-02 11:59:55,823 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 50 treesize of output 26 [2024-12-02 11:59:55,958 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-12-02 11:59:55,958 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 11:59:55,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1813089889] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:59:55,959 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 11:59:55,959 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [13] total 17 [2024-12-02 11:59:55,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669520973] [2024-12-02 11:59:55,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:59:55,959 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 11:59:55,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 11:59:55,959 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 11:59:55,959 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=356, Unknown=0, NotChecked=0, Total=420 [2024-12-02 11:59:55,959 INFO L87 Difference]: Start difference. First operand 272 states and 351 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, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 11:59:56,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:59:56,195 INFO L93 Difference]: Finished difference Result 559 states and 719 transitions. [2024-12-02 11:59:56,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 11:59:56,195 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, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 117 [2024-12-02 11:59:56,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:59:56,196 INFO L225 Difference]: With dead ends: 559 [2024-12-02 11:59:56,196 INFO L226 Difference]: Without dead ends: 290 [2024-12-02 11:59:56,197 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 324 GetRequests, 303 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=71, Invalid=391, Unknown=0, NotChecked=0, Total=462 [2024-12-02 11:59:56,197 INFO L435 NwaCegarLoop]: 163 mSDtfsCounter, 36 mSDsluCounter, 413 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 576 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 11:59:56,197 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 576 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 11:59:56,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2024-12-02 11:59:56,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 174. [2024-12-02 11:59:56,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 160 states have (on average 1.23125) internal successors, (197), 160 states have internal predecessors, (197), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-12-02 11:59:56,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 219 transitions. [2024-12-02 11:59:56,207 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 219 transitions. Word has length 117 [2024-12-02 11:59:56,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:59:56,207 INFO L471 AbstractCegarLoop]: Abstraction has 174 states and 219 transitions. [2024-12-02 11:59:56,207 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, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 11:59:56,207 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 219 transitions. [2024-12-02 11:59:56,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-12-02 11:59:56,207 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:59:56,207 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:59:56,219 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2024-12-02 11:59:56,414 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (22)] Ended with exit code 0 [2024-12-02 11:59:56,608 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt,22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 11:59:56,608 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:59:56,608 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:59:56,608 INFO L85 PathProgramCache]: Analyzing trace with hash -2030346274, now seen corresponding path program 1 times [2024-12-02 11:59:56,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 11:59:56,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [162484552] [2024-12-02 11:59:56,609 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:59:56,609 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 11:59:56,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 11:59:56,610 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 11:59:56,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (24)] Waiting until timeout for monitored process [2024-12-02 11:59:57,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:59:57,048 INFO L256 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-12-02 11:59:57,051 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:59:57,921 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 19 [2024-12-02 11:59:58,298 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 11:59:58,298 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 64 treesize of output 24 [2024-12-02 11:59:58,389 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 11:59:58,390 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 197 treesize of output 77 [2024-12-02 11:59:58,571 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-12-02 11:59:58,571 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 11:59:59,071 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 11:59:59,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [162484552] [2024-12-02 11:59:59,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [162484552] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 11:59:59,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1863245172] [2024-12-02 11:59:59,072 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:59:59,072 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 11:59:59,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 11:59:59,073 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 11:59:59,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-12-02 12:00:01,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:00:01,801 INFO L256 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 54 conjuncts are in the unsatisfiable core [2024-12-02 12:00:01,806 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:00:03,435 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2024-12-02 12:00:05,130 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 8 [2024-12-02 12:00:08,418 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 12:00:08,418 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 45 treesize of output 15 [2024-12-02 12:00:08,784 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 187 treesize of output 87 [2024-12-02 12:00:09,654 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2024-12-02 12:00:10,926 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 12:00:10,926 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 56 treesize of output 24 [2024-12-02 12:00:11,390 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 199 treesize of output 95 [2024-12-02 12:00:15,908 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-12-02 12:00:15,908 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 12:00:16,791 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-12-02 12:00:16,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1863245172] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 12:00:16,791 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-12-02 12:00:16,791 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [13, 19] total 36 [2024-12-02 12:00:16,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146127809] [2024-12-02 12:00:16,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:00:16,792 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-12-02 12:00:16,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 12:00:16,792 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-12-02 12:00:16,792 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=170, Invalid=1161, Unknown=1, NotChecked=0, Total=1332 [2024-12-02 12:00:16,793 INFO L87 Difference]: Start difference. First operand 174 states and 219 transitions. Second operand has 11 states, 11 states have (on average 6.0) internal successors, (66), 11 states have internal predecessors, (66), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 12:00:19,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:00:19,118 INFO L93 Difference]: Finished difference Result 471 states and 598 transitions. [2024-12-02 12:00:19,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-02 12:00:19,119 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.0) internal successors, (66), 11 states have internal predecessors, (66), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 118 [2024-12-02 12:00:19,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:00:19,120 INFO L225 Difference]: With dead ends: 471 [2024-12-02 12:00:19,120 INFO L226 Difference]: Without dead ends: 300 [2024-12-02 12:00:19,121 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 392 GetRequests, 349 SyntacticMatches, 2 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 512 ImplicationChecksByTransitivity, 10.4s TimeCoverageRelationStatistics Valid=238, Invalid=1567, Unknown=1, NotChecked=0, Total=1806 [2024-12-02 12:00:19,121 INFO L435 NwaCegarLoop]: 195 mSDtfsCounter, 177 mSDsluCounter, 1239 mSDsCounter, 0 mSdLazyCounter, 248 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 177 SdHoareTripleChecker+Valid, 1434 SdHoareTripleChecker+Invalid, 276 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 248 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-12-02 12:00:19,121 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [177 Valid, 1434 Invalid, 276 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 248 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-12-02 12:00:19,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300 states. [2024-12-02 12:00:19,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300 to 271. [2024-12-02 12:00:19,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 271 states, 250 states have (on average 1.224) internal successors, (306), 251 states have internal predecessors, (306), 17 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (17), 16 states have call predecessors, (17), 17 states have call successors, (17) [2024-12-02 12:00:19,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 340 transitions. [2024-12-02 12:00:19,139 INFO L78 Accepts]: Start accepts. Automaton has 271 states and 340 transitions. Word has length 118 [2024-12-02 12:00:19,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:00:19,139 INFO L471 AbstractCegarLoop]: Abstraction has 271 states and 340 transitions. [2024-12-02 12:00:19,139 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.0) internal successors, (66), 11 states have internal predecessors, (66), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 12:00:19,139 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 340 transitions. [2024-12-02 12:00:19,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-12-02 12:00:19,140 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:00:19,140 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:00:19,151 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2024-12-02 12:00:19,347 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:00:19,540 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt,24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:00:19,540 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:00:19,541 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:00:19,541 INFO L85 PathProgramCache]: Analyzing trace with hash -1968306660, now seen corresponding path program 1 times [2024-12-02 12:00:19,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 12:00:19,541 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1056835583] [2024-12-02 12:00:19,541 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:00:19,541 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 12:00:19,542 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 12:00:19,543 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:00:19,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:00:19,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:00:19,924 INFO L256 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-12-02 12:00:19,927 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:00:23,469 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 12:00:23,470 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 184 treesize of output 94 [2024-12-02 12:00:23,479 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 12:00:23,479 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 154 treesize of output 64 [2024-12-02 12:00:23,684 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 124 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-12-02 12:00:23,684 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 12:00:24,587 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-12-02 12:00:24,587 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 12:00:24,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1056835583] [2024-12-02 12:00:24,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1056835583] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 12:00:24,587 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 12:00:24,587 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [13] total 17 [2024-12-02 12:00:24,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1982100917] [2024-12-02 12:00:24,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:00:24,588 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 12:00:24,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 12:00:24,588 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 12:00:24,588 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=232, Unknown=0, NotChecked=0, Total=272 [2024-12-02 12:00:24,588 INFO L87 Difference]: Start difference. First operand 271 states and 340 transitions. Second operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 12:00:25,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:00:25,551 INFO L93 Difference]: Finished difference Result 642 states and 807 transitions. [2024-12-02 12:00:25,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 12:00:25,553 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 118 [2024-12-02 12:00:25,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:00:25,555 INFO L225 Difference]: With dead ends: 642 [2024-12-02 12:00:25,555 INFO L226 Difference]: Without dead ends: 374 [2024-12-02 12:00:25,556 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 235 GetRequests, 219 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=45, Invalid=261, Unknown=0, NotChecked=0, Total=306 [2024-12-02 12:00:25,556 INFO L435 NwaCegarLoop]: 220 mSDtfsCounter, 79 mSDsluCounter, 444 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 664 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-12-02 12:00:25,556 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 664 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-12-02 12:00:25,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374 states. [2024-12-02 12:00:25,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374 to 305. [2024-12-02 12:00:25,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 305 states, 284 states have (on average 1.204225352112676) internal successors, (342), 285 states have internal predecessors, (342), 17 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (17), 16 states have call predecessors, (17), 17 states have call successors, (17) [2024-12-02 12:00:25,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 