./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-99.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e236eeec-c34a-4169-aa0d-a6b9e0c3d514/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e236eeec-c34a-4169-aa0d-a6b9e0c3d514/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e236eeec-c34a-4169-aa0d-a6b9e0c3d514/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e236eeec-c34a-4169-aa0d-a6b9e0c3d514/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-99.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e236eeec-c34a-4169-aa0d-a6b9e0c3d514/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e236eeec-c34a-4169-aa0d-a6b9e0c3d514/bin/uautomizer-verify-BQ2R08f2Ya --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 0987a1fc3d0eb59d453fd697f85e5129ed09f2056b05af2093f19278b7a9eac6 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 04:53:18,487 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 04:53:18,574 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e236eeec-c34a-4169-aa0d-a6b9e0c3d514/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-29 04:53:18,578 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 04:53:18,578 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 04:53:18,600 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 04:53:18,600 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 04:53:18,601 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 04:53:18,601 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 04:53:18,602 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 04:53:18,603 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 04:53:18,603 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 04:53:18,604 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 04:53:18,604 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 04:53:18,605 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 04:53:18,606 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 04:53:18,606 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 04:53:18,607 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 04:53:18,607 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 04:53:18,607 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 04:53:18,608 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 04:53:18,608 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 04:53:18,609 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 04:53:18,609 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 04:53:18,610 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 04:53:18,610 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 04:53:18,610 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 04:53:18,611 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 04:53:18,611 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 04:53:18,611 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 04:53:18,612 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 04:53:18,612 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 04:53:18,612 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 04:53:18,613 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 04:53:18,613 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 04:53:18,613 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 04:53:18,613 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 04:53:18,613 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 04:53:18,613 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 04:53:18,614 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 04:53:18,614 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 04:53:18,614 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 04:53:18,614 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e236eeec-c34a-4169-aa0d-a6b9e0c3d514/bin/uautomizer-verify-BQ2R08f2Ya/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e236eeec-c34a-4169-aa0d-a6b9e0c3d514/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0987a1fc3d0eb59d453fd697f85e5129ed09f2056b05af2093f19278b7a9eac6 [2023-11-29 04:53:18,827 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 04:53:18,865 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 04:53:18,868 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 04:53:18,872 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 04:53:18,872 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 04:53:18,873 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e236eeec-c34a-4169-aa0d-a6b9e0c3d514/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-99.i [2023-11-29 04:53:21,576 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 04:53:21,745 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 04:53:21,745 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e236eeec-c34a-4169-aa0d-a6b9e0c3d514/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-99.i [2023-11-29 04:53:21,753 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e236eeec-c34a-4169-aa0d-a6b9e0c3d514/bin/uautomizer-verify-BQ2R08f2Ya/data/520440ee1/1087c9a5bb8e472b856923c69ce4efa2/FLAGd6e985075 [2023-11-29 04:53:21,765 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e236eeec-c34a-4169-aa0d-a6b9e0c3d514/bin/uautomizer-verify-BQ2R08f2Ya/data/520440ee1/1087c9a5bb8e472b856923c69ce4efa2 [2023-11-29 04:53:21,767 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 04:53:21,768 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 04:53:21,769 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 04:53:21,769 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 04:53:21,774 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 04:53:21,775 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 04:53:21" (1/1) ... [2023-11-29 04:53:21,776 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45e91d56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:53:21, skipping insertion in model container [2023-11-29 04:53:21,776 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 04:53:21" (1/1) ... [2023-11-29 04:53:21,804 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 04:53:21,917 WARN L240 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_e236eeec-c34a-4169-aa0d-a6b9e0c3d514/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-99.i[916,929] [2023-11-29 04:53:21,974 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 04:53:21,984 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 04:53:21,997 WARN L240 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_e236eeec-c34a-4169-aa0d-a6b9e0c3d514/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-99.i[916,929] [2023-11-29 04:53:22,040 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 04:53:22,061 INFO L206 MainTranslator]: Completed translation [2023-11-29 04:53:22,061 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:53:22 WrapperNode [2023-11-29 04:53:22,061 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 04:53:22,062 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 04:53:22,062 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 04:53:22,063 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 04:53:22,070 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:53:22" (1/1) ... [2023-11-29 04:53:22,087 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:53:22" (1/1) ... [2023-11-29 04:53:22,127 INFO L138 Inliner]: procedures = 29, calls = 183, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 496 [2023-11-29 04:53:22,127 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 04:53:22,128 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 04:53:22,128 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 04:53:22,128 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 04:53:22,140 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:53:22" (1/1) ... [2023-11-29 04:53:22,140 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:53:22" (1/1) ... [2023-11-29 04:53:22,149 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:53:22" (1/1) ... [2023-11-29 04:53:22,171 INFO L175 MemorySlicer]: Split 152 memory accesses to 2 slices as follows [2, 150]. 99 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 15]. The 19 writes are split as follows [0, 19]. [2023-11-29 04:53:22,172 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:53:22" (1/1) ... [2023-11-29 04:53:22,172 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:53:22" (1/1) ... [2023-11-29 04:53:22,198 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:53:22" (1/1) ... [2023-11-29 04:53:22,204 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:53:22" (1/1) ... [2023-11-29 04:53:22,207 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:53:22" (1/1) ... [2023-11-29 04:53:22,211 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:53:22" (1/1) ... [2023-11-29 04:53:22,217 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 04:53:22,218 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 04:53:22,218 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 04:53:22,218 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 04:53:22,219 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:53:22" (1/1) ... [2023-11-29 04:53:22,225 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 04:53:22,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e236eeec-c34a-4169-aa0d-a6b9e0c3d514/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:53:22,248 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e236eeec-c34a-4169-aa0d-a6b9e0c3d514/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 04:53:22,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e236eeec-c34a-4169-aa0d-a6b9e0c3d514/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 04:53:22,293 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 04:53:22,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-29 04:53:22,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-29 04:53:22,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2023-11-29 04:53:22,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2023-11-29 04:53:22,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2023-11-29 04:53:22,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2023-11-29 04:53:22,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-29 04:53:22,295 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-29 04:53:22,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2023-11-29 04:53:22,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2023-11-29 04:53:22,295 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 04:53:22,295 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 04:53:22,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 04:53:22,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-29 04:53:22,296 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 04:53:22,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 04:53:22,408 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 04:53:22,410 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 04:53:22,854 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 04:53:22,886 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 04:53:22,886 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 04:53:22,887 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:53:22 BoogieIcfgContainer [2023-11-29 04:53:22,887 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 04:53:22,889 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 04:53:22,889 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 04:53:22,892 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 04:53:22,893 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 04:53:21" (1/3) ... [2023-11-29 04:53:22,893 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fc06020 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 04:53:22, skipping insertion in model container [2023-11-29 04:53:22,893 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:53:22" (2/3) ... [2023-11-29 04:53:22,894 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fc06020 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 04:53:22, skipping insertion in model container [2023-11-29 04:53:22,894 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:53:22" (3/3) ... [2023-11-29 04:53:22,895 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-99.i [2023-11-29 04:53:22,914 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 04:53:22,914 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 04:53:22,958 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 04:53:22,963 INFO L357 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, mHoare=true, 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;@226c1f53, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 04:53:22,963 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 04:53:22,968 INFO L276 IsEmpty]: Start isEmpty. Operand has 118 states, 96 states have (on average 1.4479166666666667) internal successors, (139), 97 states have internal predecessors, (139), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-29 04:53:22,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2023-11-29 04:53:22,982 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:53:22,982 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:53:22,983 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:53:22,987 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:53:22,987 INFO L85 PathProgramCache]: Analyzing trace with hash 1120908895, now seen corresponding path program 1 times [2023-11-29 04:53:22,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:53:22,996 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619249818] [2023-11-29 04:53:22,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:53:22,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:53:23,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:53:23,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:53:23,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [619249818] [2023-11-29 04:53:23,231 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-29 04:53:23,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [715973409] [2023-11-29 04:53:23,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:53:23,232 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 04:53:23,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e236eeec-c34a-4169-aa0d-a6b9e0c3d514/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:53:23,233 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e236eeec-c34a-4169-aa0d-a6b9e0c3d514/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 04:53:23,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e236eeec-c34a-4169-aa0d-a6b9e0c3d514/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-29 04:53:23,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:53:23,499 INFO L262 TraceCheckSpWp]: Trace formula consists of 476 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-29 04:53:23,511 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:53:23,555 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 648 trivial. 0 not checked. [2023-11-29 04:53:23,555 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:53:23,556 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [715973409] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:53:23,556 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:53:23,556 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:53:23,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2141569684] [2023-11-29 04:53:23,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:53:23,563 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 04:53:23,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:53:23,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 04:53:23,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 04:53:23,591 INFO L87 Difference]: Start difference. First operand has 118 states, 96 states have (on average 1.4479166666666667) internal successors, (139), 97 states have internal predecessors, (139), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 30.5) internal successors, (61), 2 states have internal predecessors, (61), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-29 04:53:23,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:53:23,634 INFO L93 Difference]: Finished difference Result 233 states and 371 transitions. [2023-11-29 04:53:23,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 04:53:23,636 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 30.5) internal successors, (61), 2 states have internal predecessors, (61), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) Word has length 151 [2023-11-29 04:53:23,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:53:23,644 INFO L225 Difference]: With dead ends: 233 [2023-11-29 04:53:23,644 INFO L226 Difference]: Without dead ends: 116 [2023-11-29 04:53:23,648 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 04:53:23,652 INFO L413 NwaCegarLoop]: 168 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 168 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 04:53:23,653 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 168 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 04:53:23,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2023-11-29 04:53:23,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2023-11-29 04:53:23,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 95 states have (on average 1.4105263157894736) internal successors, (134), 95 states have internal predecessors, (134), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-29 04:53:23,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 172 transitions. [2023-11-29 04:53:23,698 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 172 transitions. Word has length 151 [2023-11-29 04:53:23,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:53:23,698 INFO L495 AbstractCegarLoop]: Abstraction has 116 states and 172 transitions. [2023-11-29 04:53:23,699 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 30.5) internal successors, (61), 2 states have internal predecessors, (61), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-29 04:53:23,699 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 172 transitions. [2023-11-29 04:53:23,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2023-11-29 04:53:23,703 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:53:23,704 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:53:23,710 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e236eeec-c34a-4169-aa0d-a6b9e0c3d514/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-29 04:53:23,904 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e236eeec-c34a-4169-aa0d-a6b9e0c3d514/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-29 04:53:23,905 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:53:23,905 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:53:23,906 INFO L85 PathProgramCache]: Analyzing trace with hash 824154545, now seen corresponding path program 1 times [2023-11-29 04:53:23,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:53:23,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348144491] [2023-11-29 04:53:23,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:53:23,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:53:24,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:53:24,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:53:24,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1348144491] [2023-11-29 04:53:24,084 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-29 04:53:24,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [660726536] [2023-11-29 04:53:24,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:53:24,085 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 04:53:24,085 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e236eeec-c34a-4169-aa0d-a6b9e0c3d514/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:53:24,086 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e236eeec-c34a-4169-aa0d-a6b9e0c3d514/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 04:53:24,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e236eeec-c34a-4169-aa0d-a6b9e0c3d514/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-29 04:53:24,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:53:24,307 INFO L262 TraceCheckSpWp]: Trace formula consists of 476 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 04:53:24,314 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:53:24,359 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 548 trivial. 