./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-35.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03f83194-23ac-4023-99cd-ea04786a7444/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03f83194-23ac-4023-99cd-ea04786a7444/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_03f83194-23ac-4023-99cd-ea04786a7444/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03f83194-23ac-4023-99cd-ea04786a7444/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-35.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03f83194-23ac-4023-99cd-ea04786a7444/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_03f83194-23ac-4023-99cd-ea04786a7444/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 10175ba88404a095227b7e35859de06b4a92973be853e9a8f08e99d638bebdbe --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 00:29:37,479 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 00:29:37,554 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03f83194-23ac-4023-99cd-ea04786a7444/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-29 00:29:37,559 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 00:29:37,560 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 00:29:37,588 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 00:29:37,588 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 00:29:37,589 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 00:29:37,590 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 00:29:37,590 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 00:29:37,591 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 00:29:37,592 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 00:29:37,593 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 00:29:37,593 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 00:29:37,594 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 00:29:37,595 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 00:29:37,596 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 00:29:37,596 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 00:29:37,597 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 00:29:37,597 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 00:29:37,598 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 00:29:37,599 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 00:29:37,599 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 00:29:37,600 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 00:29:37,600 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 00:29:37,601 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 00:29:37,601 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 00:29:37,602 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 00:29:37,602 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 00:29:37,603 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 00:29:37,603 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 00:29:37,604 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 00:29:37,604 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 00:29:37,604 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 00:29:37,605 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 00:29:37,605 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 00:29:37,605 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 00:29:37,605 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 00:29:37,606 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 00:29:37,606 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 00:29:37,606 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 00:29:37,606 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 00:29:37,607 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_03f83194-23ac-4023-99cd-ea04786a7444/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03f83194-23ac-4023-99cd-ea04786a7444/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 10175ba88404a095227b7e35859de06b4a92973be853e9a8f08e99d638bebdbe [2023-11-29 00:29:37,886 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 00:29:37,915 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 00:29:37,918 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 00:29:37,920 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 00:29:37,920 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 00:29:37,922 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03f83194-23ac-4023-99cd-ea04786a7444/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-35.i [2023-11-29 00:29:41,422 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 00:29:41,673 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 00:29:41,674 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03f83194-23ac-4023-99cd-ea04786a7444/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-35.i [2023-11-29 00:29:41,685 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03f83194-23ac-4023-99cd-ea04786a7444/bin/uautomizer-verify-BQ2R08f2Ya/data/00ae15b23/74f916089bd44a579fab247838f273d5/FLAG227bbddd2 [2023-11-29 00:29:41,701 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03f83194-23ac-4023-99cd-ea04786a7444/bin/uautomizer-verify-BQ2R08f2Ya/data/00ae15b23/74f916089bd44a579fab247838f273d5 [2023-11-29 00:29:41,704 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 00:29:41,706 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 00:29:41,708 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 00:29:41,708 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 00:29:41,714 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 00:29:41,715 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 12:29:41" (1/1) ... [2023-11-29 00:29:41,716 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bab401 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:29:41, skipping insertion in model container [2023-11-29 00:29:41,717 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 12:29:41" (1/1) ... [2023-11-29 00:29:41,752 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 00:29:41,936 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_03f83194-23ac-4023-99cd-ea04786a7444/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-35.i[916,929] [2023-11-29 00:29:42,015 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 00:29:42,028 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 00:29:42,045 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_03f83194-23ac-4023-99cd-ea04786a7444/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-35.i[916,929] [2023-11-29 00:29:42,097 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 00:29:42,121 INFO L206 MainTranslator]: Completed translation [2023-11-29 00:29:42,121 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:29:42 WrapperNode [2023-11-29 00:29:42,122 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 00:29:42,123 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 00:29:42,123 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 00:29:42,123 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 00:29:42,131 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:29:42" (1/1) ... [2023-11-29 00:29:42,147 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:29:42" (1/1) ... [2023-11-29 00:29:42,200 INFO L138 Inliner]: procedures = 29, calls = 152, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 374 [2023-11-29 00:29:42,201 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 00:29:42,202 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 00:29:42,202 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 00:29:42,202 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 00:29:42,214 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:29:42" (1/1) ... [2023-11-29 00:29:42,214 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:29:42" (1/1) ... [2023-11-29 00:29:42,222 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:29:42" (1/1) ... [2023-11-29 00:29:42,245 INFO L175 MemorySlicer]: Split 118 memory accesses to 6 slices as follows [2, 31, 25, 33, 7, 20]. 28 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 4, 3, 4, 1, 3]. The 19 writes are split as follows [0, 5, 3, 4, 3, 4]. [2023-11-29 00:29:42,246 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:29:42" (1/1) ... [2023-11-29 00:29:42,246 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:29:42" (1/1) ... [2023-11-29 00:29:42,269 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:29:42" (1/1) ... [2023-11-29 00:29:42,274 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:29:42" (1/1) ... [2023-11-29 00:29:42,278 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:29:42" (1/1) ... [2023-11-29 00:29:42,281 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:29:42" (1/1) ... [2023-11-29 00:29:42,288 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 00:29:42,289 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 00:29:42,289 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 00:29:42,289 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 00:29:42,290 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:29:42" (1/1) ... [2023-11-29 00:29:42,296 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 00:29:42,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03f83194-23ac-4023-99cd-ea04786a7444/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:29:42,324 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03f83194-23ac-4023-99cd-ea04786a7444/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 00:29:42,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03f83194-23ac-4023-99cd-ea04786a7444/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 00:29:42,367 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 00:29:42,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-29 00:29:42,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-29 00:29:42,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-29 00:29:42,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-29 00:29:42,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-11-29 00:29:42,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2023-11-29 00:29:42,368 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2023-11-29 00:29:42,369 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2023-11-29 00:29:42,369 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2023-11-29 00:29:42,369 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2023-11-29 00:29:42,369 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2023-11-29 00:29:42,369 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2023-11-29 00:29:42,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2023-11-29 00:29:42,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2023-11-29 00:29:42,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2023-11-29 00:29:42,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2023-11-29 00:29:42,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2023-11-29 00:29:42,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2023-11-29 00:29:42,370 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-29 00:29:42,371 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-29 00:29:42,371 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-29 00:29:42,371 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-29 00:29:42,371 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-11-29 00:29:42,371 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2023-11-29 00:29:42,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2023-11-29 00:29:42,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2023-11-29 00:29:42,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2023-11-29 00:29:42,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2023-11-29 00:29:42,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2023-11-29 00:29:42,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#5 [2023-11-29 00:29:42,372 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 00:29:42,372 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 00:29:42,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 00:29:42,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-29 00:29:42,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-29 00:29:42,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-29 00:29:42,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-11-29 00:29:42,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2023-11-29 00:29:42,373 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 00:29:42,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 00:29:42,526 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 00:29:42,528 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 00:29:42,927 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 00:29:42,965 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 00:29:42,966 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 00:29:42,966 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 12:29:42 BoogieIcfgContainer [2023-11-29 00:29:42,966 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 00:29:42,970 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 00:29:42,970 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 00:29:42,972 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 00:29:42,973 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 12:29:41" (1/3) ... [2023-11-29 00:29:42,973 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d523612 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 12:29:42, skipping insertion in model container [2023-11-29 00:29:42,973 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:29:42" (2/3) ... [2023-11-29 00:29:42,974 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d523612 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 12:29:42, skipping insertion in model container [2023-11-29 00:29:42,974 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 12:29:42" (3/3) ... [2023-11-29 00:29:42,975 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-35.i [2023-11-29 00:29:42,991 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 00:29:42,991 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 00:29:43,035 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 00:29:43,041 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;@41c43dce, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 00:29:43,041 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 00:29:43,045 INFO L276 IsEmpty]: Start isEmpty. Operand has 94 states, 73 states have (on average 1.4109589041095891) internal successors, (103), 74 states have internal predecessors, (103), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-29 00:29:43,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2023-11-29 00:29:43,059 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:29:43,060 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:29:43,060 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:29:43,064 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:29:43,065 INFO L85 PathProgramCache]: Analyzing trace with hash 1472631863, now seen corresponding path program 1 times [2023-11-29 00:29:43,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:29:43,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1606109551] [2023-11-29 00:29:43,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:29:43,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:29:43,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:29:43,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 00:29:43,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:29:43,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 00:29:43,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:29:43,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 00:29:43,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:29:43,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-29 00:29:43,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:29:43,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-29 00:29:43,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:29:43,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-29 00:29:43,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:29:43,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-29 00:29:43,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:29:43,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-29 00:29:43,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:29:43,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-29 00:29:43,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:29:43,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-29 00:29:43,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:29:43,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-29 00:29:43,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:29:43,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-11-29 