376 transitions. [2024-12-02 12:00:25,592 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 376 transitions. Word has length 118 [2024-12-02 12:00:25,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:00:25,592 INFO L471 AbstractCegarLoop]: Abstraction has 305 states and 376 transitions. [2024-12-02 12:00:25,593 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 12:00:25,593 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 376 transitions. [2024-12-02 12:00:25,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-12-02 12:00:25,593 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:00:25,594 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:00:25,600 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:00:25,794 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:00:25,794 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:00:25,794 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:00:25,794 INFO L85 PathProgramCache]: Analyzing trace with hash 1933633626, now seen corresponding path program 1 times [2024-12-02 12:00:25,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 12:00:25,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [757316888] [2024-12-02 12:00:25,795 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:00:25,795 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 12:00:25,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 12:00:25,796 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:00:25,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:00:26,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:00:26,254 INFO L256 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-12-02 12:00:26,258 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:00:27,446 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 18 treesize of output 19 [2024-12-02 12:00:28,087 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 12:00:28,087 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 64 treesize of output 24 [2024-12-02 12:00:28,291 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 12:00:28,291 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 242 treesize of output 92 [2024-12-02 12:00:28,668 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-12-02 12:00:28,668 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 12:00:29,454 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-12-02 12:00:29,454 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 12:00:29,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [757316888] [2024-12-02 12:00:29,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [757316888] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 12:00:29,454 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 12:00:29,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [14] total 21 [2024-12-02 12:00:29,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075905103] [2024-12-02 12:00:29,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:00:29,455 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 12:00:29,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 12:00:29,455 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 12:00:29,455 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=361, Unknown=0, NotChecked=0, Total=420 [2024-12-02 12:00:29,456 INFO L87 Difference]: Start difference. First operand 305 states and 376 transitions. Second operand has 10 states, 10 states have (on average 6.6) internal successors, (66), 10 states have internal predecessors, (66), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 12:00:31,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:00:31,552 INFO L93 Difference]: Finished difference Result 731 states and 906 transitions. [2024-12-02 12:00:31,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-02 12:00:31,554 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.6) internal successors, (66), 10 states have internal predecessors, (66), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 118 [2024-12-02 12:00:31,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:00:31,555 INFO L225 Difference]: With dead ends: 731 [2024-12-02 12:00:31,555 INFO L226 Difference]: Without dead ends: 429 [2024-12-02 12:00:31,555 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 239 GetRequests, 214 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=86, Invalid=564, Unknown=0, NotChecked=0, Total=650 [2024-12-02 12:00:31,556 INFO L435 NwaCegarLoop]: 196 mSDtfsCounter, 127 mSDsluCounter, 1221 mSDsCounter, 0 mSdLazyCounter, 216 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 1417 SdHoareTripleChecker+Invalid, 223 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 216 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-12-02 12:00:31,556 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 1417 Invalid, 223 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 216 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-12-02 12:00:31,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 429 states. [2024-12-02 12:00:31,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 429 to 335. [2024-12-02 12:00:31,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 335 states, 314 states have (on average 1.1847133757961783) internal successors, (372), 315 states have internal predecessors, (372), 17 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (17), 16 states have call predecessors, (17), 17 states have call successors, (17) [2024-12-02 12:00:31,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 406 transitions. [2024-12-02 12:00:31,573 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 406 transitions. Word has length 118 [2024-12-02 12:00:31,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:00:31,574 INFO L471 AbstractCegarLoop]: Abstraction has 335 states and 406 transitions. [2024-12-02 12:00:31,574 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.6) internal successors, (66), 10 states have internal predecessors, (66), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 12:00:31,574 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 406 transitions. [2024-12-02 12:00:31,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-12-02 12:00:31,574 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:00:31,574 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:00:31,581 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:00:31,775 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:00:31,775 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:00:31,775 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:00:31,775 INFO L85 PathProgramCache]: Analyzing trace with hash -1349732123, now seen corresponding path program 1 times [2024-12-02 12:00:31,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 12:00:31,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1530174482] [2024-12-02 12:00:31,776 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:00:31,776 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 12:00:31,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 12:00:31,777 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:00:31,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:00:32,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:00:32,138 INFO L256 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-02 12:00:32,141 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:00:34,594 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 12:00:34,594 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 146 treesize of output 56 [2024-12-02 12:00:34,612 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 12:00:34,612 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 96 treesize of output 36 [2024-12-02 12:00:34,748 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 124 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-12-02 12:00:34,748 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 12:00:35,303 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 12:00:35,303 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 141 treesize of output 129 [2024-12-02 12:00:38,819 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 12:00:38,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1530174482] [2024-12-02 12:00:38,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1530174482] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:00:38,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1852004049] [2024-12-02 12:00:38,820 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:00:38,820 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 12:00:38,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 12:00:38,821 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 12:00:38,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-12-02 12:00:40,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:00:40,202 INFO L256 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-12-02 12:00:40,206 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:00:42,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 12:00:42,294 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 1 [2024-12-02 12:00:43,681 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 1 [2024-12-02 12:00:45,253 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 12:00:45,253 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 146 treesize of output 56 [2024-12-02 12:00:45,267 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 36 [2024-12-02 12:00:45,386 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 124 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-12-02 12:00:45,386 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 12:00:49,775 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 12:00:49,775 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 2730 treesize of output 2490 [2024-12-02 12:00:51,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1852004049] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:00:51,457 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 12:00:51,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2024-12-02 12:00:51,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663670751] [2024-12-02 12:00:51,457 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 12:00:51,458 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-12-02 12:00:51,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 12:00:51,458 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-12-02 12:00:51,458 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=521, Unknown=1, NotChecked=0, Total=600 [2024-12-02 12:00:51,458 INFO L87 Difference]: Start difference. First operand 335 states and 406 transitions. Second operand has 19 states, 19 states have (on average 6.105263157894737) internal successors, (116), 18 states have internal predecessors, (116), 6 states have call successors, (22), 6 states have call predecessors, (22), 6 states have return successors, (22), 6 states have call predecessors, (22), 6 states have call successors, (22) [2024-12-02 12:00:57,824 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 12:01:01,828 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 12:01:06,000 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 12:01:10,002 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 12:01:14,154 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 12:01:18,159 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 12:01:22,191 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 12:01:26,192 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 12:01:30,237 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 12:01:34,243 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 12:01:38,276 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 12:01:42,277 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 12:01:47,313 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 12:01:51,315 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 12:01:55,320 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 12:01:59,325 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 12:02:03,399 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 12:02:07,401 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 12:02:11,406 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 12:02:15,411 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 12:02:20,170 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 12:02:24,172 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 12:02:28,223 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 12:02:32,225 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 12:02:36,230 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 12:02:40,235 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 12:02:44,262 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 12:02:48,264 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 12:02:52,404 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 12:02:56,406 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 12:03:00,411 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 12:03:04,416 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 12:03:08,497 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 12:03:12,499 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 12:03:16,534 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 12:03:20,535 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 12:03:24,541 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 12:03:28,546 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 12:03:32,628 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 12:03:36,630 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 12:03:40,672 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 12:03:44,675 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 12:03:48,680 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 12:03:52,686 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 12:03:56,715 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 12:04:00,717 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 12:04:04,878 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 12:04:08,880 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 12:04:12,885 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 12:04:16,890 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 12:04:20,980 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 12:04:24,982 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 12:04:29,141 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 12:04:33,143 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 12:04:33,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:04:33,152 INFO L93 Difference]: Finished difference Result 1187 states and 1447 transitions. [2024-12-02 12:04:33,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 12:04:33,154 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 6.105263157894737) internal successors, (116), 18 states have internal predecessors, (116), 6 states have call successors, (22), 6 states have call predecessors, (22), 6 states have return successors, (22), 6 states have call predecessors, (22), 6 states have call successors, (22) Word has length 119 [2024-12-02 12:04:33,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:04:33,157 INFO L225 Difference]: With dead ends: 1187 [2024-12-02 12:04:33,157 INFO L226 Difference]: Without dead ends: 855 [2024-12-02 12:04:33,157 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 358 GetRequests, 321 SyntacticMatches, 5 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 239 ImplicationChecksByTransitivity, 10.7s TimeCoverageRelationStatistics Valid=183, Invalid=938, Unknown=1, NotChecked=0, Total=1122 [2024-12-02 12:04:33,158 INFO L435 NwaCegarLoop]: 130 mSDtfsCounter, 1005 mSDsluCounter, 808 mSDsCounter, 0 mSdLazyCounter, 757 mSolverCounterSat, 91 mSolverCounterUnsat, 54 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 219.