0 not checked. [2023-11-29 04:53:24,359 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:53:24,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [660726536] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:53:24,360 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:53:24,360 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 04:53:24,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840335032] [2023-11-29 04:53:24,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:53:24,362 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 04:53:24,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:53:24,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 04:53:24,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 04:53:24,363 INFO L87 Difference]: Start difference. First operand 116 states and 172 transitions. Second operand has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-29 04:53:24,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:53:24,423 INFO L93 Difference]: Finished difference Result 237 states and 352 transitions. [2023-11-29 04:53:24,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 04:53:24,423 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 151 [2023-11-29 04:53:24,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:53:24,426 INFO L225 Difference]: With dead ends: 237 [2023-11-29 04:53:24,426 INFO L226 Difference]: Without dead ends: 122 [2023-11-29 04:53:24,427 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 04:53:24,429 INFO L413 NwaCegarLoop]: 167 mSDtfsCounter, 10 mSDsluCounter, 326 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 493 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 04:53:24,429 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 493 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 04:53:24,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2023-11-29 04:53:24,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 118. [2023-11-29 04:53:24,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 97 states have (on average 1.402061855670103) internal successors, (136), 97 states have internal predecessors, (136), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-29 04:53:24,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 174 transitions. [2023-11-29 04:53:24,447 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 174 transitions. Word has length 151 [2023-11-29 04:53:24,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:53:24,448 INFO L495 AbstractCegarLoop]: Abstraction has 118 states and 174 transitions. [2023-11-29 04:53:24,448 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-29 04:53:24,448 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 174 transitions. [2023-11-29 04:53:24,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2023-11-29 04:53:24,452 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:53:24,452 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:53:24,458 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e236eeec-c34a-4169-aa0d-a6b9e0c3d514/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-29 04:53:24,654 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e236eeec-c34a-4169-aa0d-a6b9e0c3d514/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 04:53:24,655 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:53:24,655 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:53:24,655 INFO L85 PathProgramCache]: Analyzing trace with hash 754506671, now seen corresponding path program 1 times [2023-11-29 04:53:24,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:53:24,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308501200] [2023-11-29 04:53:24,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:53:24,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:53:24,724 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 04:53:24,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2062464044] [2023-11-29 04:53:24,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:53:24,725 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 04:53:24,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e236eeec-c34a-4169-aa0d-a6b9e0c3d514/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:53:24,726 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e236eeec-c34a-4169-aa0d-a6b9e0c3d514/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 04:53:24,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e236eeec-c34a-4169-aa0d-a6b9e0c3d514/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-29 04:53:24,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:53:24,967 INFO L262 TraceCheckSpWp]: Trace formula consists of 478 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-29 04:53:24,974 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:53:25,057 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2023-11-29 04:53:25,070 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2023-11-29 04:53:25,080 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 9 [2023-11-29 04:53:25,090 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-11-29 04:53:25,091 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:53:25,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:53:25,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1308501200] [2023-11-29 04:53:25,091 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 04:53:25,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2062464044] [2023-11-29 04:53:25,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2062464044] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:53:25,092 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:53:25,092 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 04:53:25,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708218950] [2023-11-29 04:53:25,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:53:25,093 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 04:53:25,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:53:25,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 04:53:25,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 04:53:25,095 INFO L87 Difference]: Start difference. First operand 118 states and 174 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, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-29 04:53:25,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:53:25,433 INFO L93 Difference]: Finished difference Result 285 states and 419 transitions. [2023-11-29 04:53:25,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 04:53:25,434 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, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 151 [2023-11-29 04:53:25,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:53:25,437 INFO L225 Difference]: With dead ends: 285 [2023-11-29 04:53:25,437 INFO L226 Difference]: Without dead ends: 168 [2023-11-29 04:53:25,438 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-29 04:53:25,440 INFO L413 NwaCegarLoop]: 129 mSDtfsCounter, 99 mSDsluCounter, 318 mSDsCounter, 0 mSdLazyCounter, 253 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 447 SdHoareTripleChecker+Invalid, 258 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 253 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-29 04:53:25,441 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 447 Invalid, 258 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 253 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-29 04:53:25,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2023-11-29 04:53:25,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 129. [2023-11-29 04:53:25,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 108 states have (on average 1.4074074074074074) internal successors, (152), 108 states have internal predecessors, (152), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-29 04:53:25,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 190 transitions. [2023-11-29 04:53:25,455 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 190 transitions. Word has length 151 [2023-11-29 04:53:25,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:53:25,457 INFO L495 AbstractCegarLoop]: Abstraction has 129 states and 190 transitions. [2023-11-29 04:53:25,457 INFO L496 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, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-29 04:53:25,457 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 190 transitions. [2023-11-29 04:53:25,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2023-11-29 04:53:25,460 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:53:25,461 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:53:25,466 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e236eeec-c34a-4169-aa0d-a6b9e0c3d514/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-29 04:53:25,662 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e236eeec-c34a-4169-aa0d-a6b9e0c3d514/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 04:53:25,663 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:53:25,663 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:53:25,663 INFO L85 PathProgramCache]: Analyzing trace with hash -1368362552, now seen corresponding path program 1 times [2023-11-29 04:53:25,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:53:25,663 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619218703] [2023-11-29 04:53:25,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:53:25,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:53:25,722 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 04:53:25,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [48038596] [2023-11-29 04:53:25,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:53:25,722 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 04:53:25,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e236eeec-c34a-4169-aa0d-a6b9e0c3d514/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:53:25,724 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e236eeec-c34a-4169-aa0d-a6b9e0c3d514/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 04:53:25,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e236eeec-c34a-4169-aa0d-a6b9e0c3d514/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-29 04:53:25,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:53:25,946 INFO L262 TraceCheckSpWp]: Trace formula consists of 471 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 04:53:25,951 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:53:25,977 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-11-29 04:53:25,978 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:53:25,978 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:53:25,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [619218703] [2023-11-29 04:53:25,978 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 04:53:25,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [48038596] [2023-11-29 04:53:25,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [48038596] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:53:25,979 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:53:25,979 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 04:53:25,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948762976] [2023-11-29 04:53:25,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:53:25,980 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 04:53:25,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:53:25,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 04:53:25,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 04:53:25,981 INFO L87 Difference]: Start difference. First operand 129 states and 190 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, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-29 04:53:26,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:53:26,034 INFO L93 Difference]: Finished difference Result 273 states and 402 transitions. [2023-11-29 04:53:26,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 04:53:26,035 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, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 151 [2023-11-29 04:53:26,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:53:26,037 INFO L225 Difference]: With dead ends: 273 [2023-11-29 04:53:26,037 INFO L226 Difference]: Without dead ends: 145 [2023-11-29 04:53:26,038 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-29 04:53:26,039 INFO L413 NwaCegarLoop]: 177 mSDtfsCounter, 52 mSDsluCounter, 495 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 672 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 04:53:26,040 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 672 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 04:53:26,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2023-11-29 04:53:26,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 132. [2023-11-29 04:53:26,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 111 states have (on average 1.3963963963963963) internal successors, (155), 111 states have internal predecessors, (155), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-29 04:53:26,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 193 transitions. [2023-11-29 04:53:26,051 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 193 transitions. Word has length 151 [2023-11-29 04:53:26,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:53:26,052 INFO L495 AbstractCegarLoop]: Abstraction has 132 states and 193 transitions. [2023-11-29 04:53:26,052 INFO L496 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, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-29 04:53:26,052 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 193 transitions. [2023-11-29 04:53:26,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2023-11-29 04:53:26,055 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:53:26,055 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:53:26,061 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e236eeec-c34a-4169-aa0d-a6b9e0c3d514/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-11-29 04:53:26,261 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e236eeec-c34a-4169-aa0d-a6b9e0c3d514/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 04:53:26,262 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:53:26,262 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:53:26,262 INFO L85 PathProgramCache]: Analyzing trace with hash 1456409691, now seen corresponding path program 1 times [2023-11-29 04:53:26,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:53:26,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1634953731] [2023-11-29 04:53:26,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:53:26,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:53:26,309 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 04:53:26,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1278517177] [2023-11-29 04:53:26,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:53:26,310 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 04:53:26,310 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e236eeec-c34a-4169-aa0d-a6b9e0c3d514/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:53:26,311 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e236eeec-c34a-4169-aa0d-a6b9e0c3d514/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 04:53:26,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e236eeec-c34a-4169-aa0d-a6b9e0c3d514/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-29 04:53:26,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 04:53:26,960 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 04:53:27,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 04:53:27,538 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 04:53:27,538 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-29 04:53:27,540 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-29 04:53:27,551 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e236eeec-c34a-4169-aa0d-a6b9e0c3d514/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-11-29 04:53:27,742 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e236eeec-c34a-4169-aa0d-a6b9e0c3d514/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 04:53:27,745 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-11-29 04:53:27,747 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 04:53:27,779 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated [2023-11-29 04:53:27,780 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated [2023-11-29 04:53:27,781 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated [2023-11-29 04:53:27,781 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated [2023-11-29 04:53:27,781 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated [2023-11-29 04:53:27,781 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated [2023-11-29 04:53:27,781 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short50 could not be translated [2023-11-29 04:53:27,781 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated [2023-11-29 04:53:27,782 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short54 could not be translated [2023-11-29 04:53:27,782 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short50 could not be translated [2023-11-29 04:53:27,782 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated [2023-11-29 04:53:27,782 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short54 could not be translated [2023-11-29 04:53:27,783 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated [2023-11-29 04:53:27,783 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated [2023-11-29 04:53:27,783 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated [2023-11-29 04:53:27,783 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated [2023-11-29 04:53:27,783 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated [2023-11-29 04:53:27,784 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short58 could not be translated [2023-11-29 04:53:27,784 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short62 could not be translated [2023-11-29 04:53:27,784 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated [2023-11-29 04:53:27,784 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated [2023-11-29 04:53:27,784 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short62 could not be translated [2023-11-29 04:53:27,785 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated [2023-11-29 04:53:27,785 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short58 could not be translated [2023-11-29 04:53:27,785 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated [2023-11-29 04:53:27,785 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated [2023-11-29 04:53:27,785 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated [2023-11-29 04:53:27,786 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated [2023-11-29 04:53:27,786 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short70 could not be translated [2023-11-29 04:53:27,786 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short66 could not be translated [2023-11-29 04:53:27,786 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated [2023-11-29 04:53:27,786 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated [2023-11-29 04:53:27,787 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated [2023-11-29 04:53:27,787 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short70 could not be translated [2023-11-29 04:53:27,787 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short66 could not be translated [2023-11-29 04:53:27,787 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem72 could not be translated [2023-11-29 04:53:27,788 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem73 could not be translated [2023-11-29 04:53:27,788 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem75 could not be translated [2023-11-29 04:53:27,788 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated [2023-11-29 04:53:27,789 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem75 could not be translated [2023-11-29 04:53:27,789 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short77 could not be translated [2023-11-29 04:53:27,789 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated [2023-11-29 04:53:27,789 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short81 could not be translated [2023-11-29 04:53:27,789 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem75 could not be translated [2023-11-29 04:53:27,790 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated [2023-11-29 04:53:27,790 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short77 could not be translated [2023-11-29 04:53:27,790 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short81 could not be translated [2023-11-29 04:53:27,790 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem75 could not be translated [2023-11-29 04:53:27,790 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated [2023-11-29 04:53:27,791 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem84 could not be translated [2023-11-29 04:53:27,791 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated [2023-11-29 04:53:27,791 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem84 could not be translated [2023-11-29 04:53:27,791 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated [2023-11-29 04:53:27,791 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short85 could not be translated [2023-11-29 04:53:27,791 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short89 could not be translated [2023-11-29 04:53:27,792 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated [2023-11-29 04:53:27,792 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem84 could not be translated [2023-11-29 04:53:27,792 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short89 could not be translated [2023-11-29 04:53:27,792 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short85 could not be translated [2023-11-29 