00:29:43,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:29:43,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-29 00:29:43,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:29:43,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-11-29 00:29:43,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:29:43,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-11-29 00:29:43,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:29:43,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-29 00:29:43,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:29:43,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-29 00:29:43,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:29:43,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-11-29 00:29:43,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:29:43,484 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2023-11-29 00:29:43,485 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:29:43,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1606109551] [2023-11-29 00:29:43,486 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1606109551] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:29:43,486 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:29:43,486 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 00:29:43,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884895484] [2023-11-29 00:29:43,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:29:43,493 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 00:29:43,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:29:43,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 00:29:43,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 00:29:43,527 INFO L87 Difference]: Start difference. First operand has 94 states, 73 states have (on average 1.4109589041095891) internal successors, (103), 74 states have internal predecessors, (103), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2023-11-29 00:29:43,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:29:43,574 INFO L93 Difference]: Finished difference Result 185 states and 294 transitions. [2023-11-29 00:29:43,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 00:29:43,576 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) Word has length 138 [2023-11-29 00:29:43,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:29:43,585 INFO L225 Difference]: With dead ends: 185 [2023-11-29 00:29:43,585 INFO L226 Difference]: Without dead ends: 92 [2023-11-29 00:29:43,589 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 56 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 00:29:43,593 INFO L413 NwaCegarLoop]: 129 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, 129 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 00:29:43,594 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 129 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 00:29:43,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2023-11-29 00:29:43,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2023-11-29 00:29:43,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 72 states have (on average 1.3472222222222223) internal successors, (97), 72 states have internal predecessors, (97), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-29 00:29:43,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 133 transitions. [2023-11-29 00:29:43,644 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 133 transitions. Word has length 138 [2023-11-29 00:29:43,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:29:43,644 INFO L495 AbstractCegarLoop]: Abstraction has 92 states and 133 transitions. [2023-11-29 00:29:43,645 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2023-11-29 00:29:43,645 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 133 transitions. [2023-11-29 00:29:43,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2023-11-29 00:29:43,649 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:29:43,649 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:29:43,649 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 00:29:43,650 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:29:43,650 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:29:43,651 INFO L85 PathProgramCache]: Analyzing trace with hash -1971331881, now seen corresponding path program 1 times [2023-11-29 00:29:43,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:29:43,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171250177] [2023-11-29 00:29:43,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:29:43,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:29:43,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:29:44,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 00:29:44,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:29:44,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 00:29:44,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:29:44,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 00:29:44,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:29:44,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-29 00:29:44,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:29:44,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-29 00:29:44,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:29:44,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-29 00:29:44,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:29:44,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-29 00:29:44,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:29:44,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-29 00:29:44,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:29:44,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-29 00:29:44,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:29:44,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-29 00:29:44,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:29:44,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-29 00:29:44,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:29:44,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-11-29 00:29:44,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:29:44,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-29 00:29:44,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:29:44,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-11-29 00:29:44,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:29:44,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-11-29 00:29:44,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:29:44,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-29 00:29:44,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:29:44,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-29 00:29:44,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:29:44,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-11-29 00:29:44,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:29:44,972 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 9 proven. 42 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2023-11-29 00:29:44,972 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:29:44,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171250177] [2023-11-29 00:29:44,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1171250177] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 00:29:44,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1582419493] [2023-11-29 00:29:44,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:29:44,973 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:29:44,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03f83194-23ac-4023-99cd-ea04786a7444/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:29:44,980 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03f83194-23ac-4023-99cd-ea04786a7444/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:29:44,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03f83194-23ac-4023-99cd-ea04786a7444/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-29 00:29:45,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:29:45,230 INFO L262 TraceCheckSpWp]: Trace formula consists of 470 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-29 00:29:45,245 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:29:45,486 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 25 treesize of output 13 [2023-11-29 00:29:46,031 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 60 treesize of output 42 [2023-11-29 00:29:46,037 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 58 [2023-11-29 00:29:46,054 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2023-11-29 00:29:46,125 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 191 proven. 42 refuted. 0 times theorem prover too weak. 379 trivial. 0 not checked. [2023-11-29 00:29:46,125 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:29:46,501 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 9 proven. 42 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2023-11-29 00:29:46,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1582419493] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 00:29:46,515 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 00:29:46,515 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 20 [2023-11-29 00:29:46,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026014953] [2023-11-29 00:29:46,517 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 00:29:46,518 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-29 00:29:46,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:29:46,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-29 00:29:46,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=308, Unknown=0, NotChecked=0, Total=380 [2023-11-29 00:29:46,521 INFO L87 Difference]: Start difference. First operand 92 states and 133 transitions. Second operand has 20 states, 17 states have (on average 6.0588235294117645) internal successors, (103), 20 states have internal predecessors, (103), 7 states have call successors, (37), 3 states have call predecessors, (37), 6 states have return successors, (37), 4 states have call predecessors, (37), 7 states have call successors, (37) [2023-11-29 00:29:47,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:29:47,395 INFO L93 Difference]: Finished difference Result 290 states and 411 transitions. [2023-11-29 00:29:47,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-11-29 00:29:47,397 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 17 states have (on average 6.0588235294117645) internal successors, (103), 20 states have internal predecessors, (103), 7 states have call successors, (37), 3 states have call predecessors, (37), 6 states have return successors, (37), 4 states have call predecessors, (37), 7 states have call successors, (37) Word has length 138 [2023-11-29 00:29:47,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:29:47,401 INFO L225 Difference]: With dead ends: 290 [2023-11-29 00:29:47,401 INFO L226 Difference]: Without dead ends: 199 [2023-11-29 00:29:47,403 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 334 GetRequests, 298 SyntacticMatches, 3 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 229 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=263, Invalid=927, Unknown=0, NotChecked=0, Total=1190 [2023-11-29 00:29:47,405 INFO L413 NwaCegarLoop]: 123 mSDtfsCounter, 497 mSDsluCounter, 614 mSDsCounter, 0 mSdLazyCounter, 468 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 516 SdHoareTripleChecker+Valid, 737 SdHoareTripleChecker+Invalid, 544 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 468 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-29 00:29:47,405 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [516 Valid, 737 Invalid, 544 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 468 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-29 00:29:47,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2023-11-29 00:29:47,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 98. [2023-11-29 00:29:47,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 77 states have (on average 1.3246753246753247) internal successors, (102), 77 states have internal predecessors, (102), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-29 00:29:47,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 138 transitions. [2023-11-29 00:29:47,442 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 138 transitions. Word has length 138 [2023-11-29 00:29:47,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:29:47,443 INFO L495 AbstractCegarLoop]: Abstraction has 98 states and 138 transitions. [2023-11-29 00:29:47,444 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 17 states have (on average 6.0588235294117645) internal successors, (103), 20 states have internal predecessors, (103), 7 states have call successors, (37), 3 states have call predecessors, (37), 6 states have return successors, (37), 4 states have call predecessors, (37), 7 states have call successors, (37) [2023-11-29 00:29:47,444 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 138 transitions. [2023-11-29 00:29:47,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2023-11-29 00:29:47,447 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:29:47,447 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:29:47,455 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03f83194-23ac-4023-99cd-ea04786a7444/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-29 00:29:47,651 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03f83194-23ac-4023-99cd-ea04786a7444/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:29:47,651 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:29:47,652 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:29:47,652 INFO L85 PathProgramCache]: Analyzing trace with hash 329490709, now seen corresponding path program 1 times [2023-11-29 00:29:47,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:29:47,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731564227] [2023-11-29 00:29:47,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:29:47,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:29:47,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 00:29:47,764 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 00:29:47,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 00:29:47,893 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 00:29:47,893 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-29 00:29:47,894 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-29 00:29:47,896 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 00:29:47,899 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-29 00:29:47,902 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 00:29:47,949 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated [2023-11-29 00:29:47,951 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem31 could not be translated [2023-11-29 00:29:47,952 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem33 could not be translated [2023-11-29 00:29:47,953 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem34 could not be translated [2023-11-29 00:29:47,954 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem36 could not be translated [2023-11-29 00:29:47,955 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem37 could not be translated [2023-11-29 00:29:47,955 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem39 could not be translated [2023-11-29 00:29:47,956 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem39 could not be translated [2023-11-29 00:29:47,956 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem40 could not be translated [2023-11-29 00:29:47,956 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem39 could not be translated [2023-11-29 00:29:47,956 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short45 could not be translated [2023-11-29 00:29:47,957 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short41 could not be translated [2023-11-29 00:29:47,957 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem40 could not be translated [2023-11-29 00:29:47,958 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short45 could not be translated [2023-11-29 00:29:47,958 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem39 could not be translated [2023-11-29 00:29:47,958 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem40 could not be translated [2023-11-29 00:29:47,959 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short41 could not be translated [2023-11-29 00:29:47,959 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated [2023-11-29 00:29:47,959 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated [2023-11-29 00:29:47,960 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated [2023-11-29 00:29:47,960 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated [2023-11-29 00:29:47,960 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short49 could not be translated [2023-11-29 00:29:47,960 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated [2023-11-29 00:29:47,961 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short53 could not be translated [2023-11-29 00:29:47,962 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short53 could not be translated [2023-11-29 00:29:47,962 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated [2023-11-29 00:29:47,962 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated [2023-11-29 00:29:47,962 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short49 could not be translated [2023-11-29 00:29:47,963 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated [2023-11-29 00:29:47,964 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated [2023-11-29 00:29:47,965 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated [2023-11-29 00:29:47,966 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated [2023-11-29 00:29:47,967 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated [2023-11-29 00:29:47,968 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated [2023-11-29 00:29:47,969 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated [2023-11-29 00:29:47,970 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated [2023-11-29 00:29:47,970 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated [2023-11-29 00:29:47,971 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated [2023-11-29 00:29:47,972 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated [2023-11-29 00:29:47,972 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite73 could not be translated [2023-11-29 00:29:47,973 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem72 could not be translated [2023-11-29 00:29:47,973 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated [2023-11-29 00:29:47,973 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite73 could not be translated [2023-11-29 00:29:47,973 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated [2023-11-29 00:29:47,973 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short86 could not be translated [2023-11-29 00:29:47,974 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem72 could not be translated [2023-11-29 00:29:47,974 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated [2023-11-29 00:29:47,974 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite73 could not be translated [2023-11-29 00:29:47,974 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem72 could not be translated [2023-11-29 00:29:47,974 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short95 could not be translated [2023-11-29 00:29:47,975 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated [2023-11-29 00:29:47,975 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short86 could not be translated [2023-11-29 00:29:47,975 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated [2023-11-29 00:29:47,975 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short102 could not be translated [2023-11-29 00:29:47,976 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite73 could not be translated [2023-11-29 00:29:47,976 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short95 could not be translated [2023-11-29 00:29:47,976 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem72 could not be translated [2023-11-29 00:29:47,976 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated [2023-11-29 00:29:47,976 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short86 could not be translated [2023-11-29 00:29:47,976 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated [2023-11-29 00:29:47,977 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite73 could not be translated [2023-11-29 00:29:47,977 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short86 could not be translated [2023-11-29 00:29:47,977 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short102 could not be translated [2023-11-29 00:29:47,977 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short95 could not be translated [2023-11-29 00:29:47,978 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem72 could not be translated [2023-11-29 00:29:47,978 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated [2023-11-29 00:29:47,978 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short114 could not be translated [2023-11-29 00:29:47,978 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated [2023-11-29 00:29:47,998 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 12:29:47 BoogieIcfgContainer [2023-11-29 00:29:47,998 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 00:29:47,998 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 00:29:47,998 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 00:29:47,999 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 00:29:47,999 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 12:29:42" (3/4) ... [2023-11-29 00:29:48,001 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-29 00:29:48,002 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 00:29:48,003 INFO L158 Benchmark]: Toolchain (without parser) took 6296.75ms. Allocated memory was 155.2MB in the beginning and 232.8MB in the end (delta: 77.6MB). Free memory was 122.9MB in the beginning and 85.8MB in the end (delta: 37.2MB). Peak memory consumption was 117.4MB. Max. memory is 16.1GB. [2023-11-29 00:29:48,003 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 155.2MB. Free memory is still 126.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 00:29:48,004 INFO L158 Benchmark]: CACSL2BoogieTranslator took 414.49ms. Allocated memory is still 155.2MB. Free memory was 122.4MB in the beginning and 107.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-29 00:29:48,004 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.34ms. Allocated memory is still 155.2MB. Free memory was 107.7MB in the beginning and 103.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 00:29:48,005 INFO L158 Benchmark]: Boogie Preprocessor took 86.03ms. Allocated memory is still 155.2MB. Free memory was 103.5MB in the beginning and 98.8MB in the end (delta: 4.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-29 00:29:48,005 INFO L158 Benchmark]: RCFGBuilder took 677.74ms. Allocated memory is still 155.2MB. Free memory was 98.8MB in the beginning and 66.8MB in the end (delta: 32.0MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2023-11-29 00:29:48,006 INFO L158 Benchmark]: TraceAbstraction took 5028.27ms. Allocated memory was 155.2MB in the beginning and 232.8MB in the end (delta: 77.6MB). Free memory was 65.8MB in the beginning and 85.8MB in the end (delta: -20.0MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. [2023-11-29 00:29:48,006 INFO L158 Benchmark]: Witness Printer took 3.85ms. Allocated memory is still 232.8MB. Free memory is still 85.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 00:29:48,008 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 155.2MB. Free memory is still 126.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 414.49ms. Allocated memory is still 155.2MB. Free memory was 122.4MB in the beginning and 107.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.34ms. Allocated memory is still 155.2MB. Free memory was 107.7MB in the beginning and 103.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 86.03ms. Allocated memory is still 155.2MB. Free memory was 103.5MB in the beginning and 98.8MB in the end (delta: 4.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 677.74ms. Allocated memory is still 155.2MB. Free memory was 98.8MB in the beginning and 66.8MB in the end (delta: 32.0MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * TraceAbstraction took 5028.27ms. Allocated memory was 155.2MB in the beginning and 232.8MB in the end (delta: 77.6MB). Free memory was 65.8MB in the beginning and 85.8MB in the end (delta: -20.0MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. * Witness Printer took 3.85ms. Allocated memory is still 232.8MB. Free memory is still 85.8MB. 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~mem30 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem31 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem33 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem34 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem36 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem37 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem39 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem39 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem40 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem39 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short45 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short41 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem40 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short45 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem39 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem40 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short41 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short49 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short53 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short53 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short49 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem62 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~mem67 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite73 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem72 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite73 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short86 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem72 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite73 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem72 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short95 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short86 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short102 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite73 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short95 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem72 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short86 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite73 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short86 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short102 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short95 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem72 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short114 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem71 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 103, overapproximation of someUnaryDOUBLEoperation at line 26, overapproximation of someBinaryArithmeticFLOAToperation at line 43. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[2][2] = { {1, 1}, {0, 1} }; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[2][2] = { {1, 1}, {0, 1} }; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[2][2] = { {1, 1}, {0, 1} }; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[2][2] = { {1, 1}, {0, 1} }; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[2][2] = { {1, 1}, {0, 1} }; [L25-L27] float float_Array_0[3] = { -0.6, 255.1, 4.8 }; [L25-L27] float float_Array_0[3] = { -0.6, 255.1, 4.8 }; [L25-L27] float float_Array_0[3] = { -0.6, 255.1, 4.8 }; [L25-L27] float float_Array_0[3] = { -0.6, 255.1, 4.8 }; [L28-L30] signed char signed_char_Array_0[2][2] = { {10, -2}, {5, -1} }; [L28-L30] signed char signed_char_Array_0[2][2] = { {10, -2}, {5, -1} }; [L28-L30] signed char signed_char_Array_0[2][2] = { {10, -2}, {5, -1} }; [L28-L30] signed char signed_char_Array_0[2][2] = { {10, -2}, {5, -1} }; [L28-L30] signed char signed_char_Array_0[2][2] = { {10, -2}, {5, -1} }; [L31-L33] signed short int signed_short_int_Array_0[1] = { -10 }; [L31-L33] signed short int signed_short_int_Array_0[1] = { -10 }; [L34-L36] unsigned char unsigned_char_Array_0[3] = { 5, 5, 64 }; [L34-L36] unsigned char unsigned_char_Array_0[3] = { 5, 5, 64 }; [L34-L36] unsigned char unsigned_char_Array_0[3] = { 5, 5, 64 }; [L34-L36] unsigned char unsigned_char_Array_0[3] = { 5, 5, 64 }; [L37] unsigned char last_1_unsigned_char_Array_0_1_ = 5; [L107] isInitial = 1 [L108] FCALL initially() [L109] COND TRUE 1 [L110] CALL updateLastVariables() [L100] EXPR unsigned_char_Array_0[1] [L100] last_1_unsigned_char_Array_0_1_ = unsigned_char_Array_0[1] [L110] RET updateLastVariables() [L111] CALL updateVariables() [L70] BOOL_unsigned_char_Array_0[0][0] = __VERIFIER_nondet_uchar() [L71] EXPR BOOL_unsigned_char_Array_0[0][0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L71] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0][0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L71] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0][0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L72] EXPR BOOL_unsigned_char_Array_0[0][0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L72] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0][0] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L72] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0][0] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L73] BOOL_unsigned_char_Array_0[1][0] = __VERIFIER_nondet_uchar() [L74] EXPR BOOL_unsigned_char_Array_0[1][0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L74] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[1][0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L74] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[1][0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L75] EXPR BOOL_unsigned_char_Array_0[1][0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L75] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[1][0] <= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L75] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[1][0] <= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L76] BOOL_unsigned_char_Array_0[0][1] = __VERIFIER_nondet_uchar() [L77] EXPR BOOL_unsigned_char_Array_0[0][1] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L77] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0][1] >= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L77] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0][1] >= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L78] EXPR BOOL_unsigned_char_Array_0[0][1] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L78] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0][1] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L78] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0][1] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L79] float_Array_0[0] = __VERIFIER_nondet_float() [L80] EXPR float_Array_0[0] [L80] EXPR float_Array_0[0] >= -461168.6018427382800e+13F && float_Array_0[0] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L80] EXPR float_Array_0[0] >= -461168.6018427382800e+13F && float_Array_0[0] <= -1.0e-20F [L80] EXPR float_Array_0[0] [L80] EXPR float_Array_0[0] >= -461168.6018427382800e+13F && float_Array_0[0] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L80] EXPR (float_Array_0[0] >= -461168.6018427382800e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 4611686.018427382800e+12F && float_Array_0[0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L80] EXPR (float_Array_0[0] >= -461168.6018427382800e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 4611686.018427382800e+12F && float_Array_0[0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L80] CALL assume_abort_if_not((float_Array_0[0] >= -461168.6018427382800e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 4611686.018427382800e+12F && float_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L80] RET assume_abort_if_not((float_Array_0[0] >= -461168.6018427382800e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 4611686.018427382800e+12F && float_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L81] float_Array_0[1] = __VERIFIER_nondet_float() [L82] EXPR float_Array_0[1] [L82] EXPR float_Array_0[1] >= -461168.6018427382800e+13F && float_Array_0[1] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L82] EXPR float_Array_0[1] >= -461168.6018427382800e+13F && float_Array_0[1] <= -1.0e-20F [L82] EXPR float_Array_0[1] [L82] EXPR float_Array_0[1] >= -461168.6018427382800e+13F && float_Array_0[1] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L82] EXPR (float_Array_0[1] >= -461168.6018427382800e+13F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 4611686.018427382800e+12F && float_Array_0[1] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L82] EXPR (float_Array_0[1] >= -461168.6018427382800e+13F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 4611686.018427382800e+12F && float_Array_0[1] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L82] CALL assume_abort_if_not((float_Array_0[1] >= -461168.6018427382800e+13F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 4611686.018427382800e+12F && float_Array_0[1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L82] RET assume_abort_if_not((float_Array_0[1] >= -461168.6018427382800e+13F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 4611686.018427382800e+12F && float_Array_0[1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L83] signed_char_Array_0[0][0] = __VERIFIER_nondet_char() [L84] EXPR signed_char_Array_0[0][0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L84] CALL assume_abort_if_not(signed_char_Array_0[0][0] >= -31) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L84] RET assume_abort_if_not(signed_char_Array_0[0][0] >= -31) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L85] EXPR signed_char_Array_0[0][0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L85] CALL assume_abort_if_not(signed_char_Array_0[0][0] <= 32) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L85] RET assume_abort_if_not(signed_char_Array_0[0][0] <= 32) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L86] signed_char_Array_0[1][0] = __VERIFIER_nondet_char() [L87] EXPR signed_char_Array_0[1][0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L87] CALL assume_abort_if_not(signed_char_Array_0[1][0] >= -31) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L87] RET assume_abort_if_not(signed_char_Array_0[1][0] >= -31) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L88] EXPR signed_char_Array_0[1][0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L88] CALL assume_abort_if_not(signed_char_Array_0[1][0] <= 31) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L88] RET assume_abort_if_not(signed_char_Array_0[1][0] <= 31) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L89] signed_char_Array_0[1][1] = __VERIFIER_nondet_char() [L90] EXPR signed_char_Array_0[1][1] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L90] CALL assume_abort_if_not(signed_char_Array_0[1][1] >= -63) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L90] RET assume_abort_if_not(signed_char_Array_0[1][1] >= -63) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L91] EXPR signed_char_Array_0[1][1] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L91] CALL assume_abort_if_not(signed_char_Array_0[1][1] <= 63) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L91] RET assume_abort_if_not(signed_char_Array_0[1][1] <= 63) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L92] unsigned_char_Array_0[0] = __VERIFIER_nondet_uchar() [L93] EXPR unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L93] CALL assume_abort_if_not(unsigned_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L93] RET assume_abort_if_not(unsigned_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L94] EXPR unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L94] CALL assume_abort_if_not(unsigned_char_Array_0[0] <= 32) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L94] RET assume_abort_if_not(unsigned_char_Array_0[0] <= 32) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L95] unsigned_char_Array_0[2] = __VERIFIER_nondet_uchar() [L96] EXPR unsigned_char_Array_0[2] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L96] CALL assume_abort_if_not(unsigned_char_Array_0[2] >= 32) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L96] RET assume_abort_if_not(unsigned_char_Array_0[2] >= 32) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L97] EXPR unsigned_char_Array_0[2] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L97] CALL assume_abort_if_not(unsigned_char_Array_0[2] <= 64) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L97] RET assume_abort_if_not(unsigned_char_Array_0[2] <= 64) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L111] RET updateVariables() [L112] CALL step() [L41] signed long int stepLocal_0 = ~ last_1_unsigned_char_Array_0_1_; VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, stepLocal_0=-6, unsigned_char_Array_0={8:0}] [L42] COND TRUE last_1_unsigned_char_Array_0_1_ >= stepLocal_0 [L43] EXPR float_Array_0[1] [L43] EXPR float_Array_0[0] [L43] float_Array_0[2] = (float_Array_0[1] + float_Array_0[0]) [L45] EXPR float_Array_0[2] [L45] EXPR float_Array_0[0] [L45] EXPR float_Array_0[1] [L45] unsigned char stepLocal_1 = (float_Array_0[2] * float_Array_0[0]) >= float_Array_0[1]; [L46] EXPR BOOL_unsigned_char_Array_0[0][1] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L46] COND FALSE !(BOOL_unsigned_char_Array_0[0][1] && stepLocal_1) [L49] EXPR unsigned_char_Array_0[2] [L49] unsigned_char_Array_0[1] = unsigned_char_Array_0[2] [L51] BOOL_unsigned_char_Array_0[0][0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L51] COND FALSE !(BOOL_unsigned_char_Array_0[0][0]) [L54] EXPR BOOL_unsigned_char_Array_0[0][1] [L54] BOOL_unsigned_char_Array_0[1][1] = (! BOOL_unsigned_char_Array_0[0][1]) [L56] BOOL_unsigned_char_Array_0[1][1] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L56] COND FALSE !(BOOL_unsigned_char_Array_0[1][1]) [L59] BOOL_unsigned_char_Array_0[1][1] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L59] COND FALSE !(BOOL_unsigned_char_Array_0[1][1]) [L66] EXPR signed_char_Array_0[0][1] [L66] signed_short_int_Array_0[0] = signed_char_Array_0[0][1] [L112] RET step() [L113] CALL, EXPR property() [L103] EXPR (last_1_unsigned_char_Array_0_1_ >= (~ last_1_unsigned_char_Array_0_1_)) ? (float_Array_0[2] == ((float) (float_Array_0[1] + float_Array_0[0]))) : 1 [L103] EXPR float_Array_0[2] [L103] EXPR float_Array_0[1] [L103] EXPR float_Array_0[0] [L103] EXPR (last_1_unsigned_char_Array_0_1_ >= (~ last_1_unsigned_char_Array_0_1_)) ? (float_Array_0[2] == ((float) (float_Array_0[1] + float_Array_0[0]))) : 1 VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L103] EXPR ((last_1_unsigned_char_Array_0_1_ >= (~ last_1_unsigned_char_Array_0_1_)) ? (float_Array_0[2] == ((float) (float_Array_0[1] + float_Array_0[0]))) : 1) && (BOOL_unsigned_char_Array_0[1][1] ? (BOOL_unsigned_char_Array_0[1][1] ? (signed_short_int_Array_0[0] == ((signed short int) (signed_char_Array_0[0][1] + signed_char_Array_0[0][1]))) : (signed_short_int_Array_0[0] == ((signed short int) (signed_char_Array_0[0][1] + signed_char_Array_0[0][1])))) : (signed_short_int_Array_0[0] == ((signed short int) signed_char_Array_0[0][1]))) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L103] EXPR ((last_1_unsigned_char_Array_0_1_ >= (~ last_1_unsigned_char_Array_0_1_)) ? (float_Array_0[2] == ((float) (float_Array_0[1] + float_Array_0[0]))) : 1) && (BOOL_unsigned_char_Array_0[1][1] ? (BOOL_unsigned_char_Array_0[1][1] ? (signed_short_int_Array_0[0] == ((signed short int) (signed_char_Array_0[0][1] + signed_char_Array_0[0][1]))) : (signed_short_int_Array_0[0] == ((signed short int) (signed_char_Array_0[0][1] + signed_char_Array_0[0][1])))) : (signed_short_int_Array_0[0] == ((signed short int) signed_char_Array_0[0][1]))) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L103] EXPR (((last_1_unsigned_char_Array_0_1_ >= (~ last_1_unsigned_char_Array_0_1_)) ? (float_Array_0[2] == ((float) (float_Array_0[1] + float_Array_0[0]))) : 1) && (BOOL_unsigned_char_Array_0[1][1] ? (BOOL_unsigned_char_Array_0[1][1] ? (signed_short_int_Array_0[0] == ((signed short int) (signed_char_Array_0[0][1] + signed_char_Array_0[0][1]))) : (signed_short_int_Array_0[0] == ((signed short int) (signed_char_Array_0[0][1] + signed_char_Array_0[0][1])))) : (signed_short_int_Array_0[0] == ((signed short int) signed_char_Array_0[0][1])))) && (BOOL_unsigned_char_Array_0[1][1] ? (signed_char_Array_0[0][1] == ((signed char) ((signed_char_Array_0[0][0] + ((((10) < (signed_char_Array_0[1][0])) ? (10) : (signed_char_Array_0[1][0])))) + signed_char_Array_0[1][1]))) : 1) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L103] EXPR (((last_1_unsigned_char_Array_0_1_ >= (~ last_1_unsigned_char_Array_0_1_)) ? (float_Array_0[2] == ((float) (float_Array_0[1] + float_Array_0[0]))) : 1) && (BOOL_unsigned_char_Array_0[1][1] ? (BOOL_unsigned_char_Array_0[1][1] ? (signed_short_int_Array_0[0] == ((signed short int) (signed_char_Array_0[0][1] + signed_char_Array_0[0][1]))) : (signed_short_int_Array_0[0] == ((signed short int) (signed_char_Array_0[0][1] + signed_char_Array_0[0][1])))) : (signed_short_int_Array_0[0] == ((signed short int) signed_char_Array_0[0][1])))) && (BOOL_unsigned_char_Array_0[1][1] ? (signed_char_Array_0[0][1] == ((signed char) ((signed_char_Array_0[0][0] + ((((10) < (signed_char_Array_0[1][0])) ? (10) : (signed_char_Array_0[1][0])))) + signed_char_Array_0[1][1]))) : 1) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L103] EXPR ((((last_1_unsigned_char_Array_0_1_ >= (~ last_1_unsigned_char_Array_0_1_)) ? (float_Array_0[2] == ((float) (float_Array_0[1] + float_Array_0[0]))) : 1) && (BOOL_unsigned_char_Array_0[1][1] ? (BOOL_unsigned_char_Array_0[1][1] ? (signed_short_int_Array_0[0] == ((signed short int) (signed_char_Array_0[0][1] + signed_char_Array_0[0][1]))) : (signed_short_int_Array_0[0] == ((signed short int) (signed_char_Array_0[0][1] + signed_char_Array_0[0][1])))) : (signed_short_int_Array_0[0] == ((signed short int) signed_char_Array_0[0][1])))) && (BOOL_unsigned_char_Array_0[1][1] ? (signed_char_Array_0[0][1] == ((signed char) ((signed_char_Array_0[0][0] + ((((10) < (signed_char_Array_0[1][0])) ? (10) : (signed_char_Array_0[1][0])))) + signed_char_Array_0[1][1]))) : 1)) && (BOOL_unsigned_char_Array_0[0][0] ? (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) (! BOOL_unsigned_char_Array_0[1][0]))) : (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) (! BOOL_unsigned_char_Array_0[0][1])))) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L103] EXPR ((((last_1_unsigned_char_Array_0_1_ >= (~ last_1_unsigned_char_Array_0_1_)) ? (float_Array_0[2] == ((float) (float_Array_0[1] + float_Array_0[0]))) : 1) && (BOOL_unsigned_char_Array_0[1][1] ? (BOOL_unsigned_char_Array_0[1][1] ? (signed_short_int_Array_0[0] == ((signed short int) (signed_char_Array_0[0][1] + signed_char_Array_0[0][1]))) : (signed_short_int_Array_0[0] == ((signed short int) (signed_char_Array_0[0][1] + signed_char_Array_0[0][1])))) : (signed_short_int_Array_0[0] == ((signed short int) signed_char_Array_0[0][1])))) && (BOOL_unsigned_char_Array_0[1][1] ? (signed_char_Array_0[0][1] == ((signed char) ((signed_char_Array_0[0][0] + ((((10) < (signed_char_Array_0[1][0])) ? (10) : (signed_char_Array_0[1][0])))) + signed_char_Array_0[1][1]))) : 1)) && (BOOL_unsigned_char_Array_0[0][0] ? (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) (! BOOL_unsigned_char_Array_0[1][0]))) : (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) (! BOOL_unsigned_char_Array_0[0][1])))) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L103] EXPR (((((last_1_unsigned_char_Array_0_1_ >= (~ last_1_unsigned_char_Array_0_1_)) ? (float_Array_0[2] == ((float) (float_Array_0[1] + float_Array_0[0]))) : 1) && (BOOL_unsigned_char_Array_0[1][1] ? (BOOL_unsigned_char_Array_0[1][1] ? (signed_short_int_Array_0[0] == ((signed short int) (signed_char_Array_0[0][1] + signed_char_Array_0[0][1]))) : (signed_short_int_Array_0[0] == ((signed short int) (signed_char_Array_0[0][1] + signed_char_Array_0[0][1])))) : (signed_short_int_Array_0[0] == ((signed short int) signed_char_Array_0[0][1])))) && (BOOL_unsigned_char_Array_0[1][1] ? (signed_char_Array_0[0][1] == ((signed char) ((signed_char_Array_0[0][0] + ((((10) < (signed_char_Array_0[1][0])) ? (10) : (signed_char_Array_0[1][0])))) + signed_char_Array_0[1][1]))) : 1)) && (BOOL_unsigned_char_Array_0[0][0] ? (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) (! BOOL_unsigned_char_Array_0[1][0]))) : (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) (! BOOL_unsigned_char_Array_0[0][1]))))) && ((BOOL_unsigned_char_Array_0[0][1] && ((float_Array_0[2] * float_Array_0[0]) >= float_Array_0[1])) ? (unsigned_char_Array_0[1] == ((unsigned char) (2 + ((unsigned_char_Array_0[2] - unsigned_char_Array_0[0]) + 32)))) : (unsigned_char_Array_0[1] == ((unsigned char) unsigned_char_Array_0[2]))) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L103] EXPR (((((last_1_unsigned_char_Array_0_1_ >= (~ last_1_unsigned_char_Array_0_1_)) ? (float_Array_0[2] == ((float) (float_Array_0[1] + float_Array_0[0]))) : 1) && (BOOL_unsigned_char_Array_0[1][1] ? (BOOL_unsigned_char_Array_0[1][1] ? (signed_short_int_Array_0[0] == ((signed short int) (signed_char_Array_0[0][1] + signed_char_Array_0[0][1]))) : (signed_short_int_Array_0[0] == ((signed short int) (signed_char_Array_0[0][1] + signed_char_Array_0[0][1])))) : (signed_short_int_Array_0[0] == ((signed short int) signed_char_Array_0[0][1])))) && (BOOL_unsigned_char_Array_0[1][1] ? (signed_char_Array_0[0][1] == ((signed char) ((signed_char_Array_0[0][0] + ((((10) < (signed_char_Array_0[1][0])) ? (10) : (signed_char_Array_0[1][0])))) + signed_char_Array_0[1][1]))) : 1)) && (BOOL_unsigned_char_Array_0[0][0] ? (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) (! BOOL_unsigned_char_Array_0[1][0]))) : (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) (! BOOL_unsigned_char_Array_0[0][1]))))) && ((BOOL_unsigned_char_Array_0[0][1] && ((float_Array_0[2] * float_Array_0[0]) >= float_Array_0[1])) ? (unsigned_char_Array_0[1] == ((unsigned char) (2 + ((unsigned_char_Array_0[2] - unsigned_char_Array_0[0]) + 32)))) : (unsigned_char_Array_0[1] == ((unsigned char) unsigned_char_Array_0[2]))) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L103-L104] return (((((last_1_unsigned_char_Array_0_1_ >= (~ last_1_unsigned_char_Array_0_1_)) ? (float_Array_0[2] == ((float) (float_Array_0[1] + float_Array_0[0]))) : 1) && (BOOL_unsigned_char_Array_0[1][1] ? (BOOL_unsigned_char_Array_0[1][1] ? (signed_short_int_Array_0[0] == ((signed short int) (signed_char_Array_0[0][1] + signed_char_Array_0[0][1]))) : (signed_short_int_Array_0[0] == ((signed short int) (signed_char_Array_0[0][1] + signed_char_Array_0[0][1])))) : (signed_short_int_Array_0[0] == ((signed short int) signed_char_Array_0[0][1])))) && (BOOL_unsigned_char_Array_0[1][1] ? (signed_char_Array_0[0][1] == ((signed char) ((signed_char_Array_0[0][0] + ((((10) < (signed_char_Array_0[1][0])) ? (10) : (signed_char_Array_0[1][0])))) + signed_char_Array_0[1][1]))) : 1)) && (BOOL_unsigned_char_Array_0[0][0] ? (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) (! BOOL_unsigned_char_Array_0[1][0]))) : (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) (! BOOL_unsigned_char_Array_0[0][1]))))) && ((BOOL_unsigned_char_Array_0[0][1] && ((float_Array_0[2] * float_Array_0[0]) >= float_Array_0[1])) ? (unsigned_char_Array_0[1] == ((unsigned char) (2 + ((unsigned_char_Array_0[2] - unsigned_char_Array_0[0]) + 32)))) : (unsigned_char_Array_0[1] == ((unsigned char) unsigned_char_Array_0[2]))) ; [L113] RET, EXPR property() [L113] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=0, cond=0, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L19] reach_error() VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=0, cond=0, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 94 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.9s, OverallIterations: 3, TraceHistogramMax: 18, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 516 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 497 mSDsluCounter, 866 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 614 mSDsCounter, 76 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 472 IncrementalHoareTripleChecker+Invalid, 548 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 76 mSolverCounterUnsat, 252 mSDtfsCounter, 472 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 390 GetRequests, 354 SyntacticMatches, 3 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 229 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=98occurred in iteration=2, InterpolantAutomatonStates: 25, 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, 2 MinimizatonAttempts, 101 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 552 NumberOfCodeBlocks, 552 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 548 ConstructedInterpolants, 0 QuantifiedInterpolants, 3381 SizeOfPredicates, 6 NumberOfNonLiveVariables, 470 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 2322/2448 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 00:29:48,030 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03f83194-23ac-4023-99cd-ea04786a7444/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03f83194-23ac-4023-99cd-ea04786a7444/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03f83194-23ac-4023-99cd-ea04786a7444/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_03f83194-23ac-4023-99cd-ea04786a7444/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03f83194-23ac-4023-99cd-ea04786a7444/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-35.