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1005 SdHoareTripleChecker+Valid, 938 SdHoareTripleChecker+Invalid, 902 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 757 IncrementalHoareTripleChecker+Invalid, 54 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 220.0s IncrementalHoareTripleChecker+Time [2024-12-02 12:04:33,159 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1005 Valid, 938 Invalid, 902 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 757 Invalid, 54 Unknown, 0 Unchecked, 220.0s Time] [2024-12-02 12:04:33,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 855 states. [2024-12-02 12:04:33,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 855 to 360. [2024-12-02 12:04:33,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 360 states, 333 states have (on average 1.1831831831831832) internal successors, (394), 334 states have internal predecessors, (394), 21 states have call successors, (21), 5 states have call predecessors, (21), 5 states have return successors, (21), 20 states have call predecessors, (21), 21 states have call successors, (21) [2024-12-02 12:04:33,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 436 transitions. [2024-12-02 12:04:33,205 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 436 transitions. Word has length 119 [2024-12-02 12:04:33,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:04:33,205 INFO L471 AbstractCegarLoop]: Abstraction has 360 states and 436 transitions. [2024-12-02 12:04:33,206 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 6.105263157894737) internal successors, (116), 18 states have internal predecessors, (116), 6 states have call successors, (22), 6 states have call predecessors, (22), 6 states have return successors, (22), 6 states have call predecessors, (22), 6 states have call successors, (22) [2024-12-02 12:04:33,206 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 436 transitions. [2024-12-02 12:04:33,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-12-02 12:04:33,206 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:04:33,206 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:04:33,213 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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)] Forceful destruction successful, exit code 0 [2024-12-02 12:04:33,415 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2024-12-02 12:04:33,607 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt [2024-12-02 12:04:33,607 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:04:33,607 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:04:33,607 INFO L85 PathProgramCache]: Analyzing trace with hash -473713117, now seen corresponding path program 1 times [2024-12-02 12:04:33,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 12:04:33,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [432363783] [2024-12-02 12:04:33,608 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:04:33,608 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 12:04:33,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 12:04:33,609 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:04:33,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:04:33,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:04:33,959 INFO L256 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 12:04:33,960 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:04:33,976 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2024-12-02 12:04:33,976 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 12:04:33,976 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 12:04:33,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [432363783] [2024-12-02 12:04:33,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [432363783] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:04:33,976 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:04:33,976 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 12:04:33,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [925994968] [2024-12-02 12:04:33,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:04:33,977 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 12:04:33,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 12:04:33,977 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 12:04:33,977 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 12:04:33,977 INFO L87 Difference]: Start difference. First operand 360 states and 436 transitions. Second operand has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-12-02 12:04:34,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:04:34,056 INFO L93 Difference]: Finished difference Result 719 states and 872 transitions. [2024-12-02 12:04:34,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 12:04:34,057 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 119 [2024-12-02 12:04:34,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:04:34,058 INFO L225 Difference]: With dead ends: 719 [2024-12-02 12:04:34,058 INFO L226 Difference]: Without dead ends: 362 [2024-12-02 12:04:34,058 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 116 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 12:04:34,058 INFO L435 NwaCegarLoop]: 141 mSDtfsCounter, 0 mSDsluCounter, 268 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 409 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 12:04:34,058 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 409 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 12:04:34,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2024-12-02 12:04:34,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 362. [2024-12-02 12:04:34,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 362 states, 335 states have (on average 1.182089552238806) internal successors, (396), 336 states have internal predecessors, (396), 21 states have call successors, (21), 5 states have call predecessors, (21), 5 states have return successors, (21), 20 states have call predecessors, (21), 21 states have call successors, (21) [2024-12-02 12:04:34,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 438 transitions. [2024-12-02 12:04:34,084 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 438 transitions. Word has length 119 [2024-12-02 12:04:34,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:04:34,084 INFO L471 AbstractCegarLoop]: Abstraction has 362 states and 438 transitions. [2024-12-02 12:04:34,085 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-12-02 12:04:34,085 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 438 transitions. [2024-12-02 12:04:34,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-12-02 12:04:34,085 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:04:34,085 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:04:34,091 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:04:34,286 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:04:34,286 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:04:34,286 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:04:34,286 INFO L85 PathProgramCache]: Analyzing trace with hash -1767128729, now seen corresponding path program 1 times [2024-12-02 12:04:34,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 12:04:34,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [978751008] [2024-12-02 12:04:34,287 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:04:34,287 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 12:04:34,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 12:04:34,288 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:04:34,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:04:34,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:04:34,646 INFO L256 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 12:04:34,648 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:04:34,661 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 112 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2024-12-02 12:04:34,661 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 12:04:34,661 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 12:04:34,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [978751008] [2024-12-02 12:04:34,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [978751008] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:04:34,661 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:04:34,661 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 12:04:34,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406470856] [2024-12-02 12:04:34,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:04:34,661 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 12:04:34,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 12:04:34,662 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 12:04:34,662 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 12:04:34,662 INFO L87 Difference]: Start difference. First operand 362 states and 438 transitions. Second operand has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-12-02 12:04:34,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:04:34,753 INFO L93 Difference]: Finished difference Result 721 states and 873 transitions. [2024-12-02 12:04:34,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 12:04:34,754 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 119 [2024-12-02 12:04:34,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:04:34,756 INFO L225 Difference]: With dead ends: 721 [2024-12-02 12:04:34,756 INFO L226 Difference]: Without dead ends: 362 [2024-12-02 12:04:34,756 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 116 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 12:04:34,757 INFO L435 NwaCegarLoop]: 141 mSDtfsCounter, 0 mSDsluCounter, 268 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 409 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 12:04:34,757 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 409 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 12:04:34,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2024-12-02 12:04:34,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 362. [2024-12-02 12:04:34,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 362 states, 335 states have (on average 1.1791044776119404) internal successors, (395), 336 states have internal predecessors, (395), 21 states have call successors, (21), 5 states have call predecessors, (21), 5 states have return successors, (21), 20 states have call predecessors, (21), 21 states have call successors, (21) [2024-12-02 12:04:34,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 437 transitions. [2024-12-02 12:04:34,786 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 437 transitions. Word has length 119 [2024-12-02 12:04:34,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:04:34,786 INFO L471 AbstractCegarLoop]: Abstraction has 362 states and 437 transitions. [2024-12-02 12:04:34,786 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-12-02 12:04:34,786 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 437 transitions. [2024-12-02 12:04:34,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-12-02 12:04:34,787 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:04:34,787 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:04:34,795 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:04:34,987 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:04:34,988 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:04:34,988 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:04:34,988 INFO L85 PathProgramCache]: Analyzing trace with hash 955825444, now seen corresponding path program 1 times [2024-12-02 12:04:34,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 12:04:34,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1194630124] [2024-12-02 12:04:34,988 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:04:34,988 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 12:04:34,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 12:04:34,990 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:04:34,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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)] Waiting until timeout for monitored process [2024-12-02 12:04:35,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:04:35,411 INFO L256 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-12-02 12:04:35,415 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:04:39,574 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 12:04:39,574 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 233 treesize of output 113 [2024-12-02 12:04:39,880 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 12:04:39,880 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 148 treesize of output 58 [2024-12-02 12:04:40,232 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-12-02 12:04:40,232 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 12:04:42,097 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-12-02 12:04:42,097 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 12:04:42,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1194630124] [2024-12-02 12:04:42,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1194630124] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 12:04:42,097 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 12:04:42,098 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [14] total 20 [2024-12-02 12:04:42,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187687732] [2024-12-02 12:04:42,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:04:42,098 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 12:04:42,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 12:04:42,098 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 12:04:42,098 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=329, Unknown=0, NotChecked=0, Total=380 [2024-12-02 12:04:42,098 INFO L87 Difference]: Start difference. First operand 362 states and 437 transitions. Second operand has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 7 states have internal predecessors, (68), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 12:04:44,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:04:44,517 INFO L93 Difference]: Finished difference Result 791 states and 962 transitions. [2024-12-02 12:04:44,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 12:04:44,520 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 7 states have internal predecessors, (68), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 120 [2024-12-02 12:04:44,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:04:44,522 INFO L225 Difference]: With dead ends: 791 [2024-12-02 12:04:44,522 INFO L226 Difference]: Without dead ends: 432 [2024-12-02 12:04:44,523 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 241 GetRequests, 220 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=74, Invalid=432, Unknown=0, NotChecked=0, Total=506 [2024-12-02 12:04:44,523 INFO L435 NwaCegarLoop]: 196 mSDtfsCounter, 176 mSDsluCounter, 590 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 176 SdHoareTripleChecker+Valid, 786 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-12-02 12:04:44,523 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [176 Valid, 786 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-12-02 12:04:44,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 