04:53:27,793 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem91 could not be translated [2023-11-29 04:53:27,793 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem92 could not be translated [2023-11-29 04:53:27,793 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem91 could not be translated [2023-11-29 04:53:27,793 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem91 could not be translated [2023-11-29 04:53:27,793 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short93 could not be translated [2023-11-29 04:53:27,793 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem92 could not be translated [2023-11-29 04:53:27,793 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short97 could not be translated [2023-11-29 04:53:27,794 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short97 could not be translated [2023-11-29 04:53:27,794 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem92 could not be translated [2023-11-29 04:53:27,794 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem91 could not be translated [2023-11-29 04:53:27,794 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short93 could not be translated [2023-11-29 04:53:27,795 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem99 could not be translated [2023-11-29 04:53:27,795 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem100 could not be translated [2023-11-29 04:53:27,796 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem102 could not be translated [2023-11-29 04:53:27,796 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem103 could not be translated [2023-11-29 04:53:27,797 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem105 could not be translated [2023-11-29 04:53:27,797 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem106 could not be translated [2023-11-29 04:53:27,798 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem107 could not be translated [2023-11-29 04:53:27,798 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem109 could not be translated [2023-11-29 04:53:27,799 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem110 could not be translated [2023-11-29 04:53:27,799 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem6 could not be translated [2023-11-29 04:53:27,799 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite9 could not be translated [2023-11-29 04:53:27,799 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem5 could not be translated [2023-11-29 04:53:27,800 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem7 could not be translated [2023-11-29 04:53:27,800 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite116 could not be translated [2023-11-29 04:53:27,800 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem111 could not be translated [2023-11-29 04:53:27,801 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem113 could not be translated [2023-11-29 04:53:27,801 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem114 could not be translated [2023-11-29 04:53:27,801 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem118 could not be translated [2023-11-29 04:53:27,801 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem112 could not be translated [2023-11-29 04:53:27,801 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem112 could not be translated [2023-11-29 04:53:27,801 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite116 could not be translated [2023-11-29 04:53:27,802 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem118 could not be translated [2023-11-29 04:53:27,802 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem114 could not be translated [2023-11-29 04:53:27,802 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem113 could not be translated [2023-11-29 04:53:27,802 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem111 could not be translated [2023-11-29 04:53:27,802 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem117 could not be translated [2023-11-29 04:53:27,802 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite128 could not be translated [2023-11-29 04:53:27,802 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite128 could not be translated [2023-11-29 04:53:27,802 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem117 could not be translated [2023-11-29 04:53:27,803 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem118 could not be translated [2023-11-29 04:53:27,803 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short142 could not be translated [2023-11-29 04:53:27,803 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem113 could not be translated [2023-11-29 04:53:27,803 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite116 could not be translated [2023-11-29 04:53:27,803 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem111 could not be translated [2023-11-29 04:53:27,803 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem112 could not be translated [2023-11-29 04:53:27,803 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem114 could not be translated [2023-11-29 04:53:27,804 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short142 could not be translated [2023-11-29 04:53:27,804 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem112 could not be translated [2023-11-29 04:53:27,804 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem114 could not be translated [2023-11-29 04:53:27,804 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem113 could not be translated [2023-11-29 04:53:27,804 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem111 could not be translated [2023-11-29 04:53:27,804 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem118 could not be translated [2023-11-29 04:53:27,804 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite128 could not be translated [2023-11-29 04:53:27,804 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short164 could not be translated [2023-11-29 04:53:27,805 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem117 could not be translated [2023-11-29 04:53:27,805 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite116 could not be translated [2023-11-29 04:53:27,827 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 04:53:27 BoogieIcfgContainer [2023-11-29 04:53:27,827 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 04:53:27,828 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 04:53:27,828 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 04:53:27,828 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 04:53:27,828 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:53:22" (3/4) ... [2023-11-29 04:53:27,830 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-29 04:53:27,832 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 04:53:27,832 INFO L158 Benchmark]: Toolchain (without parser) took 6063.77ms. Allocated memory was 174.1MB in the beginning and 213.9MB in the end (delta: 39.8MB). Free memory was 138.7MB in the beginning and 162.9MB in the end (delta: -24.2MB). Peak memory consumption was 15.9MB. Max. memory is 16.1GB. [2023-11-29 04:53:27,833 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 109.1MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 04:53:27,833 INFO L158 Benchmark]: CACSL2BoogieTranslator took 292.30ms. Allocated memory is still 174.1MB. Free memory was 138.1MB in the beginning and 121.2MB in the end (delta: 16.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-29 04:53:27,833 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.04ms. Allocated memory is still 174.1MB. Free memory was 121.2MB in the beginning and 117.1MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 04:53:27,834 INFO L158 Benchmark]: Boogie Preprocessor took 89.04ms. Allocated memory is still 174.1MB. Free memory was 117.1MB in the beginning and 112.1MB in the end (delta: 5.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-29 04:53:27,834 INFO L158 Benchmark]: RCFGBuilder took 669.15ms. Allocated memory is still 174.1MB. Free memory was 112.1MB in the beginning and 118.5MB in the end (delta: -6.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-29 04:53:27,835 INFO L158 Benchmark]: TraceAbstraction took 4938.09ms. Allocated memory was 174.1MB in the beginning and 213.9MB in the end (delta: 39.8MB). Free memory was 117.9MB in the beginning and 162.9MB in the end (delta: -45.0MB). Peak memory consumption was 85.4MB. Max. memory is 16.1GB. [2023-11-29 04:53:27,835 INFO L158 Benchmark]: Witness Printer took 4.16ms. Allocated memory is still 213.9MB. Free memory is still 162.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 04:53:27,837 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 109.1MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 292.30ms. Allocated memory is still 174.1MB. Free memory was 138.1MB in the beginning and 121.2MB in the end (delta: 16.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.04ms. Allocated memory is still 174.1MB. Free memory was 121.2MB in the beginning and 117.1MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 89.04ms. Allocated memory is still 174.1MB. Free memory was 117.1MB in the beginning and 112.1MB in the end (delta: 5.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 669.15ms. Allocated memory is still 174.1MB. Free memory was 112.1MB in the beginning and 118.5MB in the end (delta: -6.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 4938.09ms. Allocated memory was 174.1MB in the beginning and 213.9MB in the end (delta: 39.8MB). Free memory was 117.9MB in the beginning and 162.9MB in the end (delta: -45.0MB). Peak memory consumption was 85.4MB. Max. memory is 16.1GB. * Witness Printer took 4.16ms. Allocated memory is still 213.9MB. Free memory is still 162.9MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short50 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short54 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short50 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short54 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short58 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short58 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short70 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short66 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short70 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short66 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem72 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem73 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem75 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem75 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short77 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short81 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem75 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short77 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short81 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem75 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem84 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem84 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short85 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short89 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem84 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short89 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short85 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem91 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem92 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem91 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem91 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short93 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem92 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short97 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short97 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem92 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem91 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short93 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem99 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem100 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem102 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem103 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem105 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem106 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem107 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem109 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem110 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite9 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem5 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem7 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite116 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem111 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem113 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem114 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem118 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem112 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem112 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite116 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem118 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem114 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem113 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem111 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem117 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite128 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite128 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem117 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem118 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short142 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem113 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite116 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem111 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem112 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem114 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short142 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem112 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem114 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem113 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem111 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem118 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite128 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short164 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem117 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite116 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * 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 120, overapproximation of someBinaryArithmeticFLOAToperation at line 62. Possible FailurePath: [L39] unsigned char isInitial = 0; [L40-L56] struct WrapperStruct00 WrapperStruct00 = { 255.5, 16, 1000000000000000.6, 500.5, 99999999999.5, 1, 127.25, 4.8, 0.4, 0, 256, 25, -5, 2, -50 }; [L40-L56] struct WrapperStruct00 WrapperStruct00 = { 255.5, 16, 1000000000000000.6, 500.5, 99999999999.5, 1, 127.25, 4.8, 0.4, 0, 256, 25, -5, 2, -50 }; [L40-L56] struct WrapperStruct00 WrapperStruct00 = { 255.5, 16, 1000000000000000.6, 500.5, 99999999999.5, 1, 127.25, 4.8, 0.4, 0, 256, 25, -5, 2, -50 }; [L40-L56] struct WrapperStruct00 WrapperStruct00 = { 255.5, 16, 1000000000000000.6, 500.5, 99999999999.5, 1, 127.25, 4.8, 0.4, 0, 256, 25, -5, 2, -50 }; [L40-L56] struct WrapperStruct00 WrapperStruct00 = { 255.5, 16, 1000000000000000.6, 500.5, 99999999999.5, 1, 127.25, 4.8, 0.4, 0, 256, 25, -5, 2, -50 }; [L40-L56] struct WrapperStruct00 WrapperStruct00 = { 255.5, 16, 1000000000000000.6, 500.5, 99999999999.5, 1, 127.25, 4.8, 0.4, 0, 256, 25, -5, 2, -50 }; [L40-L56] struct WrapperStruct00 WrapperStruct00 = { 255.5, 16, 1000000000000000.6, 500.5, 99999999999.5, 1, 127.25, 4.8, 0.4, 0, 256, 25, -5, 2, -50 }; [L40-L56] struct WrapperStruct00 WrapperStruct00 = { 255.5, 16, 1000000000000000.6, 500.5, 99999999999.5, 1, 127.25, 4.8, 0.4, 0, 256, 25, -5, 2, -50 }; [L40-L56] struct WrapperStruct00 WrapperStruct00 = { 255.5, 16, 1000000000000000.6, 500.5, 99999999999.5, 1, 127.25, 4.8, 0.4, 0, 256, 25, -5, 2, -50 }; [L40-L56] struct WrapperStruct00 WrapperStruct00 = { 255.5, 16, 1000000000000000.6, 500.5, 99999999999.5, 1, 127.25, 4.8, 0.4, 0, 256, 25, -5, 2, -50 }; [L40-L56] struct WrapperStruct00 WrapperStruct00 = { 255.5, 16, 1000000000000000.6, 500.5, 99999999999.5, 1, 127.25, 4.8, 0.4, 0, 256, 25, -5, 2, -50 }; [L40-L56] struct WrapperStruct00 WrapperStruct00 = { 255.5, 16, 1000000000000000.6, 500.5, 99999999999.5, 1, 127.25, 4.8, 0.4, 0, 256, 25, -5, 2, -50 }; [L40-L56] struct WrapperStruct00 WrapperStruct00 = { 255.5, 16, 1000000000000000.6, 500.5, 99999999999.5, 1, 127.25, 4.8, 0.4, 0, 256, 25, -5, 2, -50 }; [L40-L56] struct WrapperStruct00 WrapperStruct00 = { 255.5, 16, 1000000000000000.6, 500.5, 99999999999.5, 1, 127.25, 4.8, 0.4, 0, 256, 25, -5, 2, -50 }; [L40-L56] struct WrapperStruct00 WrapperStruct00 = { 255.5, 16, 1000000000000000.6, 500.5, 99999999999.5, 1, 127.25, 4.8, 0.4, 0, 256, 25, -5, 2, -50 }; [L40-L56] struct WrapperStruct00 WrapperStruct00 = { 255.5, 16, 1000000000000000.6, 500.5, 99999999999.5, 1, 127.25, 4.8, 0.4, 0, 256, 25, -5, 2, -50 }; [L124] isInitial = 1 [L125] FCALL initially() [L126] COND TRUE 1 [L127] FCALL updateLastVariables() [L128] CALL updateVariables() [L85] WrapperStruct00.var_1_2 = __VERIFIER_nondet_uchar() [L86] EXPR WrapperStruct00.var_1_2 VAL [WrapperStruct00={4:0}, isInitial=1] [L86] CALL assume_abort_if_not(WrapperStruct00.var_1_2 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1] [L86] RET assume_abort_if_not(WrapperStruct00.var_1_2 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1] [L87] EXPR WrapperStruct00.var_1_2 VAL [WrapperStruct00={4:0}, isInitial=1] [L87] CALL assume_abort_if_not(WrapperStruct00.var_1_2 <= 127) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1] [L87] RET assume_abort_if_not(WrapperStruct00.var_1_2 <= 127) VAL [WrapperStruct00={4:0}, isInitial=1] [L88] WrapperStruct00.var_1_4 = __VERIFIER_nondet_float() [L89] EXPR WrapperStruct00.var_1_4 [L89] EXPR WrapperStruct00.var_1_4 >= 0.0F && WrapperStruct00.var_1_4 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1] [L89] EXPR WrapperStruct00.var_1_4 >= 0.0F && WrapperStruct00.var_1_4 <= -1.0e-20F [L89] EXPR WrapperStruct00.var_1_4 [L89] EXPR WrapperStruct00.var_1_4 >= 0.0F && WrapperStruct00.var_1_4 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1] [L89] EXPR (WrapperStruct00.var_1_4 >= 0.0F && WrapperStruct00.var_1_4 <= -1.0e-20F) || (WrapperStruct00.var_1_4 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_4 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1] [L89] EXPR (WrapperStruct00.var_1_4 >= 0.0F && WrapperStruct00.var_1_4 <= -1.0e-20F) || (WrapperStruct00.var_1_4 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_4 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1] [L89] CALL assume_abort_if_not((WrapperStruct00.var_1_4 >= 0.0F && WrapperStruct00.var_1_4 <= -1.0e-20F) || (WrapperStruct00.var_1_4 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_4 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1] [L89] RET assume_abort_if_not((WrapperStruct00.var_1_4 >= 0.0F && WrapperStruct00.var_1_4 <= -1.0e-20F) || (WrapperStruct00.var_1_4 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_4 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1] [L90] WrapperStruct00.var_1_5 = __VERIFIER_nondet_float() [L91] EXPR WrapperStruct00.var_1_5 [L91] EXPR WrapperStruct00.var_1_5 >= 0.0F && WrapperStruct00.var_1_5 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1] [L91] EXPR WrapperStruct00.var_1_5 >= 0.0F && WrapperStruct00.var_1_5 <= -1.0e-20F [L91] EXPR WrapperStruct00.var_1_5 [L91] EXPR WrapperStruct00.var_1_5 >= 0.0F && WrapperStruct00.var_1_5 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1] [L91] EXPR (WrapperStruct00.var_1_5 >= 0.0F && WrapperStruct00.var_1_5 <= -1.0e-20F) || (WrapperStruct00.var_1_5 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_5 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1] [L91] EXPR (WrapperStruct00.var_1_5 >= 0.0F && WrapperStruct00.var_1_5 <= -1.0e-20F) || (WrapperStruct00.var_1_5 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_5 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1] [L91] CALL assume_abort_if_not((WrapperStruct00.var_1_5 >= 0.0F && WrapperStruct00.var_1_5 <= -1.0e-20F) || (WrapperStruct00.var_1_5 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_5 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1] [L91] RET assume_abort_if_not((WrapperStruct00.var_1_5 >= 0.0F && WrapperStruct00.var_1_5 <= -1.0e-20F) || (WrapperStruct00.var_1_5 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_5 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1] [L92] WrapperStruct00.var_1_6 = __VERIFIER_nondet_float() [L93] EXPR WrapperStruct00.var_1_6 [L93] EXPR WrapperStruct00.var_1_6 >= 0.0F && WrapperStruct00.var_1_6 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1] [L93] EXPR WrapperStruct00.var_1_6 >= 0.0F && WrapperStruct00.var_1_6 <= -1.0e-20F [L93] EXPR WrapperStruct00.var_1_6 [L93] EXPR