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03f83194-23ac-4023-99cd-ea04786a7444/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_03f83194-23ac-4023-99cd-ea04786a7444/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 10175ba88404a095227b7e35859de06b4a92973be853e9a8f08e99d638bebdbe --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 00:29:50,004 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 00:29:50,074 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03f83194-23ac-4023-99cd-ea04786a7444/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-29 00:29:50,079 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 00:29:50,079 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 00:29:50,103 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 00:29:50,104 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 00:29:50,104 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 00:29:50,105 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 00:29:50,105 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 00:29:50,106 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 00:29:50,107 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 00:29:50,108 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 00:29:50,108 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 00:29:50,109 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 00:29:50,109 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 00:29:50,110 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 00:29:50,111 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 00:29:50,111 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 00:29:50,112 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 00:29:50,112 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 00:29:50,113 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 00:29:50,113 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 00:29:50,114 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-29 00:29:50,114 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-29 00:29:50,115 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-29 00:29:50,115 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 00:29:50,116 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 00:29:50,116 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 00:29:50,117 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 00:29:50,117 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 00:29:50,117 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 00:29:50,118 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 00:29:50,118 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 00:29:50,118 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 00:29:50,118 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 00:29:50,119 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 00:29:50,119 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-29 00:29:50,119 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-29 00:29:50,119 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 00:29:50,119 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 00:29:50,120 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 00:29:50,120 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 00:29:50,120 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 00:29:50,120 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-29 00:29:50,121 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_03f83194-23ac-4023-99cd-ea04786a7444/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03f83194-23ac-4023-99cd-ea04786a7444/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 10175ba88404a095227b7e35859de06b4a92973be853e9a8f08e99d638bebdbe [2023-11-29 00:29:50,456 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 00:29:50,478 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 00:29:50,481 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 00:29:50,482 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 00:29:50,483 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 00:29:50,484 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03f83194-23ac-4023-99cd-ea04786a7444/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-35.i [2023-11-29 00:29:53,352 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 00:29:53,580 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 00:29:53,580 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03f83194-23ac-4023-99cd-ea04786a7444/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-35.i [2023-11-29 00:29:53,589 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03f83194-23ac-4023-99cd-ea04786a7444/bin/uautomizer-verify-BQ2R08f2Ya/data/fd7309458/377ded7c8a1b4c9eb4499cc88440c3a1/FLAGfb5b567ee [2023-11-29 00:29:53,605 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03f83194-23ac-4023-99cd-ea04786a7444/bin/uautomizer-verify-BQ2R08f2Ya/data/fd7309458/377ded7c8a1b4c9eb4499cc88440c3a1 [2023-11-29 00:29:53,607 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 00:29:53,609 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 00:29:53,611 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 00:29:53,611 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 00:29:53,616 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 00:29:53,617 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 12:29:53" (1/1) ... [2023-11-29 00:29:53,618 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@374e367e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:29:53, skipping insertion in model container [2023-11-29 00:29:53,618 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 12:29:53" (1/1) ... [2023-11-29 00:29:53,647 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 00:29:53,793 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_03f83194-23ac-4023-99cd-ea04786a7444/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-35.i[916,929] [2023-11-29 00:29:53,857 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 00:29:53,874 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 00:29:53,888 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_03f83194-23ac-4023-99cd-ea04786a7444/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-35.i[916,929] [2023-11-29 00:29:53,933 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 00:29:53,956 INFO L206 MainTranslator]: Completed translation [2023-11-29 00:29:53,956 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:29:53 WrapperNode [2023-11-29 00:29:53,956 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 00:29:53,957 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 00:29:53,958 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 00:29:53,958 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 00:29:53,965 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:29:53" (1/1) ... [2023-11-29 00:29:53,982 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:29:53" (1/1) ... [2023-11-29 00:29:54,021 INFO L138 Inliner]: procedures = 33, calls = 152, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 371 [2023-11-29 00:29:54,022 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 00:29:54,023 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 00:29:54,023 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 00:29:54,023 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 00:29:54,035 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:29:53" (1/1) ... [2023-11-29 00:29:54,036 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:29:53" (1/1) ... [2023-11-29 00:29:54,045 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:29:53" (1/1) ... [2023-11-29 00:29:54,067 INFO L175 MemorySlicer]: Split 118 memory accesses to 6 slices as follows [2, 31, 25, 33, 7, 20]. 28 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 4, 3, 4, 1, 3]. The 19 writes are split as follows [0, 5, 3, 4, 3, 4]. [2023-11-29 00:29:54,067 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:29:53" (1/1) ... [2023-11-29 00:29:54,068 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:29:53" (1/1) ... [2023-11-29 00:29:54,094 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:29:53" (1/1) ... [2023-11-29 00:29:54,099 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:29:53" (1/1) ... [2023-11-29 00:29:54,104 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:29:53" (1/1) ... [2023-11-29 00:29:54,108 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:29:53" (1/1) ... [2023-11-29 00:29:54,116 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 00:29:54,117 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 00:29:54,117 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 00:29:54,118 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 00:29:54,118 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:29:53" (1/1) ... [2023-11-29 00:29:54,124 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 00:29:54,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03f83194-23ac-4023-99cd-ea04786a7444/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:29:54,146 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03f83194-23ac-4023-99cd-ea04786a7444/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 00:29:54,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03f83194-23ac-4023-99cd-ea04786a7444/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 00:29:54,176 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 00:29:54,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2023-11-29 00:29:54,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2023-11-29 00:29:54,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2023-11-29 00:29:54,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2023-11-29 00:29:54,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2023-11-29 00:29:54,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2023-11-29 00:29:54,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#0 [2023-11-29 00:29:54,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#1 [2023-11-29 00:29:54,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#2 [2023-11-29 00:29:54,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#3 [2023-11-29 00:29:54,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#4 [2023-11-29 00:29:54,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#5 [2023-11-29 00:29:54,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-29 00:29:54,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2023-11-29 00:29:54,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2023-11-29 00:29:54,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2023-11-29 00:29:54,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2023-11-29 00:29:54,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2023-11-29 00:29:54,190 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2023-11-29 00:29:54,190 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2023-11-29 00:29:54,190 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2023-11-29 00:29:54,191 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2023-11-29 00:29:54,191 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2023-11-29 00:29:54,191 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5 [2023-11-29 00:29:54,191 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#0 [2023-11-29 00:29:54,191 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#1 [2023-11-29 00:29:54,191 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#2 [2023-11-29 00:29:54,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#3 [2023-11-29 00:29:54,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#4 [2023-11-29 00:29:54,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#5 [2023-11-29 00:29:54,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2023-11-29 00:29:54,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2023-11-29 00:29:54,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2023-11-29 00:29:54,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2023-11-29 00:29:54,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4 [2023-11-29 00:29:54,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5 [2023-11-29 00:29:54,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0 [2023-11-29 00:29:54,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1 [2023-11-29 00:29:54,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#2 [2023-11-29 00:29:54,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#3 [2023-11-29 00:29:54,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#4 [2023-11-29 00:29:54,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#5 [2023-11-29 00:29:54,196 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 00:29:54,196 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 00:29:54,196 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 00:29:54,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 00:29:54,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2023-11-29 00:29:54,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2023-11-29 00:29:54,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2023-11-29 00:29:54,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2023-11-29 00:29:54,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2023-11-29 00:29:54,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2023-11-29 00:29:54,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#0 [2023-11-29 00:29:54,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#1 [2023-11-29 00:29:54,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#2 [2023-11-29 00:29:54,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#3 [2023-11-29 00:29:54,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#4 [2023-11-29 00:29:54,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#5 [2023-11-29 00:29:54,362 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 00:29:54,364 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 00:29:55,627 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 00:29:55,669 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 00:29:55,669 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 00:29:55,670 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 12:29:55 BoogieIcfgContainer [2023-11-29 00:29:55,670 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 00:29:55,673 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 00:29:55,673 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 00:29:55,676 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 00:29:55,677 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 12:29:53" (1/3) ... [2023-11-29 00:29:55,677 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a55caee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 12:29:55, skipping insertion in model container [2023-11-29 00:29:55,678 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:29:53" (2/3) ... [2023-11-29 00:29:55,678 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a55caee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 12:29:55, skipping insertion in model container [2023-11-29 00:29:55,678 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 12:29:55" (3/3) ... [2023-11-29 00:29:55,680 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-35.i [2023-11-29 00:29:55,699 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 00:29:55,700 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 00:29:55,768 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 00:29:55,776 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;@54f48c8b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 00:29:55,776 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 00:29:55,780 INFO L276 IsEmpty]: Start isEmpty. Operand has 94 states, 73 states have (on average 1.4109589041095891) internal successors, (103), 74 states have internal predecessors, (103), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-29 00:29:55,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2023-11-29 00:29:55,796 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:29:55,797 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:29:55,798 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:29:55,803 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:29:55,804 INFO L85 PathProgramCache]: Analyzing trace with hash 1472631863, now seen corresponding path program 1 times [2023-11-29 00:29:55,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 00:29:55,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [830720537] [2023-11-29 00:29:55,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:29:55,820 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 00:29:55,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03f83194-23ac-4023-99cd-ea04786a7444/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 00:29:55,823 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03f83194-23ac-4023-99cd-ea04786a7444/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 00:29:55,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03f83194-23ac-4023-99cd-ea04786a7444/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 00:29:56,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:29:56,281 INFO L262 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-29 00:29:56,292 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:29:56,337 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 314 proven. 