432 states. [2024-12-02 12:04:44,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 432 to 364. [2024-12-02 12:04:44,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 364 states, 337 states have (on average 1.1780415430267062) internal successors, (397), 338 states have internal predecessors, (397), 21 states have call successors, (21), 5 states have call predecessors, (21), 5 states have return successors, (21), 20 states have call predecessors, (21), 21 states have call successors, (21) [2024-12-02 12:04:44,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 364 states and 439 transitions. [2024-12-02 12:04:44,562 INFO L78 Accepts]: Start accepts. Automaton has 364 states and 439 transitions. Word has length 120 [2024-12-02 12:04:44,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:04:44,563 INFO L471 AbstractCegarLoop]: Abstraction has 364 states and 439 transitions. [2024-12-02 12:04:44,563 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 7 states have internal predecessors, (68), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 12:04:44,563 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 439 transitions. [2024-12-02 12:04:44,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-12-02 12:04:44,564 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:04:44,564 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:04:44,572 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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)] Ended with exit code 0 [2024-12-02 12:04:44,764 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:04:44,765 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:04:44,765 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:04:44,765 INFO L85 PathProgramCache]: Analyzing trace with hash 1213990882, now seen corresponding path program 1 times [2024-12-02 12:04:44,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 12:04:44,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1056306739] [2024-12-02 12:04:44,765 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:04:44,766 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 12:04:44,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 12:04:44,767 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:04:44,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:04:45,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:04:45,214 INFO L256 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-12-02 12:04:45,217 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:04:48,598 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 12:04:48,599 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 183 treesize of output 93 [2024-12-02 12:04:48,608 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 12:04:48,608 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 153 treesize of output 63 [2024-12-02 12:04:48,822 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 124 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-12-02 12:04:48,822 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 12:04:49,800 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-12-02 12:04:49,800 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 12:04:49,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1056306739] [2024-12-02 12:04:49,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1056306739] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 12:04:49,801 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 12:04:49,801 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [11] total 15 [2024-12-02 12:04:49,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [462637499] [2024-12-02 12:04:49,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:04:49,801 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 12:04:49,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 12:04:49,802 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 12:04:49,802 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2024-12-02 12:04:49,802 INFO L87 Difference]: Start difference. First operand 364 states and 439 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, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 12:04:51,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:04:51,718 INFO L93 Difference]: Finished difference Result 845 states and 1032 transitions. [2024-12-02 12:04:51,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 12:04:51,720 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, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 120 [2024-12-02 12:04:51,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:04:51,721 INFO L225 Difference]: With dead ends: 845 [2024-12-02 12:04:51,721 INFO L226 Difference]: Without dead ends: 484 [2024-12-02 12:04:51,721 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 239 GetRequests, 225 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=40, Invalid=200, Unknown=0, NotChecked=0, Total=240 [2024-12-02 12:04:51,722 INFO L435 NwaCegarLoop]: 160 mSDtfsCounter, 81 mSDsluCounter, 382 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 542 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-12-02 12:04:51,722 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 542 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-12-02 12:04:51,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 484 states. [2024-12-02 12:04:51,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 484 to 364. [2024-12-02 12:04:51,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 364 states, 337 states have (on average 1.1661721068249258) internal successors, (393), 338 states have internal predecessors, (393), 21 states have call successors, (21), 5 states have call predecessors, (21), 5 states have return successors, (21), 20 states have call predecessors, (21), 21 states have call successors, (21) [2024-12-02 12:04:51,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 364 states and 435 transitions. [2024-12-02 12:04:51,768 INFO L78 Accepts]: Start accepts. Automaton has 364 states and 435 transitions. Word has length 120 [2024-12-02 12:04:51,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:04:51,768 INFO L471 AbstractCegarLoop]: Abstraction has 364 states and 435 transitions. [2024-12-02 12:04:51,768 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, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 12:04:51,768 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 435 transitions. [2024-12-02 12:04:51,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-12-02 12:04:51,769 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:04:51,769 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:04:51,779 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:04:51,970 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:04:51,970 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:04:51,970 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:04:51,970 INFO L85 PathProgramCache]: Analyzing trace with hash 890254788, now seen corresponding path program 1 times [2024-12-02 12:04:51,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 12:04:51,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [492278830] [2024-12-02 12:04:51,971 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:04:51,971 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 12:04:51,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 12:04:51,972 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:04:51,973 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (34)] Waiting until timeout for monitored process [2024-12-02 12:04:52,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:04:52,504 INFO L256 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-12-02 12:04:52,507 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:04:56,463 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 12:04:56,463 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 184 treesize of output 94 [2024-12-02 12:04:56,735 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 12:04:56,735 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 249 treesize of output 99 [2024-12-02 12:04:57,078 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-12-02 12:04:57,079 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 12:04:58,881 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-12-02 12:04:58,881 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 12:04:58,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [492278830] [2024-12-02 12:04:58,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [492278830] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 12:04:58,881 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 12:04:58,881 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [14] total 20 [2024-12-02 12:04:58,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573839001] [2024-12-02 12:04:58,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:04:58,881 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 12:04:58,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 12:04:58,882 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 12:04:58,882 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=329, Unknown=0, NotChecked=0, Total=380 [2024-12-02 12:04:58,882 INFO L87 Difference]: Start difference. First operand 364 states and 435 transitions. Second operand has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 7 states have internal predecessors, (68), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 12:05:00,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:05:00,967 INFO L93 Difference]: Finished difference Result 785 states and 946 transitions. [2024-12-02 12:05:00,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 12:05:00,969 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 7 states have internal predecessors, (68), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 120 [2024-12-02 12:05:00,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:05:00,970 INFO L225 Difference]: With dead ends: 785 [2024-12-02 12:05:00,970 INFO L226 Difference]: Without dead ends: 424 [2024-12-02 12:05:00,971 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 241 GetRequests, 220 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=74, Invalid=432, Unknown=0, NotChecked=0, Total=506 [2024-12-02 12:05:00,971 INFO L435 NwaCegarLoop]: 168 mSDtfsCounter, 67 mSDsluCounter, 639 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 807 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-12-02 12:05:00,971 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 807 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-12-02 12:05:00,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 424 states. [2024-12-02 12:05:00,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 424 to 366. [2024-12-02 12:05:00,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 366 states, 339 states have (on average 1.1651917404129795) internal successors, (395), 340 states have internal predecessors, (395), 21 states have call successors, (21), 5 states have call predecessors, (21), 5 states have return successors, (21), 20 states have call predecessors, (21), 21 states have call successors, (21) [2024-12-02 12:05:01,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 437 transitions. [2024-12-02 12:05:01,000 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 437 transitions. Word has length 120 [2024-12-02 12:05:01,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:05:01,001 INFO L471 AbstractCegarLoop]: Abstraction has 366 states and 437 transitions. [2024-12-02 12:05:01,001 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 7 states have internal predecessors, (68), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 12:05:01,001 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 437 transitions. [2024-12-02 12:05:01,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-12-02 12:05:01,002 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:05:01,002 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:05:01,009 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (34)] Ended with exit code 0 [2024-12-02 12:05:01,202 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:05:01,202 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:05:01,203 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:05:01,203 INFO L85 PathProgramCache]: Analyzing trace with hash 704517792, now seen corresponding path program 1 times [2024-12-02 12:05:01,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 12:05:01,203 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [550787985] [2024-12-02 12:05:01,203 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:05:01,204 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 12:05:01,204 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 12:05:01,205 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:05:01,206 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:05:01,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:05:01,655 INFO L256 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-12-02 12:05:01,658 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:05:05,565 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 12:05:05,565 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 233 treesize of output 113 [2024-12-02 12:05:06,048 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2024-12-02 12:05:06,049 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 12:05:07,694 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-12-02 12:05:07,694 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 12:05:07,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [550787985] [2024-12-02 12:05:07,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [550787985] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 12:05:07,694 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 12:05:07,694 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [14] total 20 [2024-12-02 12:05:07,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435560343] [2024-12-02 12:05:07,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:05:07,695 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 12:05:07,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 12:05:07,695 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 12:05:07,695 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=326, Unknown=0, NotChecked=0, Total=380 [2024-12-02 12:05:07,696 INFO L87 Difference]: Start difference. First operand 366 states and 437 transitions. Second operand has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 7 states have internal predecessors, (68), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 12:05:10,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:05:10,466 INFO L93 Difference]: Finished difference Result 783 states and 938 transitions. [2024-12-02 12:05:10,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 12:05:10,468 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 7 states have internal predecessors, (68), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 120 [2024-12-02 12:05:10,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:05:10,469 INFO L225 Difference]: With dead ends: 783 [2024-12-02 12:05:10,469 INFO L226 Difference]: Without dead ends: 420 [2024-12-02 12:05:10,469 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 241 GetRequests, 220 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=77, Invalid=429, Unknown=0, NotChecked=0, Total=506 [2024-12-02 12:05:10,470 INFO L435 NwaCegarLoop]: 166 mSDtfsCounter, 162 mSDsluCounter, 519 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 685 