./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-96.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_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-96.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB --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 a853c07cdb9387b63b93be13a2dc9697d60053474c0652611eb00fce1c18c0e9 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 02:55:28,914 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 02:55:29,004 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-28 02:55:29,012 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 02:55:29,013 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 02:55:29,062 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 02:55:29,064 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 02:55:29,065 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 02:55:29,066 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 02:55:29,066 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 02:55:29,066 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 02:55:29,066 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 02:55:29,067 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 02:55:29,067 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 02:55:29,067 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 02:55:29,067 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 02:55:29,069 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 02:55:29,069 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 02:55:29,069 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 02:55:29,070 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 02:55:29,070 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 02:55:29,070 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 02:55:29,070 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 02:55:29,070 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 02:55:29,070 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 02:55:29,070 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 02:55:29,071 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 02:55:29,071 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 02:55:29,071 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 02:55:29,071 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:55:29,071 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:55:29,071 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:55:29,071 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:55:29,071 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 02:55:29,071 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:55:29,072 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:55:29,072 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:55:29,072 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:55:29,072 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 02:55:29,072 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 02:55:29,072 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 02:55:29,072 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 02:55:29,072 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 02:55:29,072 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 02:55:29,072 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 02:55:29,072 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 02:55:29,073 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 02:55:29,073 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 02:55:29,073 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_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB 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 -> a853c07cdb9387b63b93be13a2dc9697d60053474c0652611eb00fce1c18c0e9 [2024-11-28 02:55:29,411 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 02:55:29,428 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 02:55:29,431 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 02:55:29,434 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 02:55:29,434 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 02:55:29,437 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-96.i [2024-11-28 02:55:32,730 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/data/2116d8de4/4ade86829a7f49ee859acfedb2fce8b5/FLAG6e6601e48 [2024-11-28 02:55:33,185 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 02:55:33,186 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-96.i [2024-11-28 02:55:33,203 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/data/2116d8de4/4ade86829a7f49ee859acfedb2fce8b5/FLAG6e6601e48 [2024-11-28 02:55:33,225 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/data/2116d8de4/4ade86829a7f49ee859acfedb2fce8b5 [2024-11-28 02:55:33,230 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 02:55:33,232 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 02:55:33,235 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 02:55:33,237 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 02:55:33,243 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 02:55:33,245 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:55:33" (1/1) ... [2024-11-28 02:55:33,247 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70aee938 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:55:33, skipping insertion in model container [2024-11-28 02:55:33,247 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:55:33" (1/1) ... [2024-11-28 02:55:33,276 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 02:55:33,481 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_7fd09000-f42b-4a55-967d-560cee430e77/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-96.i[916,929] [2024-11-28 02:55:33,590 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:55:33,605 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 02:55:33,619 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_7fd09000-f42b-4a55-967d-560cee430e77/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-96.i[916,929] [2024-11-28 02:55:33,656 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:55:33,679 INFO L204 MainTranslator]: Completed translation [2024-11-28 02:55:33,679 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:55:33 WrapperNode [2024-11-28 02:55:33,680 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 02:55:33,681 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 02:55:33,681 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 02:55:33,681 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 02:55:33,693 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:55:33" (1/1) ... [2024-11-28 02:55:33,706 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:55:33" (1/1) ... [2024-11-28 02:55:33,755 INFO L138 Inliner]: procedures = 29, calls = 169, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 519 [2024-11-28 02:55:33,755 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 02:55:33,756 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 02:55:33,756 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 02:55:33,756 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 02:55:33,767 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:55:33" (1/1) ... [2024-11-28 02:55:33,768 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:55:33" (1/1) ... [2024-11-28 02:55:33,773 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:55:33" (1/1) ... [2024-11-28 02:55:33,811 INFO L175 MemorySlicer]: Split 127 memory accesses to 16 slices as follows [2, 15, 6, 14, 12, 6, 8, 6, 6, 5, 10, 10, 15, 3, 3, 6]. 12 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]. The 18 writes are split as follows [0, 2, 1, 1, 1, 2, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1]. [2024-11-28 02:55:33,812 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:55:33" (1/1) ... [2024-11-28 02:55:33,812 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:55:33" (1/1) ... [2024-11-28 02:55:33,850 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:55:33" (1/1) ... [2024-11-28 02:55:33,851 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:55:33" (1/1) ... [2024-11-28 02:55:33,863 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:55:33" (1/1) ... [2024-11-28 02:55:33,872 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:55:33" (1/1) ... [2024-11-28 02:55:33,879 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:55:33" (1/1) ... [2024-11-28 02:55:33,894 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 02:55:33,895 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 02:55:33,895 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 02:55:33,895 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 02:55:33,899 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:55:33" (1/1) ... [2024-11-28 02:55:33,913 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:55:33,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:55:33,955 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 02:55:33,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 02:55:33,995 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 02:55:33,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-11-28 02:55:33,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-11-28 02:55:33,996 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2024-11-28 02:55:33,996 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2024-11-28 02:55:33,996 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2024-11-28 02:55:33,996 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2024-11-28 02:55:33,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2024-11-28 02:55:33,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2024-11-28 02:55:33,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#8 [2024-11-28 02:55:33,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#9 [2024-11-28 02:55:33,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#10 [2024-11-28 02:55:33,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#11 [2024-11-28 02:55:33,998 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#12 [2024-11-28 02:55:33,998 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#13 [2024-11-28 02:55:33,998 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#14 [2024-11-28 02:55:33,999 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#15 [2024-11-28 02:55:33,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-28 02:55:33,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-28 02:55:33,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-28 02:55:34,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-28 02:55:34,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-28 02:55:34,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-28 02:55:34,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-28 02:55:34,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-28 02:55:34,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-28 02:55:34,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-28 02:55:34,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-28 02:55:34,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-28 02:55:34,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-28 02:55:34,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-28 02:55:34,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-28 02:55:34,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-28 02:55:34,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2024-11-28 02:55:34,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2024-11-28 02:55:34,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2024-11-28 02:55:34,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2024-11-28 02:55:34,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2024-11-28 02:55:34,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2024-11-28 02:55:34,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#6 [2024-11-28 02:55:34,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#7 [2024-11-28 02:55:34,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#8 [2024-11-28 02:55:34,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#9 [2024-11-28 02:55:34,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#10 [2024-11-28 02:55:34,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#11 [2024-11-28 02:55:34,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#12 [2024-11-28 02:55:34,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#13 [2024-11-28 02:55:34,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#14 [2024-11-28 02:55:34,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#15 [2024-11-28 02:55:34,003 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-28 02:55:34,003 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-28 02:55:34,003 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-28 02:55:34,004 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-28 02:55:34,004 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-28 02:55:34,004 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-28 02:55:34,004 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-28 02:55:34,004 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-28 02:55:34,004 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-28 02:55:34,004 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-28 02:55:34,004 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-28 02:55:34,004 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-28 02:55:34,004 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-28 02:55:34,004 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-28 02:55:34,007 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-28 02:55:34,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-28 02:55:34,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2024-11-28 02:55:34,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2024-11-28 02:55:34,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2024-11-28 02:55:34,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2024-11-28 02:55:34,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2024-11-28 02:55:34,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#5 [2024-11-28 02:55:34,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#6 [2024-11-28 02:55:34,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#7 [2024-11-28 02:55:34,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#8 [2024-11-28 02:55:34,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#9 [2024-11-28 02:55:34,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#10 [2024-11-28 02:55:34,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#11 [2024-11-28 02:55:34,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#12 [2024-11-28 02:55:34,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#13 [2024-11-28 02:55:34,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#14 [2024-11-28 02:55:34,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#15 [2024-11-28 02:55:34,012 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 02:55:34,012 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 02:55:34,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 02:55:34,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-28 02:55:34,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-28 02:55:34,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-28 02:55:34,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-28 02:55:34,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-28 02:55:34,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-28 02:55:34,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-28 02:55:34,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-28 02:55:34,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-28 02:55:34,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-28 02:55:34,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-28 02:55:34,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-28 02:55:34,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-28 02:55:34,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-28 02:55:34,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-28 02:55:34,013 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 02:55:34,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 02:55:34,326 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 02:55:34,328 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 02:55:35,077 INFO L? ?]: Removed 113 outVars from TransFormulas that were not future-live. [2024-11-28 02:55:35,077 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 02:55:35,096 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 02:55:35,097 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 02:55:35,097 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:55:35 BoogieIcfgContainer [2024-11-28 02:55:35,097 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 02:55:35,102 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 02:55:35,102 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 02:55:35,113 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 02:55:35,113 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:55:33" (1/3) ... [2024-11-28 02:55:35,114 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cd7b03b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:55:35, skipping insertion in model container [2024-11-28 02:55:35,115 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:55:33" (2/3) ... [2024-11-28 02:55:35,116 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cd7b03b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:55:35, skipping insertion in model container [2024-11-28 02:55:35,117 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:55:35" (3/3) ... [2024-11-28 02:55:35,119 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-p_file-96.i [2024-11-28 02:55:35,139 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 02:55:35,142 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-p_file-96.i that has 2 procedures, 108 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 02:55:35,237 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 02:55:35,253 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;@1a7ace74, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 02:55:35,253 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 02:55:35,258 INFO L276 IsEmpty]: Start isEmpty. Operand has 108 states, 89 states have (on average 1.4269662921348314) internal successors, (127), 90 states have internal predecessors, (127), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-28 02:55:35,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-28 02:55:35,272 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:55:35,273 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:55:35,274 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:55:35,320 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:55:35,320 INFO L85 PathProgramCache]: Analyzing trace with hash -1336021733, now seen corresponding path program 1 times [2024-11-28 02:55:35,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:55:35,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1284431785] [2024-11-28 02:55:35,332 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:55:35,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:55:35,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:55:35,845 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 450 trivial. 0 not checked. [2024-11-28 02:55:35,846 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:55:35,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1284431785] [2024-11-28 02:55:35,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1284431785] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:55:35,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [945148533] [2024-11-28 02:55:35,850 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:55:35,851 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:55:35,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:55:35,855 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:55:35,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 02:55:36,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:55:36,371 INFO L256 TraceCheckSpWp]: Trace formula consists of 596 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 02:55:36,383 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:55:36,427 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 450 trivial. 0 not checked. [2024-11-28 02:55:36,427 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:55:36,428 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [945148533] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:55:36,428 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:55:36,428 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-28 02:55:36,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950478705] [2024-11-28 02:55:36,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:55:36,439 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 02:55:36,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:55:36,467 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 02:55:36,467 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 02:55:36,471 INFO L87 Difference]: Start difference. First operand has 108 states, 89 states have (on average 1.4269662921348314) internal successors, (127), 90 states have internal predecessors, (127), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-28 02:55:36,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:55:36,521 INFO L93 Difference]: Finished difference Result 209 states and 328 transitions. [2024-11-28 02:55:36,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 02:55:36,524 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) Word has length 131 [2024-11-28 02:55:36,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:55:36,531 INFO L225 Difference]: With dead ends: 209 [2024-11-28 02:55:36,532 INFO L226 Difference]: Without dead ends: 104 [2024-11-28 02:55:36,539 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 02:55:36,544 INFO L435 NwaCegarLoop]: 152 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, 152 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 [2024-11-28 02:55:36,545 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:55:36,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2024-11-28 02:55:36,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2024-11-28 02:55:36,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 86 states have (on average 1.3953488372093024) internal successors, (120), 86 states have internal predecessors, (120), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-28 02:55:36,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 152 transitions. [2024-11-28 02:55:36,616 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 152 transitions. Word has length 131 [2024-11-28 02:55:36,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:55:36,617 INFO L471 AbstractCegarLoop]: Abstraction has 104 states and 152 transitions. [2024-11-28 02:55:36,617 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-28 02:55:36,617 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 152 transitions. [2024-11-28 02:55:36,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-28 02:55:36,625 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:55:36,626 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:55:36,635 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-28 02:55:36,827 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-28 02:55:36,827 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:55:36,828 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:55:36,828 INFO L85 PathProgramCache]: Analyzing trace with hash -1168156737, now seen corresponding path program 1 times [2024-11-28 02:55:36,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:55:36,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2095975282] [2024-11-28 02:55:36,829 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:55:36,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:55:37,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:55:37,471 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-28 02:55:37,474 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:55:37,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2095975282] [2024-11-28 02:55:37,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2095975282] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:55:37,474 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:55:37,474 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 02:55:37,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677442048] [2024-11-28 02:55:37,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:55:37,475 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:55:37,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:55:37,476 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:55:37,476 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:55:37,478 INFO L87 Difference]: Start difference. First operand 104 states and 152 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 02:55:37,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:55:37,553 INFO L93 Difference]: Finished difference Result 208 states and 305 transitions. [2024-11-28 02:55:37,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:55:37,554 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 131 [2024-11-28 02:55:37,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:55:37,556 INFO L225 Difference]: With dead ends: 208 [2024-11-28 02:55:37,556 INFO L226 Difference]: Without dead ends: 107 [2024-11-28 02:55:37,557 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 [2024-11-28 02:55:37,561 INFO L435 NwaCegarLoop]: 149 mSDtfsCounter, 1 mSDsluCounter, 287 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 436 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:55:37,561 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 436 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:55:37,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2024-11-28 02:55:37,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 106. [2024-11-28 02:55:37,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 88 states have (on average 1.3863636363636365) internal successors, (122), 88 states have internal predecessors, (122), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-28 02:55:37,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 154 transitions. [2024-11-28 02:55:37,589 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 154 transitions. Word has length 131 [2024-11-28 02:55:37,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:55:37,591 INFO L471 AbstractCegarLoop]: Abstraction has 106 states and 154 transitions. [2024-11-28 02:55:37,591 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 02:55:37,592 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 154 transitions. [2024-11-28 02:55:37,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-28 02:55:37,598 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:55:37,598 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:55:37,599 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 02:55:37,599 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:55:37,599 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:55:37,599 INFO L85 PathProgramCache]: Analyzing trace with hash -488098367, now seen corresponding path program 1 times [2024-11-28 02:55:37,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:55:37,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1481422482] [2024-11-28 02:55:37,600 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:55:37,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:55:37,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:55:38,025 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-28 02:55:38,025 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:55:38,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1481422482] [2024-11-28 02:55:38,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1481422482] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:55:38,026 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:55:38,026 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 02:55:38,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302689195] [2024-11-28 02:55:38,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:55:38,027 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:55:38,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:55:38,027 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:55:38,031 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:55:38,031 INFO L87 Difference]: Start difference. First operand 106 states and 154 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 02:55:38,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:55:38,103 INFO L93 Difference]: Finished difference Result 212 states and 309 transitions. [2024-11-28 02:55:38,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:55:38,104 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 131 [2024-11-28 02:55:38,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:55:38,106 INFO L225 Difference]: With dead ends: 212 [2024-11-28 02:55:38,106 INFO L226 Difference]: Without dead ends: 109 [2024-11-28 02:55:38,111 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 [2024-11-28 02:55:38,112 INFO L435 NwaCegarLoop]: 149 mSDtfsCounter, 1 mSDsluCounter, 288 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 437 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:55:38,112 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 437 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:55:38,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2024-11-28 02:55:38,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 108. [2024-11-28 02:55:38,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 90 states have (on average 1.3777777777777778) internal successors, (124), 90 states have internal predecessors, (124), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-28 02:55:38,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 156 transitions. [2024-11-28 02:55:38,137 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 156 transitions. Word has length 131 [2024-11-28 02:55:38,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:55:38,138 INFO L471 AbstractCegarLoop]: Abstraction has 108 states and 156 transitions. [2024-11-28 02:55:38,138 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 02:55:38,139 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 156 transitions. [2024-11-28 02:55:38,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-28 02:55:38,145 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:55:38,145 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:55:38,145 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 02:55:38,145 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:55:38,146 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:55:38,146 INFO L85 PathProgramCache]: Analyzing trace with hash 1286908995, now seen corresponding path program 1 times [2024-11-28 02:55:38,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:55:38,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206180890] [2024-11-28 02:55:38,146 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:55:38,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:55:38,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:55:38,458 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-28 02:55:38,458 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:55:38,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1206180890] [2024-11-28 02:55:38,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1206180890] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:55:38,458 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:55:38,458 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 02:55:38,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762117578] [2024-11-28 02:55:38,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:55:38,459 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:55:38,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:55:38,460 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:55:38,460 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:55:38,460 INFO L87 Difference]: Start difference. First operand 108 states and 156 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 02:55:38,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:55:38,512 INFO L93 Difference]: Finished difference Result 216 states and 313 transitions. [2024-11-28 02:55:38,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:55:38,515 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 131 [2024-11-28 02:55:38,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:55:38,516 INFO L225 Difference]: With dead ends: 216 [2024-11-28 02:55:38,516 INFO L226 Difference]: Without dead ends: 111 [2024-11-28 02:55:38,517 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 [2024-11-28 02:55:38,520 INFO L435 NwaCegarLoop]: 149 mSDtfsCounter, 1 mSDsluCounter, 290 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 439 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:55:38,521 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 439 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:55:38,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2024-11-28 02:55:38,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 110. [2024-11-28 02:55:38,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 92 states have (on average 1.3695652173913044) internal successors, (126), 92 states have internal predecessors, (126), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-28 02:55:38,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 158 transitions. [2024-11-28 02:55:38,537 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 158 transitions. Word has length 131 [2024-11-28 02:55:38,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:55:38,539 INFO L471 AbstractCegarLoop]: Abstraction has 110 states and 158 transitions. [2024-11-28 02:55:38,539 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 02:55:38,539 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 158 transitions. [2024-11-28 02:55:38,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-28 02:55:38,542 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:55:38,542 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:55:38,542 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 02:55:38,542 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:55:38,542 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:55:38,543 INFO L85 PathProgramCache]: Analyzing trace with hash 1288756037, now seen corresponding path program 1 times [2024-11-28 02:55:38,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:55:38,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1713003777] [2024-11-28 02:55:38,543 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:55:38,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:55:38,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:55:38,999 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-28 02:55:38,999 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:55:38,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1713003777] [2024-11-28 02:55:39,000 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1713003777] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:55:39,000 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:55:39,000 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 02:55:39,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2454611] [2024-11-28 02:55:39,000 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:55:39,001 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:55:39,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:55:39,003 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:55:39,003 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:55:39,003 INFO L87 Difference]: Start difference. First operand 110 states and 158 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 02:55:39,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:55:39,111 INFO L93 Difference]: Finished difference Result 219 states and 316 transitions. [2024-11-28 02:55:39,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 02:55:39,114 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 131 [2024-11-28 02:55:39,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:55:39,116 INFO L225 Difference]: With dead ends: 219 [2024-11-28 02:55:39,116 INFO L226 Difference]: Without dead ends: 112 [2024-11-28 02:55:39,126 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-28 02:55:39,127 INFO L435 NwaCegarLoop]: 148 mSDtfsCounter, 1 mSDsluCounter, 419 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 567 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:55:39,130 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 567 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 02:55:39,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2024-11-28 02:55:39,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2024-11-28 02:55:39,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 94 states have (on average 1.3617021276595744) internal successors, (128), 94 states have internal predecessors, (128), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-28 02:55:39,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 160 transitions. [2024-11-28 02:55:39,149 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 160 transitions. Word has length 131 [2024-11-28 02:55:39,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:55:39,150 INFO L471 AbstractCegarLoop]: Abstraction has 112 states and 160 transitions. [2024-11-28 02:55:39,150 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 02:55:39,150 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 160 transitions. [2024-11-28 02:55:39,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-28 02:55:39,153 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:55:39,153 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:55:39,153 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 02:55:39,156 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:55:39,156 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:55:39,156 INFO L85 PathProgramCache]: Analyzing trace with hash -400187705, now seen corresponding path program 1 times [2024-11-28 02:55:39,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:55:39,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [526804835] [2024-11-28 02:55:39,157 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:55:39,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:55:39,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:55:40,917 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-28 02:55:40,917 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:55:40,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [526804835] [2024-11-28 02:55:40,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [526804835] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:55:40,917 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:55:40,917 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-28 02:55:40,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102204174] [2024-11-28 02:55:40,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:55:40,918 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 02:55:40,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:55:40,919 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 02:55:40,919 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-28 02:55:40,919 INFO L87 Difference]: Start difference. First operand 112 states and 160 transitions. Second operand has 8 states, 7 states have (on average 7.714285714285714) internal successors, (54), 8 states have internal predecessors, (54), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 3 states have call predecessors, (16), 4 states have call successors, (16) [2024-11-28 02:55:41,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:55:41,430 INFO L93 Difference]: Finished difference Result 294 states and 419 transitions. [2024-11-28 02:55:41,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 02:55:41,432 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 7.714285714285714) internal successors, (54), 8 states have internal predecessors, (54), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 3 states have call predecessors, (16), 4 states have call successors, (16) Word has length 131 [2024-11-28 02:55:41,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:55:41,434 INFO L225 Difference]: With dead ends: 294 [2024-11-28 02:55:41,434 INFO L226 Difference]: Without dead ends: 185 [2024-11-28 02:55:41,435 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2024-11-28 02:55:41,438 INFO L435 NwaCegarLoop]: 178 mSDtfsCounter, 415 mSDsluCounter, 576 mSDsCounter, 0 mSdLazyCounter, 193 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 415 SdHoareTripleChecker+Valid, 