0 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2023-11-29 00:29:56,337 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:29:56,338 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 00:29:56,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [830720537] [2023-11-29 00:29:56,339 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [830720537] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:29:56,339 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:29:56,340 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 00:29:56,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867615741] [2023-11-29 00:29:56,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:29:56,348 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 00:29:56,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 00:29:56,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 00:29:56,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 00:29:56,383 INFO L87 Difference]: Start difference. First operand has 94 states, 73 states have (on average 1.4109589041095891) internal successors, (103), 74 states have internal predecessors, (103), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-11-29 00:29:56,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:29:56,440 INFO L93 Difference]: Finished difference Result 185 states and 294 transitions. [2023-11-29 00:29:56,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 00:29:56,444 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 138 [2023-11-29 00:29:56,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:29:56,454 INFO L225 Difference]: With dead ends: 185 [2023-11-29 00:29:56,454 INFO L226 Difference]: Without dead ends: 92 [2023-11-29 00:29:56,459 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 137 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 00:29:56,470 INFO L413 NwaCegarLoop]: 129 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, 129 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 00:29:56,471 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 129 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 00:29:56,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2023-11-29 00:29:56,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2023-11-29 00:29:56,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 72 states have (on average 1.3472222222222223) internal successors, (97), 72 states have internal predecessors, (97), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-29 00:29:56,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 133 transitions. [2023-11-29 00:29:56,523 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 133 transitions. Word has length 138 [2023-11-29 00:29:56,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:29:56,524 INFO L495 AbstractCegarLoop]: Abstraction has 92 states and 133 transitions. [2023-11-29 00:29:56,524 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-11-29 00:29:56,525 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 133 transitions. [2023-11-29 00:29:56,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2023-11-29 00:29:56,528 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:29:56,529 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:29:56,541 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03f83194-23ac-4023-99cd-ea04786a7444/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 00:29:56,732 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03f83194-23ac-4023-99cd-ea04786a7444/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 00:29:56,733 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:29:56,733 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:29:56,734 INFO L85 PathProgramCache]: Analyzing trace with hash -1971331881, now seen corresponding path program 1 times [2023-11-29 00:29:56,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 00:29:56,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [233057395] [2023-11-29 00:29:56,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:29:56,735 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 00:29:56,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03f83194-23ac-4023-99cd-ea04786a7444/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 00:29:56,737 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03f83194-23ac-4023-99cd-ea04786a7444/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 00:29:56,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03f83194-23ac-4023-99cd-ea04786a7444/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 00:29:57,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:29:57,295 INFO L262 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-29 00:29:57,301 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:29:57,341 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 00:29:57,607 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 00:29:59,779 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 79 treesize of output 59 [2023-11-29 00:29:59,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 00:29:59,799 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:29:59,800 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 59 treesize of output 87 [2023-11-29 00:30:00,001 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:30:00,001 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 41 treesize of output 17 [2023-11-29 00:30:00,057 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 201 proven. 42 refuted. 0 times theorem prover too weak. 369 trivial. 0 not checked. [2023-11-29 00:30:00,057 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:30:00,835 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 9 proven. 42 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2023-11-29 00:30:00,836 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 00:30:00,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [233057395] [2023-11-29 00:30:00,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [233057395] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 00:30:00,836 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 00:30:00,837 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8] total 16 [2023-11-29 00:30:00,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915952329] [2023-11-29 00:30:00,837 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 00:30:00,840 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-11-29 00:30:00,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 00:30:00,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-11-29 00:30:00,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=180, Unknown=0, NotChecked=0, Total=240 [2023-11-29 00:30:00,842 INFO L87 Difference]: Start difference. First operand 92 states and 133 transitions. Second operand has 16 states, 14 states have (on average 6.642857142857143) internal successors, (93), 15 states have internal predecessors, (93), 6 states have call successors, (34), 3 states have call predecessors, (34), 5 states have return successors, (34), 5 states have call predecessors, (34), 6 states have call successors, (34) [2023-11-29 00:30:04,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:30:04,105 INFO L93 Difference]: Finished difference Result 296 states and 416 transitions. [2023-11-29 00:30:04,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-11-29 00:30:04,107 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 14 states have (on average 6.642857142857143) internal successors, (93), 15 states have internal predecessors, (93), 6 states have call successors, (34), 3 states have call predecessors, (34), 5 states have return successors, (34), 5 states have call predecessors, (34), 6 states have call successors, (34) Word has length 138 [2023-11-29 00:30:04,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:30:04,111 INFO L225 Difference]: With dead ends: 296 [2023-11-29 00:30:04,111 INFO L226 Difference]: Without dead ends: 205 [2023-11-29 00:30:04,113 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 294 GetRequests, 261 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 230 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=303, Invalid=887, Unknown=0, NotChecked=0, Total=1190 [2023-11-29 00:30:04,115 INFO L413 NwaCegarLoop]: 123 mSDtfsCounter, 200 mSDsluCounter, 700 mSDsCounter, 0 mSdLazyCounter, 508 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 205 SdHoareTripleChecker+Valid, 823 SdHoareTripleChecker+Invalid, 562 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 508 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-11-29 00:30:04,116 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [205 Valid, 823 Invalid, 562 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 508 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2023-11-29 00:30:04,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2023-11-29 00:30:04,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 187. [2023-11-29 00:30:04,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 145 states have (on average 1.3172413793103448) internal successors, (191), 146 states have internal predecessors, (191), 36 states have call successors, (36), 5 states have call predecessors, (36), 5 states have return successors, (36), 35 states have call predecessors, (36), 36 states have call successors, (36) [2023-11-29 00:30:04,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 263 transitions. [2023-11-29 00:30:04,155 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 263 transitions. Word has length 138 [2023-11-29 00:30:04,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:30:04,157 INFO L495 AbstractCegarLoop]: Abstraction has 187 states and 263 transitions. [2023-11-29 00:30:04,157 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 14 states have (on average 6.642857142857143) internal successors, (93), 15 states have internal predecessors, (93), 6 states have call successors, (34), 3 states have call predecessors, (34), 5 states have return successors, (34), 5 states have call predecessors, (34), 6 states have call successors, (34) [2023-11-29 00:30:04,157 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 263 transitions. [2023-11-29 00:30:04,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2023-11-29 00:30:04,160 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:30:04,161 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:30:04,170 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03f83194-23ac-4023-99cd-ea04786a7444/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 00:30:04,361 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03f83194-23ac-4023-99cd-ea04786a7444/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 00:30:04,361 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:30:04,362 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:30:04,362 INFO L85 PathProgramCache]: Analyzing trace with hash 329490709, now seen corresponding path program 1 times [2023-11-29 00:30:04,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 00:30:04,363 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1011316420] [2023-11-29 00:30:04,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:30:04,363 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 00:30:04,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03f83194-23ac-4023-99cd-ea04786a7444/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 00:30:04,364 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03f83194-23ac-4023-99cd-ea04786a7444/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 00:30:04,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03f83194-23ac-4023-99cd-ea04786a7444/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 00:30:04,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:30:04,930 INFO L262 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 33 conjunts are in the unsatisfiable core [2023-11-29 00:30:04,940 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:30:05,446 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-29 00:30:06,369 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 68 treesize of output 32 [2023-11-29 00:30:11,157 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:30:11,158 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 200 treesize of output 107 [2023-11-29 00:30:13,909 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 15 [2023-11-29 00:30:13,962 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:30:13,963 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 335 treesize of output 131 [2023-11-29 00:30:19,290 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 292 proven. 72 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2023-11-29 00:30:19,290 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:30:43,051 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse5 (select |c_#memory_int#2| |c_~#float_Array_0~0.base|))) (let ((.cse3 (let ((.cse6 (select .cse5 (bvadd (_ bv4 32) |c_~#float_Array_0~0.offset|)))) (fp ((_ extract 31 31) .cse6) ((_ extract 30 23) .cse6) ((_ extract 22 0) .cse6)))) (.cse2 (let ((.cse4 (select .cse5 |c_~#float_Array_0~0.offset|))) (fp ((_ extract 31 31) .cse4) ((_ extract 30 23) .cse4) ((_ extract 22 0) .cse4))))) (let ((.cse0 (fp.add c_currentRoundingMode .cse3 .cse2))) (and (or (forall ((|v_skolemized_q#valueAsBitvector_21| (_ BitVec 32))) (not (= .cse0 (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_21|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_21|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_21|))))) (not (= ((_ extract 7 0) (select (select |c_#memory_int#1| |c_~#BOOL_unsigned_char_Array_0~0.base|) (bvadd |c_~#BOOL_unsigned_char_Array_0~0.offset| (_ bv1 32)))) (_ bv0 8)))) (forall ((|v_skolemized_q#valueAsBitvector_21| (_ BitVec 32))) (let ((.cse1 (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_21|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_21|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_21|)))) (or (fp.geq (fp.mul c_currentRoundingMode .cse1 .cse2) .cse3) (not (= .cse0 .cse1))))))))) is different from false [2023-11-29 00:30:53,551 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 00:30:53,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1011316420] [2023-11-29 00:30:53,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1011316420] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 00:30:53,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1716108318] [2023-11-29 00:30:53,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:30:53,552 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-29 00:30:53,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03f83194-23ac-4023-99cd-ea04786a7444/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 [2023-11-29 00:30:53,554 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03f83194-23ac-4023-99cd-ea04786a7444/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-29 00:30:53,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03f83194-23ac-4023-99cd-ea04786a7444/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-11-29 00:30:55,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:30:55,043 INFO L262 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 43 conjunts are in the unsatisfiable core [2023-11-29 00:30:55,053 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:31:04,926 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 00:31:13,678 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 64 treesize of output 32 [2023-11-29 00:31:39,023 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:31:39,024 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 172 treesize of output 99 [2023-11-29 00:32:00,386 WARN L293 SmtUtils]: Spent 5.15s on a formula simplification that was a NOOP. DAG size: 24 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 00:32:42,474 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 25 treesize of output 24 [2023-11-29 00:32:47,645 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:32:47,646 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 31 treesize of output 13 [2023-11-29 00:32:54,733 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 311 proven. 