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-12-02 12:05:10,470 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [162 Valid, 685 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-12-02 12:05:10,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 420 states. [2024-12-02 12:05:10,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 420 to 364. [2024-12-02 12:05:10,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 364 states, 337 states have (on average 1.1602373887240356) internal successors, (391), 338 states have internal predecessors, (391), 21 states have call successors, (21), 5 states have call predecessors, (21), 5 states have return successors, (21), 20 states have call predecessors, (21), 21 states have call successors, (21) [2024-12-02 12:05:10,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 364 states and 433 transitions. [2024-12-02 12:05:10,497 INFO L78 Accepts]: Start accepts. Automaton has 364 states and 433 transitions. Word has length 120 [2024-12-02 12:05:10,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:05:10,497 INFO L471 AbstractCegarLoop]: Abstraction has 364 states and 433 transitions. [2024-12-02 12:05:10,497 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 7 states have internal predecessors, (68), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 12:05:10,497 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 433 transitions. [2024-12-02 12:05:10,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-12-02 12:05:10,498 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:05:10,498 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:05:10,505 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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)] Forceful destruction successful, exit code 0 [2024-12-02 12:05:10,698 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:05:10,699 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:05:10,699 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:05:10,699 INFO L85 PathProgramCache]: Analyzing trace with hash -12245312, now seen corresponding path program 1 times [2024-12-02 12:05:10,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 12:05:10,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1369824849] [2024-12-02 12:05:10,699 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:05:10,699 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 12:05:10,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 12:05:10,701 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:05:10,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:05:11,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:05:11,132 INFO L256 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-12-02 12:05:11,134 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:05:13,463 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 12:05:13,463 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 234 treesize of output 114 [2024-12-02 12:05:13,711 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 12:05:13,711 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 149 treesize of output 59 [2024-12-02 12:05:14,693 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-12-02 12:05:14,693 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 12:05:16,373 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 12:05:16,374 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 180 treesize of output 90 [2024-12-02 12:05:16,742 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-12-02 12:05:16,742 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 12:05:16,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1369824849] [2024-12-02 12:05:16,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1369824849] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 12:05:16,742 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 12:05:16,742 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [12] total 19 [2024-12-02 12:05:16,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1338854345] [2024-12-02 12:05:16,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:05:16,743 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 12:05:16,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 12:05:16,743 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 12:05:16,743 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2024-12-02 12:05:16,743 INFO L87 Difference]: Start difference. First operand 364 states and 433 transitions. Second operand has 8 states, 8 states have (on average 8.5) internal successors, (68), 8 states have internal predecessors, (68), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 12:05:19,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:05:19,734 INFO L93 Difference]: Finished difference Result 771 states and 922 transitions. [2024-12-02 12:05:19,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 12:05:19,737 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.5) internal successors, (68), 8 states have internal predecessors, (68), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 120 [2024-12-02 12:05:19,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:05:19,739 INFO L225 Difference]: With dead ends: 771 [2024-12-02 12:05:19,739 INFO L226 Difference]: Without dead ends: 410 [2024-12-02 12:05:19,739 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 241 GetRequests, 221 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=73, Invalid=389, Unknown=0, NotChecked=0, Total=462 [2024-12-02 12:05:19,739 INFO L435 NwaCegarLoop]: 212 mSDtfsCounter, 119 mSDsluCounter, 797 mSDsCounter, 0 mSdLazyCounter, 163 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 1009 SdHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-12-02 12:05:19,739 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 1009 Invalid, 177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 163 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-12-02 12:05:19,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 410 states. [2024-12-02 12:05:19,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 410 to 350. [2024-12-02 12:05:19,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 350 states, 323 states have (on average 1.1486068111455108) internal successors, (371), 324 states have internal predecessors, (371), 21 states have call successors, (21), 5 states have call predecessors, (21), 5 states have return successors, (21), 20 states have call predecessors, (21), 21 states have call successors, (21) [2024-12-02 12:05:19,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 350 states and 413 transitions. [2024-12-02 12:05:19,787 INFO L78 Accepts]: Start accepts. Automaton has 350 states and 413 transitions. Word has length 120 [2024-12-02 12:05:19,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:05:19,787 INFO L471 AbstractCegarLoop]: Abstraction has 350 states and 413 transitions. [2024-12-02 12:05:19,787 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.5) internal successors, (68), 8 states have internal predecessors, (68), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 12:05:19,787 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 413 transitions. [2024-12-02 12:05:19,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-12-02 12:05:19,787 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:05:19,788 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:05:19,797 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:05:19,988 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:05:19,988 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:05:19,988 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:05:19,988 INFO L85 PathProgramCache]: Analyzing trace with hash 2145593439, now seen corresponding path program 1 times [2024-12-02 12:05:19,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 12:05:19,989 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1928158392] [2024-12-02 12:05:19,989 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:05:19,989 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 12:05:19,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 12:05:19,990 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:05:19,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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)] Waiting until timeout for monitored process [2024-12-02 12:05:20,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:05:20,403 INFO L256 TraceCheckSpWp]: Trace formula consists of 341 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-02 12:05:20,405 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:05:20,906 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 12:05:21,004 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 42 [2024-12-02 12:05:21,007 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 12:05:21,092 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-12-02 12:05:21,093 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 12:05:21,337 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-12-02 12:05:21,337 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 12:05:21,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1928158392] [2024-12-02 12:05:21,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1928158392] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 12:05:21,338 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 12:05:21,338 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [9] total 14 [2024-12-02 12:05:21,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [493268457] [2024-12-02 12:05:21,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:05:21,338 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 12:05:21,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 12:05:21,339 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 12:05:21,339 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2024-12-02 12:05:21,339 INFO L87 Difference]: Start difference. First operand 350 states and 413 transitions. Second operand has 8 states, 8 states have (on average 8.625) internal successors, (69), 8 states have internal predecessors, (69), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 12:05:22,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:05:22,415 INFO L93 Difference]: Finished difference Result 467 states and 565 transitions. [2024-12-02 12:05:22,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 12:05:22,416 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.625) internal successors, (69), 8 states have internal predecessors, (69), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 121 [2024-12-02 12:05:22,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:05:22,417 INFO L225 Difference]: With dead ends: 467 [2024-12-02 12:05:22,417 INFO L226 Difference]: Without dead ends: 465 [2024-12-02 12:05:22,418 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 245 GetRequests, 228 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2024-12-02 12:05:22,418 INFO L435 NwaCegarLoop]: 246 mSDtfsCounter, 104 mSDsluCounter, 1324 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 1570 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-12-02 12:05:22,418 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 1570 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-12-02 12:05:22,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 465 states. [2024-12-02 12:05:22,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 465 to 461. [2024-12-02 12:05:22,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 461 states, 412 states have (on average 1.1723300970873787) internal successors, (483), 416 states have internal predecessors, (483), 38 states have call successors, (38), 10 states have call predecessors, (38), 10 states have return successors, (38), 34 states have call predecessors, (38), 38 states have call successors, (38) [2024-12-02 12:05:22,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 461 states and 559 transitions. [2024-12-02 12:05:22,492 INFO L78 Accepts]: Start accepts. Automaton has 461 states and 559 transitions. Word has length 121 [2024-12-02 12:05:22,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:05:22,492 INFO L471 AbstractCegarLoop]: Abstraction has 461 states and 559 transitions. [2024-12-02 12:05:22,492 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.625) internal successors, (69), 8 states have internal predecessors, (69), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 12:05:22,492 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 559 transitions. [2024-12-02 12:05:22,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-12-02 12:05:22,493 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:05:22,493 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:05:22,500 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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)] Ended with exit code 0 [2024-12-02 12:05:22,694 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:05:22,694 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:05:22,694 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:05:22,694 INFO L85 PathProgramCache]: Analyzing trace with hash -1255165558, now seen corresponding path program 1 times [2024-12-02 12:05:22,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 12:05:22,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1661013661] [2024-12-02 12:05:22,694 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:05:22,695 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 12:05:22,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 12:05:22,696 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:05:22,697 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:05:23,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:05:23,196 INFO L256 TraceCheckSpWp]: Trace formula consists of 341 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-12-02 12:05:23,198 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:05:24,584 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 19 [2024-12-02 12:05:25,083 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 12:05:25,084 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 64 treesize of output 24 [2024-12-02 12:05:25,241 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 12:05:25,241 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 197 treesize of output 77 [2024-12-02 12:05:25,659 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2024-12-02 12:05:25,659 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 12:05:26,703 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 12:05:26,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1661013661] [2024-12-02 12:05:26,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1661013661] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:05:26,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2089243676] [2024-12-02 12:05:26,704 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:05:26,704 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 12:05:26,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 12:05:26,705 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 12:05:26,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2024-12-02 12:05:29,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:05:29,895 INFO L256 TraceCheckSpWp]: Trace formula consists of 341 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-12-02 12:05:29,899 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:05:31,526 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 8 [2024-12-02 12:05:34,608 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2024-12-02 12:05:35,540 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 