754 SdHoareTripleChecker+Invalid, 230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 02:55:41,439 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [415 Valid, 754 Invalid, 230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 193 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 02:55:41,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2024-11-28 02:55:41,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 182. [2024-11-28 02:55:41,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 159 states have (on average 1.3773584905660377) internal successors, (219), 160 states have internal predecessors, (219), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 19 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-28 02:55:41,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 259 transitions. [2024-11-28 02:55:41,476 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 259 transitions. Word has length 131 [2024-11-28 02:55:41,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:55:41,477 INFO L471 AbstractCegarLoop]: Abstraction has 182 states and 259 transitions. [2024-11-28 02:55:41,477 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 7.714285714285714) internal successors, (54), 8 states have internal predecessors, (54), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 3 states have call predecessors, (16), 4 states have call successors, (16) [2024-11-28 02:55:41,477 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 259 transitions. [2024-11-28 02:55:41,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-28 02:55:41,479 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:55:41,483 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:55:41,484 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 02:55:41,484 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:55:41,484 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:55:41,488 INFO L85 PathProgramCache]: Analyzing trace with hash -1788294046, now seen corresponding path program 1 times [2024-11-28 02:55:41,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:55:41,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [233466578] [2024-11-28 02:55:41,489 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:55:41,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:55:41,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:55:41,665 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-28 02:55:41,665 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:55:41,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [233466578] [2024-11-28 02:55:41,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [233466578] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:55:41,665 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:55:41,665 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:55:41,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927947728] [2024-11-28 02:55:41,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:55:41,666 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:55:41,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:55:41,667 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:55:41,667 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:55:41,667 INFO L87 Difference]: Start difference. First operand 182 states and 259 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, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 02:55:41,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:55:41,731 INFO L93 Difference]: Finished difference Result 399 states and 566 transitions. [2024-11-28 02:55:41,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:55:41,733 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, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 133 [2024-11-28 02:55:41,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:55:41,738 INFO L225 Difference]: With dead ends: 399 [2024-11-28 02:55:41,738 INFO L226 Difference]: Without dead ends: 220 [2024-11-28 02:55:41,739 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:55:41,740 INFO L435 NwaCegarLoop]: 219 mSDtfsCounter, 66 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 356 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:55:41,740 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 356 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:55:41,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2024-11-28 02:55:41,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 182. [2024-11-28 02:55:41,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 159 states have (on average 1.371069182389937) internal successors, (218), 160 states have internal predecessors, (218), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 19 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-28 02:55:41,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 258 transitions. [2024-11-28 02:55:41,771 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 258 transitions. Word has length 133 [2024-11-28 02:55:41,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:55:41,772 INFO L471 AbstractCegarLoop]: Abstraction has 182 states and 258 transitions. [2024-11-28 02:55:41,772 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, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 02:55:41,772 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 258 transitions. [2024-11-28 02:55:41,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-28 02:55:41,775 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:55:41,775 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:55:41,775 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-28 02:55:41,775 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:55:41,776 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:55:41,776 INFO L85 PathProgramCache]: Analyzing trace with hash -748412699, now seen corresponding path program 1 times [2024-11-28 02:55:41,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:55:41,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1220666433] [2024-11-28 02:55:41,777 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:55:41,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:55:41,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:55:42,175 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2024-11-28 02:55:42,175 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:55:42,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1220666433] [2024-11-28 02:55:42,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1220666433] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:55:42,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1486690892] [2024-11-28 02:55:42,176 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:55:42,176 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:55:42,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:55:42,178 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:55:42,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 02:55:42,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:55:42,623 INFO L256 TraceCheckSpWp]: Trace formula consists of 589 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 02:55:42,633 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:55:42,701 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-28 02:55:42,701 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:55:42,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1486690892] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:55:42,702 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:55:42,702 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 8 [2024-11-28 02:55:42,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [807931661] [2024-11-28 02:55:42,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:55:42,702 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:55:42,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:55:42,703 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:55:42,703 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-28 02:55:42,704 INFO L87 Difference]: Start difference. First operand 182 states and 258 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 02:55:42,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:55:42,771 INFO L93 Difference]: Finished difference Result 367 states and 521 transitions. [2024-11-28 02:55:42,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 02:55:42,776 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 133 [2024-11-28 02:55:42,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:55:42,778 INFO L225 Difference]: With dead ends: 367 [2024-11-28 02:55:42,778 INFO L226 Difference]: Without dead ends: 188 [2024-11-28 02:55:42,779 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-28 02:55:42,782 INFO L435 NwaCegarLoop]: 149 mSDtfsCounter, 0 mSDsluCounter, 430 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 579 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:55:42,783 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 579 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:55:42,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2024-11-28 02:55:42,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 188. [2024-11-28 02:55:42,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 188 states, 165 states have (on average 1.3575757575757577) internal successors, (224), 166 states have internal predecessors, (224), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 19 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-28 02:55:42,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 264 transitions. [2024-11-28 02:55:42,808 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 264 transitions. Word has length 133 [2024-11-28 02:55:42,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:55:42,809 INFO L471 AbstractCegarLoop]: Abstraction has 188 states and 264 transitions. [2024-11-28 02:55:42,809 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 02:55:42,809 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 264 transitions. [2024-11-28 02:55:42,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-28 02:55:42,811 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:55:42,811 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:55:42,823 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-28 02:55:43,011 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-11-28 02:55:43,012 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:55:43,012 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:55:43,013 INFO L85 PathProgramCache]: Analyzing trace with hash 984855584, now seen corresponding path program 1 times [2024-11-28 02:55:43,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:55:43,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [703231138] [2024-11-28 02:55:43,013 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:55:43,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:55:43,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:55:43,166 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-28 02:55:43,166 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:55:43,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [703231138] [2024-11-28 02:55:43,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [703231138] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:55:43,167 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:55:43,167 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:55:43,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035929573] [2024-11-28 02:55:43,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:55:43,167 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:55:43,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:55:43,168 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:55:43,168 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:55:43,169 INFO L87 Difference]: Start difference. First operand 188 states and 264 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, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 02:55:43,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:55:43,226 INFO L93 Difference]: Finished difference Result 372 states and 521 transitions. [2024-11-28 02:55:43,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:55:43,228 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, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 133 [2024-11-28 02:55:43,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:55:43,230 INFO L225 Difference]: With dead ends: 372 [2024-11-28 02:55:43,231 INFO L226 Difference]: Without dead ends: 187 [2024-11-28 02:55:43,231 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:55:43,233 INFO L435 NwaCegarLoop]: 162 mSDtfsCounter, 64 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 304 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:55:43,233 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 304 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:55:43,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2024-11-28 02:55:43,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 184. [2024-11-28 02:55:43,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 161 states have (on average 1.3478260869565217) internal successors, (217), 162 states have internal predecessors, (217), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 19 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-28 02:55:43,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 257 transitions. [2024-11-28 02:55:43,256 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 257 transitions. Word has length 133 [2024-11-28 02:55:43,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:55:43,256 INFO L471 AbstractCegarLoop]: Abstraction has 184 states and 257 transitions. [2024-11-28 02:55:43,256 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, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 02:55:43,257 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 257 transitions. [2024-11-28 02:55:43,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-28 02:55:43,260 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:55:43,260 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:55:43,260 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-28 02:55:43,261 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:55:43,261 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:55:43,261 INFO L85 PathProgramCache]: Analyzing trace with hash -1545476357, now seen corresponding path program 1 times [2024-11-28 02:55:43,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:55:43,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891529879] [2024-11-28 02:55:43,261 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:55:43,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:55:43,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:55:43,609 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-28 02:55:43,610 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:55:43,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [891529879] [2024-11-28 02:55:43,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [891529879] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:55:43,610 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:55:43,610 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 02:55:43,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50799297] [2024-11-28 02:55:43,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:55:43,611 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:55:43,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:55:43,613 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:55:43,613 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:55:43,613 INFO L87 Difference]: Start difference. First operand 184 states and 257 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, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 02:55:43,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:55:43,842 INFO L93 Difference]: Finished difference Result 538 states and 748 transitions. [2024-11-28 02:55:43,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:55:43,845 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, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 135 [2024-11-28 02:55:43,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:55:43,848 INFO L225 Difference]: With dead ends: 538 [2024-11-28 02:55:43,848 INFO L226 Difference]: Without dead ends: 357 [2024-11-28 02:55:43,849 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 [2024-11-28 02:55:43,853 INFO L435 NwaCegarLoop]: 143 mSDtfsCounter, 248 mSDsluCounter, 284 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 248 SdHoareTripleChecker+Valid, 427 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 02:55:43,853 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [248 Valid, 427 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 02:55:43,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states. [2024-11-28 02:55:43,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 300. [2024-11-28 02:55:43,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 300 states, 255 states have (on average 1.3254901960784313) internal successors, (338), 257 states have internal predecessors, (338), 40 states have call successors, (40), 4 states have call predecessors, (40), 4 states have return successors, (40), 38 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-28 02:55:43,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 300 states and 418 transitions. [2024-11-28 02:55:43,904 INFO L78 Accepts]: Start accepts. Automaton has 300 states and 418 transitions. Word has length 135 [2024-11-28 02:55:43,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:55:43,904 INFO L471 AbstractCegarLoop]: Abstraction has 300 states and 418 transitions. [2024-11-28 02:55:43,905 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, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 02:55:43,905 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 418 transitions. [2024-11-28 02:55:43,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-28 02:55:43,908 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:55:43,908 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:55:43,908 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-28 02:55:43,908 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:55:43,909 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:55:43,909 INFO L85 PathProgramCache]: Analyzing trace with hash -254156006, now seen corresponding path program 1 times [2024-11-28 02:55:43,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:55:43,909 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [525451118] [2024-11-28 02:55:43,909 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:55:43,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:55:43,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:55:44,166 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-28 02:55:44,166 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:55:44,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [525451118] [2024-11-28 02:55:44,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [525451118] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:55:44,167 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:55:44,167 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 02:55:44,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904572262] [2024-11-28 02:55:44,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:55:44,168 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:55:44,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:55:44,170 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:55:44,170 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:55:44,171 INFO L87 Difference]: Start difference. First operand 300 states and 418 transitions. Second operand has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 02:55:44,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:55:44,264 INFO L93 Difference]: Finished difference Result 592 states and 825 transitions. [2024-11-28 02:55:44,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:55:44,265 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), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 136 [2024-11-28 02:55:44,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:55:44,271 INFO L225 Difference]: With dead ends: 592 [2024-11-28 02:55:44,272 INFO L226 Difference]: Without dead ends: 304 [2024-11-28 02:55:44,273 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 [2024-11-28 02:55:44,274 INFO L435 NwaCegarLoop]: 148 mSDtfsCounter, 61 mSDsluCounter, 284 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 432 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:55:44,278 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 432 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:55:44,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2024-11-28 02:55:44,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 302. [2024-11-28 02:55:44,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 257 states have (on average 1.3229571984435797) internal successors, (340), 259 states have internal predecessors, (340), 40 states have call successors, (40), 4 states have call predecessors, (40), 4 states have return successors, (40), 38 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-28 02:55:44,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 420 transitions. [2024-11-28 02:55:44,319 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 420 transitions. Word has length 136 [2024-11-28 02:55:44,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:55:44,321 INFO L471 AbstractCegarLoop]: Abstraction has 302 states and 420 transitions. [2024-11-28 02:55:44,321 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), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 02:55:44,321 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 420 transitions. [2024-11-28 02:55:44,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-28 02:55:44,326 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:55:44,327 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:55:44,327 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-28 02:55:44,327 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:55:44,328 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:55:44,328 INFO L85 PathProgramCache]: Analyzing trace with hash -1275224360, now seen corresponding path program 1 times [2024-11-28 02:55:44,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:55:44,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [455103448] [2024-11-28 02:55:44,328 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:55:44,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:55:44,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:55:44,721 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2024-11-28 02:55:44,722 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:55:44,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [455103448] [2024-11-28 02:55:44,722 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [455103448] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:55:44,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1139771190] [2024-11-28 02:55:44,722 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:55:44,723 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:55:44,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:55:44,725 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:55:44,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-28 02:55:45,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:55:45,168 INFO L256 TraceCheckSpWp]: Trace formula consists of 595 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 02:55:45,177 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:55:45,253 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-28 02:55:45,253 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:55:45,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1139771190] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:55:45,253 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:55:45,253 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 10 [2024-11-28 02:55:45,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358415239] [2024-11-28 02:55:45,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:55:45,255 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 02:55:45,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:55:45,256 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 02:55:45,256 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-28 02:55:45,256 INFO L87 Difference]: Start difference. First operand 302 states and 420 transitions. Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 states have internal predecessors, (59), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 02:55:45,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:55:45,349 INFO L93 Difference]: Finished difference Result 604 states and 839 transitions. [2024-11-28 02:55:45,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 02:55:45,350 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 states have internal predecessors, (59), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 136 [2024-11-28 02:55:45,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:55:45,353 INFO L225 Difference]: With dead ends: 604 [2024-11-28 02:55:45,354 INFO L226 Difference]: Without dead ends: 314 [2024-11-28 02:55:45,356 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-28 02:55:45,356 INFO L435 NwaCegarLoop]: 148 mSDtfsCounter, 0 mSDsluCounter, 571 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 719 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:55:45,357 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 719 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:55:45,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2024-11-28 02:55:45,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 305. [2024-11-28 02:55:45,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 305 states, 260 states have (on average 1.3192307692307692) internal successors, (343), 262 states have internal predecessors, (343), 40 states have call successors, (40), 4 states have call predecessors, (40), 4 states have return successors, (40), 38 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-28 02:55:45,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 423 transitions. [2024-11-28 02:55:45,410 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 423 transitions. Word has length 136 [2024-11-28 02:55:45,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:55:45,413 INFO L471 AbstractCegarLoop]: Abstraction has 305 states and 423 transitions. [2024-11-28 02:55:45,413 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 states have internal predecessors, (59), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 02:55:45,413 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 423 transitions. [2024-11-28 02:55:45,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-28 02:55:45,417 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:55:45,417 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:55:45,429 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-28 02:55:45,618 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-28 02:55:45,618 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:55:45,619 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:55:45,619 INFO L85 PathProgramCache]: Analyzing trace with hash -1530194232, now seen corresponding path program 1 times [2024-11-28 02:55:45,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:55:45,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [626688143] [2024-11-28 02:55:45,619 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:55:45,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:55:45,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:55:45,865 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-28 02:55:45,865 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:55:45,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [626688143] [2024-11-28 02:55:45,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [626688143] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:55:45,866 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:55:45,866 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 02:55:45,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [225854770] [2024-11-28 02:55:45,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:55:45,866 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:55:45,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:55:45,867 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:55:45,867 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:55:45,868 INFO L87 Difference]: Start difference. First operand 305 states and 423 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 02:55:46,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:55:46,071 INFO L93 Difference]: Finished difference Result 642 states and 896 transitions. [2024-11-28 02:55:46,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 02:55:46,072 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 137 [2024-11-28 02:55:46,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:55:46,075 INFO L225 Difference]: With dead ends: 642 [2024-11-28 02:55:46,075 INFO L226 Difference]: Without dead ends: 349 [2024-11-28 02:55:46,076 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 [2024-11-28 02:55:46,078 INFO L435 NwaCegarLoop]: 225 mSDtfsCounter, 136 mSDsluCounter, 494 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 719 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:55:46,080 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 719 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 02:55:46,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 349 states. [2024-11-28 02:55:46,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 349 to 337. [2024-11-28 02:55:46,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 337 states, 279 states have (on average 1.2974910394265233) internal successors, (362), 281 states have internal predecessors, (362), 52 states have call successors, (52), 5 states have call predecessors, (52), 5 states have return successors, (52), 50 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-28 02:55:46,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 337 states and 466 transitions. [2024-11-28 02:55:46,132 INFO L78 Accepts]: Start accepts. Automaton has 337 states and 466 transitions. Word has length 137 [2024-11-28 02:55:46,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:55:46,133 INFO L471 AbstractCegarLoop]: Abstraction has 337 states and 466 transitions. [2024-11-28 02:55:46,133 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 02:55:46,133 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 466 transitions. [2024-11-28 02:55:46,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-28 02:55:46,136 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:55:46,137 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:55:46,137 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-28 02:55:46,137 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:55:46,137 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:55:46,138 INFO L85 PathProgramCache]: Analyzing trace with hash 1753655814, now seen corresponding path program 1 times [2024-11-28 02:55:46,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:55:46,138 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1245640011] [2024-11-28 02:55:46,138 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:55:46,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:55:46,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:55:46,700 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-28 02:55:46,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:55:46,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1245640011] [2024-11-28 02:55:46,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1245640011] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:55:46,701 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:55:46,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 02:55:46,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138036712] [2024-11-28 02:55:46,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:55:46,702 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 02:55:46,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:55:46,703 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 02:55:46,703 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 02:55:46,703 INFO L87 Difference]: Start difference. First operand 337 states and 466 transitions. Second operand has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 02:55:46,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:55:46,837 INFO L93 Difference]: Finished difference Result 356 states and 485 transitions. [2024-11-28 02:55:46,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 02:55:46,838 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 137 [2024-11-28 02:55:46,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:55:46,841 INFO L225 Difference]: With dead ends: 356 [2024-11-28 02:55:46,842 INFO L226 Difference]: Without dead ends: 354 [2024-11-28 02:55:46,842 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-28 02:55:46,843 INFO L435 NwaCegarLoop]: 208 mSDtfsCounter, 104 mSDsluCounter, 705 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 913 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:55:46,843 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 913 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:55:46,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2024-11-28 02:55:46,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 354. [2024-11-28 02:55:46,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 354 states, 294 states have (on average 1.282312925170068) internal successors, (377), 296 states have internal predecessors, (377), 52 states have call successors, (52), 7 states have call predecessors, (52), 7 states have return successors, (52), 50 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-28 02:55:46,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 481 transitions. [2024-11-28 02:55:46,884 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 481 transitions. Word has length 137 [2024-11-28 02:55:46,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:55:46,885 INFO L471 AbstractCegarLoop]: Abstraction has 354 states and 481 transitions. [2024-11-28 02:55:46,885 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 02:55:46,885 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 481 transitions. [2024-11-28 02:55:46,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-28 02:55:46,887 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:55:46,887 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:55:46,887 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-28 02:55:46,887 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:55:46,888 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:55:46,889 INFO L85 PathProgramCache]: Analyzing trace with hash 1755502856, now seen corresponding path program 1 times [2024-11-28 02:55:46,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:55:46,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [887898629] [2024-11-28 02:55:46,890 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:55:46,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:55:47,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:55:47,029 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:55:47,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:55:47,402 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-28 02:55:47,402 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-28 02:55:47,404 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-28 02:55:47,406 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-28 02:55:47,410 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:55:47,745 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 02:55:47,750 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 02:55:47 BoogieIcfgContainer [2024-11-28 02:55:47,750 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 02:55:47,751 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 02:55:47,751 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 02:55:47,752 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 02:55:47,753 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:55:35" (3/4) ... [2024-11-28 02:55:47,756 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-28 02:55:47,757 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 02:55:47,758 INFO L158 Benchmark]: Toolchain (without parser) took 14525.80ms. Allocated memory was 142.6MB in the beginning and 268.4MB in the end (delta: 125.8MB). Free memory was 102.5MB in the beginning and 175.6MB in the end (delta: -73.1MB). Peak memory consumption was 51.4MB. Max. memory is 16.1GB. [2024-11-28 02:55:47,758 INFO L158 Benchmark]: CDTParser took 0.50ms. Allocated memory is still 167.8MB. Free memory is still 102.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:55:47,759 INFO L158 Benchmark]: CACSL2BoogieTranslator took 445.13ms. Allocated memory is still 142.6MB. Free memory was 102.5MB in the beginning and 87.7MB in the end (delta: 14.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 02:55:47,759 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.54ms. Allocated memory is still 142.6MB. Free memory was 87.7MB in the beginning and 84.4MB in the end (delta: 3.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:55:47,760 INFO L158 Benchmark]: Boogie Preprocessor took 137.77ms. Allocated memory is still 142.6MB. Free memory was 84.4MB in the beginning and 79.0MB in the end (delta: 5.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 02:55:47,760 INFO L158 Benchmark]: RCFGBuilder took 1202.90ms. Allocated memory is still 142.6MB. Free memory was 79.0MB in the beginning and 38.4MB in the end (delta: 40.6MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-28 02:55:47,760 INFO L158 Benchmark]: TraceAbstraction took 12648.84ms. Allocated memory was 142.6MB in the beginning and 268.4MB in the end (delta: 125.8MB). Free memory was 37.7MB in the beginning and 175.6MB in the end (delta: -137.9MB). Peak memory consumption was 52.1MB. Max. memory is 16.1GB. [2024-11-28 02:55:47,761 INFO L158 Benchmark]: Witness Printer took 5.64ms. Allocated memory is still 268.4MB. Free memory was 175.6MB in the beginning and 175.6MB in the end (delta: 42.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:55:47,763 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.50ms. Allocated memory is still 167.8MB. Free memory is still 102.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 445.13ms. Allocated memory is still 142.6MB. Free memory was 102.5MB in the beginning and 87.7MB in the end (delta: 14.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.54ms. Allocated memory is still 142.6MB. Free memory was 87.7MB in the beginning and 84.4MB in the end (delta: 3.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 137.77ms. Allocated memory is still 142.6MB. Free memory was 84.4MB in the beginning and 79.0MB in the end (delta: 5.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1202.90ms. Allocated memory is still 142.6MB. Free memory was 79.0MB in the beginning and 38.4MB in the end (delta: 40.6MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * TraceAbstraction took 12648.84ms. Allocated memory was 142.6MB in the beginning and 268.4MB in the end (delta: 125.8MB). Free memory was 37.7MB in the beginning and 175.6MB in the end (delta: -137.9MB). Peak memory consumption was 52.1MB. Max. memory is 16.1GB. * Witness Printer took 5.64ms. Allocated memory is still 268.4MB. Free memory was 175.6MB in the beginning and 175.6MB in the end (delta: 42.0kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 113, overapproximation of someBinaryDOUBLEComparisonOperation at line 102, overapproximation of someBinaryDOUBLEComparisonOperation at line 104, overapproximation of someBinaryDOUBLEComparisonOperation at line 102, overapproximation of someBinaryDOUBLEComparisonOperation at line 104. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 8; [L22] unsigned short int var_1_1 = 8; [L23] unsigned short int* var_1_1_Pointer = &(var_1_1); [L24] unsigned char var_1_2 = 0; [L24] unsigned char var_1_2 = 0; [L25] unsigned char* var_1_2_Pointer = &(var_1_2); [L26] unsigned short int var_1_3 = 8; [L26] unsigned short int var_1_3 = 8; [L27] unsigned short int* var_1_3_Pointer = &(var_1_3); [L28] unsigned short int var_1_4 = 1000; [L28] unsigned short int var_1_4 = 1000; [L29] unsigned short int* var_1_4_Pointer = &(var_1_4); [L30] unsigned char var_1_5 = 1; [L30] unsigned char var_1_5 = 1; [L31] unsigned char* var_1_5_Pointer = &(var_1_5); [L32] unsigned char var_1_6 = 0; [L32] unsigned char var_1_6 = 0; [L33] unsigned char* var_1_6_Pointer = &(var_1_6); [L34] unsigned char var_1_9 = 0; [L34] unsigned char var_1_9 = 0; [L35] unsigned char* var_1_9_Pointer = &(var_1_9); [L36] unsigned char var_1_10 = 0; [L36] unsigned char var_1_10 = 0; [L37] unsigned char* var_1_10_Pointer = &(var_1_10); [L38] double var_1_11 = 4.575; [L38] double var_1_11 = 4.575; [L39] double* var_1_11_Pointer = &(var_1_11); [L40] double var_1_13 = 2.75; [L40] double var_1_13 = 2.75; [L41] double* var_1_13_Pointer = &(var_1_13); [L42] double var_1_14 = 128.5; [L42] double var_1_14 = 128.5; [L43] double* var_1_14_Pointer = &(var_1_14); [L44] signed long int var_1_15 = -1000000000; [L44] signed long int var_1_15 = -1000000000; [L45] signed long int* var_1_15_Pointer = &(var_1_15); [L46] float var_1_16 = 99999.25; [L46] float var_1_16 = 99999.25; [L47] float* var_1_16_Pointer = &(var_1_16); [L48] signed char var_1_17 = 1; [L48] signed char var_1_17 = 1; [L49] signed char* var_1_17_Pointer = &(var_1_17); [L50] signed char var_1_18 = 50; [L50] signed char var_1_18 = 50; [L51] signed char* var_1_18_Pointer = &(var_1_18); [L52] unsigned char last_1_var_1_5 = 1; VAL [isInitial=0, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_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_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L117] isInitial = 1 [L118] FCALL initially() [L120] CALL updateLastVariables() [L110] EXPR \read(var_1_5) [L110] last_1_var_1_5 = var_1_5 [L120] RET updateLastVariables() [L121] CALL updateVariables() [L83] var_1_2 = __VERIFIER_nondet_uchar() [L84] EXPR \read(var_1_2) VAL [isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_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_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L84] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_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_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_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_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L84] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_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_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L85] EXPR \read(var_1_2) VAL [isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_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_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L85] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_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_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_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_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L85] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_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_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L86] var_1_3 = __VERIFIER_nondet_ushort() [L87] EXPR \read(var_1_3) VAL [isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_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_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L87] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_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_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_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_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L87] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_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_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L88] EXPR \read(var_1_3) VAL [isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_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_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L88] CALL assume_abort_if_not(var_1_3 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_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_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_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_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L88] RET assume_abort_if_not(var_1_3 <= 65534) VAL [isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_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_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L89] var_1_4 = __VERIFIER_nondet_ushort() [L90] EXPR \read(var_1_4) VAL [isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_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_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L90] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_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_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_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_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L90] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_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_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L91] EXPR \read(var_1_4) VAL [isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_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_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L91] CALL assume_abort_if_not(var_1_4 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_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_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_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_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L91] RET assume_abort_if_not(var_1_4 <= 65534) VAL [isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_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_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L92] var_1_6 = __VERIFIER_nondet_uchar() [L93] EXPR \read(var_1_6) VAL [isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_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_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L93] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_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_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_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_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L93] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_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_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L94] EXPR \read(var_1_6) VAL [isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_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_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L94] CALL assume_abort_if_not(var_1_6 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_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_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_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_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L94] RET assume_abort_if_not(var_1_6 <= 1) VAL [isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_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_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L95] var_1_9 = __VERIFIER_nondet_uchar() [L96] EXPR \read(var_1_9) VAL [isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_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_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L96] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_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_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_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_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L96] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_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_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L97] EXPR \read(var_1_9) VAL [isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_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_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L97] CALL assume_abort_if_not(var_1_9 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_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_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_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_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L97] RET assume_abort_if_not(var_1_9 <= 0) VAL [isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_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_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L98] var_1_10 = __VERIFIER_nondet_uchar() [L99] EXPR \read(var_1_10) VAL [isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_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_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L99] CALL assume_abort_if_not(var_1_10 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_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_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_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_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L99] RET assume_abort_if_not(var_1_10 >= 1) VAL [isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_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_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L100] EXPR \read(var_1_10) VAL [isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_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_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L100] CALL assume_abort_if_not(var_1_10 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_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_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_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_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L100] RET assume_abort_if_not(var_1_10 <= 1) VAL [isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_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_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L101] var_1_13 = __VERIFIER_nondet_double() [L102] EXPR \read(var_1_13) [L102] EXPR var_1_13 >= -461168.6018427382800e+13F && var_1_13 <= -1.0e-20F VAL [isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_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_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L102] EXPR var_1_13 >= -461168.6018427382800e+13F && var_1_13 <= -1.0e-20F [L102] EXPR \read(var_1_13) [L102] EXPR var_1_13 >= -461168.6018427382800e+13F && var_1_13 <= -1.0e-20F VAL [isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_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_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L102] EXPR (var_1_13 >= -461168.6018427382800e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 4611686.018427382800e+12F && var_1_13 >= 1.0e-20F ) VAL [isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_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_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L102] EXPR (var_1_13 >= -461168.6018427382800e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 4611686.018427382800e+12F && var_1_13 >= 1.0e-20F ) VAL [isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_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_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L102] CALL assume_abort_if_not((var_1_13 >= -461168.6018427382800e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 4611686.018427382800e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_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_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_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_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L102] RET assume_abort_if_not((var_1_13 >= -461168.6018427382800e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 4611686.018427382800e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_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_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L103] var_1_14 = __VERIFIER_nondet_double() [L104] EXPR \read(var_1_14) [L104] EXPR var_1_14 >= -461168.6018427382800e+13F && var_1_14 <= -1.0e-20F VAL [isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_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_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L104] EXPR var_1_14 >= -461168.6018427382800e+13F && var_1_14 <= -1.0e-20F [L104] EXPR \read(var_1_14) [L104] EXPR var_1_14 >= -461168.6018427382800e+13F && var_1_14 <= -1.0e-20F VAL [isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_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_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L104] EXPR (var_1_14 >= -461168.6018427382800e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F ) VAL [isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_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_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L104] EXPR (var_1_14 >= -461168.6018427382800e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F ) VAL [isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_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_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L104] CALL assume_abort_if_not((var_1_14 >= -461168.6018427382800e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_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_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_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_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L104] RET assume_abort_if_not((var_1_14 >= -461168.6018427382800e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_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_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L105] var_1_18 = __VERIFIER_nondet_char() [L106] EXPR \read(var_1_18) VAL [isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_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_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L106] CALL assume_abort_if_not(var_1_18 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_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_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_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_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L106] RET assume_abort_if_not(var_1_18 >= -127) VAL [isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_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_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L107] EXPR \read(var_1_18) VAL [isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_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_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L107] CALL assume_abort_if_not(var_1_18 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_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_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_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_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L107] RET assume_abort_if_not(var_1_18 <= 126) VAL [isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_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_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L121] RET updateVariables() [L122] CALL step() [L56] COND FALSE !(! last_1_var_1_5) [L59] EXPR \read(*var_1_4_Pointer) [L59] (*(var_1_1_Pointer)) = (*(var_1_4_Pointer)) [L61] EXPR \read(*var_1_6_Pointer) [L61] unsigned char stepLocal_0 = (*(var_1_6_Pointer)); [L62] EXPR \read(*var_1_2_Pointer) VAL [isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_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_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L62] COND FALSE !((*(var_1_2_Pointer))) [L71] EXPR \read(*var_1_1_Pointer) [L71] (*(var_1_15_Pointer)) = (*(var_1_1_Pointer)) [L72] EXPR \read(*var_1_13_Pointer) [L72] (*(var_1_16_Pointer)) = (*(var_1_13_Pointer)) [L73] EXPR \read(*var_1_18_Pointer) [L73] (*(var_1_17_Pointer)) = (*(var_1_18_Pointer)) [L74] EXPR \read(*var_1_15_Pointer) VAL [isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_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_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L74] EXPR (((*(var_1_15_Pointer))) < 0 ) ? -((*(var_1_15_Pointer))) : ((*(var_1_15_Pointer))) [L74] EXPR \read(*var_1_15_Pointer) [L74] EXPR (((*(var_1_15_Pointer))) < 0 ) ? -((*(var_1_15_Pointer))) : ((*(var_1_15_Pointer))) VAL [isInitial=1, last_1_var_1_5=1, stepLocal_0=257, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_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_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L74] EXPR \read(*var_1_15_Pointer) VAL [isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_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_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L74] COND FALSE !((((((*(var_1_15_Pointer))) < 0 ) ? -((*(var_1_15_Pointer))) : ((*(var_1_15_Pointer))))) > (*(var_1_15_Pointer))) [L122] RET step() [L123] CALL, EXPR property() [L113] EXPR (! last_1_var_1_5) ? ((*(var_1_1_Pointer)) == ((unsigned short int) (((((*(var_1_3_Pointer))) < ((*(var_1_4_Pointer)))) ? ((*(var_1_3_Pointer))) : ((*(var_1_4_Pointer))))))) : ((*(var_1_1_Pointer)) == ((unsigned short int) (*(var_1_4_Pointer)))) [L113] EXPR \read(*var_1_1_Pointer) [L113] EXPR \read(*var_1_4_Pointer) [L113] EXPR (! last_1_var_1_5) ? ((*(var_1_1_Pointer)) == ((unsigned short int) (((((*(var_1_3_Pointer))) < ((*(var_1_4_Pointer)))) ? ((*(var_1_3_Pointer))) : ((*(var_1_4_Pointer))))))) : ((*(var_1_1_Pointer)) == ((unsigned short int) (*(var_1_4_Pointer)))) VAL [isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_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_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L113] EXPR ((! last_1_var_1_5) ? ((*(var_1_1_Pointer)) == ((unsigned short int) (((((*(var_1_3_Pointer))) < ((*(var_1_4_Pointer)))) ? ((*(var_1_3_Pointer))) : ((*(var_1_4_Pointer))))))) : ((*(var_1_1_Pointer)) == ((unsigned short int) (*(var_1_4_Pointer))))) && ((*(var_1_2_Pointer)) ? (((*(var_1_6_Pointer)) && (((*(var_1_3_Pointer)) >= 16) || last_1_var_1_5)) ? ((*(var_1_6_Pointer)) ? ((*(var_1_5_Pointer)) == ((unsigned char) (((*(var_1_1_Pointer)) < (*(var_1_1_Pointer))) && (*(var_1_9_Pointer))))) : ((*(var_1_5_Pointer)) == ((unsigned char) (*(var_1_10_Pointer))))) : 1) : 1) VAL [isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_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_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L113] EXPR ((! last_1_var_1_5) ? ((*(var_1_1_Pointer)) == ((unsigned short int) (((((*(var_1_3_Pointer))) < ((*(var_1_4_Pointer)))) ? ((*(var_1_3_Pointer))) : ((*(var_1_4_Pointer))))))) : ((*(var_1_1_Pointer)) == ((unsigned short int) (*(var_1_4_Pointer))))) && ((*(var_1_2_Pointer)) ? (((*(var_1_6_Pointer)) && (((*(var_1_3_Pointer)) >= 16) || last_1_var_1_5)) ? ((*(var_1_6_Pointer)) ? ((*(var_1_5_Pointer)) == ((unsigned char) (((*(var_1_1_Pointer)) < (*(var_1_1_Pointer))) && (*(var_1_9_Pointer))))) : ((*(var_1_5_Pointer)) == ((unsigned char) (*(var_1_10_Pointer))))) : 1) : 1) [L113] EXPR \read(*var_1_2_Pointer) VAL [isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_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_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L113] EXPR (*(var_1_2_Pointer)) ? (((*(var_1_6_Pointer)) && (((*(var_1_3_Pointer)) >= 16) || last_1_var_1_5)) ? ((*(var_1_6_Pointer)) ? ((*(var_1_5_Pointer)) == ((unsigned char) (((*(var_1_1_Pointer)) < (*(var_1_1_Pointer))) && (*(var_1_9_Pointer))))) : ((*(var_1_5_Pointer)) == ((unsigned char) (*(var_1_10_Pointer))))) : 1) : 1 [L113] EXPR (*(var_1_2_Pointer)) ? (((*(var_1_6_Pointer)) && (((*(var_1_3_Pointer)) >= 16) || last_1_var_1_5)) ? ((*(var_1_6_Pointer)) ? ((*(var_1_5_Pointer)) == ((unsigned char) (((*(var_1_1_Pointer)) < (*(var_1_1_Pointer))) && (*(var_1_9_Pointer))))) : ((*(var_1_5_Pointer)) == ((unsigned char) (*(var_1_10_Pointer))))) : 1) : 1 VAL [isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_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_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L113] EXPR ((! last_1_var_1_5) ? ((*(var_1_1_Pointer)) == ((unsigned short int) (((((*(var_1_3_Pointer))) < ((*(var_1_4_Pointer)))) ? ((*(var_1_3_Pointer))) : ((*(var_1_4_Pointer))))))) : ((*(var_1_1_Pointer)) == ((unsigned short int) (*(var_1_4_Pointer))))) && ((*(var_1_2_Pointer)) ? (((*(var_1_6_Pointer)) && (((*(var_1_3_Pointer)) >= 16) || last_1_var_1_5)) ? ((*(var_1_6_Pointer)) ? ((*(var_1_5_Pointer)) == ((unsigned char) (((*(var_1_1_Pointer)) < (*(var_1_1_Pointer))) && (*(var_1_9_Pointer))))) : ((*(var_1_5_Pointer)) == ((unsigned char) (*(var_1_10_Pointer))))) : 1) : 1) VAL [isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_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_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L113] EXPR (((! last_1_var_1_5) ? ((*(var_1_1_Pointer)) == ((unsigned short int) (((((*(var_1_3_Pointer))) < ((*(var_1_4_Pointer)))) ? ((*(var_1_3_Pointer))) : ((*(var_1_4_Pointer))))))) : ((*(var_1_1_Pointer)) == ((unsigned short int) (*(var_1_4_Pointer))))) && ((*(var_1_2_Pointer)) ? (((*(var_1_6_Pointer)) && (((*(var_1_3_Pointer)) >= 16) || last_1_var_1_5)) ? ((*(var_1_6_Pointer)) ? ((*(var_1_5_Pointer)) == ((unsigned char) (((*(var_1_1_Pointer)) < (*(var_1_1_Pointer))) && (*(var_1_9_Pointer))))) : ((*(var_1_5_Pointer)) == ((unsigned char) (*(var_1_10_Pointer))))) : 1) : 1)) && (((((((*(var_1_15_Pointer))) < 0 ) ? -((*(var_1_15_Pointer))) : ((*(var_1_15_Pointer))))) > (*(var_1_15_Pointer))) ? ((((*(var_1_15_Pointer)) / -5) >= (((*(var_1_4_Pointer)) + (*(var_1_15_Pointer))) - (((((*(var_1_1_Pointer))) < ((*(var_1_3_Pointer)))) ? ((*(var_1_1_Pointer))) : ((*(var_1_3_Pointer))))))) ? ((*(var_1_11_Pointer)) == ((double) ((*(var_1_13_Pointer)) + (*(var_1_14_Pointer))))) : ((*(var_1_11_Pointer)) == ((double) (*(var_1_14_Pointer))))) : 1) VAL [isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_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_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L113] EXPR (((! last_1_var_1_5) ? ((*(var_1_1_Pointer)) == ((unsigned short int) (((((*(var_1_3_Pointer))) < ((*(var_1_4_Pointer)))) ? ((*(var_1_3_Pointer))) : ((*(var_1_4_Pointer))))))) : ((*(var_1_1_Pointer)) == ((unsigned short int) (*(var_1_4_Pointer))))) && ((*(var_1_2_Pointer)) ? (((*(var_1_6_Pointer)) && (((*(var_1_3_Pointer)) >= 16) || last_1_var_1_5)) ? ((*(var_1_6_Pointer)) ? ((*(var_1_5_Pointer)) == ((unsigned char) (((*(var_1_1_Pointer)) < (*(var_1_1_Pointer))) && (*(var_1_9_Pointer))))) : ((*(var_1_5_Pointer)) == ((unsigned char) (*(var_1_10_Pointer))))) : 1) : 1)) && (((((((*(var_1_15_Pointer))) < 0 ) ? -((*(var_1_15_Pointer))) : ((*(var_1_15_Pointer))))) > (*(var_1_15_Pointer))) ? ((((*(var_1_15_Pointer)) / -5) >= (((*(var_1_4_Pointer)) + (*(var_1_15_Pointer))) - (((((*(var_1_1_Pointer))) < ((*(var_1_3_Pointer)))) ? ((*(var_1_1_Pointer))) : ((*(var_1_3_Pointer))))))) ? ((*(var_1_11_Pointer)) == ((double) ((*(var_1_13_Pointer)) + (*(var_1_14_Pointer))))) : ((*(var_1_11_Pointer)) == ((double) (*(var_1_14_Pointer))))) : 1) [L113] EXPR \read(*var_1_15_Pointer) VAL [isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_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_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L113] EXPR (((*(var_1_15_Pointer))) < 0 ) ? -((*(var_1_15_Pointer))) : ((*(var_1_15_Pointer))) [L113] EXPR \read(*var_1_15_Pointer) [L113] EXPR (((*(var_1_15_Pointer))) < 0 ) ? -((*(var_1_15_Pointer))) : ((*(var_1_15_Pointer))) VAL [isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_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_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L113] EXPR \read(*var_1_15_Pointer) VAL [isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_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_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L113] EXPR ((((((*(var_1_15_Pointer))) < 0 ) ? -((*(var_1_15_Pointer))) : ((*(var_1_15_Pointer))))) > (*(var_1_15_Pointer))) ? ((((*(var_1_15_Pointer)) / -5) >= (((*(var_1_4_Pointer)) + (*(var_1_15_Pointer))) - (((((*(var_1_1_Pointer))) < ((*(var_1_3_Pointer)))) ? ((*(var_1_1_Pointer))) : ((*(var_1_3_Pointer))))))) ? ((*(var_1_11_Pointer)) == ((double) ((*(var_1_13_Pointer)) + (*(var_1_14_Pointer))))) : ((*(var_1_11_Pointer)) == ((double) (*(var_1_14_Pointer))))) : 1 [L113] EXPR ((((((*(var_1_15_Pointer))) < 0 ) ? -((*(var_1_15_Pointer))) : ((*(var_1_15_Pointer))))) > (*(var_1_15_Pointer))) ? ((((*(var_1_15_Pointer)) / -5) >= (((*(var_1_4_Pointer)) + (*(var_1_15_Pointer))) - (((((*(var_1_1_Pointer))) < ((*(var_1_3_Pointer)))) ? ((*(var_1_1_Pointer))) : ((*(var_1_3_Pointer))))))) ? ((*(var_1_11_Pointer)) == ((double) ((*(var_1_13_Pointer)) + (*(var_1_14_Pointer))))) : ((*(var_1_11_Pointer)) == ((double) (*(var_1_14_Pointer))))) : 1 VAL [isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_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_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L113] EXPR (((! last_1_var_1_5) ? ((*(var_1_1_Pointer)) == ((unsigned short int) (((((*(var_1_3_Pointer))) < ((*(var_1_4_Pointer)))) ? ((*(var_1_3_Pointer))) : ((*(var_1_4_Pointer))))))) : ((*(var_1_1_Pointer)) == ((unsigned short int) (*(var_1_4_Pointer))))) && ((*(var_1_2_Pointer)) ? (((*(var_1_6_Pointer)) && (((*(var_1_3_Pointer)) >= 16) || last_1_var_1_5)) ? ((*(var_1_6_Pointer)) ? ((*(var_1_5_Pointer)) == ((unsigned char) (((*(var_1_1_Pointer)) < (*(var_1_1_Pointer))) && (*(var_1_9_Pointer))))) : ((*(var_1_5_Pointer)) == ((unsigned char) (*(var_1_10_Pointer))))) : 1) : 1)) && (((((((*(var_1_15_Pointer))) < 0 ) ? -((*(var_1_15_Pointer))) : ((*(var_1_15_Pointer))))) > (*(var_1_15_Pointer))) ? ((((*(var_1_15_Pointer)) / -5) >= (((*(var_1_4_Pointer)) + (*(var_1_15_Pointer))) - (((((*(var_1_1_Pointer))) < ((*(var_1_3_Pointer)))) ? ((*(var_1_1_Pointer))) : ((*(var_1_3_Pointer))))))) ? ((*(var_1_11_Pointer)) == ((double) ((*(var_1_13_Pointer)) + (*(var_1_14_Pointer))))) : ((*(var_1_11_Pointer)) == ((double) (*(var_1_14_Pointer))))) : 1) VAL [isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_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_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L113] EXPR ((((! last_1_var_1_5) ? ((*(var_1_1_Pointer)) == ((unsigned short int) (((((*(var_1_3_Pointer))) < ((*(var_1_4_Pointer)))) ? ((*(var_1_3_Pointer))) : ((*(var_1_4_Pointer))))))) : ((*(var_1_1_Pointer)) == ((unsigned short int) (*(var_1_4_Pointer))))) && ((*(var_1_2_Pointer)) ? (((*(var_1_6_Pointer)) && (((*(var_1_3_Pointer)) >= 16) || last_1_var_1_5)) ? ((*(var_1_6_Pointer)) ? ((*(var_1_5_Pointer)) == ((unsigned char) (((*(var_1_1_Pointer)) < (*(var_1_1_Pointer))) && (*(var_1_9_Pointer))))) : ((*(var_1_5_Pointer)) == ((unsigned char) (*(var_1_10_Pointer))))) : 1) : 1)) && (((((((*(var_1_15_Pointer))) < 0 ) ? -((*(var_1_15_Pointer))) : ((*(var_1_15_Pointer))))) > (*(var_1_15_Pointer))) ? ((((*(var_1_15_Pointer)) / -5) >= (((*(var_1_4_Pointer)) + (*(var_1_15_Pointer))) - (((((*(var_1_1_Pointer))) < ((*(var_1_3_Pointer)))) ? ((*(var_1_1_Pointer))) : ((*(var_1_3_Pointer))))))) ? ((*(var_1_11_Pointer)) == ((double) ((*(var_1_13_Pointer)) + (*(var_1_14_Pointer))))) : ((*(var_1_11_Pointer)) == ((double) (*(var_1_14_Pointer))))) : 1)) && ((*(var_1_15_Pointer)) == ((signed long int) (*(var_1_1_Pointer)))) VAL [isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_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_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L113] EXPR ((((! last_1_var_1_5) ? ((*(var_1_1_Pointer)) == ((unsigned short int) (((((*(var_1_3_Pointer))) < ((*(var_1_4_Pointer)))) ? ((*(var_1_3_Pointer))) : ((*(var_1_4_Pointer))))))) : ((*(var_1_1_Pointer)) == ((unsigned short int) (*(var_1_4_Pointer))))) && ((*(var_1_2_Pointer)) ? (((*(var_1_6_Pointer)) && (((*(var_1_3_Pointer)) >= 16) || last_1_var_1_5)) ? ((*(var_1_6_Pointer)) ? ((*(var_1_5_Pointer)) == ((unsigned char) (((*(var_1_1_Pointer)) < (*(var_1_1_Pointer))) && (*(var_1_9_Pointer))))) : ((*(var_1_5_Pointer)) == ((unsigned char) (*(var_1_10_Pointer))))) : 1) : 1)) && (((((((*(var_1_15_Pointer))) < 0 ) ? -((*(var_1_15_Pointer))) : ((*(var_1_15_Pointer))))) > (*(var_1_15_Pointer))) ? ((((*(var_1_15_Pointer)) / -5) >= (((*(var_1_4_Pointer)) + (*(var_1_15_Pointer))) - (((((*(var_1_1_Pointer))) < ((*(var_1_3_Pointer)))) ? ((*(var_1_1_Pointer))) : ((*(var_1_3_Pointer))))))) ? ((*(var_1_11_Pointer)) == ((double) ((*(var_1_13_Pointer)) + (*(var_1_14_Pointer))))) : ((*(var_1_11_Pointer)) == ((double) (*(var_1_14_Pointer))))) : 1)) && ((*(var_1_15_Pointer)) == ((signed long int) (*(var_1_1_Pointer)))) [L113] EXPR \read(*var_1_15_Pointer) [L113] EXPR \read(*var_1_1_Pointer) [L113] EXPR ((((! last_1_var_1_5) ? ((*(var_1_1_Pointer)) == ((unsigned short int) (((((*(var_1_3_Pointer))) < ((*(var_1_4_Pointer)))) ? ((*(var_1_3_Pointer))) : ((*(var_1_4_Pointer))))))) : ((*(var_1_1_Pointer)) == ((unsigned short int) (*(var_1_4_Pointer))))) && ((*(var_1_2_Pointer)) ? (((*(var_1_6_Pointer)) && (((*(var_1_3_Pointer)) >= 16) || last_1_var_1_5)) ? ((*(var_1_6_Pointer)) ? ((*(var_1_5_Pointer)) == ((unsigned char) (((*(var_1_1_Pointer)) < (*(var_1_1_Pointer))) && (*(var_1_9_Pointer))))) : ((*(var_1_5_Pointer)) == ((unsigned char) (*(var_1_10_Pointer))))) : 1) : 1)) && (((((((*(var_1_15_Pointer))) < 0 ) ? -((*(var_1_15_Pointer))) : ((*(var_1_15_Pointer))))) > (*(var_1_15_Pointer))) ? ((((*(var_1_15_Pointer)) / -5) >= (((*(var_1_4_Pointer)) + (*(var_1_15_Pointer))) - (((((*(var_1_1_Pointer))) < ((*(var_1_3_Pointer)))) ? ((*(var_1_1_Pointer))) : ((*(var_1_3_Pointer))))))) ? ((*(var_1_11_Pointer)) == ((double) ((*(var_1_13_Pointer)) + (*(var_1_14_Pointer))))) : ((*(var_1_11_Pointer)) == ((double) (*(var_1_14_Pointer))))) : 1)) && ((*(var_1_15_Pointer)) == ((signed long int) (*(var_1_1_Pointer)))) VAL [isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_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_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L113] EXPR (((((! last_1_var_1_5) ? ((*(var_1_1_Pointer)) == ((unsigned short int) (((((*(var_1_3_Pointer))) < ((*(var_1_4_Pointer)))) ? ((*(var_1_3_Pointer))) : ((*(var_1_4_Pointer))))))) : ((*(var_1_1_Pointer)) == ((unsigned short int) (*(var_1_4_Pointer))))) && ((*(var_1_2_Pointer)) ? (((*(var_1_6_Pointer)) && (((*(var_1_3_Pointer)) >= 16) || last_1_var_1_5)) ? ((*(var_1_6_Pointer)) ? ((*(var_1_5_Pointer)) == ((unsigned char) (((*(var_1_1_Pointer)) < (*(var_1_1_Pointer))) && (*(var_1_9_Pointer))))) : ((*(var_1_5_Pointer)) == ((unsigned char) (*(var_1_10_Pointer))))) : 1) : 1)) && (((((((*(var_1_15_Pointer))) < 0 ) ? -((*(var_1_15_Pointer))) : ((*(var_1_15_Pointer))))) > (*(var_1_15_Pointer))) ? ((((*(var_1_15_Pointer)) / -5) >= (((*(var_1_4_Pointer)) + (*(var_1_15_Pointer))) - (((((*(var_1_1_Pointer))) < ((*(var_1_3_Pointer)))) ? ((*(var_1_1_Pointer))) : ((*(var_1_3_Pointer))))))) ? ((*(var_1_11_Pointer)) == ((double) ((*(var_1_13_Pointer)) + (*(var_1_14_Pointer))))) : ((*(var_1_11_Pointer)) == ((double) (*(var_1_14_Pointer))))) : 1)) && ((*(var_1_15_Pointer)) == ((signed long int) (*(var_1_1_Pointer))))) && ((*(var_1_16_Pointer)) == ((float) (*(var_1_13_Pointer)))) VAL [isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_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_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L113] EXPR (((((! last_1_var_1_5) ? ((*(var_1_1_Pointer)) == ((unsigned short int) (((((*(var_1_3_Pointer))) < ((*(var_1_4_Pointer)))) ? ((*(var_1_3_Pointer))) : ((*(var_1_4_Pointer))))))) : ((*(var_1_1_Pointer)) == ((unsigned short int) (*(var_1_4_Pointer))))) && ((*(var_1_2_Pointer)) ? (((*(var_1_6_Pointer)) && (((*(var_1_3_Pointer)) >= 16) || last_1_var_1_5)) ? ((*(var_1_6_Pointer)) ? ((*(var_1_5_Pointer)) == ((unsigned char) (((*(var_1_1_Pointer)) < (*(var_1_1_Pointer))) && (*(var_1_9_Pointer))))) : ((*(var_1_5_Pointer)) == ((unsigned char) (*(var_1_10_Pointer))))) : 1) : 1)) && (((((((*(var_1_15_Pointer))) < 0 ) ? -((*(var_1_15_Pointer))) : ((*(var_1_15_Pointer))))) > (*(var_1_15_Pointer))) ? ((((*(var_1_15_Pointer)) / -5) >= (((*(var_1_4_Pointer)) + (*(var_1_15_Pointer))) - (((((*(var_1_1_Pointer))) < ((*(var_1_3_Pointer)))) ? ((*(var_1_1_Pointer))) : ((*(var_1_3_Pointer))))))) ? ((*(var_1_11_Pointer)) == ((double) ((*(var_1_13_Pointer)) + (*(var_1_14_Pointer))))) : ((*(var_1_11_Pointer)) == ((double) (*(var_1_14_Pointer))))) : 1)) && ((*(var_1_15_Pointer)) == ((signed long int) (*(var_1_1_Pointer))))) && ((*(var_1_16_Pointer)) == ((float) (*(var_1_13_Pointer)))) [L113] EXPR \read(*var_1_16_Pointer) [L113] EXPR \read(*var_1_13_Pointer) [L113] EXPR (((((! last_1_var_1_5) ? ((*(var_1_1_Pointer)) == ((unsigned short int) (((((*(var_1_3_Pointer))) < ((*(var_1_4_Pointer)))) ? ((*(var_1_3_Pointer))) : ((*(var_1_4_Pointer))))))) : ((*(var_1_1_Pointer)) == ((unsigned short int) (*(var_1_4_Pointer))))) && ((*(var_1_2_Pointer)) ? (((*(var_1_6_Pointer)) && (((*(var_1_3_Pointer)) >= 16) || last_1_var_1_5)) ? ((*(var_1_6_Pointer)) ? ((*(var_1_5_Pointer)) == ((unsigned char) (((*(var_1_1_Pointer)) < (*(var_1_1_Pointer))) && (*(var_1_9_Pointer))))) : ((*(var_1_5_Pointer)) == ((unsigned char) (*(var_1_10_Pointer))))) : 1) : 1)) && (((((((*(var_1_15_Pointer))) < 0 ) ? -((*(var_1_15_Pointer))) : ((*(var_1_15_Pointer))))) > (*(var_1_15_Pointer))) ? ((((*(var_1_15_Pointer)) / -5) >= (((*(var_1_4_Pointer)) + (*(var_1_15_Pointer))) - (((((*(var_1_1_Pointer))) < ((*(var_1_3_Pointer)))) ? ((*(var_1_1_Pointer))) : ((*(var_1_3_Pointer))))))) ? ((*(var_1_11_Pointer)) == ((double) ((*(var_1_13_Pointer)) + (*(var_1_14_Pointer))))) : ((*(var_1_11_Pointer)) == ((double) (*(var_1_14_Pointer))))) : 1)) && ((*(var_1_15_Pointer)) == ((signed long int) (*(var_1_1_Pointer))))) && ((*(var_1_16_Pointer)) == ((float) (*(var_1_13_Pointer)))) VAL [isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_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_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L113] EXPR ((((((! last_1_var_1_5) ? ((*(var_1_1_Pointer)) == ((unsigned short int) (((((*(var_1_3_Pointer))) < ((*(var_1_4_Pointer)))) ? ((*(var_1_3_Pointer))) : ((*(var_1_4_Pointer))))))) : ((*(var_1_1_Pointer)) == ((unsigned short int) (*(var_1_4_Pointer))))) && ((*(var_1_2_Pointer)) ? (((*(var_1_6_Pointer)) && (((*(var_1_3_Pointer)) >= 16) || last_1_var_1_5)) ? ((*(var_1_6_Pointer)) ? ((*(var_1_5_Pointer)) == ((unsigned char) (((*(var_1_1_Pointer)) < (*(var_1_1_Pointer))) && (*(var_1_9_Pointer))))) : ((*(var_1_5_Pointer)) == ((unsigned char) (*(var_1_10_Pointer))))) : 1) : 1)) && (((((((*(var_1_15_Pointer))) < 0 ) ? -((*(var_1_15_Pointer))) : ((*(var_1_15_Pointer))))) > (*(var_1_15_Pointer))) ? ((((*(var_1_15_Pointer)) / -5) >= (((*(var_1_4_Pointer)) + (*(var_1_15_Pointer))) - (((((*(var_1_1_Pointer))) < ((*(var_1_3_Pointer)))) ? ((*(var_1_1_Pointer))) : ((*(var_1_3_Pointer))))))) ? ((*(var_1_11_Pointer)) == ((double) ((*(var_1_13_Pointer)) + (*(var_1_14_Pointer))))) : ((*(var_1_11_Pointer)) == ((double) (*(var_1_14_Pointer))))) : 1)) && ((*(var_1_15_Pointer)) == ((signed long int) (*(var_1_1_Pointer))))) && ((*(var_1_16_Pointer)) == ((float) (*(var_1_13_Pointer))))) && ((*(var_1_17_Pointer)) == ((signed char) (*(var_1_18_Pointer)))) VAL [isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_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_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L113] EXPR ((((((! last_1_var_1_5) ? ((*(var_1_1_Pointer)) == ((unsigned short int) (((((*(var_1_3_Pointer))) < ((*(var_1_4_Pointer)))) ? ((*(var_1_3_Pointer))) : ((*(var_1_4_Pointer))))))) : ((*(var_1_1_Pointer)) == ((unsigned short int) (*(var_1_4_Pointer))))) && ((*(var_1_2_Pointer)) ? (((*(var_1_6_Pointer)) && (((*(var_1_3_Pointer)) >= 16) || last_1_var_1_5)) ? ((*(var_1_6_Pointer)) ? ((*(var_1_5_Pointer)) == ((unsigned char) (((*(var_1_1_Pointer)) < (*(var_1_1_Pointer))) && (*(var_1_9_Pointer))))) : ((*(var_1_5_Pointer)) == ((unsigned char) (*(var_1_10_Pointer))))) : 1) : 1)) && (((((((*(var_1_15_Pointer))) < 0 ) ? -((*(var_1_15_Pointer))) : ((*(var_1_15_Pointer))))) > (*(var_1_15_Pointer))) ? ((((*(var_1_15_Pointer)) / -5) >= (((*(var_1_4_Pointer)) + (*(var_1_15_Pointer))) - (((((*(var_1_1_Pointer))) < ((*(var_1_3_Pointer)))) ? ((*(var_1_1_Pointer))) : ((*(var_1_3_Pointer))))))) ? ((*(var_1_11_Pointer)) == ((double) ((*(var_1_13_Pointer)) + (*(var_1_14_Pointer))))) : ((*(var_1_11_Pointer)) == ((double) (*(var_1_14_Pointer))))) : 1)) && ((*(var_1_15_Pointer)) == ((signed long int) (*(var_1_1_Pointer))))) && ((*(var_1_16_Pointer)) == ((float) (*(var_1_13_Pointer))))) && ((*(var_1_17_Pointer)) == ((signed char) (*(var_1_18_Pointer)))) VAL [isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_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_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L113-L114] return ((((((! last_1_var_1_5) ? ((*(var_1_1_Pointer)) == ((unsigned short int) (((((*(var_1_3_Pointer))) < ((*(var_1_4_Pointer)))) ? ((*(var_1_3_Pointer))) : ((*(var_1_4_Pointer))))))) : ((*(var_1_1_Pointer)) == ((unsigned short int) (*(var_1_4_Pointer))))) && ((*(var_1_2_Pointer)) ? (((*(var_1_6_Pointer)) && (((*(var_1_3_Pointer)) >= 16) || last_1_var_1_5)) ? ((*(var_1_6_Pointer)) ? ((*(var_1_5_Pointer)) == ((unsigned char) (((*(var_1_1_Pointer)) < (*(var_1_1_Pointer))) && (*(var_1_9_Pointer))))) : ((*(var_1_5_Pointer)) == ((unsigned char) (*(var_1_10_Pointer))))) : 1) : 1)) && (((((((*(var_1_15_Pointer))) < 0 ) ? -((*(var_1_15_Pointer))) : ((*(var_1_15_Pointer))))) > (*(var_1_15_Pointer))) ? ((((*(var_1_15_Pointer)) / -5) >= (((*(var_1_4_Pointer)) + (*(var_1_15_Pointer))) - (((((*(var_1_1_Pointer))) < ((*(var_1_3_Pointer)))) ? ((*(var_1_1_Pointer))) : ((*(var_1_3_Pointer))))))) ? ((*(var_1_11_Pointer)) == ((double) ((*(var_1_13_Pointer)) + (*(var_1_14_Pointer))))) : ((*(var_1_11_Pointer)) == ((double) (*(var_1_14_Pointer))))) : 1)) && ((*(var_1_15_Pointer)) == ((signed long int) (*(var_1_1_Pointer))))) && ((*(var_1_16_Pointer)) == ((float) (*(var_1_13_Pointer))))) && ((*(var_1_17_Pointer)) == ((signed char) (*(var_1_18_Pointer)))) ; [L123] RET, EXPR property() [L123] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_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_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L19] reach_error() VAL [isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_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_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 108 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 12.2s, OverallIterations: 15, TraceHistogramMax: 16, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 2.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1098 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1098 mSDsluCounter, 7234 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4907 mSDsCounter, 95 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 504 IncrementalHoareTripleChecker+Invalid, 599 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 95 mSolverCounterUnsat, 2327 mSDtfsCounter, 504 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 484 GetRequests, 430 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=354occurred in iteration=14, InterpolantAutomatonStates: 62, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 14 MinimizatonAttempts, 127 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 5.4s InterpolantComputationTime, 2403 NumberOfCodeBlocks, 2403 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 2249 ConstructedInterpolants, 0 QuantifiedInterpolants, 3025 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1780 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 17 InterpolantComputations, 14 PerfectInterpolantSequences, 8040/8160 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 [2024-11-28 02:55:47,793 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/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_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-96.