WrapperStruct00.var_1_6 >= 0.0F && WrapperStruct00.var_1_6 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1] [L93] EXPR (WrapperStruct00.var_1_6 >= 0.0F && WrapperStruct00.var_1_6 <= -1.0e-20F) || (WrapperStruct00.var_1_6 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_6 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1] [L93] EXPR (WrapperStruct00.var_1_6 >= 0.0F && WrapperStruct00.var_1_6 <= -1.0e-20F) || (WrapperStruct00.var_1_6 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_6 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1] [L93] CALL assume_abort_if_not((WrapperStruct00.var_1_6 >= 0.0F && WrapperStruct00.var_1_6 <= -1.0e-20F) || (WrapperStruct00.var_1_6 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_6 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1] [L93] RET assume_abort_if_not((WrapperStruct00.var_1_6 >= 0.0F && WrapperStruct00.var_1_6 <= -1.0e-20F) || (WrapperStruct00.var_1_6 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_6 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1] [L94] WrapperStruct00.var_1_7 = __VERIFIER_nondet_uchar() [L95] EXPR WrapperStruct00.var_1_7 VAL [WrapperStruct00={4:0}, isInitial=1] [L95] CALL assume_abort_if_not(WrapperStruct00.var_1_7 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1] [L95] RET assume_abort_if_not(WrapperStruct00.var_1_7 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1] [L96] EXPR WrapperStruct00.var_1_7 VAL [WrapperStruct00={4:0}, isInitial=1] [L96] CALL assume_abort_if_not(WrapperStruct00.var_1_7 <= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1] [L96] RET assume_abort_if_not(WrapperStruct00.var_1_7 <= 1) VAL [WrapperStruct00={4:0}, isInitial=1] [L97] WrapperStruct00.var_1_8 = __VERIFIER_nondet_float() [L98] EXPR WrapperStruct00.var_1_8 [L98] EXPR WrapperStruct00.var_1_8 >= -461168.6018427382800e+13F && WrapperStruct00.var_1_8 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1] [L98] EXPR WrapperStruct00.var_1_8 >= -461168.6018427382800e+13F && WrapperStruct00.var_1_8 <= -1.0e-20F [L98] EXPR WrapperStruct00.var_1_8 [L98] EXPR WrapperStruct00.var_1_8 >= -461168.6018427382800e+13F && WrapperStruct00.var_1_8 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1] [L98] EXPR (WrapperStruct00.var_1_8 >= -461168.6018427382800e+13F && WrapperStruct00.var_1_8 <= -1.0e-20F) || (WrapperStruct00.var_1_8 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_8 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1] [L98] EXPR (WrapperStruct00.var_1_8 >= -461168.6018427382800e+13F && WrapperStruct00.var_1_8 <= -1.0e-20F) || (WrapperStruct00.var_1_8 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_8 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1] [L98] CALL assume_abort_if_not((WrapperStruct00.var_1_8 >= -461168.6018427382800e+13F && WrapperStruct00.var_1_8 <= -1.0e-20F) || (WrapperStruct00.var_1_8 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_8 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1] [L98] RET assume_abort_if_not((WrapperStruct00.var_1_8 >= -461168.6018427382800e+13F && WrapperStruct00.var_1_8 <= -1.0e-20F) || (WrapperStruct00.var_1_8 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_8 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1] [L99] WrapperStruct00.var_1_9 = __VERIFIER_nondet_float() [L100] EXPR WrapperStruct00.var_1_9 [L100] EXPR WrapperStruct00.var_1_9 >= -461168.6018427382800e+13F && WrapperStruct00.var_1_9 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1] [L100] EXPR WrapperStruct00.var_1_9 >= -461168.6018427382800e+13F && WrapperStruct00.var_1_9 <= -1.0e-20F [L100] EXPR WrapperStruct00.var_1_9 [L100] EXPR WrapperStruct00.var_1_9 >= -461168.6018427382800e+13F && WrapperStruct00.var_1_9 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1] [L100] EXPR (WrapperStruct00.var_1_9 >= -461168.6018427382800e+13F && WrapperStruct00.var_1_9 <= -1.0e-20F) || (WrapperStruct00.var_1_9 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_9 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1] [L100] EXPR (WrapperStruct00.var_1_9 >= -461168.6018427382800e+13F && WrapperStruct00.var_1_9 <= -1.0e-20F) || (WrapperStruct00.var_1_9 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_9 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1] [L100] CALL assume_abort_if_not((WrapperStruct00.var_1_9 >= -461168.6018427382800e+13F && WrapperStruct00.var_1_9 <= -1.0e-20F) || (WrapperStruct00.var_1_9 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_9 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1] [L100] RET assume_abort_if_not((WrapperStruct00.var_1_9 >= -461168.6018427382800e+13F && WrapperStruct00.var_1_9 <= -1.0e-20F) || (WrapperStruct00.var_1_9 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_9 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1] [L101] WrapperStruct00.var_1_10 = __VERIFIER_nondet_float() [L102] EXPR WrapperStruct00.var_1_10 [L102] EXPR WrapperStruct00.var_1_10 >= -461168.6018427382800e+13F && WrapperStruct00.var_1_10 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1] [L102] EXPR WrapperStruct00.var_1_10 >= -461168.6018427382800e+13F && WrapperStruct00.var_1_10 <= -1.0e-20F [L102] EXPR WrapperStruct00.var_1_10 [L102] EXPR WrapperStruct00.var_1_10 >= -461168.6018427382800e+13F && WrapperStruct00.var_1_10 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1] [L102] EXPR (WrapperStruct00.var_1_10 >= -461168.6018427382800e+13F && WrapperStruct00.var_1_10 <= -1.0e-20F) || (WrapperStruct00.var_1_10 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_10 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1] [L102] EXPR (WrapperStruct00.var_1_10 >= -461168.6018427382800e+13F && WrapperStruct00.var_1_10 <= -1.0e-20F) || (WrapperStruct00.var_1_10 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_10 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1] [L102] CALL assume_abort_if_not((WrapperStruct00.var_1_10 >= -461168.6018427382800e+13F && WrapperStruct00.var_1_10 <= -1.0e-20F) || (WrapperStruct00.var_1_10 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_10 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1] [L102] RET assume_abort_if_not((WrapperStruct00.var_1_10 >= -461168.6018427382800e+13F && WrapperStruct00.var_1_10 <= -1.0e-20F) || (WrapperStruct00.var_1_10 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_10 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1] [L103] WrapperStruct00.var_1_12 = __VERIFIER_nondet_long() [L104] EXPR WrapperStruct00.var_1_12 VAL [WrapperStruct00={4:0}, isInitial=1] [L104] CALL assume_abort_if_not(WrapperStruct00.var_1_12 >= -1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1] [L104] RET assume_abort_if_not(WrapperStruct00.var_1_12 >= -1) VAL [WrapperStruct00={4:0}, isInitial=1] [L105] EXPR WrapperStruct00.var_1_12 VAL [WrapperStruct00={4:0}, isInitial=1] [L105] CALL assume_abort_if_not(WrapperStruct00.var_1_12 <= 2147483646) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1] [L105] RET assume_abort_if_not(WrapperStruct00.var_1_12 <= 2147483646) VAL [WrapperStruct00={4:0}, isInitial=1] [L106] WrapperStruct00.var_1_13 = __VERIFIER_nondet_long() [L107] EXPR WrapperStruct00.var_1_13 VAL [WrapperStruct00={4:0}, isInitial=1] [L107] CALL assume_abort_if_not(WrapperStruct00.var_1_13 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1] [L107] RET assume_abort_if_not(WrapperStruct00.var_1_13 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1] [L108] EXPR WrapperStruct00.var_1_13 VAL [WrapperStruct00={4:0}, isInitial=1] [L108] CALL assume_abort_if_not(WrapperStruct00.var_1_13 <= 2147483646) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1] [L108] RET assume_abort_if_not(WrapperStruct00.var_1_13 <= 2147483646) VAL [WrapperStruct00={4:0}, isInitial=1] [L109] WrapperStruct00.var_1_15 = __VERIFIER_nondet_short() [L110] EXPR WrapperStruct00.var_1_15 VAL [WrapperStruct00={4:0}, isInitial=1] [L110] CALL assume_abort_if_not(WrapperStruct00.var_1_15 >= -32768) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1] [L110] RET assume_abort_if_not(WrapperStruct00.var_1_15 >= -32768) VAL [WrapperStruct00={4:0}, isInitial=1] [L111] EXPR WrapperStruct00.var_1_15 VAL [WrapperStruct00={4:0}, isInitial=1] [L111] CALL assume_abort_if_not(WrapperStruct00.var_1_15 <= 32767) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1] [L111] RET assume_abort_if_not(WrapperStruct00.var_1_15 <= 32767) VAL [WrapperStruct00={4:0}, isInitial=1] [L112] EXPR WrapperStruct00.var_1_15 VAL [WrapperStruct00={4:0}, isInitial=1] [L112] CALL assume_abort_if_not(WrapperStruct00.var_1_15 != 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1] [L112] RET assume_abort_if_not(WrapperStruct00.var_1_15 != 0) VAL [WrapperStruct00={4:0}, isInitial=1] [L113] WrapperStruct00.var_1_16 = __VERIFIER_nondet_long() [L114] EXPR WrapperStruct00.var_1_16 VAL [WrapperStruct00={4:0}, isInitial=1] [L114] CALL assume_abort_if_not(WrapperStruct00.var_1_16 >= -1073741823) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1] [L114] RET assume_abort_if_not(WrapperStruct00.var_1_16 >= -1073741823) VAL [WrapperStruct00={4:0}, isInitial=1] [L115] EXPR WrapperStruct00.var_1_16 VAL [WrapperStruct00={4:0}, isInitial=1] [L115] CALL assume_abort_if_not(WrapperStruct00.var_1_16 <= 1073741823) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1] [L115] RET assume_abort_if_not(WrapperStruct00.var_1_16 <= 1073741823) VAL [WrapperStruct00={4:0}, isInitial=1] [L128] RET updateVariables() [L129] CALL step() [L60] signed long int stepLocal_0 = (((8) < 0 ) ? -(8) : (8)); [L61] EXPR WrapperStruct00.var_1_2 VAL [WrapperStruct00={4:0}, isInitial=1] [L61] COND TRUE (((((200) < (128)) ? (200) : (128))) - WrapperStruct00.var_1_2) > stepLocal_0 [L62] EXPR WrapperStruct00.var_1_4 [L62] EXPR WrapperStruct00.var_1_5 VAL [WrapperStruct00={4:0}, isInitial=1] [L62] EXPR ((WrapperStruct00.var_1_4) < (WrapperStruct00.var_1_5)) ? (WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_5) [L62] EXPR WrapperStruct00.var_1_4 [L62] EXPR ((WrapperStruct00.var_1_4) < (WrapperStruct00.var_1_5)) ? (WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_5) VAL [WrapperStruct00={4:0}, isInitial=1, stepLocal_0=8] [L62] EXPR WrapperStruct00.var_1_6 [L62] WrapperStruct00.var_1_1 = (((((WrapperStruct00.var_1_4) < (WrapperStruct00.var_1_5)) ? (WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_5))) - WrapperStruct00.var_1_6) [L68] EXPR WrapperStruct00.var_1_5 [L68] EXPR WrapperStruct00.var_1_6 [L68] EXPR WrapperStruct00.var_1_1 VAL [WrapperStruct00={4:0}, isInitial=1] [L68] COND FALSE !((WrapperStruct00.var_1_5 + WrapperStruct00.var_1_6) == WrapperStruct00.var_1_1) [L71] EXPR WrapperStruct00.var_1_13 [L71] WrapperStruct00.var_1_11 = WrapperStruct00.var_1_13 [L73] EXPR WrapperStruct00.var_1_12 [L73] EXPR WrapperStruct00.var_1_15 [L73] signed long int stepLocal_1 = WrapperStruct00.var_1_12 % WrapperStruct00.var_1_15; [L74] EXPR WrapperStruct00.var_1_9 [L74] EXPR WrapperStruct00.var_1_4 VAL [WrapperStruct00={4:0}, isInitial=1] [L74] COND TRUE WrapperStruct00.var_1_9 == WrapperStruct00.var_1_4 [L75] EXPR WrapperStruct00.var_1_13 [L75] WrapperStruct00.var_1_14 = WrapperStruct00.var_1_13 [L129] RET step() [L130] CALL, EXPR property() [L120] EXPR WrapperStruct00.var_1_2 VAL [WrapperStruct00={4:0}, isInitial=1] [L120] EXPR ((((((200) < (128)) ? (200) : (128))) - WrapperStruct00.var_1_2) > ((((8) < 0 ) ? -(8) : (8)))) ? (WrapperStruct00.var_1_1 == ((float) (((((WrapperStruct00.var_1_4) < (WrapperStruct00.var_1_5)) ? (WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_5))) - WrapperStruct00.var_1_6))) : (WrapperStruct00.var_1_7 ? (WrapperStruct00.var_1_1 == ((float) (((((WrapperStruct00.var_1_8) < (WrapperStruct00.var_1_9)) ? (WrapperStruct00.var_1_8) : (WrapperStruct00.var_1_9))) + WrapperStruct00.var_1_10))) : 1) [L120] EXPR WrapperStruct00.var_1_1 [L120] EXPR WrapperStruct00.var_1_4 [L120] EXPR WrapperStruct00.var_1_5 VAL [WrapperStruct00={4:0}, isInitial=1] [L120] EXPR ((WrapperStruct00.var_1_4) < (WrapperStruct00.var_1_5)) ? (WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_5) [L120] EXPR WrapperStruct00.var_1_4 [L120] EXPR ((WrapperStruct00.var_1_4) < (WrapperStruct00.var_1_5)) ? (WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_5) VAL [WrapperStruct00={4:0}, isInitial=1] [L120] EXPR WrapperStruct00.var_1_6 [L120] EXPR ((((((200) < (128)) ? (200) : (128))) - WrapperStruct00.var_1_2) > ((((8) < 0 ) ? -(8) : (8)))) ? (WrapperStruct00.var_1_1 == ((float) (((((WrapperStruct00.var_1_4) < (WrapperStruct00.var_1_5)) ? (WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_5))) - WrapperStruct00.var_1_6))) : (WrapperStruct00.var_1_7 ? (WrapperStruct00.var_1_1 == ((float) (((((WrapperStruct00.var_1_8) < (WrapperStruct00.var_1_9)) ? (WrapperStruct00.var_1_8) : (WrapperStruct00.var_1_9))) + WrapperStruct00.var_1_10))) : 1) VAL [WrapperStruct00={4:0}, isInitial=1] [L120] EXPR (((((((200) < (128)) ? (200) : (128))) - WrapperStruct00.var_1_2) > ((((8) < 0 ) ? -(8) : (8)))) ? (WrapperStruct00.var_1_1 == ((float) (((((WrapperStruct00.var_1_4) < (WrapperStruct00.var_1_5)) ? (WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_5))) - WrapperStruct00.var_1_6))) : (WrapperStruct00.var_1_7 ? (WrapperStruct00.var_1_1 == ((float) (((((WrapperStruct00.var_1_8) < (WrapperStruct00.var_1_9)) ? (WrapperStruct00.var_1_8) : (WrapperStruct00.var_1_9))) + WrapperStruct00.var_1_10))) : 1)) && (((WrapperStruct00.var_1_5 + WrapperStruct00.var_1_6) == WrapperStruct00.var_1_1) ? (WrapperStruct00.var_1_11 == ((signed long int) (((((WrapperStruct00.var_1_2) < (WrapperStruct00.var_1_12)) ? (WrapperStruct00.var_1_2) : (WrapperStruct00.var_1_12))) - WrapperStruct00.var_1_13))) : (WrapperStruct00.var_1_11 == ((signed long int) WrapperStruct00.var_1_13))) VAL [WrapperStruct00={4:0}, isInitial=1] [L120] EXPR (((((((200) < (128)) ? (200) : (128))) - WrapperStruct00.var_1_2) > ((((8) < 0 ) ? -(8) : (8)))) ? (WrapperStruct00.var_1_1 == ((float) (((((WrapperStruct00.var_1_4) < (WrapperStruct00.var_1_5)) ? (WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_5))) - WrapperStruct00.var_1_6))) : (WrapperStruct00.var_1_7 ? (WrapperStruct00.var_1_1 == ((float) (((((WrapperStruct00.var_1_8) < (WrapperStruct00.var_1_9)) ? (WrapperStruct00.var_1_8) : (WrapperStruct00.var_1_9))) + WrapperStruct00.var_1_10))) : 1)) && (((WrapperStruct00.var_1_5 + WrapperStruct00.var_1_6) == WrapperStruct00.var_1_1) ? (WrapperStruct00.var_1_11 == ((signed long int) (((((WrapperStruct00.var_1_2) < (WrapperStruct00.var_1_12)) ? (WrapperStruct00.var_1_2) : (WrapperStruct00.var_1_12))) - WrapperStruct00.var_1_13))) : (WrapperStruct00.var_1_11 == ((signed long int) WrapperStruct00.var_1_13))) VAL [WrapperStruct00={4:0}, isInitial=1] [L120] EXPR ((((((((200) < (128)) ? (200) : (128))) - WrapperStruct00.var_1_2) > ((((8) < 0 ) ? -(8) : (8)))) ? (WrapperStruct00.var_1_1 == ((float) (((((WrapperStruct00.var_1_4) < (WrapperStruct00.var_1_5)) ? (WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_5))) - WrapperStruct00.var_1_6))) : (WrapperStruct00.var_1_7 ? (WrapperStruct00.var_1_1 == ((float) (((((WrapperStruct00.var_1_8) < (WrapperStruct00.var_1_9)) ? (WrapperStruct00.var_1_8) : (WrapperStruct00.var_1_9))) + WrapperStruct00.var_1_10))) : 1)) && (((WrapperStruct00.var_1_5 + WrapperStruct00.var_1_6) == WrapperStruct00.var_1_1) ? (WrapperStruct00.var_1_11 == ((signed long int) (((((WrapperStruct00.var_1_2) < (WrapperStruct00.var_1_12)) ? (WrapperStruct00.var_1_2) : (WrapperStruct00.var_1_12))) - WrapperStruct00.var_1_13))) : (WrapperStruct00.var_1_11 == ((signed long int) WrapperStruct00.var_1_13)))) && ((WrapperStruct00.var_1_9 == WrapperStruct00.var_1_4) ? (WrapperStruct00.var_1_14 == ((signed long int) WrapperStruct00.var_1_13)) : (((WrapperStruct00.var_1_12 % WrapperStruct00.var_1_15) != WrapperStruct00.var_1_13) ? (WrapperStruct00.var_1_14 == ((signed long int) ((((((WrapperStruct00.var_1_15 + WrapperStruct00.var_1_2) + WrapperStruct00.var_1_16)) > (WrapperStruct00.var_1_13)) ? (((WrapperStruct00.var_1_15 + WrapperStruct00.var_1_2) + WrapperStruct00.var_1_16)) : (WrapperStruct00.var_1_13))))) : (WrapperStruct00.var_1_14 == ((signed long int) WrapperStruct00.var_1_16)))) VAL [WrapperStruct00={4:0}, isInitial=1] [L120] EXPR ((((((((200) < (128)) ? (200) : (128))) - WrapperStruct00.var_1_2) > ((((8) < 0 ) ? -(8) : (8)))) ? (WrapperStruct00.var_1_1 == ((float) (((((WrapperStruct00.var_1_4) < (WrapperStruct00.var_1_5)) ? (WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_5))) - WrapperStruct00.var_1_6))) : (WrapperStruct00.var_1_7 ? (WrapperStruct00.var_1_1 == ((float) (((((WrapperStruct00.var_1_8) < (WrapperStruct00.var_1_9)) ? (WrapperStruct00.var_1_8) : (WrapperStruct00.var_1_9))) + WrapperStruct00.var_1_10))) : 1)) && (((WrapperStruct00.var_1_5 + WrapperStruct00.var_1_6) == WrapperStruct00.var_1_1) ? (WrapperStruct00.var_1_11 == ((signed long int) (((((WrapperStruct00.var_1_2) < (WrapperStruct00.var_1_12)) ? (WrapperStruct00.var_1_2) : (WrapperStruct00.var_1_12))) - WrapperStruct00.var_1_13))) : (WrapperStruct00.var_1_11 == ((signed long int) WrapperStruct00.var_1_13)))) && ((WrapperStruct00.var_1_9 == WrapperStruct00.var_1_4) ? (WrapperStruct00.var_1_14 == ((signed long int) WrapperStruct00.var_1_13)) : (((WrapperStruct00.var_1_12 % WrapperStruct00.var_1_15) != WrapperStruct00.var_1_13) ? (WrapperStruct00.var_1_14 == ((signed long int) ((((((WrapperStruct00.var_1_15 + WrapperStruct00.var_1_2) + WrapperStruct00.var_1_16)) > (WrapperStruct00.var_1_13)) ? (((WrapperStruct00.var_1_15 + WrapperStruct00.var_1_2) + WrapperStruct00.var_1_16)) : (WrapperStruct00.var_1_13))))) : (WrapperStruct00.var_1_14 == ((signed long int) WrapperStruct00.var_1_16)))) VAL [WrapperStruct00={4:0}, isInitial=1] [L120-L121] return ((((((((200) < (128)) ? (200) : (128))) - WrapperStruct00.var_1_2) > ((((8) < 0 ) ? -(8) : (8)))) ? (WrapperStruct00.var_1_1 == ((float) (((((WrapperStruct00.var_1_4) < (WrapperStruct00.var_1_5)) ? (WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_5))) - WrapperStruct00.var_1_6))) : (WrapperStruct00.var_1_7 ? (WrapperStruct00.var_1_1 == ((float) (((((WrapperStruct00.var_1_8) < (WrapperStruct00.var_1_9)) ? (WrapperStruct00.var_1_8) : (WrapperStruct00.var_1_9))) + WrapperStruct00.var_1_10))) : 1)) && (((WrapperStruct00.var_1_5 + WrapperStruct00.var_1_6) == WrapperStruct00.var_1_1) ? (WrapperStruct00.var_1_11 == ((signed long int) (((((WrapperStruct00.var_1_2) < (WrapperStruct00.var_1_12)) ? (WrapperStruct00.var_1_2) : (WrapperStruct00.var_1_12))) - WrapperStruct00.var_1_13))) : (WrapperStruct00.var_1_11 == ((signed long int) WrapperStruct00.var_1_13)))) && ((WrapperStruct00.var_1_9 == WrapperStruct00.var_1_4) ? (WrapperStruct00.var_1_14 == ((signed long int) WrapperStruct00.var_1_13)) : (((WrapperStruct00.var_1_12 % WrapperStruct00.var_1_15) != WrapperStruct00.var_1_13) ? (WrapperStruct00.var_1_14 == ((signed long int) ((((((WrapperStruct00.var_1_15 + WrapperStruct00.var_1_2) + WrapperStruct00.var_1_16)) > (WrapperStruct00.var_1_13)) ? (((WrapperStruct00.var_1_15 + WrapperStruct00.var_1_2) + WrapperStruct00.var_1_16)) : (WrapperStruct00.var_1_13))))) : (WrapperStruct00.var_1_14 == ((signed long int) WrapperStruct00.var_1_16)))) ; [L130] RET, EXPR property() [L130] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [WrapperStruct00={4:0}, \old(cond)=0, cond=0, isInitial=1] [L19] reach_error() VAL [WrapperStruct00={4:0}, \old(cond)=0, cond=0, isInitial=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 118 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.8s, OverallIterations: 5, TraceHistogramMax: 19, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 162 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 161 mSDsluCounter, 1780 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1139 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 316 IncrementalHoareTripleChecker+Invalid, 323 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 641 mSDtfsCounter, 316 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 604 GetRequests, 592 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=132occurred in iteration=4, InterpolantAutomatonStates: 19, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 56 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 1058 NumberOfCodeBlocks, 1058 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 600 ConstructedInterpolants, 0 QuantifiedInterpolants, 682 SizeOfPredicates, 7 NumberOfNonLiveVariables, 1901 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 2736/2736 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-29 04:53:27,860 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e236eeec-c34a-4169-aa0d-a6b9e0c3d514/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e236eeec-c34a-4169-aa0d-a6b9e0c3d514/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e236eeec-c34a-4169-aa0d-a6b9e0c3d514/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e236eeec-c34a-4169-aa0d-a6b9e0c3d514/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e236eeec-c34a-4169-aa0d-a6b9e0c3d514/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-99.