36 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked. [2023-11-29 00:32:54,734 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:35:22,632 WARN L293 SmtUtils]: Spent 6.44s on a formula simplification that was a NOOP. DAG size: 40 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-29 00:35:33,578 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1716108318] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 00:35:33,578 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 00:35:33,578 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 19] total 38 [2023-11-29 00:35:33,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717466578] [2023-11-29 00:35:33,579 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 00:35:33,580 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2023-11-29 00:35:33,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 00:35:33,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2023-11-29 00:35:33,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=214, Invalid=1945, Unknown=7, NotChecked=90, Total=2256 [2023-11-29 00:35:33,582 INFO L87 Difference]: Start difference. First operand 187 states and 263 transitions. Second operand has 39 states, 36 states have (on average 3.0) internal successors, (108), 35 states have internal predecessors, (108), 9 states have call successors, (36), 7 states have call predecessors, (36), 9 states have return successors, (36), 9 states have call predecessors, (36), 9 states have call successors, (36) [2023-11-29 00:38:57,827 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 00:39:21,502 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 00:39:24,121 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 00:40:03,709 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 00:40:12,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:40:12,815 INFO L93 Difference]: Finished difference Result 879 states and 1199 transitions. [2023-11-29 00:40:12,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-11-29 00:40:12,817 INFO L78 Accepts]: Start accepts. Automaton has has 39 states, 36 states have (on average 3.0) internal successors, (108), 35 states have internal predecessors, (108), 9 states have call successors, (36), 7 states have call predecessors, (36), 9 states have return successors, (36), 9 states have call predecessors, (36), 9 states have call successors, (36) Word has length 138 [2023-11-29 00:40:12,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:40:12,824 INFO L225 Difference]: With dead ends: 879 [2023-11-29 00:40:12,824 INFO L226 Difference]: Without dead ends: 693 [2023-11-29 00:40:12,828 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 355 GetRequests, 276 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 1472 ImplicationChecksByTransitivity, 387.9s TimeCoverageRelationStatistics Valid=765, Invalid=5552, Unknown=7, NotChecked=156, Total=6480 [2023-11-29 00:40:12,829 INFO L413 NwaCegarLoop]: 84 mSDtfsCounter, 832 mSDsluCounter, 1899 mSDsCounter, 0 mSdLazyCounter, 2924 mSolverCounterSat, 308 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 125.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 832 SdHoareTripleChecker+Valid, 1983 SdHoareTripleChecker+Invalid, 3232 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 308 IncrementalHoareTripleChecker+Valid, 2924 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 129.6s IncrementalHoareTripleChecker+Time [2023-11-29 00:40:12,829 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [832 Valid, 1983 Invalid, 3232 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [308 Valid, 2924 Invalid, 0 Unknown, 0 Unchecked, 129.6s Time] [2023-11-29 00:40:12,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 693 states. [2023-11-29 00:40:12,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 693 to 456. [2023-11-29 00:40:12,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 456 states, 353 states have (on average 1.3144475920679888) internal successors, (464), 359 states have internal predecessors, (464), 88 states have call successors, (88), 14 states have call predecessors, (88), 14 states have return successors, (88), 82 states have call predecessors, (88), 88 states have call successors, (88) [2023-11-29 00:40:12,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 456 states and 640 transitions. [2023-11-29 00:40:12,909 INFO L78 Accepts]: Start accepts. Automaton has 456 states and 640 transitions. Word has length 138 [2023-11-29 00:40:12,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:40:12,910 INFO L495 AbstractCegarLoop]: Abstraction has 456 states and 640 transitions. [2023-11-29 00:40:12,910 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 36 states have (on average 3.0) internal successors, (108), 35 states have internal predecessors, (108), 9 states have call successors, (36), 7 states have call predecessors, (36), 9 states have return successors, (36), 9 states have call predecessors, (36), 9 states have call successors, (36) [2023-11-29 00:40:12,910 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states and 640 transitions. [2023-11-29 00:40:12,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2023-11-29 00:40:12,914 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:40:12,915 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:40:12,923 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03f83194-23ac-4023-99cd-ea04786a7444/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 00:40:13,123 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03f83194-23ac-4023-99cd-ea04786a7444/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-11-29 00:40:13,316 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03f83194-23ac-4023-99cd-ea04786a7444/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03f83194-23ac-4023-99cd-ea04786a7444/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt [2023-11-29 00:40:13,317 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:40:13,317 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:40:13,317 INFO L85 PathProgramCache]: Analyzing trace with hash 1147139159, now seen corresponding path program 1 times [2023-11-29 00:40:13,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 00:40:13,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [536702298] [2023-11-29 00:40:13,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:40:13,318 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 00:40:13,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03f83194-23ac-4023-99cd-ea04786a7444/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 00:40:13,319 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03f83194-23ac-4023-99cd-ea04786a7444/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 00:40:13,321 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03f83194-23ac-4023-99cd-ea04786a7444/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 00:40:28,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:40:28,334 INFO L262 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 30 conjunts are in the unsatisfiable core [2023-11-29 00:40:28,340 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:40:30,670 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 00:40:35,095 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 68 treesize of output 32 [2023-11-29 00:41:00,094 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:41:00,094 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 200 treesize of output 107 [2023-11-29 00:41:55,209 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:41:55,209 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 335 treesize of output 131 [2023-11-29 00:41:58,347 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 332 proven. 0 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2023-11-29 00:41:58,348 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:41:58,348 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 00:41:58,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [536702298] [2023-11-29 00:41:58,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [536702298] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:41:58,349 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:41:58,349 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2023-11-29 00:41:58,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633899110] [2023-11-29 00:41:58,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:41:58,350 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-11-29 00:41:58,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 00:41:58,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-11-29 00:41:58,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210 [2023-11-29 00:41:58,351 INFO L87 Difference]: Start difference. First operand 456 states and 640 transitions. Second operand has 15 states, 15 states have (on average 3.8) internal successors, (57), 14 states have internal predecessors, (57), 3 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2023-11-29 00:42:26,296 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 00:42:38,483 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 00:42:53,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:42:53,977 INFO L93 Difference]: Finished difference Result 1182 states and 1609 transitions. [2023-11-29 00:42:53,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-11-29 00:42:53,978 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.8) internal successors, (57), 14 states have internal predecessors, (57), 3 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 138 [2023-11-29 00:42:53,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:42:53,985 INFO L225 Difference]: With dead ends: 1182 [2023-11-29 00:42:53,985 INFO L226 Difference]: Without dead ends: 727 [2023-11-29 00:42:53,987 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 40.5s TimeCoverageRelationStatistics Valid=111, Invalid=441, Unknown=0, NotChecked=0, Total=552 [2023-11-29 00:42:53,988 INFO L413 NwaCegarLoop]: 178 mSDtfsCounter, 510 mSDsluCounter, 1379 mSDsCounter, 0 mSdLazyCounter, 943 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 43.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 514 SdHoareTripleChecker+Valid, 1557 SdHoareTripleChecker+Invalid, 960 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 943 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 44.9s IncrementalHoareTripleChecker+Time [2023-11-29 00:42:53,989 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [514 Valid, 1557 Invalid, 960 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 943 Invalid, 0 Unknown, 0 Unchecked, 44.9s Time] [2023-11-29 00:42:53,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 727 states. [2023-11-29 00:42:54,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 727 to 467. [2023-11-29 00:42:54,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 467 states, 364 states have (on average 1.3104395604395604) internal successors, (477), 370 states have internal predecessors, (477), 88 states have call successors, (88), 14 states have call predecessors, (88), 14 states have return successors, (88), 82 states have call predecessors, (88), 88 states have call successors, (88) [2023-11-29 00:42:54,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 467 states and 653 transitions. [2023-11-29 00:42:54,054 INFO L78 Accepts]: Start accepts. Automaton has 467 states and 653 transitions. Word has length 138 [2023-11-29 00:42:54,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:42:54,054 INFO L495 AbstractCegarLoop]: Abstraction has 467 states and 653 transitions. [2023-11-29 00:42:54,055 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.8) internal successors, (57), 14 states have internal predecessors, (57), 3 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2023-11-29 00:42:54,055 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 653 transitions. [2023-11-29 00:42:54,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2023-11-29 00:42:54,058 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:42:54,058 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:42:54,070 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03f83194-23ac-4023-99cd-ea04786a7444/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 00:42:54,258 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03f83194-23ac-4023-99cd-ea04786a7444/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 00:42:54,259 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:42:54,259 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:42:54,259 INFO L85 PathProgramCache]: Analyzing trace with hash 548345427, now seen corresponding path program 1 times [2023-11-29 00:42:54,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 00:42:54,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [233403827] [2023-11-29 00:42:54,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:42:54,260 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 00:42:54,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03f83194-23ac-4023-99cd-ea04786a7444/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 00:42:54,262 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03f83194-23ac-4023-99cd-ea04786a7444/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 00:42:54,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03f83194-23ac-4023-99cd-ea04786a7444/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 00:42:54,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:42:54,613 INFO L262 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 00:42:54,617 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:42:54,797 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2023-11-29 00:42:54,798 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:42:54,798 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 00:42:54,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [233403827] [2023-11-29 00:42:54,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [233403827] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:42:54,798 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:42:54,798 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 00:42:54,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995155426] [2023-11-29 00:42:54,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:42:54,799 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:42:54,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 00:42:54,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:42:54,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:42:54,801 INFO L87 Difference]: Start difference. First operand 467 states and 653 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2023-11-29 00:42:55,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:42:55,383 INFO L93 Difference]: Finished difference Result 892 states and 1244 transitions. [2023-11-29 00:42:55,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:42:55,384 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 138 [2023-11-29 00:42:55,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:42:55,389 INFO L225 Difference]: With dead ends: 892 [2023-11-29 00:42:55,389 INFO L226 Difference]: Without dead ends: 426 [2023-11-29 00:42:55,391 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:42:55,392 INFO L413 NwaCegarLoop]: 127 mSDtfsCounter, 18 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 235 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-29 00:42:55,392 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 235 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-29 00:42:55,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 426 states. [2023-11-29 00:42:55,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 426 to 401. [2023-11-29 00:42:55,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 401 states, 312 states have (on average 1.294871794871795) internal successors, (404), 316 states have internal predecessors, (404), 75 states have call successors, (75), 13 states have call predecessors, (75), 13 states have return successors, (75), 71 states have call predecessors, (75), 75 states have call successors, (75) [2023-11-29 00:42:55,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 554 transitions. [2023-11-29 00:42:55,470 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 554 transitions. Word has length 138 [2023-11-29 00:42:55,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:42:55,470 INFO L495 AbstractCegarLoop]: Abstraction has 401 states and 554 transitions. [2023-11-29 00:42:55,471 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2023-11-29 00:42:55,471 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 554 transitions. [2023-11-29 00:42:55,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2023-11-29 00:42:55,473 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:42:55,474 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:42:55,484 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03f83194-23ac-4023-99cd-ea04786a7444/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 00:42:55,674 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03f83194-23ac-4023-99cd-ea04786a7444/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 00:42:55,674 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:42:55,675 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:42:55,675 INFO L85 PathProgramCache]: Analyzing trace with hash -1611091305, now seen corresponding path program 1 times [2023-11-29 00:42:55,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 00:42:55,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1073829797] [2023-11-29 00:42:55,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:42:55,675 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 00:42:55,676 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03f83194-23ac-4023-99cd-ea04786a7444/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 00:42:55,676 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03f83194-23ac-4023-99cd-ea04786a7444/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 00:42:55,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03f83194-23ac-4023-99cd-ea04786a7444/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 00:42:56,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:42:56,059 INFO L262 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 00:42:56,061 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:42:56,418 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 308 proven. 