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB --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 a853c07cdb9387b63b93be13a2dc9697d60053474c0652611eb00fce1c18c0e9 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 02:55:51,094 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 02:55:51,253 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-28 02:55:51,262 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 02:55:51,263 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 02:55:51,293 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 02:55:51,294 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 02:55:51,294 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 02:55:51,294 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 02:55:51,295 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 02:55:51,295 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 02:55:51,295 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 02:55:51,295 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 02:55:51,296 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 02:55:51,296 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 02:55:51,296 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 02:55:51,296 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 02:55:51,296 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 02:55:51,297 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 02:55:51,297 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 02:55:51,297 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 02:55:51,297 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 02:55:51,297 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 02:55:51,298 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-28 02:55:51,298 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-28 02:55:51,298 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-28 02:55:51,298 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 02:55:51,298 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 02:55:51,298 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 02:55:51,298 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 02:55:51,299 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 02:55:51,299 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:55:51,299 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:55:51,299 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:55:51,299 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:55:51,299 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 02:55:51,299 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:55:51,299 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:55:51,299 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:55:51,300 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:55:51,300 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 02:55:51,300 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 02:55:51,300 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 02:55:51,300 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 02:55:51,300 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-28 02:55:51,300 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-28 02:55:51,300 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 02:55:51,301 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 02:55:51,301 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 02:55:51,301 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 02:55:51,302 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_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB 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 -> a853c07cdb9387b63b93be13a2dc9697d60053474c0652611eb00fce1c18c0e9 [2024-11-28 02:55:51,698 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 02:55:51,710 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 02:55:51,713 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 02:55:51,718 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 02:55:51,719 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 02:55:51,722 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-96.i [2024-11-28 02:55:55,420 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/data/7dac8c7b8/5351c18889a64df2a2dd81a97ff5c573/FLAG821f02a91 [2024-11-28 02:55:55,729 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 02:55:55,730 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-96.i [2024-11-28 02:55:55,744 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/data/7dac8c7b8/5351c18889a64df2a2dd81a97ff5c573/FLAG821f02a91 [2024-11-28 02:55:55,762 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/data/7dac8c7b8/5351c18889a64df2a2dd81a97ff5c573 [2024-11-28 02:55:55,765 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 02:55:55,767 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 02:55:55,768 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 02:55:55,769 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 02:55:55,774 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 02:55:55,775 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:55:55" (1/1) ... [2024-11-28 02:55:55,776 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f2187b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:55:55, skipping insertion in model container [2024-11-28 02:55:55,776 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:55:55" (1/1) ... [2024-11-28 02:55:55,801 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 02:55:56,004 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_7fd09000-f42b-4a55-967d-560cee430e77/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-96.i[916,929] [2024-11-28 02:55:56,115 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:55:56,150 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 02:55:56,167 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_7fd09000-f42b-4a55-967d-560cee430e77/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-96.i[916,929] [2024-11-28 02:55:56,211 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:55:56,241 INFO L204 MainTranslator]: Completed translation [2024-11-28 02:55:56,241 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:55:56 WrapperNode [2024-11-28 02:55:56,242 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 02:55:56,243 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 02:55:56,243 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 02:55:56,243 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 02:55:56,252 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:55:56" (1/1) ... [2024-11-28 02:55:56,269 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:55:56" (1/1) ... [2024-11-28 02:55:56,339 INFO L138 Inliner]: procedures = 39, calls = 169, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 518 [2024-11-28 02:55:56,340 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 02:55:56,341 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 02:55:56,341 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 02:55:56,341 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 02:55:56,355 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:55:56" (1/1) ... [2024-11-28 02:55:56,355 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:55:56" (1/1) ... [2024-11-28 02:55:56,364 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:55:56" (1/1) ... [2024-11-28 02:55:56,415 INFO L175 MemorySlicer]: Split 127 memory accesses to 16 slices as follows [2, 15, 6, 14, 12, 6, 8, 6, 6, 5, 10, 10, 15, 3, 3, 6]. 12 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]. The 18 writes are split as follows [0, 2, 1, 1, 1, 2, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1]. [2024-11-28 02:55:56,415 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:55:56" (1/1) ... [2024-11-28 02:55:56,415 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:55:56" (1/1) ... [2024-11-28 02:55:56,461 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:55:56" (1/1) ... [2024-11-28 02:55:56,463 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:55:56" (1/1) ... [2024-11-28 02:55:56,468 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:55:56" (1/1) ... [2024-11-28 02:55:56,479 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:55:56" (1/1) ... [2024-11-28 02:55:56,484 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:55:56" (1/1) ... [2024-11-28 02:55:56,497 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 02:55:56,501 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 02:55:56,501 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 02:55:56,501 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 02:55:56,503 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:55:56" (1/1) ... [2024-11-28 02:55:56,517 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:55:56,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:55:56,555 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 02:55:56,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 02:55:56,595 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 02:55:56,596 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2024-11-28 02:55:56,597 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2024-11-28 02:55:56,597 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#2 [2024-11-28 02:55:56,597 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#3 [2024-11-28 02:55:56,597 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#4 [2024-11-28 02:55:56,597 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#5 [2024-11-28 02:55:56,597 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#6 [2024-11-28 02:55:56,598 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#7 [2024-11-28 02:55:56,598 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#8 [2024-11-28 02:55:56,598 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#9 [2024-11-28 02:55:56,598 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#10 [2024-11-28 02:55:56,598 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#11 [2024-11-28 02:55:56,598 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#12 [2024-11-28 02:55:56,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#13 [2024-11-28 02:55:56,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#14 [2024-11-28 02:55:56,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#15 [2024-11-28 02:55:56,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2024-11-28 02:55:56,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2024-11-28 02:55:56,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#2 [2024-11-28 02:55:56,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#3 [2024-11-28 02:55:56,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#4 [2024-11-28 02:55:56,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#5 [2024-11-28 02:55:56,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#6 [2024-11-28 02:55:56,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#7 [2024-11-28 02:55:56,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#8 [2024-11-28 02:55:56,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#9 [2024-11-28 02:55:56,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#10 [2024-11-28 02:55:56,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#11 [2024-11-28 02:55:56,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#12 [2024-11-28 02:55:56,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#13 [2024-11-28 02:55:56,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#14 [2024-11-28 02:55:56,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#15 [2024-11-28 02:55:56,603 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-28 02:55:56,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-28 02:55:56,607 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-28 02:55:56,607 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-11-28 02:55:56,607 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-11-28 02:55:56,607 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2024-11-28 02:55:56,607 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#6 [2024-11-28 02:55:56,607 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#7 [2024-11-28 02:55:56,607 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#8 [2024-11-28 02:55:56,607 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#9 [2024-11-28 02:55:56,607 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#10 [2024-11-28 02:55:56,608 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#11 [2024-11-28 02:55:56,608 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#12 [2024-11-28 02:55:56,608 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#13 [2024-11-28 02:55:56,608 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#14 [2024-11-28 02:55:56,608 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#15 [2024-11-28 02:55:56,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#0 [2024-11-28 02:55:56,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#1 [2024-11-28 02:55:56,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#2 [2024-11-28 02:55:56,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#3 [2024-11-28 02:55:56,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#4 [2024-11-28 02:55:56,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#5 [2024-11-28 02:55:56,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#6 [2024-11-28 02:55:56,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#7 [2024-11-28 02:55:56,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#8 [2024-11-28 02:55:56,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#9 [2024-11-28 02:55:56,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#10 [2024-11-28 02:55:56,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#11 [2024-11-28 02:55:56,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#12 [2024-11-28 02:55:56,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#13 [2024-11-28 02:55:56,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#14 [2024-11-28 02:55:56,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#15 [2024-11-28 02:55:56,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-28 02:55:56,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-28 02:55:56,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-28 02:55:56,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-28 02:55:56,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-28 02:55:56,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-28 02:55:56,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-28 02:55:56,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-11-28 02:55:56,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2024-11-28 02:55:56,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2024-11-28 02:55:56,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2024-11-28 02:55:56,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#11 [2024-11-28 02:55:56,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#12 [2024-11-28 02:55:56,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#13 [2024-11-28 02:55:56,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#14 [2024-11-28 02:55:56,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#15 [2024-11-28 02:55:56,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-28 02:55:56,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-28 02:55:56,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-11-28 02:55:56,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-11-28 02:55:56,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2024-11-28 02:55:56,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#5 [2024-11-28 02:55:56,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#6 [2024-11-28 02:55:56,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#7 [2024-11-28 02:55:56,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#8 [2024-11-28 02:55:56,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#9 [2024-11-28 02:55:56,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#10 [2024-11-28 02:55:56,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#11 [2024-11-28 02:55:56,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#12 [2024-11-28 02:55:56,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#13 [2024-11-28 02:55:56,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#14 [2024-11-28 02:55:56,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#15 [2024-11-28 02:55:56,615 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2024-11-28 02:55:56,615 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2024-11-28 02:55:56,615 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2024-11-28 02:55:56,615 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2024-11-28 02:55:56,615 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2024-11-28 02:55:56,615 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5 [2024-11-28 02:55:56,615 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#6 [2024-11-28 02:55:56,615 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#7 [2024-11-28 02:55:56,615 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#8 [2024-11-28 02:55:56,615 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#9 [2024-11-28 02:55:56,619 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#10 [2024-11-28 02:55:56,619 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#11 [2024-11-28 02:55:56,619 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#12 [2024-11-28 02:55:56,620 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#13 [2024-11-28 02:55:56,620 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#14 [2024-11-28 02:55:56,620 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#15 [2024-11-28 02:55:56,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#0 [2024-11-28 02:55:56,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#1 [2024-11-28 02:55:56,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#2 [2024-11-28 02:55:56,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#3 [2024-11-28 02:55:56,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#4 [2024-11-28 02:55:56,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#5 [2024-11-28 02:55:56,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#6 [2024-11-28 02:55:56,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#7 [2024-11-28 02:55:56,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#8 [2024-11-28 02:55:56,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#9 [2024-11-28 02:55:56,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#10 [2024-11-28 02:55:56,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#11 [2024-11-28 02:55:56,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#12 [2024-11-28 02:55:56,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#13 [2024-11-28 02:55:56,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#14 [2024-11-28 02:55:56,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#15 [2024-11-28 02:55:56,622 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-28 02:55:56,622 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-28 02:55:56,622 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-28 02:55:56,622 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-28 02:55:56,622 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-28 02:55:56,622 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-28 02:55:56,622 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-11-28 02:55:56,622 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2024-11-28 02:55:56,622 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2024-11-28 02:55:56,622 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2024-11-28 02:55:56,622 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#10 [2024-11-28 02:55:56,622 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#11 [2024-11-28 02:55:56,623 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#12 [2024-11-28 02:55:56,623 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#13 [2024-11-28 02:55:56,623 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#14 [2024-11-28 02:55:56,623 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#15 [2024-11-28 02:55:56,623 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#0 [2024-11-28 02:55:56,623 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#1 [2024-11-28 02:55:56,623 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#2 [2024-11-28 02:55:56,623 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#3 [2024-11-28 02:55:56,623 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#4 [2024-11-28 02:55:56,623 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#5 [2024-11-28 02:55:56,623 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#6 [2024-11-28 02:55:56,623 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#7 [2024-11-28 02:55:56,626 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#8 [2024-11-28 02:55:56,626 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#9 [2024-11-28 02:55:56,626 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#10 [2024-11-28 02:55:56,626 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#11 [2024-11-28 02:55:56,627 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#12 [2024-11-28 02:55:56,627 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#13 [2024-11-28 02:55:56,627 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#14 [2024-11-28 02:55:56,627 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#15 [2024-11-28 02:55:56,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2024-11-28 02:55:56,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2024-11-28 02:55:56,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2024-11-28 02:55:56,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2024-11-28 02:55:56,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4 [2024-11-28 02:55:56,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5 [2024-11-28 02:55:56,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#6 [2024-11-28 02:55:56,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#7 [2024-11-28 02:55:56,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#8 [2024-11-28 02:55:56,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#9 [2024-11-28 02:55:56,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#10 [2024-11-28 02:55:56,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#11 [2024-11-28 02:55:56,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#12 [2024-11-28 02:55:56,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#13 [2024-11-28 02:55:56,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#14 [2024-11-28 02:55:56,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#15 [2024-11-28 02:55:56,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0 [2024-11-28 02:55:56,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1 [2024-11-28 02:55:56,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#2 [2024-11-28 02:55:56,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#3 [2024-11-28 02:55:56,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#4 [2024-11-28 02:55:56,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#5 [2024-11-28 02:55:56,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#6 [2024-11-28 02:55:56,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#7 [2024-11-28 02:55:56,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#8 [2024-11-28 02:55:56,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#9 [2024-11-28 02:55:56,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#10 [2024-11-28 02:55:56,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#11 [2024-11-28 02:55:56,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#12 [2024-11-28 02:55:56,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#13 [2024-11-28 02:55:56,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#14 [2024-11-28 02:55:56,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#15 [2024-11-28 02:55:56,633 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 02:55:56,633 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 02:55:56,633 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 02:55:56,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 02:55:56,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-28 02:55:56,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-28 02:55:56,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-11-28 02:55:56,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-11-28 02:55:56,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-11-28 02:55:56,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2024-11-28 02:55:56,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#6 [2024-11-28 02:55:56,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#7 [2024-11-28 02:55:56,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#8 [2024-11-28 02:55:56,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#9 [2024-11-28 02:55:56,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#10 [2024-11-28 02:55:56,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#11 [2024-11-28 02:55:56,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#12 [2024-11-28 02:55:56,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#13 [2024-11-28 02:55:56,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#14 [2024-11-28 02:55:56,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#15 [2024-11-28 02:55:56,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#0 [2024-11-28 02:55:56,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#1 [2024-11-28 02:55:56,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#2 [2024-11-28 02:55:56,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#3 [2024-11-28 02:55:56,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#4 [2024-11-28 02:55:56,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#5 [2024-11-28 02:55:56,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#6 [2024-11-28 02:55:56,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#7 [2024-11-28 02:55:56,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#8 [2024-11-28 02:55:56,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#9 [2024-11-28 02:55:56,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#10 [2024-11-28 02:55:56,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#11 [2024-11-28 02:55:56,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#12 [2024-11-28 02:55:56,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#13 [2024-11-28 02:55:56,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#14 [2024-11-28 02:55:56,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#15 [2024-11-28 02:55:56,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-28 02:55:56,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-28 02:55:56,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-28 02:55:56,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-28 02:55:56,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-28 02:55:56,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-28 02:55:56,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-11-28 02:55:56,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2024-11-28 02:55:56,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2024-11-28 02:55:56,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#9 [2024-11-28 02:55:56,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#10 [2024-11-28 02:55:56,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#11 [2024-11-28 02:55:56,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#12 [2024-11-28 02:55:56,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#13 [2024-11-28 02:55:56,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#14 [2024-11-28 02:55:56,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#15 [2024-11-28 02:55:57,217 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 02:55:57,219 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 02:55:59,191 INFO L? ?]: Removed 113 outVars from TransFormulas that were not future-live. [2024-11-28 02:55:59,191 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 02:55:59,212 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 02:55:59,212 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 02:55:59,214 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:55:59 BoogieIcfgContainer [2024-11-28 02:55:59,214 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 02:55:59,217 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 02:55:59,218 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 02:55:59,224 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 02:55:59,224 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:55:55" (1/3) ... [2024-11-28 02:55:59,225 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f6f8be6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:55:59, skipping insertion in model container [2024-11-28 02:55:59,225 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:55:56" (2/3) ... [2024-11-28 02:55:59,226 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f6f8be6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:55:59, skipping insertion in model container [2024-11-28 02:55:59,226 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:55:59" (3/3) ... [2024-11-28 02:55:59,228 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-p_file-96.i [2024-11-28 02:55:59,249 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 02:55:59,251 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-p_file-96.i that has 2 procedures, 108 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 02:55:59,342 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 02:55:59,363 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;@35c0cacd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 02:55:59,363 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 02:55:59,371 INFO L276 IsEmpty]: Start isEmpty. Operand has 108 states, 89 states have (on average 1.4269662921348314) internal successors, (127), 90 states have internal predecessors, (127), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-28 02:55:59,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-28 02:55:59,393 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:55:59,394 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:55:59,395 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:55:59,407 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:55:59,408 INFO L85 PathProgramCache]: Analyzing trace with hash -1336021733, now seen corresponding path program 1 times [2024-11-28 02:55:59,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:55:59,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [935223094] [2024-11-28 02:55:59,431 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:55:59,431 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 [2024-11-28 02:55:59,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:55:59,439 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-28 02:55:59,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-28 02:56:00,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:56:00,239 INFO L256 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 02:56:00,248 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:56:00,307 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 254 proven. 0 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2024-11-28 02:56:00,308 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:56:00,311 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:56:00,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [935223094] [2024-11-28 02:56:00,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [935223094] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:56:00,312 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:56:00,312 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:56:00,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277261771] [2024-11-28 02:56:00,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:56:00,322 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 02:56:00,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:56:00,350 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 02:56:00,350 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 02:56:00,355 INFO L87 Difference]: Start difference. First operand has 108 states, 89 states have (on average 1.4269662921348314) internal successors, (127), 90 states have internal predecessors, (127), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-28 02:56:00,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:56:00,407 INFO L93 Difference]: Finished difference Result 209 states and 328 transitions. [2024-11-28 02:56:00,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 02:56:00,410 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 131 [2024-11-28 02:56:00,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:56:00,422 INFO L225 Difference]: With dead ends: 209 [2024-11-28 02:56:00,423 INFO L226 Difference]: Without dead ends: 104 [2024-11-28 02:56:00,428 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 02:56:00,433 INFO L435 NwaCegarLoop]: 152 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, 152 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 [2024-11-28 02:56:00,434 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:56:00,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2024-11-28 02:56:00,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2024-11-28 02:56:00,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 86 states have (on average 1.3953488372093024) internal successors, (120), 86 states have internal predecessors, (120), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-28 02:56:00,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 152 transitions. [2024-11-28 02:56:00,498 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 152 transitions. Word has length 131 [2024-11-28 02:56:00,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:56:00,501 INFO L471 AbstractCegarLoop]: Abstraction has 104 states and 152 transitions. [2024-11-28 02:56:00,501 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-28 02:56:00,502 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 152 transitions. [2024-11-28 02:56:00,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-28 02:56:00,506 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:56:00,507 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:56:00,515 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-28 02:56:00,707 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:56:00,708 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:56:00,708 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:56:00,708 INFO L85 PathProgramCache]: Analyzing trace with hash -1168156737, now seen corresponding path program 1 times [2024-11-28 02:56:00,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:56:00,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1604624854] [2024-11-28 02:56:00,710 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:56:00,710 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 [2024-11-28 02:56:00,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:56:00,715 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-28 02:56:00,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-28 02:56:01,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:56:01,381 INFO L256 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 02:56:01,396 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:56:01,502 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 5 [2024-11-28 02:56:01,538 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-28 02:56:01,538 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:56:01,538 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:56:01,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1604624854] [2024-11-28 02:56:01,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1604624854] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:56:01,539 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:56:01,539 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:56:01,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054909722] [2024-11-28 02:56:01,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:56:01,541 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:56:01,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:56:01,542 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:56:01,542 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:56:01,542 INFO L87 Difference]: Start difference. First operand 104 states and 152 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 02:56:01,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:56:01,620 INFO L93 Difference]: Finished difference Result 205 states and 301 transitions. [2024-11-28 02:56:01,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:56:01,621 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 131 [2024-11-28 02:56:01,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:56:01,625 INFO L225 Difference]: With dead ends: 205 [2024-11-28 02:56:01,625 INFO L226 Difference]: Without dead ends: 104 [2024-11-28 02:56:01,626 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:56:01,629 INFO L435 NwaCegarLoop]: 150 mSDtfsCounter, 0 mSDsluCounter, 145 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 295 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:56:01,629 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 295 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:56:01,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2024-11-28 02:56:01,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2024-11-28 02:56:01,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 86 states have (on average 1.3837209302325582) internal successors, (119), 86 states have internal predecessors, (119), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-28 02:56:01,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 151 transitions. [2024-11-28 02:56:01,654 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 151 transitions. Word has length 131 [2024-11-28 02:56:01,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:56:01,656 INFO L471 AbstractCegarLoop]: Abstraction has 104 states and 151 transitions. [2024-11-28 02:56:01,656 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 02:56:01,656 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 151 transitions. [2024-11-28 02:56:01,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-28 02:56:01,658 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:56:01,659 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:56:01,669 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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)] Forceful destruction successful, exit code 0 [2024-11-28 02:56:01,859 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:56:01,860 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:56:01,860 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:56:01,860 INFO L85 PathProgramCache]: Analyzing trace with hash 1437866817, now seen corresponding path program 1 times [2024-11-28 02:56:01,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:56:01,861 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1372770772] [2024-11-28 02:56:01,861 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:56:01,862 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 [2024-11-28 02:56:01,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:56:01,866 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-28 02:56:01,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-28 02:56:02,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:56:02,490 INFO L256 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 02:56:02,495 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:56:02,557 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-28 02:56:02,560 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:56:02,561 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:56:02,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1372770772] [2024-11-28 02:56:02,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1372770772] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:56:02,561 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:56:02,561 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 02:56:02,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463369865] [2024-11-28 02:56:02,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:56:02,562 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:56:02,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:56:02,563 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:56:02,563 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:56:02,567 INFO L87 Difference]: Start difference. First operand 104 states and 151 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 02:56:02,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:56:02,694 INFO L93 Difference]: Finished difference Result 210 states and 306 transitions. [2024-11-28 02:56:02,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 02:56:02,696 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 131 [2024-11-28 02:56:02,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:56:02,698 INFO L225 Difference]: With dead ends: 210 [2024-11-28 02:56:02,698 INFO L226 Difference]: Without dead ends: 109 [2024-11-28 02:56:02,699 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:56:02,704 INFO L435 NwaCegarLoop]: 146 mSDtfsCounter, 1 mSDsluCounter, 422 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 568 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:56:02,704 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 568 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 02:56:02,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2024-11-28 02:56:02,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 108. [2024-11-28 02:56:02,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 90 states have (on average 1.3666666666666667) internal successors, (123), 90 states have internal predecessors, (123), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-28 02:56:02,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 155 transitions. [2024-11-28 02:56:02,721 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 155 transitions. Word has