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e236eeec-c34a-4169-aa0d-a6b9e0c3d514/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e236eeec-c34a-4169-aa0d-a6b9e0c3d514/bin/uautomizer-verify-BQ2R08f2Ya --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 0987a1fc3d0eb59d453fd697f85e5129ed09f2056b05af2093f19278b7a9eac6 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 04:53:29,826 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 04:53:29,904 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e236eeec-c34a-4169-aa0d-a6b9e0c3d514/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-29 04:53:29,910 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 04:53:29,911 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 04:53:29,940 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 04:53:29,941 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 04:53:29,942 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 04:53:29,942 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 04:53:29,943 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 04:53:29,944 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 04:53:29,944 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 04:53:29,945 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 04:53:29,946 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 04:53:29,946 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 04:53:29,947 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 04:53:29,947 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 04:53:29,948 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 04:53:29,948 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 04:53:29,949 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 04:53:29,949 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 04:53:29,950 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 04:53:29,950 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 04:53:29,950 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-29 04:53:29,951 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-29 04:53:29,951 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-29 04:53:29,951 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 04:53:29,952 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 04:53:29,952 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 04:53:29,953 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 04:53:29,953 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 04:53:29,953 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 04:53:29,954 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 04:53:29,954 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 04:53:29,954 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 04:53:29,955 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 04:53:29,955 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 04:53:29,955 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-29 04:53:29,955 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-29 04:53:29,956 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 04:53:29,956 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 04:53:29,956 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 04:53:29,956 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 04:53:29,956 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 04:53:29,957 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-29 04:53:29,957 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e236eeec-c34a-4169-aa0d-a6b9e0c3d514/bin/uautomizer-verify-BQ2R08f2Ya/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e236eeec-c34a-4169-aa0d-a6b9e0c3d514/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0987a1fc3d0eb59d453fd697f85e5129ed09f2056b05af2093f19278b7a9eac6 [2023-11-29 04:53:30,275 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 04:53:30,298 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 04:53:30,301 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 04:53:30,302 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 04:53:30,303 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 04:53:30,305 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e236eeec-c34a-4169-aa0d-a6b9e0c3d514/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-99.i [2023-11-29 04:53:33,151 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 04:53:33,362 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 04:53:33,363 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e236eeec-c34a-4169-aa0d-a6b9e0c3d514/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-99.i [2023-11-29 04:53:33,373 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e236eeec-c34a-4169-aa0d-a6b9e0c3d514/bin/uautomizer-verify-BQ2R08f2Ya/data/f8b2d039c/fa39eb7ae18748389069b554bfdf1acb/FLAG26d553b0e [2023-11-29 04:53:33,388 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e236eeec-c34a-4169-aa0d-a6b9e0c3d514/bin/uautomizer-verify-BQ2R08f2Ya/data/f8b2d039c/fa39eb7ae18748389069b554bfdf1acb [2023-11-29 04:53:33,391 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 04:53:33,393 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 04:53:33,394 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 04:53:33,395 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 04:53:33,400 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 04:53:33,401 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 04:53:33" (1/1) ... [2023-11-29 04:53:33,402 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ca2f181 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:53:33, skipping insertion in model container [2023-11-29 04:53:33,402 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 04:53:33" (1/1) ... [2023-11-29 04:53:33,434 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 04:53:33,590 WARN L240 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_e236eeec-c34a-4169-aa0d-a6b9e0c3d514/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-99.i[916,929] [2023-11-29 04:53:33,649 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 04:53:33,664 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 04:53:33,676 WARN L240 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_e236eeec-c34a-4169-aa0d-a6b9e0c3d514/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-99.i[916,929] [2023-11-29 04:53:33,725 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 04:53:33,750 INFO L206 MainTranslator]: Completed translation [2023-11-29 04:53:33,750 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:53:33 WrapperNode [2023-11-29 04:53:33,750 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 04:53:33,752 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 04:53:33,752 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 04:53:33,752 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 04:53:33,760 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:53:33" (1/1) ... [2023-11-29 04:53:33,781 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:53:33" (1/1) ... [2023-11-29 04:53:33,859 INFO L138 Inliner]: procedures = 36, calls = 183, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 492 [2023-11-29 04:53:33,859 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 04:53:33,860 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 04:53:33,860 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 04:53:33,860 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 04:53:33,871 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:53:33" (1/1) ... [2023-11-29 04:53:33,872 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:53:33" (1/1) ... [2023-11-29 04:53:33,882 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:53:33" (1/1) ... [2023-11-29 04:53:33,904 INFO L175 MemorySlicer]: Split 152 memory accesses to 2 slices as follows [2, 150]. 99 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 15]. The 19 writes are split as follows [0, 19]. [2023-11-29 04:53:33,904 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:53:33" (1/1) ... [2023-11-29 04:53:33,905 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:53:33" (1/1) ... [2023-11-29 04:53:33,933 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:53:33" (1/1) ... [2023-11-29 04:53:33,938 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:53:33" (1/1) ... [2023-11-29 04:53:33,943 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:53:33" (1/1) ... [2023-11-29 04:53:33,947 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:53:33" (1/1) ... [2023-11-29 04:53:33,955 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 04:53:33,956 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 04:53:33,956 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 04:53:33,956 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 04:53:33,957 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:53:33" (1/1) ... [2023-11-29 04:53:33,962 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 04:53:33,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e236eeec-c34a-4169-aa0d-a6b9e0c3d514/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:53:33,996 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e236eeec-c34a-4169-aa0d-a6b9e0c3d514/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 04:53:34,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e236eeec-c34a-4169-aa0d-a6b9e0c3d514/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 04:53:34,044 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 04:53:34,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2023-11-29 04:53:34,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2023-11-29 04:53:34,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#0 [2023-11-29 04:53:34,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#1 [2023-11-29 04:53:34,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-29 04:53:34,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2023-11-29 04:53:34,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2023-11-29 04:53:34,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2023-11-29 04:53:34,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2023-11-29 04:53:34,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2023-11-29 04:53:34,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2023-11-29 04:53:34,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2023-11-29 04:53:34,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#0 [2023-11-29 04:53:34,047 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#1 [2023-11-29 04:53:34,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2023-11-29 04:53:34,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2023-11-29 04:53:34,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0 [2023-11-29 04:53:34,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1 [2023-11-29 04:53:34,048 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 04:53:34,048 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 04:53:34,048 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 04:53:34,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 04:53:34,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2023-11-29 04:53:34,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2023-11-29 04:53:34,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#0 [2023-11-29 04:53:34,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#1 [2023-11-29 04:53:34,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2023-11-29 04:53:34,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2023-11-29 04:53:34,195 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 04:53:34,197 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 04:53:35,594 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 04:53:35,636 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 04:53:35,636 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 04:53:35,636 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:53:35 BoogieIcfgContainer [2023-11-29 04:53:35,637 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 04:53:35,639 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 04:53:35,639 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 04:53:35,643 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 04:53:35,643 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 04:53:33" (1/3) ... [2023-11-29 04:53:35,643 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cb79ecd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 04:53:35, skipping insertion in model container [2023-11-29 04:53:35,644 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:53:33" (2/3) ... [2023-11-29 04:53:35,644 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cb79ecd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 04:53:35, skipping insertion in model container [2023-11-29 04:53:35,644 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:53:35" (3/3) ... [2023-11-29 04:53:35,646 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-99.i [2023-11-29 04:53:35,665 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 04:53:35,665 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 04:53:35,739 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 04:53:35,746 INFO L357 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, mHoare=true, 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;@4ff81f3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 04:53:35,746 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 04:53:35,751 INFO L276 IsEmpty]: Start isEmpty. Operand has 118 states, 96 states have (on average 1.4479166666666667) internal successors, (139), 97 states have internal predecessors, (139), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-29 04:53:35,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2023-11-29 04:53:35,768 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:53:35,769 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:53:35,770 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:53:35,775 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:53:35,775 INFO L85 PathProgramCache]: Analyzing trace with hash 1120908895, now seen corresponding path program 1 times [2023-11-29 04:53:35,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:53:35,790 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [675533953] [2023-11-29 04:53:35,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:53:35,790 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 [2023-11-29 04:53:35,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e236eeec-c34a-4169-aa0d-a6b9e0c3d514/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:53:35,793 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e236eeec-c34a-4169-aa0d-a6b9e0c3d514/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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) [2023-11-29 04:53:35,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e236eeec-c34a-4169-aa0d-a6b9e0c3d514/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 [2023-11-29 04:53:36,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:53:36,266 INFO L262 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-29 04:53:36,275 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:53:36,317 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 580 trivial. 0 not checked. [2023-11-29 04:53:36,317 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:53:36,318 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:53:36,318 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [675533953] [2023-11-29 04:53:36,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [675533953] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:53:36,319 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:53:36,320 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:53:36,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [426253489] [2023-11-29 04:53:36,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:53:36,326 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 04:53:36,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:53:36,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 04:53:36,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 04:53:36,356 INFO L87 Difference]: Start difference. First operand has 118 states, 96 states have (on average 1.4479166666666667) internal successors, (139), 97 states have internal predecessors, (139), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-29 04:53:36,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:53:36,421 INFO L93 Difference]: Finished difference Result 233 states and 371 transitions. [2023-11-29 04:53:36,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 04:53:36,424 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 151 [2023-11-29 04:53:36,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:53:36,433 INFO L225 Difference]: With dead ends: 233 [2023-11-29 04:53:36,433 INFO L226 Difference]: Without dead ends: 116 [2023-11-29 04:53:36,437 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 04:53:36,441 INFO L413 NwaCegarLoop]: 168 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 168 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 04:53:36,442 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 168 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 04:53:36,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2023-11-29 04:53:36,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2023-11-29 04:53:36,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 95 states have (on average 1.4105263157894736) internal successors, (134), 95 states have internal predecessors, (134), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-29 04:53:36,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 172 transitions. [2023-11-29 04:53:36,499 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 172 transitions. Word has length 151 [2023-11-29 04:53:36,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:53:36,499 INFO L495 AbstractCegarLoop]: Abstraction has 116 states and 172 transitions. [2023-11-29 04:53:36,500 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-29 04:53:36,500 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 172 transitions. [2023-11-29 04:53:36,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2023-11-29 04:53:36,505 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:53:36,505 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:53:36,519 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e236eeec-c34a-4169-aa0d-a6b9e0c3d514/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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)] Forceful destruction successful, exit code 0 [2023-11-29 04:53:36,710 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e236eeec-c34a-4169-aa0d-a6b9e0c3d514/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:53:36,711 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:53:36,711 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:53:36,711 INFO L85 PathProgramCache]: Analyzing trace with hash 824154545, now seen corresponding path program 1 times [2023-11-29 04:53:36,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:53:36,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [593855251] [2023-11-29 04:53:36,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:53:36,713 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 [2023-11-29 04:53:36,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e236eeec-c34a-4169-aa0d-a6b9e0c3d514/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:53:36,715 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e236eeec-c34a-4169-aa0d-a6b9e0c3d514/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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) [2023-11-29 04:53:36,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e236eeec-c34a-4169-aa0d-a6b9e0c3d514/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 [2023-11-29 04:53:37,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:53:37,149 INFO L262 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 04:53:37,157 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:53:37,205 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 548 trivial. 