12:05:35,540 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 56 treesize of output 24 [2024-12-02 12:05:35,874 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 181 treesize of output 81 [2024-12-02 12:05:45,159 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2024-12-02 12:05:45,159 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 12:05:45,824 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-12-02 12:05:45,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2089243676] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 12:05:45,824 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-12-02 12:05:45,824 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [15, 16] total 37 [2024-12-02 12:05:45,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261103417] [2024-12-02 12:05:45,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:05:45,824 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-12-02 12:05:45,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 12:05:45,825 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-12-02 12:05:45,825 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=150, Invalid=1180, Unknown=2, NotChecked=0, Total=1332 [2024-12-02 12:05:45,825 INFO L87 Difference]: Start difference. First operand 461 states and 559 transitions. Second operand has 13 states, 13 states have (on average 5.384615384615385) internal successors, (70), 13 states have internal predecessors, (70), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 12:05:48,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:05:48,429 INFO L93 Difference]: Finished difference Result 1217 states and 1485 transitions. [2024-12-02 12:05:48,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 12:05:48,431 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.384615384615385) internal successors, (70), 13 states have internal predecessors, (70), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 122 [2024-12-02 12:05:48,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:05:48,433 INFO L225 Difference]: With dead ends: 1217 [2024-12-02 12:05:48,433 INFO L226 Difference]: Without dead ends: 759 [2024-12-02 12:05:48,434 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 407 GetRequests, 361 SyntacticMatches, 5 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 512 ImplicationChecksByTransitivity, 14.2s TimeCoverageRelationStatistics Valid=190, Invalid=1614, Unknown=2, NotChecked=0, Total=1806 [2024-12-02 12:05:48,434 INFO L435 NwaCegarLoop]: 227 mSDtfsCounter, 176 mSDsluCounter, 1940 mSDsCounter, 0 mSdLazyCounter, 442 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 176 SdHoareTripleChecker+Valid, 2167 SdHoareTripleChecker+Invalid, 443 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 442 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-12-02 12:05:48,434 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [176 Valid, 2167 Invalid, 443 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 442 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-12-02 12:05:48,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 759 states. [2024-12-02 12:05:48,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 759 to 628. [2024-12-02 12:05:48,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 628 states, 561 states have (on average 1.1764705882352942) internal successors, (660), 567 states have internal predecessors, (660), 52 states have call successors, (52), 14 states have call predecessors, (52), 14 states have return successors, (52), 46 states have call predecessors, (52), 52 states have call successors, (52) [2024-12-02 12:05:48,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 628 states and 764 transitions. [2024-12-02 12:05:48,511 INFO L78 Accepts]: Start accepts. Automaton has 628 states and 764 transitions. Word has length 122 [2024-12-02 12:05:48,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:05:48,511 INFO L471 AbstractCegarLoop]: Abstraction has 628 states and 764 transitions. [2024-12-02 12:05:48,512 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.384615384615385) internal successors, (70), 13 states have internal predecessors, (70), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 12:05:48,512 INFO L276 IsEmpty]: Start isEmpty. Operand 628 states and 764 transitions. [2024-12-02 12:05:48,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-12-02 12:05:48,513 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:05:48,513 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:05:48,520 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:05:48,725 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2024-12-02 12:05:48,914 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt [2024-12-02 12:05:48,914 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:05:48,914 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:05:48,914 INFO L85 PathProgramCache]: Analyzing trace with hash -1648192568, now seen corresponding path program 1 times [2024-12-02 12:05:48,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 12:05:48,915 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1128837727] [2024-12-02 12:05:48,915 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:05:48,915 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 12:05:48,915 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 12:05:48,916 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:05:48,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (40)] Waiting until timeout for monitored process [2024-12-02 12:05:49,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:05:49,385 INFO L256 TraceCheckSpWp]: Trace formula consists of 341 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-02 12:05:49,388 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:05:51,631 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 12:05:51,632 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 233 treesize of output 113 [2024-12-02 12:05:51,643 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 12:05:51,643 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 103 treesize of output 43 [2024-12-02 12:05:51,806 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2024-12-02 12:05:51,806 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 12:05:52,670 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-12-02 12:05:52,670 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 12:05:52,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1128837727] [2024-12-02 12:05:52,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1128837727] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 12:05:52,670 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 12:05:52,670 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 13 [2024-12-02 12:05:52,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469709809] [2024-12-02 12:05:52,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:05:52,671 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 12:05:52,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 12:05:52,671 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 12:05:52,671 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2024-12-02 12:05:52,671 INFO L87 Difference]: Start difference. First operand 628 states and 764 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 12:05:53,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:05:53,642 INFO L93 Difference]: Finished difference Result 1257 states and 1528 transitions. [2024-12-02 12:05:53,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 12:05:53,644 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 122 [2024-12-02 12:05:53,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:05:53,646 INFO L225 Difference]: With dead ends: 1257 [2024-12-02 12:05:53,646 INFO L226 Difference]: Without dead ends: 632 [2024-12-02 12:05:53,647 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 243 GetRequests, 231 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2024-12-02 12:05:53,648 INFO L435 NwaCegarLoop]: 157 mSDtfsCounter, 76 mSDsluCounter, 379 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 536 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-12-02 12:05:53,648 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 536 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-12-02 12:05:53,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 632 states. [2024-12-02 12:05:53,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 632 to 628. [2024-12-02 12:05:53,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 628 states, 561 states have (on average 1.1693404634581106) internal successors, (656), 567 states have internal predecessors, (656), 52 states have call successors, (52), 14 states have call predecessors, (52), 14 states have return successors, (52), 46 states have call predecessors, (52), 52 states have call successors, (52) [2024-12-02 12:05:53,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 628 states and 760 transitions. [2024-12-02 12:05:53,739 INFO L78 Accepts]: Start accepts. Automaton has 628 states and 760 transitions. Word has length 122 [2024-12-02 12:05:53,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:05:53,739 INFO L471 AbstractCegarLoop]: Abstraction has 628 states and 760 transitions. [2024-12-02 12:05:53,739 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 12:05:53,739 INFO L276 IsEmpty]: Start isEmpty. Operand 628 states and 760 transitions. [2024-12-02 12:05:53,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-12-02 12:05:53,740 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:05:53,740 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:05:53,747 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (40)] Ended with exit code 0 [2024-12-02 12:05:53,941 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:05:53,941 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:05:53,941 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:05:53,941 INFO L85 PathProgramCache]: Analyzing trace with hash -1764638648, now seen corresponding path program 1 times [2024-12-02 12:05:53,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 12:05:53,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [684561723] [2024-12-02 12:05:53,941 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:05:53,941 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 12:05:53,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 12:05:53,943 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:05:53,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:05:54,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:05:54,376 INFO L256 TraceCheckSpWp]: Trace formula consists of 341 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-12-02 12:05:54,378 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:05:58,471 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 12:05:58,472 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 183 treesize of output 93 [2024-12-02 12:05:58,481 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 12:05:58,481 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 153 treesize of output 63 [2024-12-02 12:05:58,738 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 124 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-12-02 12:05:58,738 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 12:05:59,696 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-12-02 12:05:59,696 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 12:05:59,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [684561723] [2024-12-02 12:05:59,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [684561723] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 12:05:59,696 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 12:05:59,696 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [13] total 17 [2024-12-02 12:05:59,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364208729] [2024-12-02 12:05:59,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:05:59,697 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 12:05:59,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 12:05:59,697 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 12:05:59,697 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=232, Unknown=0, NotChecked=0, Total=272 [2024-12-02 12:05:59,697 INFO L87 Difference]: Start difference. First operand 628 states and 760 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 12:06:00,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:06:00,694 INFO L93 Difference]: Finished difference Result 1203 states and 1463 transitions. [2024-12-02 12:06:00,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 12:06:00,695 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 122 [2024-12-02 12:06:00,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:06:00,697 INFO L225 Difference]: With dead ends: 1203 [2024-12-02 12:06:00,697 INFO L226 Difference]: Without dead ends: 578 [2024-12-02 12:06:00,697 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 243 GetRequests, 227 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=45, Invalid=261, Unknown=0, NotChecked=0, Total=306 [2024-12-02 12:06:00,698 INFO L435 NwaCegarLoop]: 158 mSDtfsCounter, 90 mSDsluCounter, 382 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 540 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-12-02 12:06:00,698 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 540 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-12-02 12:06:00,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 578 states. [2024-12-02 12:06:00,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 578 to 576. [2024-12-02 12:06:00,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 576 states, 509 states have (on average 1.174852652259332) internal successors, (598), 515 states have internal predecessors, (598), 52 states have call successors, (52), 14 states have call predecessors, (52), 14 states have return successors, (52), 46 states have call predecessors, (52), 52 states have call successors, (52) [2024-12-02 12:06:00,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 576 states and 702 transitions. [2024-12-02 12:06:00,770 INFO L78 Accepts]: Start accepts. Automaton has 576 states and 702 transitions. Word has length 122 [2024-12-02 12:06:00,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:06:00,770 INFO L471 AbstractCegarLoop]: Abstraction has 576 states and 702 transitions. [2024-12-02 12:06:00,770 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 12:06:00,770 INFO L276 IsEmpty]: Start isEmpty. Operand 576 states and 702 transitions. [2024-12-02 12:06:00,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-12-02 12:06:00,771 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:06:00,771 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:06:00,778 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:06:00,971 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:06:00,971 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:06:00,972 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:06:00,972 INFO L85 PathProgramCache]: Analyzing trace with hash -974367866, now seen corresponding path program 1 times [2024-12-02 12:06:00,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 12:06:00,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [770620971] [2024-12-02 12:06:00,972 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:06:00,972 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 12:06:00,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 12:06:00,974 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:06:00,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:06:01,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:06:01,426 INFO L256 TraceCheckSpWp]: Trace formula consists of 341 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-02 12:06:01,428 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:06:03,092 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 12:06:03,093 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 234 treesize of output 114 [2024-12-02 12:06:03,103 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 12:06:03,103 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 104 treesize of output 44 [2024-12-02 12:06:03,264 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2024-12-02 12:06:03,264 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 12:06:03,844 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-12-02 12:06:03,844 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 12:06:03,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [770620971] [2024-12-02 12:06:03,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [770620971] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 12:06:03,844 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 12:06:03,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 13 [2024-12-02 12:06:03,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457209465] [2024-12-02 12:06:03,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:06:03,845 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 12:06:03,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 12:06:03,845 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 12:06:03,845 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2024-12-02 12:06:03,845 INFO L87 Difference]: Start difference. First operand 576 states and 702 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 12:06:04,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:06:04,755 INFO L93 Difference]: Finished difference Result 1177 states and 1435 transitions. [2024-12-02 12:06:04,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 12:06:04,758 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 122 [2024-12-02 12:06:04,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:06:04,760 INFO L225 Difference]: With dead ends: 1177 [2024-12-02 12:06:04,760 INFO L226 Difference]: Without dead ends: 604 [2024-12-02 12:06:04,761 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 243 GetRequests, 231 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2024-12-02 12:06:04,761 INFO L435 NwaCegarLoop]: 217 mSDtfsCounter, 170 mSDsluCounter, 322 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 539 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-12-02 12:06:04,761 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 539 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-12-02 12:06:04,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 604 states. [2024-12-02 12:06:04,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 604 to 493. [2024-12-02 12:06:04,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 493 states, 440 states have (on average 1.165909090909091) internal successors, (513), 444 states have internal predecessors, (513), 40 states have call successors, (40), 12 states have call predecessors, (40), 12 states have return successors, (40), 36 states have call predecessors, (40), 40 states have call successors, (40) [2024-12-02 12:06:04,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 493 states and 593 transitions. [2024-12-02 12:06:04,814 INFO L78 Accepts]: Start accepts. Automaton has 493 states and 593 transitions. Word has length 122 [2024-12-02 12:06:04,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:06:04,814 INFO L471 AbstractCegarLoop]: Abstraction has 493 states and 593 transitions. [2024-12-02 12:06:04,814 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 12:06:04,814 INFO L276 IsEmpty]: Start isEmpty. Operand 493 states and 593 transitions. [2024-12-02 12:06:04,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-12-02 12:06:04,814 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:06:04,814 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:06:04,821 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:06:05,015 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:06:05,015 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:06:05,015 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:06:05,015 INFO L85 PathProgramCache]: Analyzing trace with hash -1483840956, now seen corresponding path program 1 times [2024-12-02 12:06:05,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 12:06:05,016 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [218172166] [2024-12-02 12:06:05,016 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:06:05,016 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 12:06:05,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 12:06:05,017 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:06:05,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:06:05,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:06:05,455 INFO L256 TraceCheckSpWp]: Trace formula consists of 341 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-12-02 12:06:05,457 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:06:09,638 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 12:06:09,639 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 184 treesize of output 94 [2024-12-02 12:06:09,650 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 12:06:09,650 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 154 treesize of output 64 [2024-12-02 12:06:09,880 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 124 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-12-02 12:06:09,880 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 12:06:10,919 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-12-02 12:06:10,919 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 12:06:10,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [218172166] [2024-12-02 12:06:10,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [218172166] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 12:06:10,919 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 12:06:10,920 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 16 [2024-12-02 12:06:10,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [75176654] [2024-12-02 12:06:10,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:06:10,920 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 12:06:10,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 12:06:10,920 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 12:06:10,920 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2024-12-02 12:06:10,920 INFO L87 Difference]: Start difference. First operand 493 states and 593 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 12:06:11,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:06:11,972 INFO L93 Difference]: Finished difference Result 1094 states and 1324 transitions. [2024-12-02 12:06:11,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 12:06:11,975 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 122 [2024-12-02 12:06:11,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:06:11,976 INFO L225 Difference]: With dead ends: 1094 [2024-12-02 12:06:11,976 INFO L226 Difference]: Without dead ends: 604 [2024-12-02 12:06:11,977 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 243 GetRequests, 228 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=42, Invalid=230, Unknown=0, NotChecked=0, Total=272 [2024-12-02 12:06:11,977 INFO L435 NwaCegarLoop]: 217 mSDtfsCounter, 73 mSDsluCounter, 436 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 653 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-12-02 12:06:11,977 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 653 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-12-02 12:06:11,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 604 states. [2024-12-02 12:06:12,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 604 to 493. [2024-12-02 12:06:12,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 493 states, 440 states have (on average 1.1613636363636364) internal successors, (511), 444 states have internal predecessors, (511), 40 states have call successors, (40), 12 states have call predecessors, (40), 12 states have return successors, (40), 36 states have call predecessors, (40), 40 states have call successors, (40) [2024-12-02 12:06:12,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 493 states and 591 transitions. [2024-12-02 12:06:12,034 INFO L78 Accepts]: Start accepts. Automaton has 493 states and 591 transitions. Word has length 122 [2024-12-02 12:06:12,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:06:12,035 INFO L471 AbstractCegarLoop]: Abstraction has 493 states and 591 transitions. [2024-12-02 12:06:12,035 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 12:06:12,035 INFO L276 IsEmpty]: Start isEmpty. Operand 493 states and 591 transitions. [2024-12-02 12:06:12,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-12-02 12:06:12,035 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:06:12,035 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:06:12,042 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:06:12,235 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 43 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:06:12,236 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:06:12,236 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:06:12,236 INFO L85 PathProgramCache]: Analyzing trace with hash -1876867966, now seen corresponding path program 1 times [2024-12-02 12:06:12,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 12:06:12,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1407925215] [2024-12-02 12:06:12,236 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:06:12,236 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 12:06:12,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 12:06:12,238 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:06:12,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:06:12,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:06:12,771 INFO L256 TraceCheckSpWp]: Trace formula consists of 341 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-12-02 12:06:12,773 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:06:14,395 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 19 [2024-12-02 12:06:14,982 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 12:06:14,982 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 64 treesize of output 24 [2024-12-02 12:06:15,157 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 12:06:15,157 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 197 treesize of output 77 [2024-12-02 12:06:15,657 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2024-12-02 12:06:15,657 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 12:06:16,789 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 12:06:16,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1407925215] [2024-12-02 12:06:16,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1407925215] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:06:16,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [819161818] [2024-12-02 12:06:16,789 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:06:16,790 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 12:06:16,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 12:06:16,791 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 12:06:16,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2024-12-02 12:06:20,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:06:20,107 INFO L256 TraceCheckSpWp]: Trace formula consists of 341 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-12-02 12:06:20,111 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:06:22,237 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 8 [2024-12-02 12:06:24,930 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2024-12-02 12:06:25,962 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 12:06:25,962 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 56 treesize of output 24 [2024-12-02 12:06:26,331 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 181 treesize of output 81 [2024-12-02 12:06:34,919 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2024-12-02 12:06:34,919 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 12:06:35,326 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [819161818] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:06:35,326 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 12:06:35,326 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 26 [2024-12-02 12:06:35,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146949487] [2024-12-02 12:06:35,326 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 12:06:35,326 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-12-02 12:06:35,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 12:06:35,327 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-12-02 12:06:35,327 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=123, Invalid=1065, Unknown=2, NotChecked=0, Total=1190 [2024-12-02 12:06:35,327 INFO L87 Difference]: Start difference. First operand 493 states and 591 transitions. Second operand has 27 states, 27 states have (on average 5.148148148148148) internal successors, (139), 26 states have internal predecessors, (139), 4 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2024-12-02 12:06:47,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:06:47,102 INFO L93 Difference]: Finished difference Result 1565 states and 1882 transitions. [2024-12-02 12:06:47,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-12-02 12:06:47,105 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 5.148148148148148) internal successors, (139), 26 states have internal predecessors, (139), 4 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) Word has length 122 [2024-12-02 12:06:47,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:06:47,107 INFO L225 Difference]: With dead ends: 1565 [2024-12-02 12:06:47,107 INFO L226 Difference]: Without dead ends: 1075 [2024-12-02 12:06:47,108 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 331 GetRequests, 282 SyntacticMatches, 3 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 502 ImplicationChecksByTransitivity, 15.0s TimeCoverageRelationStatistics Valid=281, Invalid=1973, Unknown=2, NotChecked=0, Total=2256 [2024-12-02 12:06:47,108 INFO L435 NwaCegarLoop]: 212 mSDtfsCounter, 473 mSDsluCounter, 2604 mSDsCounter, 0 mSdLazyCounter, 1957 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 473 SdHoareTripleChecker+Valid, 2816 SdHoareTripleChecker+Invalid, 2009 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 1957 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.2s IncrementalHoareTripleChecker+Time [2024-12-02 12:06:47,108 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [473 Valid, 2816 Invalid, 2009 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 1957 Invalid, 0 Unknown, 0 Unchecked, 9.2s Time] [2024-12-02 12:06:47,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1075 states. [2024-12-02 12:06:47,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1075 to 1047. [2024-12-02 12:06:47,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1047 states, 930 states have (on average 1.1655913978494623) internal successors, (1084), 941 states have internal predecessors, (1084), 90 states have call successors, (90), 26 states have call predecessors, (90), 26 states have return successors, (90), 79 states have