length 131 [2024-11-28 02:56:02,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:56:02,722 INFO L471 AbstractCegarLoop]: Abstraction has 108 states and 155 transitions. [2024-11-28 02:56:02,722 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 02:56:02,722 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 155 transitions. [2024-11-28 02:56:02,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-28 02:56:02,725 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:56:02,725 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:56:02,735 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-28 02:56:02,925 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:56:02,927 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:56:02,928 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:56:02,928 INFO L85 PathProgramCache]: Analyzing trace with hash 2117925187, now seen corresponding path program 1 times [2024-11-28 02:56:02,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:56:02,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [618629739] [2024-11-28 02:56:02,929 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:56:02,929 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 [2024-11-28 02:56:02,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:56:02,932 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-28 02:56:02,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-28 02:56:03,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:56:03,523 INFO L256 TraceCheckSpWp]: Trace formula consists of 353 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 02:56:03,529 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:56:03,635 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-28 02:56:03,636 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:56:03,636 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:56:03,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [618629739] [2024-11-28 02:56:03,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [618629739] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:56:03,636 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:56:03,637 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 02:56:03,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115521403] [2024-11-28 02:56:03,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:56:03,638 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 02:56:03,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:56:03,639 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 02:56:03,639 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 02:56:03,640 INFO L87 Difference]: Start difference. First operand 108 states and 155 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 02:56:03,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:56:03,917 INFO L93 Difference]: Finished difference Result 216 states and 311 transitions. [2024-11-28 02:56:03,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 02:56:03,919 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 131 [2024-11-28 02:56:03,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:56:03,921 INFO L225 Difference]: With dead ends: 216 [2024-11-28 02:56:03,921 INFO L226 Difference]: Without dead ends: 111 [2024-11-28 02:56:03,922 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 02:56:03,923 INFO L435 NwaCegarLoop]: 144 mSDtfsCounter, 1 mSDsluCounter, 556 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 700 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 02:56:03,923 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 700 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 02:56:03,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2024-11-28 02:56:03,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 110. [2024-11-28 02:56:03,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 92 states have (on average 1.358695652173913) internal successors, (125), 92 states have internal predecessors, (125), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-28 02:56:03,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 157 transitions. [2024-11-28 02:56:03,935 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 157 transitions. Word has length 131 [2024-11-28 02:56:03,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:56:03,936 INFO L471 AbstractCegarLoop]: Abstraction has 110 states and 157 transitions. [2024-11-28 02:56:03,936 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 02:56:03,936 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 157 transitions. [2024-11-28 02:56:03,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-28 02:56:03,939 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:56:03,939 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:56:03,950 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-28 02:56:04,143 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:56:04,143 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:56:04,143 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:56:04,144 INFO L85 PathProgramCache]: Analyzing trace with hash -402034747, now seen corresponding path program 1 times [2024-11-28 02:56:04,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:56:04,144 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1171242171] [2024-11-28 02:56:04,145 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:56:04,145 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 [2024-11-28 02:56:04,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:56:04,149 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-28 02:56:04,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-28 02:56:04,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:56:04,669 INFO L256 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-28 02:56:04,674 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:56:04,773 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-28 02:56:04,773 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:56:04,773 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:56:04,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1171242171] [2024-11-28 02:56:04,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1171242171] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:56:04,773 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:56:04,774 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-28 02:56:04,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775562409] [2024-11-28 02:56:04,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:56:04,774 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 02:56:04,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:56:04,775 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 02:56:04,775 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-28 02:56:04,776 INFO L87 Difference]: Start difference. First operand 110 states and 157 transitions. Second operand has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 02:56:05,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:56:05,094 INFO L93 Difference]: Finished difference Result 220 states and 315 transitions. [2024-11-28 02:56:05,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 02:56:05,094 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 131 [2024-11-28 02:56:05,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:56:05,096 INFO L225 Difference]: With dead ends: 220 [2024-11-28 02:56:05,096 INFO L226 Difference]: Without dead ends: 113 [2024-11-28 02:56:05,097 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-28 02:56:05,098 INFO L435 NwaCegarLoop]: 142 mSDtfsCounter, 1 mSDsluCounter, 691 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 833 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 02:56:05,098 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 833 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 02:56:05,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2024-11-28 02:56:05,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 112. [2024-11-28 02:56:05,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 94 states have (on average 1.351063829787234) internal successors, (127), 94 states have internal predecessors, (127), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-28 02:56:05,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 159 transitions. [2024-11-28 02:56:05,110 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 159 transitions. Word has length 131 [2024-11-28 02:56:05,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:56:05,110 INFO L471 AbstractCegarLoop]: Abstraction has 112 states and 159 transitions. [2024-11-28 02:56:05,111 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 02:56:05,111 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 159 transitions. [2024-11-28 02:56:05,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-28 02:56:05,113 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:56:05,113 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:56:05,124 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-28 02:56:05,314 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:56:05,314 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:56:05,314 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:56:05,315 INFO L85 PathProgramCache]: Analyzing trace with hash -400187705, now seen corresponding path program 1 times [2024-11-28 02:56:05,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:56:05,315 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [10111094] [2024-11-28 02:56:05,315 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:56:05,316 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 [2024-11-28 02:56:05,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:56:05,320 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-28 02:56:05,321 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-28 02:56:05,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:56:05,849 INFO L256 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-28 02:56:05,856 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:56:06,317 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 [2024-11-28 02:56:06,412 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 [2024-11-28 02:56:06,431 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 [2024-11-28 02:56:06,476 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 220 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2024-11-28 02:56:06,477 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:56:06,736 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-28 02:56:06,737 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:56:06,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [10111094] [2024-11-28 02:56:06,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [10111094] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-28 02:56:06,737 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:56:06,737 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 8 [2024-11-28 02:56:06,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857350656] [2024-11-28 02:56:06,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:56:06,738 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:56:06,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:56:06,740 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:56:06,741 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-28 02:56:06,741 INFO L87 Difference]: Start difference. First operand 112 states and 159 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 02:56:07,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:56:07,271 INFO L93 Difference]: Finished difference Result 294 states and 416 transitions. [2024-11-28 02:56:07,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 02:56:07,273 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 131 [2024-11-28 02:56:07,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:56:07,275 INFO L225 Difference]: With dead ends: 294 [2024-11-28 02:56:07,275 INFO L226 Difference]: Without dead ends: 185 [2024-11-28 02:56:07,276 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 262 GetRequests, 254 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-11-28 02:56:07,280 INFO L435 NwaCegarLoop]: 169 mSDtfsCounter, 84 mSDsluCounter, 455 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 624 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 02:56:07,280 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 624 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 02:56:07,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2024-11-28 02:56:07,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 182. [2024-11-28 02:56:07,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 159 states have (on average 1.3647798742138364) internal successors, (217), 160 states have internal predecessors, (217), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 19 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-28 02:56:07,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 257 transitions. [2024-11-28 02:56:07,304 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 257 transitions. Word has length 131 [2024-11-28 02:56:07,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:56:07,304 INFO L471 AbstractCegarLoop]: Abstraction has 182 states and 257 transitions. [2024-11-28 02:56:07,304 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 02:56:07,304 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 257 transitions. [2024-11-28 02:56:07,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-28 02:56:07,310 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:56:07,310 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:56:07,321 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-28 02:56:07,511 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:56:07,511 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:56:07,511 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:56:07,511 INFO L85 PathProgramCache]: Analyzing trace with hash -1788294046, now seen corresponding path program 1 times [2024-11-28 02:56:07,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:56:07,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [460870191] [2024-11-28 02:56:07,512 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:56:07,512 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 [2024-11-28 02:56:07,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:56:07,514 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-28 02:56:07,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-28 02:56:07,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:56:07,968 INFO L256 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 02:56:07,973 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:56:08,004 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 17 treesize of output 9 [2024-11-28 02:56:08,352 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-28 02:56:08,352 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:56:08,352 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:56:08,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [460870191] [2024-11-28 02:56:08,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [460870191] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:56:08,353 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:56:08,353 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:56:08,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695445552] [2024-11-28 02:56:08,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:56:08,354 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:56:08,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:56:08,354 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:56:08,354 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:56:08,355 INFO L87 Difference]: Start difference. First operand 182 states and 257 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, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 02:56:08,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:56:08,593 INFO L93 Difference]: Finished difference Result 524 states and 738 transitions. [2024-11-28 02:56:08,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:56:08,594 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, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 133 [2024-11-28 02:56:08,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:56:08,598 INFO L225 Difference]: With dead ends: 524 [2024-11-28 02:56:08,598 INFO L226 Difference]: Without dead ends: 345 [2024-11-28 02:56:08,599 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:56:08,599 INFO L435 NwaCegarLoop]: 142 mSDtfsCounter, 242 mSDsluCounter, 282 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 242 SdHoareTripleChecker+Valid, 424 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 02:56:08,600 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [242 Valid, 424 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 02:56:08,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2024-11-28 02:56:08,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 304. [2024-11-28 02:56:08,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 304 states, 259 states have (on average 1.3436293436293436) internal successors, (348), 261 states have internal predecessors, (348), 40 states have call successors, (40), 4 states have call predecessors, (40), 4 states have return successors, (40), 38 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-28 02:56:08,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 428 transitions. [2024-11-28 02:56:08,625 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 428 transitions. Word has length 133 [2024-11-28 02:56:08,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:56:08,626 INFO L471 AbstractCegarLoop]: Abstraction has 304 states and 428 transitions. [2024-11-28 02:56:08,626 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, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 02:56:08,626 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 428 transitions. [2024-11-28 02:56:08,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-28 02:56:08,628 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:56:08,628 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:56:08,636 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-28 02:56:08,828 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:56:08,829 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:56:08,829 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:56:08,829 INFO L85 PathProgramCache]: Analyzing trace with hash -748412699, now seen corresponding path program 1 times [2024-11-28 02:56:08,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:56:08,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [232208162] [2024-11-28 02:56:08,830 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:56:08,830 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 [2024-11-28 02:56:08,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:56:08,831 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-28 02:56:08,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-28 02:56:09,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:56:09,219 INFO L256 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 02:56:09,222 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:56:09,262 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-28 02:56:09,263 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:56:09,263 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:56:09,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [232208162] [2024-11-28 02:56:09,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [232208162] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:56:09,263 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:56:09,263 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 02:56:09,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724138231] [2024-11-28 02:56:09,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:56:09,264 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:56:09,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:56:09,264 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:56:09,264 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:56:09,265 INFO L87 Difference]: Start difference. First operand 304 states and 428 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 02:56:09,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:56:09,340 INFO L93 Difference]: Finished difference Result 605 states and 852 transitions. [2024-11-28 02:56:09,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 02:56:09,340 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 133 [2024-11-28 02:56:09,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:56:09,343 INFO L225 Difference]: With dead ends: 605 [2024-11-28 02:56:09,343 INFO L226 Difference]: Without dead ends: 313 [2024-11-28 02:56:09,344 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:56:09,344 INFO L435 NwaCegarLoop]: 148 mSDtfsCounter, 0 mSDsluCounter, 427 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 575 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:56:09,345 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 575 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:56:09,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2024-11-28 02:56:09,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 313. [2024-11-28 02:56:09,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 313 states, 268 states have (on average 1.3320895522388059) internal successors, (357), 270 states have internal predecessors, (357), 40 states have call successors, (40), 4 states have call predecessors, (40), 4 states have return successors, (40), 38 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-28 02:56:09,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 437 transitions. [2024-11-28 02:56:09,367 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 437 transitions. Word has length 133 [2024-11-28 02:56:09,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:56:09,367 INFO L471 AbstractCegarLoop]: Abstraction has 313 states and 437 transitions. [2024-11-28 02:56:09,367 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 02:56:09,368 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 437 transitions. [2024-11-28 02:56:09,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-28 02:56:09,369 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:56:09,369 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:56:09,377 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-28 02:56:09,574 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:56:09,574 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:56:09,574 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:56:09,574 INFO L85 PathProgramCache]: Analyzing trace with hash -254156006, now seen corresponding path program 1 times [2024-11-28 02:56:09,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:56:09,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [249088981] [2024-11-28 02:56:09,575 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:56:09,575 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 [2024-11-28 02:56:09,575 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:56:09,577 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-28 02:56:09,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-28 02:56:09,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:56:09,992 INFO L256 TraceCheckSpWp]: Trace formula consists of 358 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-28 02:56:09,995 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:56:10,695 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 14 proven. 102 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-28 02:56:10,696 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:56:10,913 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-28 02:56:10,913 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:56:10,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [249088981] [2024-11-28 02:56:10,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [249088981] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-28 02:56:10,914 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:56:10,914 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 11 [2024-11-28 02:56:10,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878069554] [2024-11-28 02:56:10,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:56:10,915 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:56:10,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:56:10,915 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:56:10,916 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-11-28 02:56:10,916 INFO L87 Difference]: Start difference. First operand 313 states and 437 transitions. Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 02:56:11,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:56:11,034 INFO L93 Difference]: Finished difference Result 741 states and 1026 transitions. [2024-11-28 02:56:11,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 02:56:11,035 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 136 [2024-11-28 02:56:11,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:56:11,038 INFO L225 Difference]: With dead ends: 741 [2024-11-28 02:56:11,038 INFO L226 Difference]: Without dead ends: 440 [2024-11-28 02:56:11,039 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 271 GetRequests, 261 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-11-28 02:56:11,040 INFO L435 NwaCegarLoop]: 147 mSDtfsCounter, 45 mSDsluCounter, 425 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 572 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:56:11,040 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 572 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 02:56:11,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2024-11-28 02:56:11,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 352. [2024-11-28 02:56:11,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 352 states, 307 states have (on average 1.3387622149837133) internal successors, (411), 309 states have internal predecessors, (411), 40 states have call successors, (40), 4 states have call predecessors, (40), 4 states have return successors, (40), 38 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-28 02:56:11,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 352 states and 491 transitions. [2024-11-28 02:56:11,063 INFO L78 Accepts]: Start accepts. Automaton has 352 states and 491 transitions. Word has length 136 [2024-11-28 02:56:11,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:56:11,064 INFO L471 AbstractCegarLoop]: Abstraction has 352 states and 491 transitions. [2024-11-28 02:56:11,064 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 02:56:11,064 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 491 transitions. [2024-11-28 02:56:11,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-28 02:56:11,066 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:56:11,066 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:56:11,075 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-28 02:56:11,266 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:56:11,266 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:56:11,267 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:56:11,267 INFO L85 PathProgramCache]: Analyzing trace with hash -1530194232, now seen corresponding path program 1 times [2024-11-28 02:56:11,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:56:11,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1420723035] [2024-11-28 02:56:11,267 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:56:11,267 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 [2024-11-28 02:56:11,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:56:11,269 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-28 02:56:11,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-28 02:56:11,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:56:11,701 INFO L256 TraceCheckSpWp]: Trace formula consists of 368 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 02:56:11,704 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:56:11,716 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2024-11-28 02:56:11,719 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2024-11-28 02:56:11,821 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-11-28 02:56:11,844 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-28 02:56:11,844 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:56:11,844 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:56:11,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1420723035] [2024-11-28 02:56:11,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1420723035] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:56:11,844 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:56:11,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 02:56:11,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467446240] [2024-11-28 02:56:11,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:56:11,845 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:56:11,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:56:11,846 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:56:11,846 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:56:11,846 INFO L87 Difference]: Start difference. First operand 352 states and 491 transitions. Second operand has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 02:56:12,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:56:12,047 INFO L93 Difference]: Finished difference Result 743 states and 1039 transitions. [2024-11-28 02:56:12,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:56:12,053 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 137 [2024-11-28 02:56:12,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:56:12,057 INFO L225 Difference]: With dead ends: 743 [2024-11-28 02:56:12,057 INFO L226 Difference]: Without dead ends: 403 [2024-11-28 02:56:12,058 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:56:12,059 INFO L435 NwaCegarLoop]: 225 mSDtfsCounter, 136 mSDsluCounter, 307 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 532 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 02:56:12,059 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 532 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 02:56:12,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states. [2024-11-28 02:56:12,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 390. [2024-11-28 02:56:12,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 390 states, 332 states have (on average 1.322289156626506) internal successors, (439), 334 states have internal predecessors, (439), 52 states have call successors, (52), 5 states have call predecessors, (52), 5 states have return successors, (52), 50 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-28 02:56:12,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 390 states and 543 transitions. [2024-11-28 02:56:12,093 INFO L78 Accepts]: Start accepts. Automaton has 390 states and 543 transitions. Word has length 137 [2024-11-28 02:56:12,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:56:12,094 INFO L471 AbstractCegarLoop]: Abstraction has 390 states and 543 transitions. [2024-11-28 02:56:12,094 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 02:56:12,094 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 543 transitions. [2024-11-28 02:56:12,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-28 02:56:12,096 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:56:12,096 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:56:12,106 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-28 02:56:12,296 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:56:12,297 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:56:12,297 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:56:12,297 INFO L85 PathProgramCache]: Analyzing trace with hash 1753655814, now seen corresponding path program 1 times [2024-11-28 02:56:12,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:56:12,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [346125965] [2024-11-28 02:56:12,298 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:56:12,298 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 [2024-11-28 02:56:12,298 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:56:12,300 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-28 02:56:12,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-28 02:56:12,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:56:12,741 INFO L256 TraceCheckSpWp]: Trace formula consists of 368 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-28 02:56:12,745 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:56:13,596 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 [2024-11-28 02:56:13,712 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 51 treesize of output 39 [2024-11-28 02:56:13,722 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2024-11-28 02:56:13,791 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 368 trivial. 0 not checked. [2024-11-28 02:56:13,791 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:56:14,134 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-28 02:56:14,134 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:56:14,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [346125965] [2024-11-28 02:56:14,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [346125965] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-28 02:56:14,134 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:56:14,134 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 10 [2024-11-28 02:56:14,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234911668] [2024-11-28 02:56:14,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:56:14,135 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 02:56:14,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:56:14,135 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 02:56:14,135 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-28 02:56:14,136 INFO L87 Difference]: Start difference. First operand 390 states and 543 transitions. Second operand has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 02:56:14,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:56:14,333 INFO L93 Difference]: Finished difference Result 409 states and 562 transitions. [2024-11-28 02:56:14,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 02:56:14,334 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 137 [2024-11-28 02:56:14,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:56:14,337 INFO L225 Difference]: With dead ends: 409 [2024-11-28 02:56:14,338 INFO L226 Difference]: Without dead ends: 407 [2024-11-28 02:56:14,339 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 275 GetRequests, 264 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2024-11-28 02:56:14,340 INFO L435 NwaCegarLoop]: 208 mSDtfsCounter, 104 mSDsluCounter, 705 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 913 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:56:14,340 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 913 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 02:56:14,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2024-11-28 02:56:14,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 407. [2024-11-28 02:56:14,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 407 states, 347 states have (on average 1.30835734870317) internal successors, (454), 349 states have internal predecessors, (454), 52 states have call successors, (52), 7 states have call predecessors, (52), 7 states have return successors, (52), 50 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-28 02:56:14,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 558 transitions. [2024-11-28 02:56:14,391 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 558 transitions. Word has length 137 [2024-11-28 02:56:14,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:56:14,391 INFO L471 AbstractCegarLoop]: Abstraction has 407 states and 558 transitions. [2024-11-28 02:56:14,392 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 02:56:14,392 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 558 transitions. [2024-11-28 02:56:14,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-28 02:56:14,393 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:56:14,394 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:56:14,402 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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)] Forceful destruction successful, exit code 0 [2024-11-28 02:56:14,594 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:56:14,594 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:56:14,595 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:56:14,595 INFO L85 PathProgramCache]: Analyzing trace with hash 1755502856, now seen corresponding path program 1 times [2024-11-28 02:56:14,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:56:14,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1846644779] [2024-11-28 02:56:14,595 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:56:14,595 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 [2024-11-28 02:56:14,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:56:14,597 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-28 02:56:14,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-28 02:56:15,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:56:15,130 INFO L256 TraceCheckSpWp]: Trace formula consists of 365 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-28 02:56:15,135 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:56:18,035 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-28 02:56:27,985 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 203 treesize of output 167 [2024-11-28 02:56:28,017 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:56:28,017 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 267 treesize of output 117 [2024-11-28 02:56:28,736 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 192 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-11-28 02:56:28,736 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:56:41,301 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:56:41,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1846644779] [2024-11-28 02:56:41,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1846644779] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:56:41,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [970249633] [2024-11-28 02:56:41,302 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:56:41,302 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-28 02:56:41,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 [2024-11-28 02:56:41,308 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-28 02:56:41,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-28 02:56:42,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:56:42,789 INFO L256 TraceCheckSpWp]: Trace formula consists of 365 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-28 02:56:42,794 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:56:45,054 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 [2024-11-28 02:56:49,028 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-28 02:57:11,614 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 185 treesize of output 149 [2024-11-28 02:57:11,619 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 253 treesize of output 125 [2024-11-28 02:57:12,067 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 192 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-11-28 02:57:12,067 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:57:21,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [970249633] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:57:21,623 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 02:57:21,624 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2024-11-28 02:57:21,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442881993] [2024-11-28 02:57:21,624 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 02:57:21,624 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-28 02:57:21,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:57:21,625 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-28 02:57:21,625 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=250, Unknown=0, NotChecked=0, Total=306 [2024-11-28 02:57:21,625 INFO L87 Difference]: Start difference. First operand 407 states and 558 transitions. Second operand has 16 states, 16 states have (on average 7.5) internal successors, (120), 15 states have internal predecessors, (120), 4 states have call successors, (32), 4 states have call predecessors, (32), 4 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) [2024-11-28 02:57:39,455 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 [0] [2024-11-28 02:57:44,958 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:57:49,022 WARN L539 Checker$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 [0] [2024-11-28 02:57:53,418 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:57:56,473 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:58:00,908 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:58:04,966 WARN L539 Checker$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 [0] [2024-11-28 02:58:08,653 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.31s for a HTC check with result VALID. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:58:11,595 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.91s for a HTC check with result VALID. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:58:15,791 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.63s for a HTC check with result VALID. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:58:17,517 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result VALID. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:58:21,964 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:58:26,060 WARN L539 Checker$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 [0] [2024-11-28 02:58:30,446 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:58:34,493 WARN L539 Checker$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 [0] [2024-11-28 02:58:38,805 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:58:42,875 WARN L539 Checker$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 [0] [2024-11-28 02:58:47,217 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:58:51,309 WARN L539 Checker$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 [0] [2024-11-28 02:58:56,541 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:59:01,885 WARN L539 Checker$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 [0] [2024-11-28 02:59:05,952 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 [0] [2024-11-28 02:59:06,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:59:06,429 INFO L93 Difference]: Finished difference Result 1149 states and 1559 transitions. [2024-11-28 02:59:06,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-28 02:59:06,439 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.5) internal successors, (120), 15 states have internal predecessors, (120), 4 states have call successors, (32), 4 states have call predecessors, (32), 4 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) Word has length 137 [2024-11-28 02:59:06,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:59:06,445 INFO L225 Difference]: With dead ends: 1149 [2024-11-28 02:59:06,445 INFO L226 Difference]: Without dead ends: 792 [2024-11-28 02:59:06,446 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 345 GetRequests, 320 SyntacticMatches, 2 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 21.0s TimeCoverageRelationStatistics Valid=125, Invalid=475, Unknown=0, NotChecked=0, Total=600 [2024-11-28 02:59:06,447 INFO L435 NwaCegarLoop]: 177 mSDtfsCounter, 383 mSDsluCounter, 1283 mSDsCounter, 0 mSdLazyCounter, 626 mSolverCounterSat, 64 mSolverCounterUnsat, 17 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 97.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 383 SdHoareTripleChecker+Valid, 1460 SdHoareTripleChecker+Invalid, 707 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 626 IncrementalHoareTripleChecker+Invalid, 17 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 98.2s IncrementalHoareTripleChecker+Time [2024-11-28 02:59:06,447 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [383 Valid, 1460 Invalid, 707 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 626 Invalid, 17 Unknown, 0 Unchecked, 98.2s Time] [2024-11-28 02:59:06,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 792 states. [2024-11-28 02:59:06,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 792 to 788. [2024-11-28 02:59:06,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 788 states, 677 states have (on average 1.3028064992614476) internal successors, (882), 683 states have internal predecessors, (882), 92 states have call successors, (92), 18 states have call predecessors, (92), 18 states have return successors, (92), 86 states have call predecessors, (92), 92 states have call successors, (92) [2024-11-28 02:59:06,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 788 states to 788 states and 1066 transitions. [2024-11-28 02:59:06,540 INFO L78 Accepts]: Start accepts. Automaton has 788 states and 1066 transitions. Word has length 137 [2024-11-28 02:59:06,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:59:06,541 INFO L471 AbstractCegarLoop]: Abstraction has 788 states and 1066 transitions. [2024-11-28 02:59:06,541 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.5) internal successors, (120), 15 states have internal predecessors, (120), 4 states have call successors, (32), 4 states have call predecessors, (32), 4 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) [2024-11-28 02:59:06,541 INFO L276 IsEmpty]: Start isEmpty. Operand 788 states and 1066 transitions. [2024-11-28 02:59:06,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-28 02:59:06,544 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:59:06,544 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:59:06,554 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-28 02:59:06,753 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-11-28 02:59:06,945 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt [2024-11-28 02:59:06,946 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:59:06,946 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:59:06,946 INFO L85 PathProgramCache]: Analyzing trace with hash -764457078, now seen corresponding path program 1 times [2024-11-28 02:59:06,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:59:06,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [582740546] [2024-11-28 02:59:06,946 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:59:06,946 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 [2024-11-28 02:59:06,947 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:59:06,949 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-28 02:59:06,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-28 02:59:07,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:59:07,333 INFO L256 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-28 02:59:07,336 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:59:07,346 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 [2024-11-28 02:59:07,479 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-28 02:59:07,479 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:59:07,479 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:59:07,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [582740546] [2024-11-28 02:59:07,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [582740546] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:59:07,479 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:59:07,480 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 02:59:07,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389038319] [2024-11-28 02:59:07,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:59:07,480 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:59:07,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:59:07,481 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:59:07,481 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:59:07,481 INFO L87 Difference]: Start difference. First operand 788 states and 1066 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 02:59:08,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:59:08,080 INFO L93 Difference]: Finished difference Result 1514 states and 2042 transitions. [2024-11-28 02:59:08,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 02:59:08,081 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 137 [2024-11-28 02:59:08,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:59:08,085 INFO L225 Difference]: With dead ends: 1514 [2024-11-28 02:59:08,086 INFO L226 Difference]: Without dead ends: 794 [2024-11-28 02:59:08,087 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-28 02:59:08,087 INFO L435 NwaCegarLoop]: 204 mSDtfsCounter, 117 mSDsluCounter, 481 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 685 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-28 02:59:08,088 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [117 Valid, 685 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-28 02:59:08,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 794 states. [2024-11-28 02:59:08,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 794 to 788. [2024-11-28 02:59:08,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 788 states, 677 states have (on average 1.293943870014771) internal successors, (876), 683 states have internal predecessors, (876), 92 states have call successors, (92), 18 states have call predecessors, (92), 18 states have return successors, (92), 86 states have call predecessors, (92), 92 states have call successors, (92) [2024-11-28 02:59:08,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 788 states to 788 states and 1060 transitions. [2024-11-28 02:59:08,165 INFO L78 Accepts]: Start accepts. Automaton has 788 states and 1060 transitions. Word has length 137 [2024-11-28 02:59:08,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:59:08,166 INFO L471 AbstractCegarLoop]: Abstraction has 788 states and 1060 transitions. [2024-11-28 02:59:08,166 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 02:59:08,166 INFO L276 IsEmpty]: Start isEmpty. Operand 788 states and 1060 transitions. [2024-11-28 02:59:08,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-28 02:59:08,168 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:59:08,168 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:59:08,177 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-28 02:59:08,368 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:59:08,369 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:59:08,369 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:59:08,369 INFO L85 PathProgramCache]: Analyzing trace with hash -84398708, now seen corresponding path program 1 times [2024-11-28 02:59:08,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:59:08,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1884147428] [2024-11-28 02:59:08,370 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:59:08,370 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 [2024-11-28 02:59:08,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:59:08,372 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-28 02:59:08,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-28 02:59:08,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:59:08,760 INFO L256 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 02:59:08,762 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:59:08,820 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-28 02:59:08,820 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:59:08,820 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:59:08,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1884147428] [2024-11-28 02:59:08,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1884147428] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:59:08,820 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:59:08,820 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 02:59:08,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382588591] [2024-11-28 02:59:08,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:59:08,821 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:59:08,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:59:08,821 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:59:08,821 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:59:08,822 INFO L87 Difference]: Start difference. First operand 788 states and 1060 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 02:59:08,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:59:08,955 INFO L93 Difference]: Finished difference Result 1526 states and 2048 transitions. [2024-11-28 02:59:08,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 02:59:08,955 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 137 [2024-11-28 02:59:08,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:59:08,960 INFO L225 Difference]: With dead ends: 1526 [2024-11-28 02:59:08,960 INFO L226 Difference]: Without dead ends: 806 [2024-11-28 02:59:08,961 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:59:08,962 INFO L435 NwaCegarLoop]: 147 mSDtfsCounter, 0 mSDsluCounter, 425 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 572 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:59:08,962 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 572 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 02:59:08,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 806 states. [2024-11-28 02:59:09,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 806 to 806. [2024-11-28 02:59:09,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 806 states, 695 states have (on average 1.2863309352517986) internal successors, (894), 701 states have internal predecessors, (894), 92 states have call successors, (92), 18 states have call predecessors, (92), 18 states have return successors, (92), 86 states have call predecessors, (92), 92 states have call successors, (92) [2024-11-28 02:59:09,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 806 states to 806 states and 1078 transitions. [2024-11-28 02:59:09,075 INFO L78 Accepts]: Start accepts. Automaton has 806 states and 1078 transitions. Word has length 137 [2024-11-28 02:59:09,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:59:09,075 INFO L471 AbstractCegarLoop]: Abstraction has 806 states and 1078 transitions. [2024-11-28 02:59:09,076 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 02:59:09,076 INFO L276 IsEmpty]: Start isEmpty. Operand 806 states and 1078 transitions. [2024-11-28 02:59:09,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-28 02:59:09,077 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:59:09,078 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:59:09,086 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-28 02:59:09,278 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:59:09,279 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:59:09,280 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:59:09,281 INFO L85 PathProgramCache]: Analyzing trace with hash 1957326790, now seen corresponding path program 1 times [2024-11-28 02:59:09,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:59:09,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1066687878] [2024-11-28 02:59:09,281 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:59:09,281 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 [2024-11-28 02:59:09,282 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:59:09,284 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-28 02:59:09,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2024-11-28 02:59:09,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:59:09,731 INFO L256 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 02:59:09,734 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:59:09,765 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 192 proven. 0 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-11-28 02:59:09,765 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:59:09,765 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:59:09,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1066687878] [2024-11-28 02:59:09,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1066687878] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:59:09,766 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:59:09,766 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 02:59:09,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1337463351] [2024-11-28 02:59:09,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:59:09,766 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:59:09,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:59:09,767 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:59:09,767 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:59:09,767 INFO L87 Difference]: Start difference. First operand 806 states and 1078 transitions. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-28 02:59:09,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:59:09,944 INFO L93 Difference]: Finished difference Result 1560 states and 2082 transitions. [2024-11-28 02:59:09,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:59:09,945 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), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 137 [2024-11-28 02:59:09,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:59:09,949 INFO L225 Difference]: With dead ends: 1560 [2024-11-28 02:59:09,949 INFO L226 Difference]: Without dead ends: 806 [2024-11-28 02:59:09,952 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:59:09,953 INFO L435 NwaCegarLoop]: 150 mSDtfsCounter, 0 mSDsluCounter, 286 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 436 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 [2024-11-28 02:59:09,953 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 436 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 02:59:09,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 806 states. [2024-11-28 02:59:10,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 806 to 806. [2024-11-28 02:59:10,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 806 states, 695 states have (on average 1.2820143884892086) internal successors, (891), 701 states have internal predecessors, (891), 92 states have call successors, (92), 18 states have call predecessors, (92), 18 states have return successors, (92), 86 states have call predecessors, (92), 92 states have call successors, (92) [2024-11-28 02:59:10,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 806 states to 806 states and 1075 transitions. [2024-11-28 02:59:10,029 INFO L78 Accepts]: Start accepts. Automaton has 806 states and 1075 transitions. Word has length 137 [2024-11-28 02:59:10,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:59:10,030 INFO L471 AbstractCegarLoop]: Abstraction has 806 states and 1075 transitions. [2024-11-28 02:59:10,030 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), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-28 02:59:10,030 INFO L276 IsEmpty]: Start isEmpty. Operand 806 states and 1075 transitions. [2024-11-28 02:59:10,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-28 02:59:10,031 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:59:10,031 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:59:10,041 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Ended with exit code 0 [2024-11-28 02:59:10,233 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:59:10,233 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:59:10,233 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:59:10,233 INFO L85 PathProgramCache]: Analyzing trace with hash 548194752, now seen corresponding path program 1 times [2024-11-28 02:59:10,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:59:10,234 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1520563262] [2024-11-28 02:59:10,234 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:59:10,234 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 [2024-11-28 02:59:10,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:59:10,235 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-28 02:59:10,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-28 02:59:10,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:59:10,613 INFO L256 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 02:59:10,615 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:59:10,647 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-11-28 02:59:10,998 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-28 02:59:10,999 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:59:10,999 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:59:10,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1520563262] [2024-11-28 02:59:10,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1520563262] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:59:10,999 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:59:10,999 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 02:59:10,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564302695] [2024-11-28 02:59:10,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:59:10,999 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:59:10,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:59:11,000 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:59:11,000 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:59:11,000 INFO L87 Difference]: Start difference. First operand 806 states and 1075 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 02:59:11,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:59:11,286 INFO L93 Difference]: Finished difference Result 1642 states and 2176 transitions. [2024-11-28 02:59:11,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 02:59:11,286 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 138 [2024-11-28 02:59:11,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:59:11,291 INFO L225 Difference]: With dead ends: 1642 [2024-11-28 02:59:11,291 INFO L226 Difference]: Without dead ends: 904 [2024-11-28 02:59:11,293 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-28 02:59:11,294 INFO L435 NwaCegarLoop]: 140 mSDtfsCounter, 238 mSDsluCounter, 415 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 238 SdHoareTripleChecker+Valid, 555 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 02:59:11,294 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [238 Valid, 555 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 02:59:11,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 904 states. [2024-11-28 02:59:11,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 904 to 808. [2024-11-28 02:59:11,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 808 states, 697 states have (on average 1.2812051649928264) internal successors, (893), 703 states have internal predecessors, (893), 92 states have call successors, (92), 18 states have call predecessors, (92), 18 states have return successors, (92), 86 states have call predecessors, (92), 92 states have call successors, (92) [2024-11-28 02:59:11,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 808 states to 808 states and 1077 transitions. [2024-11-28 02:59:11,387 INFO L78 Accepts]: Start accepts. Automaton has 808 states and 1077 transitions. Word has length 138 [2024-11-28 02:59:11,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:59:11,387 INFO L471 AbstractCegarLoop]: Abstraction has 808 states and 1077 transitions. [2024-11-28 02:59:11,387 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 02:59:11,388 INFO L276 IsEmpty]: Start isEmpty. Operand 808 states and 1077 transitions. [2024-11-28 02:59:11,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-28 02:59:11,390 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:59:11,390 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:59:11,398 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-28 02:59:11,591 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:59:11,591 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:59:11,592 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:59:11,592 INFO L85 PathProgramCache]: Analyzing trace with hash -1823544510, now seen corresponding path program 1 times [2024-11-28 02:59:11,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:59:11,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1456050902] [2024-11-28 02:59:11,592 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:59:11,592 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:59:11,592 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:59:11,599 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-28 02:59:11,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2024-11-28 02:59:11,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:59:11,994 INFO L256 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-28 02:59:11,997 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:59:12,942 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 8 proven. 276 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2024-11-28 02:59:12,942 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:59:13,198 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-28 02:59:13,198 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:59:13,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1456050902] [2024-11-28 02:59:13,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1456050902] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-28 02:59:13,198 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:59:13,198 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [11] total 13 [2024-11-28 02:59:13,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667107964] [2024-11-28 02:59:13,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:59:13,199 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 02:59:13,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:59:13,199 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 02:59:13,200 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2024-11-28 02:59:13,200 INFO L87 Difference]: Start difference. First operand 808 states and 1077 transitions. Second operand has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 02:59:13,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:59:13,516 INFO L93 Difference]: Finished difference Result 1982 states and 2607 transitions. [2024-11-28 02:59:13,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 02:59:13,517 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 138 [2024-11-28 02:59:13,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:59:13,522 INFO L225 Difference]: With dead ends: 1982 [2024-11-28 02:59:13,522 INFO L226 Difference]: Without dead ends: 1242 [2024-11-28 02:59:13,524 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 275 GetRequests, 263 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2024-11-28 02:59:13,525 INFO L435 NwaCegarLoop]: 190 mSDtfsCounter, 204 mSDsluCounter, 452 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 642 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 02:59:13,525 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [204 Valid, 642 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 02:59:13,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1242 states. [2024-11-28 02:59:13,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1242 to 1236. [2024-11-28 02:59:13,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1236 states, 1081 states have (on average 1.2543940795559667) internal successors, (1356), 1093 states have internal predecessors, (1356), 124 states have call successors, (124), 30 states have call predecessors, (124), 30 states have return successors, (124), 112 states have call predecessors, (124), 124 states have call successors, (124) [2024-11-28 02:59:13,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1236 states to 1236 states and 1604 transitions. [2024-11-28 02:59:13,639 INFO L78 Accepts]: Start accepts. Automaton has 1236 states and 1604 transitions. Word has length 138 [2024-11-28 02:59:13,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:59:13,640 INFO L471 AbstractCegarLoop]: Abstraction has 1236 states and 1604 transitions. [2024-11-28 02:59:13,640 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 02:59:13,640 INFO L276 IsEmpty]: Start isEmpty. Operand 1236 states and 1604 transitions. [2024-11-28 02:59:13,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-28 02:59:13,642 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:59:13,642 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:59:13,650 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Forceful destruction successful, exit code 0 [2024-11-28 02:59:13,842 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:59:13,843 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:59:13,843 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:59:13,843 INFO L85 PathProgramCache]: Analyzing trace with hash 1450354432, now seen corresponding path program 1 times [2024-11-28 02:59:13,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:59:13,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [495389314] [2024-11-28 02:59:13,844 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:59:13,844 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 [2024-11-28 02:59:13,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:59:13,846 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-28 02:59:13,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-28 02:59:14,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:59:14,308 INFO L256 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 02:59:14,310 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:59:14,360 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-28 02:59:14,360 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:59:14,360 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:59:14,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [495389314] [2024-11-28 02:59:14,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [495389314] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:59:14,360 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:59:14,360 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 02:59:14,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217792781] [2024-11-28 02:59:14,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:59:14,361 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 02:59:14,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:59:14,361 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 02:59:14,361 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 02:59:14,361 INFO L87 Difference]: Start difference. First operand 1236 states and 1604 transitions. Second operand has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 02:59:14,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:59:14,486 INFO L93 Difference]: Finished difference Result 2412 states and 3126 transitions. [2024-11-28 02:59:14,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 02:59:14,487 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 138 [2024-11-28 02:59:14,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:59:14,492 INFO L225 Difference]: With dead ends: 2412 [2024-11-28 02:59:14,492 INFO L226 Difference]: Without dead ends: 1248 [2024-11-28 02:59:14,494 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 02:59:14,495 INFO L435 NwaCegarLoop]: 146 mSDtfsCounter, 0 mSDsluCounter, 563 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 709 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:59:14,495 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 709 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 02:59:14,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1248 states. [2024-11-28 02:59:14,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1248 to 1218. [2024-11-28 02:59:14,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1218 states, 1063 states have (on average 1.253057384760113) internal successors, (1332), 1075 states have internal predecessors, (1332), 124 states have call successors, (124), 30 states have call predecessors, (124), 30 states have return successors, (124), 112 states have call predecessors, (124), 124 states have call successors, (124) [2024-11-28 02:59:14,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1218 states to 1218 states and 1580 transitions. [2024-11-28 02:59:14,622 INFO L78 Accepts]: Start accepts. Automaton has 1218 states and 1580 transitions. Word has length 138 [2024-11-28 02:59:14,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:59:14,623 INFO L471 AbstractCegarLoop]: Abstraction has 1218 states and 1580 transitions. [2024-11-28 02:59:14,623 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 02:59:14,623 INFO L276 IsEmpty]: Start isEmpty. Operand 1218 states and 1580 transitions. [2024-11-28 02:59:14,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-28 02:59:14,624 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:59:14,624 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:59:14,632 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-28 02:59:14,825 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:59:14,825 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:59:14,826 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:59:14,826 INFO L85 PathProgramCache]: Analyzing trace with hash 1602251652, now seen corresponding path program 1 times [2024-11-28 02:59:14,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:59:14,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1189799079] [2024-11-28 02:59:14,827 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:59:14,827 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 [2024-11-28 02:59:14,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:59:14,829 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-28 02:59:14,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (21)] Waiting until timeout for monitored process [2024-11-28 02:59:15,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:59:15,261 INFO L256 TraceCheckSpWp]: Trace formula consists of 369 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 02:59:15,263 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:59:15,326 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 192 proven. 0 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-11-28 02:59:15,326 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:59:15,326 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:59:15,326 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1189799079] [2024-11-28 02:59:15,326 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1189799079] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:59:15,326 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:59:15,326 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 02:59:15,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180566556] [2024-11-28 02:59:15,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:59:15,327 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 02:59:15,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:59:15,334 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 02:59:15,334 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 02:59:15,334 INFO L87 Difference]: Start difference. First operand 1218 states and 1580 transitions. Second operand has 6 states, 5 states have (on average 13.6) internal successors, (68), 6 states have internal predecessors, (68), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (16), 2 states have call predecessors, (16), 3 states have call successors, (16) [2024-11-28 02:59:15,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:59:15,720 INFO L93 Difference]: Finished difference Result 2417 states and 3123 transitions. [2024-11-28 02:59:15,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 02:59:15,720 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.6) internal successors, (68), 6 states have internal predecessors, (68), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (16), 2 states have call predecessors, (16), 3 states have call successors, (16) Word has length 139 [2024-11-28 02:59:15,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:59:15,726 INFO L225 Difference]: With dead ends: 2417 [2024-11-28 02:59:15,726 INFO L226 Difference]: Without dead ends: 1250 [2024-11-28 02:59:15,730 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-28 02:59:15,730 INFO L435 NwaCegarLoop]: 132 mSDtfsCounter, 1 mSDsluCounter, 481 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 613 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 02:59:15,731 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 613 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 02:59:15,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1250 states. [2024-11-28 02:59:15,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1250 to 1218. [2024-11-28 02:59:15,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1218 states, 1063 states have (on average 1.2502351834430856) internal successors, (1329), 1075 states have internal predecessors, (1329), 124 states have call successors, (124), 30 states have call predecessors, (124), 30 states have return successors, (124), 112 states have call predecessors, (124), 124 states have call successors, (124) [2024-11-28 02:59:15,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1218 states to 1218 states and 1577 transitions. [2024-11-28 02:59:15,865 INFO L78 Accepts]: Start accepts. Automaton has 1218 states and 1577 transitions. Word has length 139 [2024-11-28 02:59:15,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:59:15,865 INFO L471 AbstractCegarLoop]: Abstraction has 1218 states and 1577 transitions. [2024-11-28 02:59:15,866 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.6) internal successors, (68), 6 states have internal predecessors, (68), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (16), 2 states have call predecessors, (16), 3 states have call successors, (16) [2024-11-28 02:59:15,866 INFO L276 IsEmpty]: Start isEmpty. Operand 1218 states and 1577 transitions. [2024-11-28 02:59:15,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-28 02:59:15,868 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:59:15,868 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:59:15,877 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (21)] Ended with exit code 0 [2024-11-28 02:59:16,068 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:59:16,069 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:59:16,069 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:59:16,069 INFO L85 PathProgramCache]: Analyzing trace with hash 1041551874, now seen corresponding path program 1 times [2024-11-28 02:59:16,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:59:16,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2025826073] [2024-11-28 02:59:16,070 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:59:16,070 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 [2024-11-28 02:59:16,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:59:16,071 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-28 02:59:16,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-28 02:59:16,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:59:16,567 INFO L256 TraceCheckSpWp]: Trace formula consists of 371 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-28 02:59:16,572 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:59:19,448 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-28 02:59:31,198 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 203 treesize of output 167 [2024-11-28 02:59:31,221 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:59:31,221 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 265 treesize of output 115 [2024-11-28 02:59:31,976 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 3 proven. 201 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2024-11-28 02:59:31,976 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:59:44,622 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:59:44,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2025826073] [2024-11-28 02:59:44,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2025826073] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:59:44,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1933597284] [2024-11-28 02:59:44,623 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:59:44,623 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-28 02:59:44,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 [2024-11-28 02:59:44,624 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-28 02:59:44,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-11-28 02:59:46,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:59:46,132 INFO L256 TraceCheckSpWp]: Trace formula consists of 371 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-28 02:59:46,137 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:59:48,178 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 [2024-11-28 03:00:03,088 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-28 03:00:25,597 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 185 treesize of output 149 [2024-11-28 03:00:25,603 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 251 treesize of output 123 [2024-11-28 03:00:26,009 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 3 proven. 