0 not checked. [2023-11-29 04:53:37,206 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:53:37,206 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:53:37,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [593855251] [2023-11-29 04:53:37,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [593855251] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:53:37,207 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:53:37,207 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 04:53:37,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14104300] [2023-11-29 04:53:37,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:53:37,209 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 04:53:37,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:53:37,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 04:53:37,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 04:53:37,211 INFO L87 Difference]: Start difference. First operand 116 states and 172 transitions. Second operand has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-29 04:53:37,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:53:37,306 INFO L93 Difference]: Finished difference Result 237 states and 352 transitions. [2023-11-29 04:53:37,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 04:53:37,307 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 151 [2023-11-29 04:53:37,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:53:37,309 INFO L225 Difference]: With dead ends: 237 [2023-11-29 04:53:37,309 INFO L226 Difference]: Without dead ends: 122 [2023-11-29 04:53:37,310 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 04:53:37,312 INFO L413 NwaCegarLoop]: 167 mSDtfsCounter, 10 mSDsluCounter, 326 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 493 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 04:53:37,313 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 493 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 04:53:37,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2023-11-29 04:53:37,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 118. [2023-11-29 04:53:37,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 97 states have (on average 1.402061855670103) internal successors, (136), 97 states have internal predecessors, (136), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-29 04:53:37,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 174 transitions. [2023-11-29 04:53:37,329 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 174 transitions. Word has length 151 [2023-11-29 04:53:37,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:53:37,329 INFO L495 AbstractCegarLoop]: Abstraction has 118 states and 174 transitions. [2023-11-29 04:53:37,330 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-29 04:53:37,330 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 174 transitions. [2023-11-29 04:53:37,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2023-11-29 04:53:37,332 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:53:37,333 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:53:37,342 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e236eeec-c34a-4169-aa0d-a6b9e0c3d514/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2023-11-29 04:53:37,533 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e236eeec-c34a-4169-aa0d-a6b9e0c3d514/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:53:37,533 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:53:37,534 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:53:37,534 INFO L85 PathProgramCache]: Analyzing trace with hash 754506671, now seen corresponding path program 1 times [2023-11-29 04:53:37,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:53:37,535 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1465044203] [2023-11-29 04:53:37,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:53:37,536 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 [2023-11-29 04:53:37,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e236eeec-c34a-4169-aa0d-a6b9e0c3d514/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:53:37,537 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e236eeec-c34a-4169-aa0d-a6b9e0c3d514/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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) [2023-11-29 04:53:37,537 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e236eeec-c34a-4169-aa0d-a6b9e0c3d514/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 [2023-11-29 04:53:37,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:53:37,974 INFO L262 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-29 04:53:37,979 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:53:38,110 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 41 [2023-11-29 04:53:38,161 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 548 trivial. 0 not checked. [2023-11-29 04:53:38,161 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:53:38,162 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:53:38,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1465044203] [2023-11-29 04:53:38,162 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1465044203] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:53:38,163 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:53:38,163 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 04:53:38,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147785171] [2023-11-29 04:53:38,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:53:38,164 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 04:53:38,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:53:38,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 04:53:38,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-29 04:53:38,166 INFO L87 Difference]: Start difference. First operand 118 states and 174 transitions. Second operand has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 5 states have internal predecessors, (62), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-29 04:53:39,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:53:39,523 INFO L93 Difference]: Finished difference Result 239 states and 353 transitions. [2023-11-29 04:53:39,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 04:53:39,524 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 5 states have internal predecessors, (62), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 151 [2023-11-29 04:53:39,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:53:39,526 INFO L225 Difference]: With dead ends: 239 [2023-11-29 04:53:39,526 INFO L226 Difference]: Without dead ends: 122 [2023-11-29 04:53:39,527 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2023-11-29 04:53:39,528 INFO L413 NwaCegarLoop]: 135 mSDtfsCounter, 186 mSDsluCounter, 308 mSDsCounter, 0 mSdLazyCounter, 233 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 186 SdHoareTripleChecker+Valid, 443 SdHoareTripleChecker+Invalid, 238 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 233 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-11-29 04:53:39,529 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [186 Valid, 443 Invalid, 238 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 233 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-11-29 04:53:39,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2023-11-29 04:53:39,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 116. [2023-11-29 04:53:39,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 95 states have (on average 1.4) internal successors, (133), 95 states have internal predecessors, (133), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-29 04:53:39,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 171 transitions. [2023-11-29 04:53:39,542 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 171 transitions. Word has length 151 [2023-11-29 04:53:39,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:53:39,543 INFO L495 AbstractCegarLoop]: Abstraction has 116 states and 171 transitions. [2023-11-29 04:53:39,543 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 5 states have internal predecessors, (62), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-29 04:53:39,543 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 171 transitions. [2023-11-29 04:53:39,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-11-29 04:53:39,546 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:53:39,547 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:53:39,557 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e236eeec-c34a-4169-aa0d-a6b9e0c3d514/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 [2023-11-29 04:53:39,747 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e236eeec-c34a-4169-aa0d-a6b9e0c3d514/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:53:39,747 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:53:39,748 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:53:39,748 INFO L85 PathProgramCache]: Analyzing trace with hash -1103960521, now seen corresponding path program 1 times [2023-11-29 04:53:39,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:53:39,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [508617174] [2023-11-29 04:53:39,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:53:39,749 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 [2023-11-29 04:53:39,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e236eeec-c34a-4169-aa0d-a6b9e0c3d514/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:53:39,750 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e236eeec-c34a-4169-aa0d-a6b9e0c3d514/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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) [2023-11-29 04:53:39,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e236eeec-c34a-4169-aa0d-a6b9e0c3d514/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 [2023-11-29 04:53:40,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:53:40,159 INFO L262 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-29 04:53:40,165 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:53:40,319 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 94 treesize of output 40 [2023-11-29 04:53:40,399 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 192 proven. 8 refuted. 0 times theorem prover too weak. 484 trivial. 0 not checked. [2023-11-29 04:53:40,399 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 04:53:40,671 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 58 treesize of output 22 [2023-11-29 04:53:40,683 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 6 proven. 48 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2023-11-29 04:53:40,684 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:53:40,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [508617174] [2023-11-29 04:53:40,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [508617174] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 04:53:40,684 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 04:53:40,685 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 12 [2023-11-29 04:53:40,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746126031] [2023-11-29 04:53:40,685 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 04:53:40,686 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-29 04:53:40,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:53:40,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-29 04:53:40,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2023-11-29 04:53:40,689 INFO L87 Difference]: Start difference. First operand 116 states and 171 transitions. Second operand has 12 states, 11 states have (on average 7.2727272727272725) internal successors, (80), 12 states have internal predecessors, (80), 4 states have call successors, (37), 3 states have call predecessors, (37), 4 states have return successors, (37), 3 states have call predecessors, (37), 4 states have call successors, (37) [2023-11-29 04:53:42,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:53:42,622 INFO L93 Difference]: Finished difference Result 244 states and 356 transitions. [2023-11-29 04:53:42,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 04:53:42,624 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.2727272727272725) internal successors, (80), 12 states have internal predecessors, (80), 4 states have call successors, (37), 3 states have call predecessors, (37), 4 states have return successors, (37), 3 states have call predecessors, (37), 4 states have call successors, (37) Word has length 153 [2023-11-29 04:53:42,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:53:42,625 INFO L225 Difference]: With dead ends: 244 [2023-11-29 04:53:42,625 INFO L226 Difference]: Without dead ends: 118 [2023-11-29 04:53:42,626 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 315 GetRequests, 295 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=109, Invalid=353, Unknown=0, NotChecked=0, Total=462 [2023-11-29 04:53:42,627 INFO L413 NwaCegarLoop]: 116 mSDtfsCounter, 171 mSDsluCounter, 555 mSDsCounter, 0 mSdLazyCounter, 522 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 188 SdHoareTripleChecker+Valid, 671 SdHoareTripleChecker+Invalid, 532 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 522 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-11-29 04:53:42,627 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [188 Valid, 671 Invalid, 532 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 522 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-11-29 04:53:42,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2023-11-29 04:53:42,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 116. [2023-11-29 04:53:42,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 95 states have (on average 1.3789473684210527) internal successors, (131), 95 states have internal predecessors, (131), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-29 04:53:42,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 169 transitions. [2023-11-29 04:53:42,643 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 169 transitions. Word has length 153 [2023-11-29 04:53:42,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:53:42,644 INFO L495 AbstractCegarLoop]: Abstraction has 116 states and 169 transitions. [2023-11-29 04:53:42,644 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.2727272727272725) internal successors, (80), 12 states have internal predecessors, (80), 4 states have call successors, (37), 3 states have call predecessors, (37), 4 states have return successors, (37), 3 states have call predecessors, (37), 4 states have call successors, (37) [2023-11-29 04:53:42,645 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 169 transitions. [2023-11-29 04:53:42,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-11-29 04:53:42,647 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:53:42,648 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:53:42,660 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e236eeec-c34a-4169-aa0d-a6b9e0c3d514/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 [2023-11-29 04:53:42,848 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e236eeec-c34a-4169-aa0d-a6b9e0c3d514/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:53:42,849 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:53:42,849 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:53:42,850 INFO L85 PathProgramCache]: Analyzing trace with hash 683909301, now seen corresponding path program 1 times [2023-11-29 04:53:42,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:53:42,850 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [617137780] [2023-11-29 04:53:42,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:53:42,851 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:53:42,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e236eeec-c34a-4169-aa0d-a6b9e0c3d514/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:53:42,852 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e236eeec-c34a-4169-aa0d-a6b9e0c3d514/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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) [2023-11-29 04:53:42,853 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e236eeec-c34a-4169-aa0d-a6b9e0c3d514/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 [2023-11-29 04:53:43,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:53:43,246 INFO L262 TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-29 04:53:43,251 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:53:43,343 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 95 treesize of output 41 [2023-11-29 04:53:43,370 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 192 proven. 0 refuted. 0 times theorem prover too weak. 492 trivial. 0 not checked. [2023-11-29 04:53:43,370 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:53:43,370 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:53:43,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [617137780] [2023-11-29 04:53:43,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [617137780] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:53:43,371 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:53:43,371 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 04:53:43,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630279648] [2023-11-29 04:53:43,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:53:43,372 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 04:53:43,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:53:43,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 04:53:43,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-29 04:53:43,373 INFO L87 Difference]: Start difference. First operand 116 states and 169 transitions. Second operand has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 5 states have internal predecessors, (64), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-29 04:53:44,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:53:44,773 INFO L93 Difference]: Finished difference Result 237 states and 346 transitions. [2023-11-29 04:53:44,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 04:53:44,773 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 5 states have internal predecessors, (64), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 153 [2023-11-29 04:53:44,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:53:44,775 INFO L225 Difference]: With dead ends: 237 [2023-11-29 04:53:44,775 INFO L226 Difference]: Without dead ends: 122 [2023-11-29 04:53:44,775 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2023-11-29 04:53:44,776 INFO L413 NwaCegarLoop]: 135 mSDtfsCounter, 161 mSDsluCounter, 301 mSDsCounter, 0 mSdLazyCounter, 238 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 436 SdHoareTripleChecker+Invalid, 242 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 238 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-11-29 04:53:44,776 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [161 Valid, 436 Invalid, 242 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 238 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-11-29 04:53:44,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2023-11-29 04:53:44,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 116. [2023-11-29 04:53:44,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 95 states have (on average 1.368421052631579) internal successors, (130), 95 states have internal predecessors, (130), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-29 04:53:44,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 168 transitions. [2023-11-29 04:53:44,786 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 168 transitions. Word has length 153 [2023-11-29 04:53:44,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:53:44,787 INFO L495 AbstractCegarLoop]: Abstraction has 116 states and 168 transitions. [2023-11-29 04:53:44,787 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 5 states have internal predecessors, (64), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-29 04:53:44,787 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 168 transitions. [2023-11-29 04:53:44,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2023-11-29 04:53:44,789 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:53:44,789 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:53:44,799 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e236eeec-c34a-4169-aa0d-a6b9e0c3d514/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 [2023-11-29 04:53:44,990 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e236eeec-c34a-4169-aa0d-a6b9e0c3d514/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:53:44,990 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:53:44,990 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:53:44,990 INFO L85 PathProgramCache]: Analyzing trace with hash 744889199, now seen corresponding path program 1 times [2023-11-29 04:53:44,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:53:44,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [465018422] [2023-11-29 04:53:44,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:53:44,991 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 [2023-11-29 04:53:44,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e236eeec-c34a-4169-aa0d-a6b9e0c3d514/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:53:44,992 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e236eeec-c34a-4169-aa0d-a6b9e0c3d514/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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) [2023-11-29 04:53:44,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e236eeec-c34a-4169-aa0d-a6b9e0c3d514/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 [2023-11-29 04:53:45,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:53:45,398 INFO L262 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-29 04:53:45,402 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:53:45,515 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 41 [2023-11-29 04:53:45,545 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 240 proven. 0 refuted. 0 times theorem prover too weak. 444 trivial. 0 not checked. [2023-11-29 04:53:45,545 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:53:45,545 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:53:45,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [465018422] [2023-11-29 04:53:45,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [465018422] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:53:45,546 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:53:45,546 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 04:53:45,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490799249] [2023-11-29 04:53:45,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:53:45,547 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 04:53:45,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:53:45,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 04:53:45,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-29 04:53:45,548 INFO L87 Difference]: Start difference. First operand 116 states and 168 transitions. Second operand has 6 states, 6 states have (on average 11.0) internal successors, (66), 5 states have internal predecessors, (66), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-29 04:53:46,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:53:46,866 INFO L93 Difference]: Finished difference Result 237 states and 344 transitions. [2023-11-29 04:53:46,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 04:53:46,867 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 5 states have internal predecessors, (66), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 155 [2023-11-29 04:53:46,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:53:46,868 INFO L225 Difference]: With dead ends: 237 [2023-11-29 04:53:46,868 INFO L226 Difference]: Without dead ends: 122 [2023-11-29 04:53:46,868 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2023-11-29 04:53:46,869 INFO L413 NwaCegarLoop]: 134 mSDtfsCounter, 153 mSDsluCounter, 298 mSDsCounter, 0 mSdLazyCounter, 238 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 432 SdHoareTripleChecker+Invalid, 242 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 238 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-11-29 04:53:46,869 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [153 Valid, 432 Invalid, 242 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 238 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-11-29 04:53:46,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2023-11-29 04:53:46,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 116. [2023-11-29 04:53:46,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 95 states have (on average 1.3578947368421053) internal successors, (129), 95 states have internal predecessors, (129), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-29 04:53:46,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 167 transitions. [2023-11-29 04:53:46,879 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 167 transitions. Word has length 155 [2023-11-29 04:53:46,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:53:46,880 INFO L495 AbstractCegarLoop]: Abstraction has 116 states and 167 transitions. [2023-11-29 04:53:46,880 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 5 states have internal predecessors, (66), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-29 04:53:46,880 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 167 transitions. [2023-11-29 04:53:46,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2023-11-29 04:53:46,882 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:53:46,883 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:53:46,895 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e236eeec-c34a-4169-aa0d-a6b9e0c3d514/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2023-11-29 04:53:47,083 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e236eeec-c34a-4169-aa0d-a6b9e0c3d514/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:53:47,084 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:53:47,084 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:53:47,084 INFO L85 PathProgramCache]: Analyzing trace with hash -1356111243, now seen corresponding path program 1 times [2023-11-29 04:53:47,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:53:47,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [13995576] [2023-11-29 04:53:47,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:53:47,085 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 [2023-11-29 04:53:47,085 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e236eeec-c34a-4169-aa0d-a6b9e0c3d514/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:53:47,085 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e236eeec-c34a-4169-aa0d-a6b9e0c3d514/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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) [2023-11-29 04:53:47,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e236eeec-c34a-4169-aa0d-a6b9e0c3d514/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 [2023-11-29 04:53:47,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:53:47,640 INFO L262 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 38 conjunts are in the unsatisfiable core [2023-11-29 04:53:47,650 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:53:47,660 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2023-11-29 04:53:47,835 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 19 [2023-11-29 04:53:47,932 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 19 [2023-11-29 04:53:48,094 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 19 [2023-11-29 04:53:48,245 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 29 [2023-11-29 04:53:48,489 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 04:53:48,489 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 51 treesize of output 32 [2023-11-29 04:53:48,670 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 04:53:48,671 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 51 treesize of output 32 [2023-11-29 04:53:48,869 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 04:53:48,870 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 51 treesize of output 32 [2023-11-29 04:53:49,053 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 04:53:49,054 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 51 treesize of output 32 [2023-11-29 04:53:49,232 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 04:53:49,232 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 51 treesize of output 32 [2023-11-29 04:53:49,410 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 04:53:49,410 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 51 treesize of output 32 [2023-11-29 04:53:49,680 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 04:53:49,680 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 51 treesize of output 32 [2023-11-29 04:53:50,074 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 04:53:50,075 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 66 treesize of output 41 [2023-11-29 04:53:50,132 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 04:53:50,132 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 66 treesize of output 59 [2023-11-29 04:53:50,235 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 04:53:50,236 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 72 treesize of output 30 [2023-11-29 04:53:50,293 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 256 proven. 51 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2023-11-29 04:53:50,293 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 04:53:50,502 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-11-29 04:53:50,502 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:53:50,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [13995576] [2023-11-29 04:53:50,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [13995576] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-29 04:53:50,503 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 04:53:50,503 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 15 [2023-11-29 04:53:50,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511454698] [2023-11-29 04:53:50,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:53:50,504 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 04:53:50,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:53:50,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 04:53:50,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2023-11-29 04:53:50,505 INFO L87 Difference]: Start difference. First operand 116 states and 167 transitions. Second operand has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-29 04:53:52,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:53:52,635 INFO L93 Difference]: Finished difference Result 281 states and 405 transitions. [2023-11-29 04:53:52,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 04:53:52,637 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 157 [2023-11-29 04:53:52,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:53:52,639 INFO L225 Difference]: With dead ends: 281 [2023-11-29 04:53:52,639 INFO L226 Difference]: Without dead ends: 166 [2023-11-29 04:53:52,639 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 313 GetRequests, 294 SyntacticMatches, 5 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240 [2023-11-29 04:53:52,640 INFO L413 NwaCegarLoop]: 124 mSDtfsCounter, 143 mSDsluCounter, 222 mSDsCounter, 0 mSdLazyCounter, 167 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 346 SdHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 167 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-11-29 04:53:52,640 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 346 Invalid, 176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 167 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2023-11-29 04:53:52,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2023-11-29 04:53:52,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 127. [2023-11-29 04:53:52,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 106 states have (on average 1.3679245283018868) internal successors, (145), 106 states have internal predecessors, (145), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-29 04:53:52,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 183 transitions. [2023-11-29 04:53:52,647 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 183 transitions. Word has length 157 [2023-11-29 04:53:52,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:53:52,648 INFO L495 AbstractCegarLoop]: Abstraction has 127 states and 183 transitions. [2023-11-29 04:53:52,648 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-29 04:53:52,648 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 183 transitions. [2023-11-29 04:53:52,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2023-11-29 04:53:52,650 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:53:52,650 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:53:52,662 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e236eeec-c34a-4169-aa0d-a6b9e0c3d514/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 [2023-11-29 04:53:52,850 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e236eeec-c34a-4169-aa0d-a6b9e0c3d514/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:53:52,851 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:53:52,851 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:53:52,851 INFO L85 PathProgramCache]: Analyzing trace with hash 815986830, now seen corresponding path program 1 times [2023-11-29 04:53:52,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:53:52,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1704989123] [2023-11-29 04:53:52,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:53:52,852 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 [2023-11-29 04:53:52,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e236eeec-c34a-4169-aa0d-a6b9e0c3d514/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:53:52,853 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e236eeec-c34a-4169-aa0d-a6b9e0c3d514/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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) [2023-11-29 04:53:52,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e236eeec-c34a-4169-aa0d-a6b9e0c3d514/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 [2023-11-29 04:53:53,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:53:53,229 INFO L262 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 04:53:53,232 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:53:53,254 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-11-29 04:53:53,254 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:53:53,255 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:53:53,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1704989123] [2023-11-29 04:53:53,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1704989123] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:53:53,255 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:53:53,255 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 04:53:53,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202117633] [2023-11-29 04:53:53,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:53:53,256 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 04:53:53,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:53:53,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 04:53:53,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 04:53:53,257 INFO L87 Difference]: Start difference. First operand 127 states and 183 transitions. Second operand has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-29 04:53:53,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:53:53,480 INFO L93 Difference]: Finished difference Result 269 states and 388 transitions. [2023-11-29 04:53:53,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 04:53:53,480 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 157 [2023-11-29 04:53:53,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:53:53,482 INFO L225 Difference]: With dead ends: 269 [2023-11-29 04:53:53,482 INFO L226 Difference]: Without dead ends: 143 [2023-11-29 04:53:53,483 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-29 04:53:53,483 INFO L413 NwaCegarLoop]: 172 mSDtfsCounter, 52 mSDsluCounter, 480 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 652 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 04:53:53,484 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 652 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 04:53:53,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2023-11-29 04:53:53,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 130. [2023-11-29 04:53:53,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 109 states have (on average 1.3577981651376148) internal successors, (148), 109 states have internal predecessors, (148), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-29 04:53:53,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 186 transitions. [2023-11-29 04:53:53,491 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 186 transitions. Word has length 157 [2023-11-29 04:53:53,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:53:53,492 INFO L495 AbstractCegarLoop]: Abstraction has 130 states and 186 transitions. [2023-11-29 04:53:53,492 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-29 04:53:53,493 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 186 transitions. [2023-11-29 04:53:53,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2023-11-29 04:53:53,494 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:53:53,494 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:53:53,503 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e236eeec-c34a-4169-aa0d-a6b9e0c3d514/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 [2023-11-29 04:53:53,694 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e236eeec-c34a-4169-aa0d-a6b9e0c3d514/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:53:53,695 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:53:53,695 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:53:53,695 INFO L85 PathProgramCache]: Analyzing trace with hash 451763797, now seen corresponding path program 1 times [2023-11-29 04:53:53,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:53:53,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [174234217] [2023-11-29 04:53:53,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:53:53,696 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 [2023-11-29 04:53:53,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e236eeec-c34a-4169-aa0d-a6b9e0c3d514/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:53:53,697 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e236eeec-c34a-4169-aa0d-a6b9e0c3d514/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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) [2023-11-29 04:53:53,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e236eeec-c34a-4169-aa0d-a6b9e0c3d514/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 [2023-11-29 04:53:54,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:53:54,296 INFO L262 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 42 conjunts are in the unsatisfiable core [2023-11-29 04:53:54,304 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:53:54,329 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-29 04:53:54,515 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 21 [2023-11-29 04:53:54,612 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 21 [2023-11-29 04:53:54,709 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 21 [2023-11-29 04:53:54,821 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 21 [2023-11-29 04:53:54,930 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 21 [2023-11-29 04:53:55,336 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 04:53:55,336 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 109 treesize of output 54 [2023-11-29 04:53:55,472 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 04:53:55,472 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 109 treesize of output 54 [2023-11-29 04:53:55,641 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 04:53:55,641 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 109 treesize of output 54 [2023-11-29 04:53:55,818 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 04:53:55,818 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 109 treesize of output 54 [2023-11-29 04:53:56,104 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 04:53:56,104 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 109 treesize of output 54 [2023-11-29 04:53:56,332 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 04:53:56,333 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 105 treesize of output 54 [2023-11-29 04:53:56,369 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 04:53:56,369 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 109 treesize of output 54 [2023-11-29 04:53:56,390 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 04:53:56,390 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 144 treesize of output 54 [2023-11-29 04:53:56,485 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 51 proven. 367 refuted. 0 times theorem prover too weak. 266 trivial. 0 not checked. [2023-11-29 04:53:56,486 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 04:53:57,286 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:53:57,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [174234217] [2023-11-29 04:53:57,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [174234217] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 04:53:57,287 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1738230250] [2023-11-29 04:53:57,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:53:57,287 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-29 04:53:57,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e236eeec-c34a-4169-aa0d-a6b9e0c3d514/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 [2023-11-29 04:53:57,288 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e236eeec-c34a-4169-aa0d-a6b9e0c3d514/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-29 04:53:57,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e236eeec-c34a-4169-aa0d-a6b9e0c3d514/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-11-29 04:54:00,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:54:00,620 INFO L262 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 52 conjunts are in the unsatisfiable core [2023-11-29 04:54:00,628 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:54:00,778 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 [2023-11-29 04:54:02,743 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 30 [2023-11-29 04:54:03,060 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 30 [2023-11-29 04:54:03,402 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 30 [2023-11-29 04:54:03,734 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 30 [2023-11-29 04:54:04,193 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 30 [2023-11-29 04:54:05,116 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 04:54:05,117 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 110 treesize of output 61 [2023-11-29 04:54:05,319 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 04:54:05,320 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 110 treesize of output 61 [2023-11-29 04:54:05,632 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 04:54:05,632 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 110 treesize of output 61 [2023-11-29 04:54:05,927 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 04:54:05,928 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 110 treesize of output 61 [2023-11-29 04:54:06,309 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 04:54:06,309 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 110 treesize of output 61 [2023-11-29 04:54:06,662 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 04:54:06,662 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 110 treesize of output 61 [2023-11-29 04:54:06,715 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 04:54:06,716 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 110 treesize of output 61 [2023-11-29 04:54:06,740 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 04:54:06,740 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 137 treesize of output 65 [2023-11-29 04:54:06,965 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 53 proven. 367 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-29 04:54:06,965 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 04:54:07,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1738230250] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 04:54:07,460 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 04:54:07,460 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 16] total 27 [2023-11-29 04:54:07,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975838421] [2023-11-29 04:54:07,460 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 04:54:07,461 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2023-11-29 04:54:07,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:54:07,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2023-11-29 04:54:07,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=169, Invalid=953, Unknown=0, NotChecked=0, Total=1122 [2023-11-29 04:54:07,462 INFO L87 Difference]: Start difference. First operand 130 states and 186 transitions. Second operand has 28 states, 26 states have (on average 5.346153846153846) internal successors, (139), 26 states have internal predecessors, (139), 8 states have call successors, (38), 7 states have call predecessors, (38), 8 states have return successors, (38), 6 states have call predecessors, (38), 8 states have call successors, (38) [2023-11-29 04:54:22,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:54:22,063 INFO L93 Difference]: Finished difference Result 365 states and 519 transitions. [2023-11-29 04:54:22,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-11-29 04:54:22,064 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 26 states have (on average 5.346153846153846) internal successors, (139), 26 states have internal predecessors, (139), 8 states have call successors, (38), 7 states have call predecessors, (38), 8 states have return successors, (38), 6 states have call predecessors, (38), 8 states have call successors, (38) Word has length 158 [2023-11-29 04:54:22,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:54:22,066 INFO L225 Difference]: With dead ends: 365 [2023-11-29 04:54:22,066 INFO L226 Difference]: Without dead ends: 236 [2023-11-29 04:54:22,067 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 512 GetRequests, 464 SyntacticMatches, 2 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 518 ImplicationChecksByTransitivity, 6.3s TimeCoverageRelationStatistics Valid=402, Invalid=1854, Unknown=0, NotChecked=0, Total=2256 [2023-11-29 04:54:22,068 INFO L413 NwaCegarLoop]: 62 mSDtfsCounter, 807 mSDsluCounter, 675 mSDsCounter, 0 mSdLazyCounter, 2316 mSolverCounterSat, 282 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 820 SdHoareTripleChecker+Valid, 737 SdHoareTripleChecker+Invalid, 2598 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 282 IncrementalHoareTripleChecker+Valid, 2316 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.2s IncrementalHoareTripleChecker+Time [2023-11-29 04:54:22,068 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [820 Valid, 737 Invalid, 2598 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [282 Valid, 2316 Invalid, 0 Unknown, 0 Unchecked, 12.2s Time] [2023-11-29 04:54:22,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2023-11-29 04:54:22,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 225. [2023-11-29 04:54:22,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 225 states, 189 states have (on average 1.3544973544973544) internal successors, (256), 190 states have internal predecessors, (256), 32 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (32), 31 states have call predecessors, (32), 32 states have call successors, (32) [2023-11-29 04:54:22,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 320 transitions. [2023-11-29 04:54:22,085 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 320 transitions. Word has length 158 [2023-11-29 04:54:22,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:54:22,085 INFO L495 AbstractCegarLoop]: Abstraction has 225 states and 320 transitions. [2023-11-29 04:54:22,085 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 26 states have (on average 5.346153846153846) internal successors, (139), 26 states have internal predecessors, (139), 8 states have call successors, (38), 7 states have call predecessors, (38), 8 states have return successors, (38), 6 states have call predecessors, (38), 8 states have call successors, (38) [2023-11-29 04:54:22,085 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 320 transitions. [2023-11-29 04:54:22,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2023-11-29 04:54:22,087 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:54:22,087 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:54:22,099 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e236eeec-c34a-4169-aa0d-a6b9e0c3d514/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2023-11-29 04:54:22,297 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e236eeec-c34a-4169-aa0d-a6b9e0c3d514/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 [2023-11-29 04:54:22,487 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e236eeec-c34a-4169-aa0d-a6b9e0c3d514/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e236eeec-c34a-4169-aa0d-a6b9e0c3d514/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:54:22,488 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:54:22,488 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:54:22,488 INFO L85 PathProgramCache]: Analyzing trace with hash -1966140269, now seen corresponding path program 1 times [2023-11-29 04:54:22,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:54:22,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2084084317] [2023-11-29 04:54:22,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:54:22,489 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:54:22,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e236eeec-c34a-4169-aa0d-a6b9e0c3d514/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:54:22,490 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e236eeec-c34a-4169-aa0d-a6b9e0c3d514/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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) [2023-11-29 04:54:22,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e236eeec-c34a-4169-aa0d-a6b9e0c3d514/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 [2023-11-29 04:54:22,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:54:22,872 INFO L262 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 04:54:22,874 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:54:22,890 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 352 proven. 0 refuted. 0 times theorem prover too weak. 332 trivial. 0 not checked. [2023-11-29 04:54:22,890 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:54:22,890 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:54:22,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2084084317] [2023-11-29 04:54:22,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2084084317] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:54:22,890 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:54:22,890 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 04:54:22,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914416370] [2023-11-29 04:54:22,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:54:22,891 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 04:54:22,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:54:22,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 04:54:22,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 04:54:22,892 INFO L87 Difference]: Start difference. First operand 225 states and 320 transitions. Second operand has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-29 04:54:22,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:54:22,951 INFO L93 Difference]: Finished difference Result 453 states and 645 transitions. [2023-11-29 04:54:22,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 04:54:22,952 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 158 [2023-11-29 04:54:22,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:54:22,955 INFO L225 Difference]: With dead ends: 453 [2023-11-29 04:54:22,955 INFO L226 Difference]: Without dead ends: 229 [2023-11-29 04:54:22,956 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 04:54:22,957 INFO L413 NwaCegarLoop]: 169 mSDtfsCounter, 7 mSDsluCounter, 317 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 486 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 04:54:22,957 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 486 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 04:54:22,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2023-11-29 04:54:22,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 225. [2023-11-29 04:54:22,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 225 states, 189 states have (on average 1.3492063492063493) internal successors, (255), 190 states have internal predecessors, (255), 32 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (32), 31 states have call predecessors, (32), 32 states have call successors, (32) [2023-11-29 04:54:22,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 319 transitions. [2023-11-29 04:54:22,975 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 319 transitions. Word has length 158 [2023-11-29 04:54:22,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:54:22,976 INFO L495 AbstractCegarLoop]: Abstraction has 225 states and 319 transitions. [2023-11-29 04:54:22,976 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-29 04:54:22,976 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 319 transitions. [2023-11-29 04:54:22,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2023-11-29 04:54:22,977 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:54:22,977 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:54:22,987 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e236eeec-c34a-4169-aa0d-a6b9e0c3d514/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Ended with exit code 0 [2023-11-29 04:54:23,178 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e236eeec-c34a-4169-aa0d-a6b9e0c3d514/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:54:23,178 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:54:23,178 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:54:23,179 INFO L85 PathProgramCache]: Analyzing trace with hash -471464561, now seen corresponding path program 1 times [2023-11-29 04:54:23,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:54:23,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1528496172] [2023-11-29 04:54:23,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:54:23,179 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 [2023-11-29 04:54:23,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e236eeec-c34a-4169-aa0d-a6b9e0c3d514/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:54:23,180 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e236eeec-c34a-4169-aa0d-a6b9e0c3d514/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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) [2023-11-29 04:54:23,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e236eeec-c34a-4169-aa0d-a6b9e0c3d514/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 [2023-11-29 04:54:55,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:54:55,447 INFO L262 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 61 conjunts are in the unsatisfiable core [2023-11-29 04:54:55,457 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:54:55,489 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 1 [2023-11-29 04:54:55,930 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 32 [2023-11-29 04:54:56,127 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 32 [2023-11-29 04:54:57,441 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 04:54:57,441 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 131 treesize of output 73 [2023-11-29 04:54:58,156 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 04:54:58,156 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 146 treesize of output 76 [2023-11-29 04:54:58,547 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 04:54:58,547 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 146 treesize of output 76 [2023-11-29 04:54:58,936 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 04:54:58,936 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 146 treesize of output 76 [2023-11-29 04:54:59,295 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 04:54:59,296 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 146 treesize of output 76 [2023-11-29 04:54:59,775 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 04:54:59,775 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 146 treesize of output 76 [2023-11-29 04:55:00,305 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 04:55:00,305 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 146 treesize of output 76 [2023-11-29 04:55:01,047 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 04:55:01,047 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 146 treesize of output 76 [2023-11-29 04:55:02,155 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 04:55:02,155 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 241 treesize of output 121 [2023-11-29 04:55:06,738 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 04:55:06,739 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 245 treesize of output 116 [2023-11-29 04:55:09,303 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 04:55:09,303 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 245 treesize of output 116 [2023-11-29 04:55:18,182 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 04:55:18,182 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 407 treesize of output 149 [2023-11-29 04:55:20,494 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 229 proven. 87 refuted. 0 times theorem prover too weak. 368 trivial. 0 not checked. [2023-11-29 04:55:20,494 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 04:56:06,055 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:56:06,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1528496172] [2023-11-29 04:56:06,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1528496172] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 04:56:06,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1204069225] [2023-11-29 04:56:06,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:56:06,055 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-29 04:56:06,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e236eeec-c34a-4169-aa0d-a6b9e0c3d514/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 [2023-11-29 04:56:06,057 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e236eeec-c34a-4169-aa0d-a6b9e0c3d514/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-29 04:56:06,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e236eeec-c34a-4169-aa0d-a6b9e0c3d514/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-11-29 04:58:03,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:58:03,933 INFO L262 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 89 conjunts are in the unsatisfiable core [2023-11-29 04:58:03,942 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:58:03,948 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2023-11-29 04:58:05,082 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 [2023-11-29 04:58:14,829 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 30 [2023-11-29 04:58:28,139 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 59 [2023-11-29 04:58:44,781 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 04:58:44,781 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 154 treesize of output 88 [2023-11-29 04:58:45,893 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 04:58:45,893 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 154 treesize of output 88 [2023-11-29 04:58:46,723 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 04:58:46,723 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 154 treesize of output 88 [2023-11-29 04:58:47,528 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 04:58:47,529 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 154 treesize of output 88 [2023-11-29 04:58:48,358 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 04:58:48,358 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 154 treesize of output 88 [2023-11-29 04:58:49,404 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 04:58:49,404 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 154 treesize of output 88 [2023-11-29 04:58:50,429 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 04:58:50,430 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 151 treesize of output 96 [2023-11-29 04:58:54,052 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 04:58:54,052 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 162 treesize of output 99 [2023-11-29 04:58:59,349 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 04:58:59,349 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 215 treesize of output 128 [2023-11-29 04:59:06,680 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 04:59:06,681 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 215 treesize of output 123 [2023-11-29 04:59:09,958 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 04:59:09,959 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 215 treesize of output 123 [2023-11-29 04:59:25,797 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 04:59:25,797 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 330 treesize of output 146 [2023-11-29 04:59:26,573 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 370 proven. 126 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2023-11-29 04:59:26,574 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 05:00:21,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1204069225] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 05:00:21,003 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 05:00:21,004 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 37] total 58 [2023-11-29 05:00:21,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913177] [2023-11-29 05:00:21,004 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 05:00:21,005 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 59 states [2023-11-29 05:00:21,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 05:00:21,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2023-11-29 05:00:21,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=706, Invalid=4263, Unknown=1, NotChecked=0, Total=4970 [2023-11-29 05:00:21,008 INFO L87 Difference]: Start difference. First operand 225 states and 319 transitions. Second operand has 59 states, 54 states have (on average 2.8518518518518516) internal successors, (154), 50 states have internal predecessors, (154), 11 states have call successors, (38), 11 states have call predecessors, (38), 11 states have return successors, (38), 9 states have call predecessors, (38), 11 states have call successors, (38) [2023-11-29 05:03:02,058 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:03:07,270 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:03:29,205 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:03:34,357 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:04:40,524 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result VALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:04:44,846 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.12s for a HTC check with result VALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:05:30,190 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result VALID. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:05:43,947 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:07:09,534 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:07:27,171 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:07:43,133 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]