call predecessors, (90), 90 states have call successors, (90) [2024-12-02 12:06:47,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1047 states to 1047 states and 1264 transitions. [2024-12-02 12:06:47,250 INFO L78 Accepts]: Start accepts. Automaton has 1047 states and 1264 transitions. Word has length 122 [2024-12-02 12:06:47,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:06:47,250 INFO L471 AbstractCegarLoop]: Abstraction has 1047 states and 1264 transitions. [2024-12-02 12:06:47,250 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 5.148148148148148) internal successors, (139), 26 states have internal predecessors, (139), 4 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2024-12-02 12:06:47,250 INFO L276 IsEmpty]: Start isEmpty. Operand 1047 states and 1264 transitions. [2024-12-02 12:06:47,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-02 12:06:47,251 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:06:47,251 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:06:47,258 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:06:47,463 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2024-12-02 12:06:47,651 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 44 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt [2024-12-02 12:06:47,652 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:06:47,652 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:06:47,652 INFO L85 PathProgramCache]: Analyzing trace with hash 179825352, now seen corresponding path program 1 times [2024-12-02 12:06:47,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 12:06:47,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1084391366] [2024-12-02 12:06:47,653 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:06:47,653 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 12:06:47,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 12:06:47,654 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:06:47,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:06:48,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:06:48,261 INFO L256 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-12-02 12:06:48,264 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:06:50,016 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 19 [2024-12-02 12:06:50,599 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 12:06:50,599 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 64 treesize of output 24 [2024-12-02 12:06:50,797 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 12:06:50,797 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 195 treesize of output 75 [2024-12-02 12:06:51,322 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 2 proven. 102 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2024-12-02 12:06:51,322 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 12:06:52,469 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 12:06:52,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1084391366] [2024-12-02 12:06:52,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1084391366] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:06:52,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [374886960] [2024-12-02 12:06:52,469 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:06:52,469 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 12:06:52,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 12:06:52,471 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 12:06:52,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2024-12-02 12:06:55,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:06:55,954 INFO L256 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-12-02 12:06:55,958 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:06:58,119 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2024-12-02 12:07:05,996 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2024-12-02 12:07:07,210 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 12:07:07,210 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 56 treesize of output 24 [2024-12-02 12:07:07,620 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 187 treesize of output 83 [2024-12-02 12:07:16,245 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 2 proven. 102 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2024-12-02 12:07:16,246 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 12:07:16,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [374886960] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:07:16,671 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 12:07:16,671 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 19] total 33 [2024-12-02 12:07:16,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1147053403] [2024-12-02 12:07:16,671 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 12:07:16,672 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-12-02 12:07:16,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 12:07:16,672 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-12-02 12:07:16,672 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=175, Invalid=1544, Unknown=3, NotChecked=0, Total=1722 [2024-12-02 12:07:16,673 INFO L87 Difference]: Start difference. First operand 1047 states and 1264 transitions. Second operand has 34 states, 32 states have (on average 4.65625) internal successors, (149), 31 states have internal predecessors, (149), 6 states have call successors, (22), 6 states have call predecessors, (22), 6 states have return successors, (22), 4 states have call predecessors, (22), 6 states have call successors, (22) [2024-12-02 12:07:30,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:07:30,536 INFO L93 Difference]: Finished difference Result 2697 states and 3250 transitions. [2024-12-02 12:07:30,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-12-02 12:07:30,537 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 32 states have (on average 4.65625) internal successors, (149), 31 states have internal predecessors, (149), 6 states have call successors, (22), 6 states have call predecessors, (22), 6 states have return successors, (22), 4 states have call predecessors, (22), 6 states have call successors, (22) Word has length 124 [2024-12-02 12:07:30,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:07:30,540 INFO L225 Difference]: With dead ends: 2697 [2024-12-02 12:07:30,540 INFO L226 Difference]: Without dead ends: 1653 [2024-12-02 12:07:30,542 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 344 GetRequests, 279 SyntacticMatches, 3 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 983 ImplicationChecksByTransitivity, 22.0s TimeCoverageRelationStatistics Valid=532, Invalid=3497, Unknown=3, NotChecked=0, Total=4032 [2024-12-02 12:07:30,542 INFO L435 NwaCegarLoop]: 153 mSDtfsCounter, 492 mSDsluCounter, 2408 mSDsCounter, 0 mSdLazyCounter, 2061 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 492 SdHoareTripleChecker+Valid, 2561 SdHoareTripleChecker+Invalid, 2134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 2061 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.5s IncrementalHoareTripleChecker+Time [2024-12-02 12:07:30,542 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [492 Valid, 2561 Invalid, 2134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 2061 Invalid, 0 Unknown, 0 Unchecked, 9.5s Time] [2024-12-02 12:07:30,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1653 states. [2024-12-02 12:07:30,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1653 to 1363. [2024-12-02 12:07:30,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1363 states, 1215 states have (on average 1.1621399176954732) internal successors, (1412), 1229 states have internal predecessors, (1412), 115 states have call successors, (115), 32 states have call predecessors, (115), 32 states have return successors, (115), 101 states have call predecessors, (115), 115 states have call successors, (115) [2024-12-02 12:07:30,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1363 states to 1363 states and 1642 transitions. [2024-12-02 12:07:30,728 INFO L78 Accepts]: Start accepts. Automaton has 1363 states and 1642 transitions. Word has length 124 [2024-12-02 12:07:30,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:07:30,728 INFO L471 AbstractCegarLoop]: Abstraction has 1363 states and 1642 transitions. [2024-12-02 12:07:30,728 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 32 states have (on average 4.65625) internal successors, (149), 31 states have internal predecessors, (149), 6 states have call successors, (22), 6 states have call predecessors, (22), 6 states have return successors, (22), 4 states have call predecessors, (22), 6 states have call successors, (22) [2024-12-02 12:07:30,728 INFO L276 IsEmpty]: Start isEmpty. Operand 1363 states and 1642 transitions. [2024-12-02 12:07:30,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-02 12:07:30,729 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:07:30,729 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:07:30,736 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:07:30,942 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2024-12-02 12:07:31,129 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 46 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt [2024-12-02 12:07:31,130 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:07:31,130 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:07:31,130 INFO L85 PathProgramCache]: Analyzing trace with hash 220500102, now seen corresponding path program 1 times [2024-12-02 12:07:31,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 12:07:31,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [863772898] [2024-12-02 12:07:31,130 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:07:31,130 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 12:07:31,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 12:07:31,132 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:07:31,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (48)] Waiting until timeout for monitored process [2024-12-02 12:07:31,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:07:31,531 INFO L256 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-02 12:07:31,532 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:07:31,587 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2024-12-02 12:07:31,587 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 12:07:31,587 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 12:07:31,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [863772898] [2024-12-02 12:07:31,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [863772898] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:07:31,587 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:07:31,587 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 12:07:31,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956164214] [2024-12-02 12:07:31,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:07:31,587 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 12:07:31,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 12:07:31,588 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 12:07:31,588 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 12:07:31,588 INFO L87 Difference]: Start difference. First operand 1363 states and 1642 transitions. Second operand has 6 states, 5 states have (on average 15.6) internal successors, (78), 6 states have internal predecessors, (78), 3 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (11), 2 states have call predecessors, (11), 3 states have call successors, (11) [2024-12-02 12:07:31,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:07:31,980 INFO L93 Difference]: Finished difference Result 2320 states and 2792 transitions. [2024-12-02 12:07:31,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 12:07:31,980 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.6) internal successors, (78), 6 states have internal predecessors, (78), 3 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (11), 2 states have call predecessors, (11), 3 states have call successors, (11) Word has length 124 [2024-12-02 12:07:31,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:07:31,981 INFO L225 Difference]: With dead ends: 2320 [2024-12-02 12:07:31,981 INFO L226 Difference]: Without dead ends: 0 [2024-12-02 12:07:31,982 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-12-02 12:07:31,983 INFO L435 NwaCegarLoop]: 127 mSDtfsCounter, 1 mSDsluCounter, 467 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 594 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 12:07:31,983 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 594 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 12:07:31,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-12-02 12:07:31,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-12-02 12:07:31,983 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 12:07:31,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-12-02 12:07:31,983 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 124 [2024-12-02 12:07:31,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:07:31,983 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-12-02 12:07:31,984 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.6) internal successors, (78), 6 states have internal predecessors, (78), 3 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (11), 2 states have call predecessors, (11), 3 states have call successors, (11) [2024-12-02 12:07:31,984 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-12-02 12:07:31,984 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-02 12:07:31,985 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 12:07:31,994 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (48)] Ended with exit code 0 [2024-12-02 12:07:32,186 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 48 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93e9027-b8c0-497f-8d67-3328f68e0618/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:07:32,188 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] [2024-12-02 12:07:32,189 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-12-02 12:08:02,915 WARN L286 SmtUtils]: Spent 29.55s on a formula simplification. DAG size of input: 235 DAG size of output: 236 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-12-02 12:09:00,767 WARN L286 SmtUtils]: Spent 57.85s on a formula simplification. DAG size of input: 282 DAG size of output: 285 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-12-02 12:09:31,383 WARN L286 SmtUtils]: Spent 29.66s on a formula simplification. DAG size of input: 240 DAG size of output: 241 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-12-02 12:10:01,304 WARN L286 SmtUtils]: Spent 29.40s on a formula simplification. DAG size of input: 235 DAG size of output: 236 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-12-02 12:10:59,637 WARN L286 SmtUtils]: Spent 57.62s on a formula simplification. DAG size of input: 282 DAG size of output: 285 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-12-02 12:11:59,961 WARN L286 SmtUtils]: Spent 57.98s on a formula simplification. DAG size of input: 282 DAG size of output: 285 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-12-02 12:12:19,008 WARN L286 SmtUtils]: Spent 19.05s on a formula simplification. DAG size of input: 248 DAG size of output: 253 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-12-02 12:13:21,004 WARN L286 SmtUtils]: Spent 1.03m on a formula simplification. DAG size of input: 273 DAG size of output: 272 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or)