201 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2024-11-28 03:00:26,009 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:00:37,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1933597284] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:00:37,322 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 03:00:37,322 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 13] total 22 [2024-11-28 03:00:37,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39997166] [2024-11-28 03:00:37,323 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 03:00:37,323 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-28 03:00:37,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:00:37,324 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-28 03:00:37,324 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=499, Unknown=1, NotChecked=0, Total=600 [2024-11-28 03:00:37,324 INFO L87 Difference]: Start difference. First operand 1218 states and 1577 transitions. Second operand has 23 states, 21 states have (on average 6.190476190476191) internal successors, (130), 20 states have internal predecessors, (130), 6 states have call successors, (32), 6 states have call predecessors, (32), 6 states have return successors, (32), 4 states have call predecessors, (32), 6 states have call successors, (32) [2024-11-28 03:01:11,882 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 [0] [2024-11-28 03:01:20,064 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 03:01:23,400 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.26s for a HTC check with result VALID. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 03:01:28,627 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 03:01:32,854 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 03:01:37,224 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 03:01:41,313 WARN L539 Checker$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 [0] [2024-11-28 03:01:46,799 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 03:01:50,876 WARN L539 Checker$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 [0] [2024-11-28 03:01:55,306 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 03:01:59,359 WARN L539 Checker$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 [0] [2024-11-28 03:02:03,749 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 03:02:07,532 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.74s for a HTC check with result VALID. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 03:02:09,081 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result VALID. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 03:02:13,655 WARN L539 Checker$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 [0] [2024-11-28 03:02:17,741 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 03:02:21,390 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.32s for a HTC check with result VALID. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 03:02:22,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:02:22,464 INFO L93 Difference]: Finished difference Result 2436 states and 3117 transitions. [2024-11-28 03:02:22,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-28 03:02:22,465 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 21 states have (on average 6.190476190476191) internal successors, (130), 20 states have internal predecessors, (130), 6 states have call successors, (32), 6 states have call predecessors, (32), 6 states have return successors, (32), 4 states have call predecessors, (32), 6 states have call successors, (32) Word has length 139 [2024-11-28 03:02:22,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:02:22,468 INFO L225 Difference]: With dead ends: 2436 [2024-11-28 03:02:22,468 INFO L226 Difference]: Without dead ends: 1290 [2024-11-28 03:02:22,470 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 358 GetRequests, 315 SyntacticMatches, 4 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 402 ImplicationChecksByTransitivity, 42.6s TimeCoverageRelationStatistics Valid=344, Invalid=1295, Unknown=1, NotChecked=0, Total=1640 [2024-11-28 03:02:22,470 INFO L435 NwaCegarLoop]: 223 mSDtfsCounter, 370 mSDsluCounter, 1772 mSDsCounter, 0 mSdLazyCounter, 925 mSolverCounterSat, 89 mSolverCounterUnsat, 13 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 87.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 370 SdHoareTripleChecker+Valid, 1995 SdHoareTripleChecker+Invalid, 1027 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 925 IncrementalHoareTripleChecker+Invalid, 13 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 88.8s IncrementalHoareTripleChecker+Time [2024-11-28 03:02:22,470 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [370 Valid, 1995 Invalid, 1027 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 925 Invalid, 13 Unknown, 0 Unchecked, 88.8s Time] [2024-11-28 03:02:22,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1290 states. [2024-11-28 03:02:22,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1290 to 1262. [2024-11-28 03:02:22,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1262 states, 1096 states have (on average 1.2372262773722629) internal successors, (1356), 1108 states have internal predecessors, (1356), 124 states have call successors, (124), 41 states have call predecessors, (124), 41 states have return successors, (124), 112 states have call predecessors, (124), 124 states have call successors, (124) [2024-11-28 03:02:22,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1262 states to 1262 states and 1604 transitions. [2024-11-28 03:02:22,614 INFO L78 Accepts]: Start accepts. Automaton has 1262 states and 1604 transitions. Word has length 139 [2024-11-28 03:02:22,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:02:22,614 INFO L471 AbstractCegarLoop]: Abstraction has 1262 states and 1604 transitions. [2024-11-28 03:02:22,615 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 21 states have (on average 6.190476190476191) internal successors, (130), 20 states have internal predecessors, (130), 6 states have call successors, (32), 6 states have call predecessors, (32), 6 states have return successors, (32), 4 states have call predecessors, (32), 6 states have call successors, (32) [2024-11-28 03:02:22,615 INFO L276 IsEmpty]: Start isEmpty. Operand 1262 states and 1604 transitions. [2024-11-28 03:02:22,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-28 03:02:22,616 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:02:22,617 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:02:22,628 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2024-11-28 03:02:22,827 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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)] Forceful destruction successful, exit code 0 [2024-11-28 03:02:23,017 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt,22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:02:23,018 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:02:23,018 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:02:23,018 INFO L85 PathProgramCache]: Analyzing trace with hash -1937366605, now seen corresponding path program 1 times [2024-11-28 03:02:23,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:02:23,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2041589732] [2024-11-28 03:02:23,018 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:02:23,018 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 [2024-11-28 03:02:23,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:02:23,020 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-28 03:02:23,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-28 03:02:23,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:02:23,531 INFO L256 TraceCheckSpWp]: Trace formula consists of 372 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-28 03:02:23,534 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:02:23,546 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2024-11-28 03:02:23,551 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 13 treesize of output 9 [2024-11-28 03:02:23,658 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2024-11-28 03:02:23,690 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-28 03:02:23,690 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:02:23,690 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:02:23,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2041589732] [2024-11-28 03:02:23,690 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2041589732] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:02:23,690 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:02:23,690 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 03:02:23,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774764487] [2024-11-28 03:02:23,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:02:23,691 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:02:23,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:02:23,691 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:02:23,691 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:02:23,692 INFO L87 Difference]: Start difference. First operand 1262 states and 1604 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 03:02:24,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:02:24,296 INFO L93 Difference]: Finished difference Result 2384 states and 3018 transitions. [2024-11-28 03:02:24,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:02:24,302 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 140 [2024-11-28 03:02:24,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:02:24,306 INFO L225 Difference]: With dead ends: 2384 [2024-11-28 03:02:24,306 INFO L226 Difference]: Without dead ends: 1198 [2024-11-28 03:02:24,307 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:02:24,308 INFO L435 NwaCegarLoop]: 217 mSDtfsCounter, 127 mSDsluCounter, 478 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 695 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-28 03:02:24,308 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 695 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-28 03:02:24,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1198 states. [2024-11-28 03:02:24,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1198 to 1162. [2024-11-28 03:02:24,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1162 states, 996 states have (on average 1.2088353413654618) internal successors, (1204), 1008 states have internal predecessors, (1204), 124 states have call successors, (124), 41 states have call predecessors, (124), 41 states have return successors, (124), 112 states have call predecessors, (124), 124 states have call successors, (124) [2024-11-28 03:02:24,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1162 states to 1162 states and 1452 transitions. [2024-11-28 03:02:24,467 INFO L78 Accepts]: Start accepts. Automaton has 1162 states and 1452 transitions. Word has length 140 [2024-11-28 03:02:24,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:02:24,469 INFO L471 AbstractCegarLoop]: Abstraction has 1162 states and 1452 transitions. [2024-11-28 03:02:24,469 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 03:02:24,469 INFO L276 IsEmpty]: Start isEmpty. Operand 1162 states and 1452 transitions. [2024-11-28 03:02:24,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-28 03:02:24,472 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:02:24,472 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:02:24,481 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-28 03:02:24,672 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:02:24,673 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:02:24,673 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:02:24,673 INFO L85 PathProgramCache]: Analyzing trace with hash -1512265626, now seen corresponding path program 1 times [2024-11-28 03:02:24,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:02:24,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [395542783] [2024-11-28 03:02:24,674 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:02:24,674 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 [2024-11-28 03:02:24,674 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:02:24,675 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-28 03:02:24,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (25)] Waiting until timeout for monitored process [2024-11-28 03:02:25,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:02:25,080 INFO L256 TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-28 03:02:25,083 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:02:25,973 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2024-11-28 03:02:26,029 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 8 proven. 276 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2024-11-28 03:02:26,029 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:02:26,315 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-28 03:02:26,316 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:02:26,316 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [395542783] [2024-11-28 03:02:26,316 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [395542783] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-28 03:02:26,316 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:02:26,316 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [11] total 15 [2024-11-28 03:02:26,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313665648] [2024-11-28 03:02:26,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:02:26,316 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 03:02:26,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:02:26,317 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 03:02:26,317 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2024-11-28 03:02:26,317 INFO L87 Difference]: Start difference. First operand 1162 states and 1452 transitions. Second operand has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 03:02:26,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:02:26,550 INFO L93 Difference]: Finished difference Result 2370 states and 2923 transitions. [2024-11-28 03:02:26,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 03:02:26,551 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 141 [2024-11-28 03:02:26,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:02:26,557 INFO L225 Difference]: With dead ends: 2370 [2024-11-28 03:02:26,558 INFO L226 Difference]: Without dead ends: 1610 [2024-11-28 03:02:26,559 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 281 GetRequests, 267 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=44, Invalid=196, Unknown=0, NotChecked=0, Total=240 [2024-11-28 03:02:26,561 INFO L435 NwaCegarLoop]: 197 mSDtfsCounter, 93 mSDsluCounter, 549 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 746 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:02:26,561 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 746 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:02:26,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1610 states. [2024-11-28 03:02:26,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1610 to 1154. [2024-11-28 03:02:26,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1154 states, 988 states have (on average 1.1983805668016194) internal successors, (1184), 1000 states have internal predecessors, (1184), 124 states have call successors, (124), 41 states have call predecessors, (124), 41 states have return successors, (124), 112 states have call predecessors, (124), 124 states have call successors, (124) [2024-11-28 03:02:26,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1154 states to 1154 states and 1432 transitions. [2024-11-28 03:02:26,729 INFO L78 Accepts]: Start accepts. Automaton has 1154 states and 1432 transitions. Word has length 141 [2024-11-28 03:02:26,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:02:26,730 INFO L471 AbstractCegarLoop]: Abstraction has 1154 states and 1432 transitions. [2024-11-28 03:02:26,730 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 03:02:26,730 INFO L276 IsEmpty]: Start isEmpty. Operand 1154 states and 1432 transitions. [2024-11-28 03:02:26,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-28 03:02:26,731 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:02:26,731 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:02:26,740 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (25)] Ended with exit code 0 [2024-11-28 03:02:26,932 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:02:26,932 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:02:26,932 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:02:26,932 INFO L85 PathProgramCache]: Analyzing trace with hash 912699755, now seen corresponding path program 1 times [2024-11-28 03:02:26,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:02:26,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [262312401] [2024-11-28 03:02:26,933 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:02:26,933 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 [2024-11-28 03:02:26,933 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:02:26,935 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-28 03:02:26,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-28 03:02:27,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:02:27,349 INFO L256 TraceCheckSpWp]: Trace formula consists of 379 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 03:02:27,351 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:02:27,366 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-28 03:02:27,366 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:02:27,366 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:02:27,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [262312401] [2024-11-28 03:02:27,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [262312401] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:02:27,366 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:02:27,366 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:02:27,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665344608] [2024-11-28 03:02:27,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:02:27,366 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:02:27,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:02:27,367 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:02:27,367 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:02:27,367 INFO L87 Difference]: Start difference. First operand 1154 states and 1432 transitions. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 03:02:27,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:02:27,467 INFO L93 Difference]: Finished difference Result 1910 states and 2384 transitions. [2024-11-28 03:02:27,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:02:27,468 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 143 [2024-11-28 03:02:27,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:02:27,471 INFO L225 Difference]: With dead ends: 1910 [2024-11-28 03:02:27,471 INFO L226 Difference]: Without dead ends: 1154 [2024-11-28 03:02:27,472 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:02:27,472 INFO L435 NwaCegarLoop]: 139 mSDtfsCounter, 1 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 275 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:02:27,472 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 275 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:02:27,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1154 states. [2024-11-28 03:02:27,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1154 to 1154. [2024-11-28 03:02:27,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1154 states, 988 states have (on average 1.1862348178137652) internal successors, (1172), 1000 states have internal predecessors, (1172), 124 states have call successors, (124), 41 states have call predecessors, (124), 41 states have return successors, (124), 112 states have call predecessors, (124), 124 states have call successors, (124) [2024-11-28 03:02:27,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1154 states to 1154 states and 1420 transitions. [2024-11-28 03:02:27,621 INFO L78 Accepts]: Start accepts. Automaton has 1154 states and 1420 transitions. Word has length 143 [2024-11-28 03:02:27,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:02:27,621 INFO L471 AbstractCegarLoop]: Abstraction has 1154 states and 1420 transitions. [2024-11-28 03:02:27,622 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 03:02:27,622 INFO L276 IsEmpty]: Start isEmpty. Operand 1154 states and 1420 transitions. [2024-11-28 03:02:27,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-28 03:02:27,623 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:02:27,623 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:02:27,632 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-28 03:02:27,827 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:02:27,827 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:02:27,827 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:02:27,827 INFO L85 PathProgramCache]: Analyzing trace with hash -1996064147, now seen corresponding path program 1 times [2024-11-28 03:02:27,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:02:27,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1879388744] [2024-11-28 03:02:27,828 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:02:27,828 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 [2024-11-28 03:02:27,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:02:27,829 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-28 03:02:27,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-28 03:02:28,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:02:28,249 INFO L256 TraceCheckSpWp]: Trace formula consists of 377 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-28 03:02:28,251 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:02:29,255 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2024-11-28 03:02:29,312 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 8 proven. 276 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2024-11-28 03:02:29,312 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:02:29,649 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-28 03:02:29,650 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:02:29,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1879388744] [2024-11-28 03:02:29,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1879388744] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-28 03:02:29,650 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:02:29,650 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [11] total 15 [2024-11-28 03:02:29,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113471910] [2024-11-28 03:02:29,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:02:29,650 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 03:02:29,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:02:29,651 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 03:02:29,651 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2024-11-28 03:02:29,651 INFO L87 Difference]: Start difference. First operand 1154 states and 1420 transitions. Second operand has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 03:02:29,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:02:29,906 INFO L93 Difference]: Finished difference Result 2134 states and 2619 transitions. [2024-11-28 03:02:29,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 03:02:29,907 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 143 [2024-11-28 03:02:29,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:02:29,911 INFO L225 Difference]: With dead ends: 2134 [2024-11-28 03:02:29,911 INFO L226 Difference]: Without dead ends: 1414 [2024-11-28 03:02:29,912 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 285 GetRequests, 271 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=44, Invalid=196, Unknown=0, NotChecked=0, Total=240 [2024-11-28 03:02:29,912 INFO L435 NwaCegarLoop]: 195 mSDtfsCounter, 131 mSDsluCounter, 424 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 619 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:02:29,912 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 619 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:02:29,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1414 states. [2024-11-28 03:02:30,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1414 to 1154. [2024-11-28 03:02:30,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1154 states, 988 states have (on average 1.1821862348178138) internal successors, (1168), 1000 states have internal predecessors, (1168), 124 states have call successors, (124), 41 states have call predecessors, (124), 41 states have return successors, (124), 112 states have call predecessors, (124), 124 states have call successors, (124) [2024-11-28 03:02:30,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1154 states to 1154 states and 1416 transitions. [2024-11-28 03:02:30,072 INFO L78 Accepts]: Start accepts. Automaton has 1154 states and 1416 transitions. Word has length 143 [2024-11-28 03:02:30,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:02:30,072 INFO L471 AbstractCegarLoop]: Abstraction has 1154 states and 1416 transitions. [2024-11-28 03:02:30,073 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 03:02:30,073 INFO L276 IsEmpty]: Start isEmpty. Operand 1154 states and 1416 transitions. [2024-11-28 03:02:30,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-28 03:02:30,074 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:02:30,074 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:02:30,082 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-28 03:02:30,274 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:02:30,275 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:02:30,275 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:02:30,276 INFO L85 PathProgramCache]: Analyzing trace with hash 1421993170, now seen corresponding path program 1 times [2024-11-28 03:02:30,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:02:30,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1601648940] [2024-11-28 03:02:30,276 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:02:30,276 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 [2024-11-28 03:02:30,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:02:30,278 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-28 03:02:30,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-28 03:02:30,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:02:30,712 INFO L256 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-28 03:02:30,715 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:02:31,583 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 [2024-11-28 03:02:31,748 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-11-28 03:02:31,817 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 33 treesize of output 21 [2024-11-28 03:02:32,107 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 6 proven. 270 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2024-11-28 03:02:32,107 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:02:33,413 INFO L349 Elim1Store]: treesize reduction 4, result has 63.6 percent of original size [2024-11-28 03:02:33,413 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 20 treesize of output 19 [2024-11-28 03:02:33,703 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 27 proven. 18 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2024-11-28 03:02:33,703 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:02:33,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1601648940] [2024-11-28 03:02:33,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1601648940] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:02:33,703 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 03:02:33,703 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 26 [2024-11-28 03:02:33,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981876897] [2024-11-28 03:02:33,704 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 03:02:33,704 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-28 03:02:33,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:02:33,705 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-28 03:02:33,705 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=574, Unknown=0, NotChecked=0, Total=650 [2024-11-28 03:02:33,705 INFO L87 Difference]: Start difference. First operand 1154 states and 1416 transitions. Second operand has 26 states, 24 states have (on average 4.166666666666667) internal successors, (100), 26 states have internal predecessors, (100), 4 states have call successors, (32), 3 states have call predecessors, (32), 5 states have return successors, (32), 2 states have call predecessors, (32), 4 states have call successors, (32) [2024-11-28 03:02:37,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:02:37,435 INFO L93 Difference]: Finished difference Result 2322 states and 2840 transitions. [2024-11-28 03:02:37,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-28 03:02:37,435 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 24 states have (on average 4.166666666666667) internal successors, (100), 26 states have internal predecessors, (100), 4 states have call successors, (32), 3 states have call predecessors, (32), 5 states have return successors, (32), 2 states have call predecessors, (32), 4 states have call successors, (32) Word has length 145 [2024-11-28 03:02:37,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:02:37,442 INFO L225 Difference]: With dead ends: 2322 [2024-11-28 03:02:37,442 INFO L226 Difference]: Without dead ends: 1602 [2024-11-28 03:02:37,444 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 314 GetRequests, 265 SyntacticMatches, 1 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 344 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=342, Invalid=2108, Unknown=0, NotChecked=0, Total=2450 [2024-11-28 03:02:37,444 INFO L435 NwaCegarLoop]: 168 mSDtfsCounter, 394 mSDsluCounter, 2212 mSDsCounter, 0 mSdLazyCounter, 958 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 394 SdHoareTripleChecker+Valid, 2380 SdHoareTripleChecker+Invalid, 1051 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 958 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:02:37,445 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [394 Valid, 2380 Invalid, 1051 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 958 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-28 03:02:37,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1602 states. [2024-11-28 03:02:37,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1602 to 1526. [2024-11-28 03:02:37,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1526 states, 1321 states have (on average 1.1877365632096897) internal successors, (1569), 1337 states have internal predecessors, (1569), 148 states have call successors, (148), 56 states have call predecessors, (148), 56 states have return successors, (148), 132 states have call predecessors, (148), 148 states have call successors, (148) [2024-11-28 03:02:37,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1526 states to 1526 states and 1865 transitions. [2024-11-28 03:02:37,646 INFO L78 Accepts]: Start accepts. Automaton has 1526 states and 1865 transitions. Word has length 145 [2024-11-28 03:02:37,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:02:37,647 INFO L471 AbstractCegarLoop]: Abstraction has 1526 states and 1865 transitions. [2024-11-28 03:02:37,647 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 24 states have (on average 4.166666666666667) internal successors, (100), 26 states have internal predecessors, (100), 4 states have call successors, (32), 3 states have call predecessors, (32), 5 states have return successors, (32), 2 states have call predecessors, (32), 4 states have call successors, (32) [2024-11-28 03:02:37,647 INFO L276 IsEmpty]: Start isEmpty. Operand 1526 states and 1865 transitions. [2024-11-28 03:02:37,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2024-11-28 03:02:37,651 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:02:37,651 INFO L218 NwaCegarLoop]: trace histogram [32, 32, 32, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:02:37,659 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (28)] Ended with exit code 0 [2024-11-28 03:02:37,851 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:02:37,852 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:02:37,852 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:02:37,852 INFO L85 PathProgramCache]: Analyzing trace with hash -1953623393, now seen corresponding path program 1 times [2024-11-28 03:02:37,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:02:37,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [768544318] [2024-11-28 03:02:37,853 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:02:37,853 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 [2024-11-28 03:02:37,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:02:37,854 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-28 03:02:37,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (29)] Waiting until timeout for monitored process [2024-11-28 03:02:38,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:02:38,444 INFO L256 TraceCheckSpWp]: Trace formula consists of 605 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-28 03:02:38,447 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:02:39,210 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2024-11-28 03:02:39,267 INFO L134 CoverageAnalysis]: Checked inductivity of 2047 backedges. 1090 proven. 102 refuted. 0 times theorem prover too weak. 855 trivial. 0 not checked. [2024-11-28 03:02:39,267 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:02:39,733 INFO L134 CoverageAnalysis]: Checked inductivity of 2047 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 1995 trivial. 0 not checked. [2024-11-28 03:02:39,733 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:02:39,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [768544318] [2024-11-28 03:02:39,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [768544318] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-28 03:02:39,733 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:02:39,733 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 13 [2024-11-28 03:02:39,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528829181] [2024-11-28 03:02:39,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:02:39,734 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:02:39,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:02:39,734 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:02:39,735 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2024-11-28 03:02:39,735 INFO L87 Difference]: Start difference. First operand 1526 states and 1865 transitions. Second operand has 5 states, 5 states have (on average 21.8) internal successors, (109), 5 states have internal predecessors, (109), 2 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-11-28 03:02:39,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:02:39,986 INFO L93 Difference]: Finished difference Result 2974 states and 3628 transitions. [2024-11-28 03:02:39,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:02:39,987 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.8) internal successors, (109), 5 states have internal predecessors, (109), 2 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 272 [2024-11-28 03:02:39,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:02:39,991 INFO L225 Difference]: With dead ends: 2974 [2024-11-28 03:02:39,991 INFO L226 Difference]: Without dead ends: 1528 [2024-11-28 03:02:39,992 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 543 GetRequests, 531 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2024-11-28 03:02:39,993 INFO L435 NwaCegarLoop]: 178 mSDtfsCounter, 48 mSDsluCounter, 398 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 576 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:02:39,993 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 576 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:02:39,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1528 states. [2024-11-28 03:02:40,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1528 to 1526. [2024-11-28 03:02:40,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1526 states, 1321 states have (on average 1.174110522331567) internal successors, (1551), 1337 states have internal predecessors, (1551), 148 states have call successors, (148), 56 states have call predecessors, (148), 56 states have return successors, (148), 132 states have call predecessors, (148), 148 states have call successors, (148) [2024-11-28 03:02:40,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1526 states to 1526 states and 1847 transitions. [2024-11-28 03:02:40,152 INFO L78 Accepts]: Start accepts. Automaton has 1526 states and 1847 transitions. Word has length 272 [2024-11-28 03:02:40,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:02:40,153 INFO L471 AbstractCegarLoop]: Abstraction has 1526 states and 1847 transitions. [2024-11-28 03:02:40,153 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.8) internal successors, (109), 5 states have internal predecessors, (109), 2 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-11-28 03:02:40,153 INFO L276 IsEmpty]: Start isEmpty. Operand 1526 states and 1847 transitions. [2024-11-28 03:02:40,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2024-11-28 03:02:40,157 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:02:40,157 INFO L218 NwaCegarLoop]: trace histogram [32, 32, 32, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:02:40,168 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (29)] Ended with exit code 0 [2024-11-28 03:02:40,357 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:02:40,358 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:02:40,358 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:02:40,358 INFO L85 PathProgramCache]: Analyzing trace with hash -317083850, now seen corresponding path program 1 times [2024-11-28 03:02:40,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:02:40,358 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2041052074] [2024-11-28 03:02:40,358 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:02:40,359 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 [2024-11-28 03:02:40,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:02:40,360 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-28 03:02:40,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-28 03:02:40,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:02:40,952 INFO L256 TraceCheckSpWp]: Trace formula consists of 612 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 03:02:40,955 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:02:40,988 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 17 treesize of output 9 [2024-11-28 03:02:41,411 INFO L134 CoverageAnalysis]: Checked inductivity of 2047 backedges. 1076 proven. 0 refuted. 0 times theorem prover too weak. 971 trivial. 