0 refuted. 0 times theorem prover too weak. 304 trivial. 0 not checked. [2023-11-29 00:42:56,418 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:42:56,418 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 00:42:56,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1073829797] [2023-11-29 00:42:56,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1073829797] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:42:56,419 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:42:56,419 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 00:42:56,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844928572] [2023-11-29 00:42:56,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:42:56,420 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 00:42:56,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 00:42:56,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 00:42:56,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 00:42:56,421 INFO L87 Difference]: Start difference. First operand 401 states and 554 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-11-29 00:42:57,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:42:57,304 INFO L93 Difference]: Finished difference Result 821 states and 1137 transitions. [2023-11-29 00:42:57,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 00:42:57,305 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 138 [2023-11-29 00:42:57,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:42:57,309 INFO L225 Difference]: With dead ends: 821 [2023-11-29 00:42:57,309 INFO L226 Difference]: Without dead ends: 421 [2023-11-29 00:42:57,311 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 00:42:57,312 INFO L413 NwaCegarLoop]: 134 mSDtfsCounter, 7 mSDsluCounter, 247 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 381 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-29 00:42:57,312 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 381 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-29 00:42:57,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2023-11-29 00:42:57,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 405. [2023-11-29 00:42:57,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 405 states, 316 states have (on average 1.2848101265822784) internal successors, (406), 320 states have internal predecessors, (406), 75 states have call successors, (75), 13 states have call predecessors, (75), 13 states have return successors, (75), 71 states have call predecessors, (75), 75 states have call successors, (75) [2023-11-29 00:42:57,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 556 transitions. [2023-11-29 00:42:57,368 INFO L78 Accepts]: Start accepts. Automaton has 405 states and 556 transitions. Word has length 138 [2023-11-29 00:42:57,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:42:57,369 INFO L495 AbstractCegarLoop]: Abstraction has 405 states and 556 transitions. [2023-11-29 00:42:57,369 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-11-29 00:42:57,369 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 556 transitions. [2023-11-29 00:42:57,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2023-11-29 00:42:57,372 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:42:57,372 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:42:57,381 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03f83194-23ac-4023-99cd-ea04786a7444/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 00:42:57,572 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03f83194-23ac-4023-99cd-ea04786a7444/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 00:42:57,573 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:42:57,573 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:42:57,573 INFO L85 PathProgramCache]: Analyzing trace with hash -2067979821, now seen corresponding path program 1 times [2023-11-29 00:42:57,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 00:42:57,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1151839255] [2023-11-29 00:42:57,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:42:57,574 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 00:42:57,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03f83194-23ac-4023-99cd-ea04786a7444/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 00:42:57,575 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03f83194-23ac-4023-99cd-ea04786a7444/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 00:42:57,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03f83194-23ac-4023-99cd-ea04786a7444/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 00:42:57,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:42:57,916 INFO L262 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 00:42:57,918 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:42:58,285 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 288 proven. 0 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2023-11-29 00:42:58,286 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:42:58,286 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 00:42:58,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1151839255] [2023-11-29 00:42:58,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1151839255] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:42:58,286 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:42:58,287 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 00:42:58,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099106536] [2023-11-29 00:42:58,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:42:58,288 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 00:42:58,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 00:42:58,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 00:42:58,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 00:42:58,289 INFO L87 Difference]: Start difference. First operand 405 states and 556 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-11-29 00:42:59,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:42:59,181 INFO L93 Difference]: Finished difference Result 817 states and 1123 transitions. [2023-11-29 00:42:59,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 00:42:59,181 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 138 [2023-11-29 00:42:59,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:42:59,185 INFO L225 Difference]: With dead ends: 817 [2023-11-29 00:42:59,185 INFO L226 Difference]: Without dead ends: 413 [2023-11-29 00:42:59,187 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 00:42:59,188 INFO L413 NwaCegarLoop]: 134 mSDtfsCounter, 7 mSDsluCounter, 247 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 381 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-29 00:42:59,188 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 381 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-29 00:42:59,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2023-11-29 00:42:59,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 405. [2023-11-29 00:42:59,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 405 states, 316 states have (on average 1.2784810126582278) internal successors, (404), 320 states have internal predecessors, (404), 75 states have call successors, (75), 13 states have call predecessors, (75), 13 states have return successors, (75), 71 states have call predecessors, (75), 75 states have call successors, (75) [2023-11-29 00:42:59,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 554 transitions. [2023-11-29 00:42:59,266 INFO L78 Accepts]: Start accepts. Automaton has 405 states and 554 transitions. Word has length 138 [2023-11-29 00:42:59,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:42:59,267 INFO L495 AbstractCegarLoop]: Abstraction has 405 states and 554 transitions. [2023-11-29 00:42:59,267 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-11-29 00:42:59,267 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 554 transitions. [2023-11-29 00:42:59,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2023-11-29 00:42:59,270 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:42:59,270 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:42:59,282 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03f83194-23ac-4023-99cd-ea04786a7444/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 00:42:59,471 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03f83194-23ac-4023-99cd-ea04786a7444/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 00:42:59,472 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:42:59,472 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:42:59,472 INFO L85 PathProgramCache]: Analyzing trace with hash -568114555, now seen corresponding path program 1 times [2023-11-29 00:42:59,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 00:42:59,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1838166019] [2023-11-29 00:42:59,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:42:59,473 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 00:42:59,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03f83194-23ac-4023-99cd-ea04786a7444/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 00:42:59,474 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03f83194-23ac-4023-99cd-ea04786a7444/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 00:42:59,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03f83194-23ac-4023-99cd-ea04786a7444/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 00:43:00,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:43:00,027 INFO L262 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-29 00:43:00,031 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:43:00,085 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 20 treesize of output 16 [2023-11-29 00:43:00,561 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 51 [2023-11-29 00:43:01,469 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2023-11-29 00:43:01,469 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:43:01,470 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 00:43:01,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1838166019] [2023-11-29 00:43:01,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1838166019] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:43:01,470 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:43:01,470 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 00:43:01,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889944091] [2023-11-29 00:43:01,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:43:01,470 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 00:43:01,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 00:43:01,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 00:43:01,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-29 00:43:01,472 INFO L87 Difference]: Start difference. First operand 405 states and 554 transitions. Second operand has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2023-11-29 00:43:06,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:43:06,956 INFO L93 Difference]: Finished difference Result 1275 states and 1750 transitions. [2023-11-29 00:43:06,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 00:43:06,957 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 140 [2023-11-29 00:43:06,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:43:06,965 INFO L225 Difference]: With dead ends: 1275 [2023-11-29 00:43:06,965 INFO L226 Difference]: Without dead ends: 871 [2023-11-29 00:43:06,967 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2023-11-29 00:43:06,967 INFO L413 NwaCegarLoop]: 230 mSDtfsCounter, 195 mSDsluCounter, 773 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 195 SdHoareTripleChecker+Valid, 1003 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2023-11-29 00:43:06,968 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [195 Valid, 1003 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2023-11-29 00:43:06,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 871 states. [2023-11-29 00:43:07,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 871 to 441. [2023-11-29 00:43:07,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 441 states, 352 states have (on average 1.2698863636363635) internal successors, (447), 356 states have internal predecessors, (447), 75 states have call successors, (75), 13 states have call predecessors, (75), 13 states have return successors, (75), 71 states have call predecessors, (75), 75 states have call successors, (75) [2023-11-29 00:43:07,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 597 transitions. [2023-11-29 00:43:07,054 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 597 transitions. Word has length 140 [2023-11-29 00:43:07,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:43:07,055 INFO L495 AbstractCegarLoop]: Abstraction has 441 states and 597 transitions. [2023-11-29 00:43:07,055 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2023-11-29 00:43:07,055 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 597 transitions. [2023-11-29 00:43:07,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2023-11-29 00:43:07,057 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:43:07,057 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:43:07,067 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03f83194-23ac-4023-99cd-ea04786a7444/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 00:43:07,258 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03f83194-23ac-4023-99cd-ea04786a7444/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 00:43:07,258 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:43:07,258 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:43:07,258 INFO L85 PathProgramCache]: Analyzing trace with hash 113974043, now seen corresponding path program 1 times [2023-11-29 00:43:07,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 00:43:07,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1804620674] [2023-11-29 00:43:07,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:43:07,259 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 00:43:07,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03f83194-23ac-4023-99cd-ea04786a7444/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 00:43:07,260 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03f83194-23ac-4023-99cd-ea04786a7444/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 00:43:07,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03f83194-23ac-4023-99cd-ea04786a7444/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 (11)] Waiting until timeout for monitored process [2023-11-29 00:43:42,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:43:42,672 INFO L262 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 41 conjunts are in the unsatisfiable core [2023-11-29 00:43:42,678 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:43:49,419 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 00:43:56,245 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 68 treesize of output 32