0 not checked. [2024-11-28 03:02:41,412 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:02:41,412 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:02:41,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2041052074] [2024-11-28 03:02:41,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2041052074] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:02:41,412 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:02:41,412 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 03:02:41,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700286519] [2024-11-28 03:02:41,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:02:41,413 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:02:41,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:02:41,413 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:02:41,413 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:02:41,414 INFO L87 Difference]: Start difference. First operand 1526 states and 1847 transitions. Second operand has 5 states, 5 states have (on average 23.0) internal successors, (115), 4 states have internal predecessors, (115), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-11-28 03:02:41,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:02:41,787 INFO L93 Difference]: Finished difference Result 2672 states and 3233 transitions. [2024-11-28 03:02:41,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:02:41,788 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.0) internal successors, (115), 4 states have internal predecessors, (115), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 275 [2024-11-28 03:02:41,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:02:41,792 INFO L225 Difference]: With dead ends: 2672 [2024-11-28 03:02:41,792 INFO L226 Difference]: Without dead ends: 1592 [2024-11-28 03:02:41,793 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 276 GetRequests, 271 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-28 03:02:41,793 INFO L435 NwaCegarLoop]: 133 mSDtfsCounter, 153 mSDsluCounter, 388 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 521 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 03:02:41,793 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [153 Valid, 521 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 03:02:41,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1592 states. [2024-11-28 03:02:41,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1592 to 1536. [2024-11-28 03:02:41,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1536 states, 1331 states have (on average 1.174305033809166) internal successors, (1563), 1347 states have internal predecessors, (1563), 148 states have call successors, (148), 56 states have call predecessors, (148), 56 states have return successors, (148), 132 states have call predecessors, (148), 148 states have call successors, (148) [2024-11-28 03:02:41,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1536 states to 1536 states and 1859 transitions. [2024-11-28 03:02:41,956 INFO L78 Accepts]: Start accepts. Automaton has 1536 states and 1859 transitions. Word has length 275 [2024-11-28 03:02:41,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:02:41,956 INFO L471 AbstractCegarLoop]: Abstraction has 1536 states and 1859 transitions. [2024-11-28 03:02:41,956 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.0) internal successors, (115), 4 states have internal predecessors, (115), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-11-28 03:02:41,956 INFO L276 IsEmpty]: Start isEmpty. Operand 1536 states and 1859 transitions. [2024-11-28 03:02:41,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2024-11-28 03:02:41,959 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:02:41,960 INFO L218 NwaCegarLoop]: trace histogram [32, 32, 32, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:02:41,969 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-28 03:02:42,160 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:02:42,160 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:02:42,160 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:02:42,161 INFO L85 PathProgramCache]: Analyzing trace with hash -1240251276, now seen corresponding path program 1 times [2024-11-28 03:02:42,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:02:42,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1300269866] [2024-11-28 03:02:42,161 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:02:42,161 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 [2024-11-28 03:02:42,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:02:42,163 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-28 03:02:42,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-28 03:02:42,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:02:42,803 INFO L256 TraceCheckSpWp]: Trace formula consists of 610 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-28 03:02:42,808 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:02:43,888 INFO L134 CoverageAnalysis]: Checked inductivity of 2047 backedges. 1084 proven. 276 refuted. 0 times theorem prover too weak. 687 trivial. 0 not checked. [2024-11-28 03:02:43,888 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:02:44,326 INFO L134 CoverageAnalysis]: Checked inductivity of 2047 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 1995 trivial. 0 not checked. [2024-11-28 03:02:44,327 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:02:44,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1300269866] [2024-11-28 03:02:44,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1300269866] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-28 03:02:44,327 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:02:44,327 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [11] total 14 [2024-11-28 03:02:44,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [833223986] [2024-11-28 03:02:44,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:02:44,328 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 03:02:44,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:02:44,328 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 03:02:44,328 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2024-11-28 03:02:44,328 INFO L87 Difference]: Start difference. First operand 1536 states and 1859 transitions. Second operand has 6 states, 6 states have (on average 18.666666666666668) internal successors, (112), 6 states have internal predecessors, (112), 2 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-11-28 03:02:44,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:02:44,624 INFO L93 Difference]: Finished difference Result 2808 states and 3382 transitions. [2024-11-28 03:02:44,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 03:02:44,625 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 18.666666666666668) internal successors, (112), 6 states have internal predecessors, (112), 2 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 275 [2024-11-28 03:02:44,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:02:44,629 INFO L225 Difference]: With dead ends: 2808 [2024-11-28 03:02:44,630 INFO L226 Difference]: Without dead ends: 1694 [2024-11-28 03:02:44,631 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 549 GetRequests, 536 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2024-11-28 03:02:44,631 INFO L435 NwaCegarLoop]: 199 mSDtfsCounter, 77 mSDsluCounter, 544 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 743 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:02:44,631 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 743 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:02:44,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1694 states. [2024-11-28 03:02:44,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1694 to 1498. [2024-11-28 03:02:44,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1498 states, 1293 states have (on average 1.1608662026295438) internal successors, (1501), 1309 states have internal predecessors, (1501), 148 states have call successors, (148), 56 states have call predecessors, (148), 56 states have return successors, (148), 132 states have call predecessors, (148), 148 states have call successors, (148) [2024-11-28 03:02:44,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1498 states to 1498 states and 1797 transitions. [2024-11-28 03:02:44,785 INFO L78 Accepts]: Start accepts. Automaton has 1498 states and 1797 transitions. Word has length 275 [2024-11-28 03:02:44,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:02:44,786 INFO L471 AbstractCegarLoop]: Abstraction has 1498 states and 1797 transitions. [2024-11-28 03:02:44,786 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.666666666666668) internal successors, (112), 6 states have internal predecessors, (112), 2 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-11-28 03:02:44,786 INFO L276 IsEmpty]: Start isEmpty. Operand 1498 states and 1797 transitions. [2024-11-28 03:02:44,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2024-11-28 03:02:44,789 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:02:44,789 INFO L218 NwaCegarLoop]: trace histogram [32, 32, 32, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:02:44,800 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-28 03:02:44,989 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:02:44,990 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:02:44,990 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:02:44,990 INFO L85 PathProgramCache]: Analyzing trace with hash 329047183, now seen corresponding path program 1 times [2024-11-28 03:02:44,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:02:44,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [587505541] [2024-11-28 03:02:44,991 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:02:44,991 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 [2024-11-28 03:02:44,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:02:44,993 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-28 03:02:44,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-28 03:02:45,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:02:45,621 INFO L256 TraceCheckSpWp]: Trace formula consists of 620 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-28 03:02:45,626 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:02:46,781 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 [2024-11-28 03:02:46,945 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-11-28 03:02:47,344 INFO L134 CoverageAnalysis]: Checked inductivity of 2047 backedges. 13 proven. 1074 refuted. 0 times theorem prover too weak. 960 trivial. 0 not checked. [2024-11-28 03:02:47,345 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:02:47,823 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 34 treesize of output 30 [2024-11-28 03:02:48,404 INFO L134 CoverageAnalysis]: Checked inductivity of 2047 backedges. 13 proven. 50 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-11-28 03:02:48,404 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:02:48,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [587505541] [2024-11-28 03:02:48,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [587505541] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:02:48,405 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 03:02:48,405 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 7 [2024-11-28 03:02:48,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853945140] [2024-11-28 03:02:48,405 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 03:02:48,405 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 03:02:48,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:02:48,406 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 03:02:48,406 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-28 03:02:48,406 INFO L87 Difference]: Start difference. First operand 1498 states and 1797 transitions. Second operand has 7 states, 7 states have (on average 23.285714285714285) internal successors, (163), 7 states have internal predecessors, (163), 2 states have call successors, (64), 3 states have call predecessors, (64), 3 states have return successors, (64), 2 states have call predecessors, (64), 2 states have call successors, (64) [2024-11-28 03:02:49,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:02:49,064 INFO L93 Difference]: Finished difference Result 2164 states and 2599 transitions. [2024-11-28 03:02:49,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 03:02:49,064 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 23.285714285714285) internal successors, (163), 7 states have internal predecessors, (163), 2 states have call successors, (64), 3 states have call predecessors, (64), 3 states have return successors, (64), 2 states have call predecessors, (64), 2 states have call successors, (64) Word has length 279 [2024-11-28 03:02:49,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:02:49,067 INFO L225 Difference]: With dead ends: 2164 [2024-11-28 03:02:49,067 INFO L226 Difference]: Without dead ends: 1100 [2024-11-28 03:02:49,068 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 560 GetRequests, 551 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-11-28 03:02:49,069 INFO L435 NwaCegarLoop]: 279 mSDtfsCounter, 205 mSDsluCounter, 517 mSDsCounter, 0 mSdLazyCounter, 174 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 205 SdHoareTripleChecker+Valid, 796 SdHoareTripleChecker+Invalid, 208 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 03:02:49,069 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [205 Valid, 796 Invalid, 208 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 174 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 03:02:49,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1100 states. [2024-11-28 03:02:49,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1100 to 1100. [2024-11-28 03:02:49,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1100 states, 919 states have (on average 1.1284004352557127) internal successors, (1037), 931 states have internal predecessors, (1037), 132 states have call successors, (132), 48 states have call predecessors, (132), 48 states have return successors, (132), 120 states have call predecessors, (132), 132 states have call successors, (132) [2024-11-28 03:02:49,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1100 states to 1100 states and 1301 transitions. [2024-11-28 03:02:49,187 INFO L78 Accepts]: Start accepts. Automaton has 1100 states and 1301 transitions. Word has length 279 [2024-11-28 03:02:49,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:02:49,187 INFO L471 AbstractCegarLoop]: Abstraction has 1100 states and 1301 transitions. [2024-11-28 03:02:49,187 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 23.285714285714285) internal successors, (163), 7 states have internal predecessors, (163), 2 states have call successors, (64), 3 states have call predecessors, (64), 3 states have return successors, (64), 2 states have call predecessors, (64), 2 states have call successors, (64) [2024-11-28 03:02:49,188 INFO L276 IsEmpty]: Start isEmpty. Operand 1100 states and 1301 transitions. [2024-11-28 03:02:49,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2024-11-28 03:02:49,190 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:02:49,191 INFO L218 NwaCegarLoop]: trace histogram [32, 32, 32, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:02:49,202 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-28 03:02:49,391 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:02:49,391 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:02:49,391 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:02:49,392 INFO L85 PathProgramCache]: Analyzing trace with hash 1699913704, now seen corresponding path program 1 times [2024-11-28 03:02:49,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:02:49,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1963000911] [2024-11-28 03:02:49,392 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:02:49,392 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 [2024-11-28 03:02:49,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:02:49,394 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-28 03:02:49,395 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-28 03:02:50,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:02:50,053 INFO L256 TraceCheckSpWp]: Trace formula consists of 624 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-28 03:02:50,055 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:02:50,173 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 16 [2024-11-28 03:02:50,179 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 12 [2024-11-28 03:02:50,239 INFO L134 CoverageAnalysis]: Checked inductivity of 2047 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 2026 trivial. 0 not checked. [2024-11-28 03:02:50,239 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:02:50,239 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:02:50,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1963000911] [2024-11-28 03:02:50,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1963000911] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:02:50,240 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:02:50,240 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 03:02:50,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707278094] [2024-11-28 03:02:50,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:02:50,240 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:02:50,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:02:50,241 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:02:50,241 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:02:50,241 INFO L87 Difference]: Start difference. First operand 1100 states and 1301 transitions. Second operand has 5 states, 5 states have (on average 19.8) internal successors, (99), 5 states have internal predecessors, (99), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 03:02:50,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:02:50,625 INFO L93 Difference]: Finished difference Result 2126 states and 2518 transitions. [2024-11-28 03:02:50,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:02:50,626 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.8) internal successors, (99), 5 states have internal predecessors, (99), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 281 [2024-11-28 03:02:50,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:02:50,632 INFO L225 Difference]: With dead ends: 2126 [2024-11-28 03:02:50,632 INFO L226 Difference]: Without dead ends: 1538 [2024-11-28 03:02:50,633 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 281 GetRequests, 277 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:02:50,634 INFO L435 NwaCegarLoop]: 181 mSDtfsCounter, 66 mSDsluCounter, 456 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 637 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 03:02:50,634 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 637 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 03:02:50,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1538 states. [2024-11-28 03:02:50,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1538 to 1530. [2024-11-28 03:02:50,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1530 states, 1327 states have (on average 1.13413715146948) internal successors, (1505), 1345 states have internal predecessors, (1505), 144 states have call successors, (144), 58 states have call predecessors, (144), 58 states have return successors, (144), 126 states have call predecessors, (144), 144 states have call successors, (144) [2024-11-28 03:02:50,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1530 states to 1530 states and 1793 transitions. [2024-11-28 03:02:50,795 INFO L78 Accepts]: Start accepts. Automaton has 1530 states and 1793 transitions. Word has length 281 [2024-11-28 03:02:50,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:02:50,795 INFO L471 AbstractCegarLoop]: Abstraction has 1530 states and 1793 transitions. [2024-11-28 03:02:50,795 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.8) internal successors, (99), 5 states have internal predecessors, (99), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 03:02:50,795 INFO L276 IsEmpty]: Start isEmpty. Operand 1530 states and 1793 transitions. [2024-11-28 03:02:50,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2024-11-28 03:02:50,797 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:02:50,797 INFO L218 NwaCegarLoop]: trace histogram [32, 32, 32, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:02:50,808 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-28 03:02:50,997 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:02:50,998 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:02:50,998 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:02:50,998 INFO L85 PathProgramCache]: Analyzing trace with hash -1573985238, now seen corresponding path program 1 times [2024-11-28 03:02:50,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:02:50,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [998230561] [2024-11-28 03:02:50,999 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:02:50,999 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 [2024-11-28 03:02:50,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:02:51,000 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-28 03:02:51,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-28 03:02:51,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:02:51,718 INFO L256 TraceCheckSpWp]: Trace formula consists of 624 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-28 03:02:51,723 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:02:53,075 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2024-11-28 03:02:53,133 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 16 [2024-11-28 03:02:53,159 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 14 [2024-11-28 03:02:53,313 INFO L134 CoverageAnalysis]: Checked inductivity of 2047 backedges. 11 proven. 1054 refuted. 0 times theorem prover too weak. 982 trivial. 0 not checked. [2024-11-28 03:02:53,313 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:02:53,759 INFO L134 CoverageAnalysis]: Checked inductivity of 2047 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 2026 trivial. 0 not checked. [2024-11-28 03:02:53,759 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:02:53,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [998230561] [2024-11-28 03:02:53,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [998230561] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-28 03:02:53,759 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:02:53,759 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [9] total 13 [2024-11-28 03:02:53,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041547619] [2024-11-28 03:02:53,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:02:53,760 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 03:02:53,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:02:53,760 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 03:02:53,760 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-28 03:02:53,761 INFO L87 Difference]: Start difference. First operand 1530 states and 1793 transitions. Second operand has 8 states, 8 states have (on average 12.375) internal successors, (99), 8 states have internal predecessors, (99), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 03:02:54,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:02:54,656 INFO L93 Difference]: Finished difference Result 2504 states and 2945 transitions. [2024-11-28 03:02:54,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 03:02:54,657 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.375) internal successors, (99), 8 states have internal predecessors, (99), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 281 [2024-11-28 03:02:54,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:02:54,662 INFO L225 Difference]: With dead ends: 2504 [2024-11-28 03:02:54,662 INFO L226 Difference]: Without dead ends: 1460 [2024-11-28 03:02:54,664 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 564 GetRequests, 548 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2024-11-28 03:02:54,664 INFO L435 NwaCegarLoop]: 180 mSDtfsCounter, 66 mSDsluCounter, 957 mSDsCounter, 0 mSdLazyCounter, 174 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 1137 SdHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-28 03:02:54,664 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 1137 Invalid, 175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 174 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-28 03:02:54,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1460 states. [2024-11-28 03:02:54,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1460 to 1452. [2024-11-28 03:02:54,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1452 states, 1249 states have (on average 1.1265012009607687) internal successors, (1407), 1267 states have internal predecessors, (1407), 144 states have call successors, (144), 58 states have call predecessors, (144), 58 states have return successors, (144), 126 states have call predecessors, (144), 144 states have call successors, (144) [2024-11-28 03:02:54,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1452 states to 1452 states and 1695 transitions. [2024-11-28 03:02:54,899 INFO L78 Accepts]: Start accepts. Automaton has 1452 states and 1695 transitions. Word has length 281 [2024-11-28 03:02:54,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:02:54,900 INFO L471 AbstractCegarLoop]: Abstraction has 1452 states and 1695 transitions. [2024-11-28 03:02:54,900 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.375) internal successors, (99), 8 states have internal predecessors, (99), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 03:02:54,900 INFO L276 IsEmpty]: Start isEmpty. Operand 1452 states and 1695 transitions. [2024-11-28 03:02:54,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2024-11-28 03:02:54,903 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:02:54,903 INFO L218 NwaCegarLoop]: trace histogram [32, 32, 32, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:02:54,915 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-28 03:02:55,103 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:02:55,104 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:02:55,104 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:02:55,104 INFO L85 PathProgramCache]: Analyzing trace with hash 1761953318, now seen corresponding path program 1 times [2024-11-28 03:02:55,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:02:55,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [890890644] [2024-11-28 03:02:55,105 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:02:55,105 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 [2024-11-28 03:02:55,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:02:55,109 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-28 03:02:55,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-28 03:02:55,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:02:55,791 INFO L256 TraceCheckSpWp]: Trace formula consists of 624 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-28 03:02:55,795 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:02:57,285 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2024-11-28 03:02:57,343 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 16 [2024-11-28 03:02:57,370 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 14 [2024-11-28 03:02:57,485 INFO L134 CoverageAnalysis]: Checked inductivity of 2047 backedges. 11 proven. 1002 refuted. 0 times theorem prover too weak. 1034 trivial. 0 not checked. [2024-11-28 03:02:57,485 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:02:57,945 INFO L134 CoverageAnalysis]: Checked inductivity of 2047 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 2026 trivial. 0 not checked. [2024-11-28 03:02:57,945 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:02:57,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [890890644] [2024-11-28 03:02:57,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [890890644] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-28 03:02:57,945 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:02:57,946 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [9] total 13 [2024-11-28 03:02:57,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464946949] [2024-11-28 03:02:57,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:02:57,946 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 03:02:57,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:02:57,947 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 03:02:57,947 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-28 03:02:57,947 INFO L87 Difference]: Start difference. First operand 1452 states and 1695 transitions. Second operand has 8 states, 8 states have (on average 12.375) internal successors, (99), 8 states have internal predecessors, (99), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 03:02:59,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:02:59,106 INFO L93 Difference]: Finished difference Result 2498 states and 2911 transitions. [2024-11-28 03:02:59,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 03:02:59,107 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.375) internal successors, (99), 8 states have internal predecessors, (99), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 281 [2024-11-28 03:02:59,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:02:59,114 INFO L225 Difference]: With dead ends: 2498 [2024-11-28 03:02:59,114 INFO L226 Difference]: Without dead ends: 1556 [2024-11-28 03:02:59,116 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 565 GetRequests, 549 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2024-11-28 03:02:59,117 INFO L435 NwaCegarLoop]: 148 mSDtfsCounter, 77 mSDsluCounter, 807 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 955 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-28 03:02:59,117 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 955 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-28 03:02:59,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1556 states. [2024-11-28 03:02:59,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1556 to 1470. [2024-11-28 03:02:59,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1470 states, 1255 states have (on average 1.1243027888446215) internal successors, (1411), 1271 states have internal predecessors, (1411), 148 states have call successors, (148), 66 states have call predecessors, (148), 66 states have return successors, (148), 132 states have call predecessors, (148), 148 states have call successors, (148) [2024-11-28 03:02:59,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1470 states to 1470 states and 1707 transitions. [2024-11-28 03:02:59,382 INFO L78 Accepts]: Start accepts. Automaton has 1470 states and 1707 transitions. Word has length 281 [2024-11-28 03:02:59,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:02:59,383 INFO L471 AbstractCegarLoop]: Abstraction has 1470 states and 1707 transitions. [2024-11-28 03:02:59,384 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.375) internal successors, (99), 8 states have internal predecessors, (99), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 03:02:59,384 INFO L276 IsEmpty]: Start isEmpty. Operand 1470 states and 1707 transitions. [2024-11-28 03:02:59,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2024-11-28 03:02:59,386 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:02:59,387 INFO L218 NwaCegarLoop]: trace histogram [32, 32, 32, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:02:59,398 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-28 03:02:59,587 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:02:59,587 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:02:59,588 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:02:59,588 INFO L85 PathProgramCache]: Analyzing trace with hash -1511945624, now seen corresponding path program 1 times [2024-11-28 03:02:59,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:02:59,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [118844107] [2024-11-28 03:02:59,589 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:02:59,589 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 [2024-11-28 03:02:59,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:02:59,591 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-28 03:02:59,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-28 03:03:00,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:03:00,277 INFO L256 TraceCheckSpWp]: Trace formula consists of 624 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-28 03:03:00,280 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:03:00,393 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 17 [2024-11-28 03:03:00,400 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2024-11-28 03:03:00,465 INFO L134 CoverageAnalysis]: Checked inductivity of 2047 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 2026 trivial. 0 not checked. [2024-11-28 03:03:00,465 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:03:00,465 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:03:00,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [118844107] [2024-11-28 03:03:00,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [118844107] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:03:00,465 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:03:00,465 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 03:03:00,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [770489217] [2024-11-28 03:03:00,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:03:00,465 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:03:00,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:03:00,466 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:03:00,466 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:03:00,466 INFO L87 Difference]: Start difference. First operand 1470 states and 1707 transitions. Second operand has 5 states, 5 states have (on average 19.8) internal successors, (99), 5 states have internal predecessors, (99), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 03:03:01,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:03:01,187 INFO L93 Difference]: Finished difference Result 2518 states and 2898 transitions. [2024-11-28 03:03:01,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:03:01,189 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.8) internal successors, (99), 5 states have internal predecessors, (99), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 281 [2024-11-28 03:03:01,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:03:01,195 INFO L225 Difference]: With dead ends: 2518 [2024-11-28 03:03:01,195 INFO L226 Difference]: Without dead ends: 1462 [2024-11-28 03:03:01,197 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 281 GetRequests, 277 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:03:01,197 INFO L435 NwaCegarLoop]: 201 mSDtfsCounter, 63 mSDsluCounter, 493 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 694 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-28 03:03:01,197 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 694 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-28 03:03:01,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1462 states. [2024-11-28 03:03:01,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1462 to 1452. [2024-11-28 03:03:01,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1452 states, 1226 states have (on average 1.1044045676998369) internal successors, (1354), 1244 states have internal predecessors, (1354), 151 states have call successors, (151), 74 states have call predecessors, (151), 74 states have return successors, (151), 133 states have call predecessors, (151), 151 states have call successors, (151) [2024-11-28 03:03:01,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1452 states to 1452 states and 1656 transitions. [2024-11-28 03:03:01,489 INFO L78 Accepts]: Start accepts. Automaton has 1452 states and 1656 transitions. Word has length 281 [2024-11-28 03:03:01,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:03:01,490 INFO L471 AbstractCegarLoop]: Abstraction has 1452 states and 1656 transitions. [2024-11-28 03:03:01,490 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.8) internal successors, (99), 5 states have internal predecessors, (99), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 03:03:01,490 INFO L276 IsEmpty]: Start isEmpty. Operand 1452 states and 1656 transitions. [2024-11-28 03:03:01,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2024-11-28 03:03:01,493 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:03:01,493 INFO L218 NwaCegarLoop]: trace histogram [32, 32, 32, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:03:01,504 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-28 03:03:01,693 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:03:01,693 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:03:01,694 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:03:01,694 INFO L85 PathProgramCache]: Analyzing trace with hash 1860587988, now seen corresponding path program 1 times [2024-11-28 03:03:01,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:03:01,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [687939931] [2024-11-28 03:03:01,694 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:03:01,694 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:03:01,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:03:01,696 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-28 03:03:01,697 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-28 03:03:02,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:03:02,389 INFO L256 TraceCheckSpWp]: Trace formula consists of 650 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-28 03:03:02,392 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:03:03,354 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 [2024-11-28 03:03:03,500 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-11-28 03:03:04,064 INFO L134 CoverageAnalysis]: Checked inductivity of 2058 backedges. 17 proven. 1081 refuted. 0 times theorem prover too weak. 960 trivial. 0 not checked. [2024-11-28 03:03:04,064 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:03:04,447 INFO L134 CoverageAnalysis]: Checked inductivity of 2058 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 2029 trivial. 0 not checked. [2024-11-28 03:03:04,447 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:03:04,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [687939931] [2024-11-28 03:03:04,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [687939931] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-28 03:03:04,448 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:03:04,448 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 10 [2024-11-28 03:03:04,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518712652] [2024-11-28 03:03:04,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:03:04,448 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:03:04,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:03:04,449 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:03:04,449 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-11-28 03:03:04,449 INFO L87 Difference]: Start difference. First operand 1452 states and 1656 transitions. Second operand has 5 states, 5 states have (on average 21.6) internal successors, (108), 5 states have internal predecessors, (108), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 03:03:04,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:03:04,789 INFO L93 Difference]: Finished difference Result 2418 states and 2735 transitions. [2024-11-28 03:03:04,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 03:03:04,789 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.6) internal successors, (108), 5 states have internal predecessors, (108), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 292 [2024-11-28 03:03:04,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:03:04,792 INFO L225 Difference]: With dead ends: 2418 [2024-11-28 03:03:04,792 INFO L226 Difference]: Without dead ends: 0 [2024-11-28 03:03:04,793 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 583 GetRequests, 573 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2024-11-28 03:03:04,794 INFO L435 NwaCegarLoop]: 162 mSDtfsCounter, 52 mSDsluCounter, 262 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 424 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 03:03:04,794 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 424 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 03:03:04,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-28 03:03:04,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-28 03:03:04,795 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) [2024-11-28 03:03:04,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-28 03:03:04,796 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 292 [2024-11-28 03:03:04,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:03:04,796 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 03:03:04,797 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.6) internal successors, (108), 5 states have internal predecessors, (108), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 03:03:04,797 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-28 03:03:04,797 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-28 03:03:04,800 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-28 03:03:04,812 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-28 03:03:05,000 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd09000-f42b-4a55-967d-560cee430e77/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:03:05,004 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] [2024-11-28 03:03:05,006 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-28 03:04:09,461 WARN L286 SmtUtils]: Spent 58.31s on a formula simplification. DAG size of input: 143 DAG size of output: 123 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter)