./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-47.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 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_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-47.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 11c0c1a04c02015c2893d5de1c86170a8e4a3f2cfab36f943ed9c0f0c4cbc28a --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 06:26:38,015 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 06:26:38,106 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 06:26:38,114 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 06:26:38,118 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 06:26:38,151 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 06:26:38,151 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 06:26:38,151 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 06:26:38,152 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 06:26:38,152 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 06:26:38,153 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 06:26:38,153 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 06:26:38,154 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 06:26:38,154 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 06:26:38,154 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 06:26:38,155 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 06:26:38,155 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 06:26:38,155 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 06:26:38,156 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 06:26:38,156 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 06:26:38,157 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 06:26:38,161 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 06:26:38,162 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 06:26:38,162 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 06:26:38,163 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 06:26:38,163 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 06:26:38,163 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 06:26:38,164 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 06:26:38,164 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 06:26:38,164 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 06:26:38,164 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 06:26:38,165 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 06:26:38,167 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 06:26:38,167 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 06:26:38,168 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 06:26:38,168 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 06:26:38,168 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 06:26:38,169 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 06:26:38,169 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:26:38,169 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 06:26:38,170 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 06:26:38,171 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 06:26:38,171 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 06:26:38,172 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 06:26:38,172 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 06:26:38,172 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 06:26:38,173 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 06:26:38,173 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 11c0c1a04c02015c2893d5de1c86170a8e4a3f2cfab36f943ed9c0f0c4cbc28a [2024-11-09 06:26:38,476 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 06:26:38,513 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 06:26:38,516 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 06:26:38,519 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 06:26:38,519 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 06:26:38,521 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-47.i Unable to find full path for "g++" [2024-11-09 06:26:40,627 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 06:26:40,936 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 06:26:40,936 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-47.i [2024-11-09 06:26:40,947 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/data/9e35c247c/2982c447245e445ab6d491fd2a451409/FLAGfd679879d [2024-11-09 06:26:41,193 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/data/9e35c247c/2982c447245e445ab6d491fd2a451409 [2024-11-09 06:26:41,196 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 06:26:41,198 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 06:26:41,199 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 06:26:41,200 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 06:26:41,208 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 06:26:41,209 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:26:41" (1/1) ... [2024-11-09 06:26:41,210 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68a0dbd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:26:41, skipping insertion in model container [2024-11-09 06:26:41,210 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:26:41" (1/1) ... [2024-11-09 06:26:41,248 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 06:26:41,451 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-47.i[917,930] [2024-11-09 06:26:41,516 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:26:41,537 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 06:26:41,559 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-47.i[917,930] [2024-11-09 06:26:41,602 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:26:41,629 INFO L204 MainTranslator]: Completed translation [2024-11-09 06:26:41,630 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:26:41 WrapperNode [2024-11-09 06:26:41,630 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 06:26:41,631 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 06:26:41,632 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 06:26:41,632 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 06:26:41,640 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:26:41" (1/1) ... [2024-11-09 06:26:41,654 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:26:41" (1/1) ... [2024-11-09 06:26:41,694 INFO L138 Inliner]: procedures = 29, calls = 139, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 465 [2024-11-09 06:26:41,695 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 06:26:41,695 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 06:26:41,696 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 06:26:41,696 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 06:26:41,707 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:26:41" (1/1) ... [2024-11-09 06:26:41,707 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:26:41" (1/1) ... [2024-11-09 06:26:41,713 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:26:41" (1/1) ... [2024-11-09 06:26:41,713 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:26:41" (1/1) ... [2024-11-09 06:26:41,729 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:26:41" (1/1) ... [2024-11-09 06:26:41,734 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:26:41" (1/1) ... [2024-11-09 06:26:41,737 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:26:41" (1/1) ... [2024-11-09 06:26:41,739 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:26:41" (1/1) ... [2024-11-09 06:26:41,743 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 06:26:41,744 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 06:26:41,745 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 06:26:41,745 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 06:26:41,746 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:26:41" (1/1) ... [2024-11-09 06:26:41,753 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:26:41,773 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:26:41,788 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 06:26:41,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 06:26:41,821 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 06:26:41,821 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-09 06:26:41,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 06:26:41,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-09 06:26:41,822 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 06:26:41,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2024-11-09 06:26:41,822 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 06:26:41,822 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 06:26:41,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 06:26:41,823 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 06:26:41,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 06:26:41,989 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 06:26:41,991 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 06:26:42,652 INFO L? ?]: Removed 130 outVars from TransFormulas that were not future-live. [2024-11-09 06:26:42,653 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 06:26:43,456 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 06:26:43,457 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 06:26:43,458 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:26:43 BoogieIcfgContainer [2024-11-09 06:26:43,458 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 06:26:43,462 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 06:26:43,463 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 06:26:43,469 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 06:26:43,470 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 06:26:41" (1/3) ... [2024-11-09 06:26:43,471 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3403e5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:26:43, skipping insertion in model container [2024-11-09 06:26:43,471 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:26:41" (2/3) ... [2024-11-09 06:26:43,472 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3403e5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:26:43, skipping insertion in model container [2024-11-09 06:26:43,473 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:26:43" (3/3) ... [2024-11-09 06:26:43,474 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-ap_file-47.i [2024-11-09 06:26:43,496 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 06:26:43,497 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 06:26:43,588 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 06:26:43,601 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=FINITE_AUTOMATA, 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;@5a4871b4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 06:26:43,602 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 06:26:43,607 INFO L276 IsEmpty]: Start isEmpty. Operand has 27 states, 15 states have (on average 1.2) internal successors, (18), 16 states have internal predecessors, (18), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-09 06:26:43,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-09 06:26:43,617 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:26:43,618 INFO L215 NwaCegarLoop]: trace histogram [9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:26:43,619 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:26:43,625 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:26:43,626 INFO L85 PathProgramCache]: Analyzing trace with hash 1313396064, now seen corresponding path program 1 times [2024-11-09 06:26:43,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:26:43,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1156110176] [2024-11-09 06:26:43,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:26:43,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:26:44,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 06:26:44,642 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 06:26:45,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 06:26:45,255 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 06:26:45,257 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 06:26:45,259 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 06:26:45,264 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 06:26:45,268 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-09 06:26:45,372 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 06:26:45,375 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 06:26:45 BoogieIcfgContainer [2024-11-09 06:26:45,375 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 06:26:45,376 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 06:26:45,376 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 06:26:45,376 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 06:26:45,376 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:26:43" (3/4) ... [2024-11-09 06:26:45,379 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 06:26:45,380 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 06:26:45,382 INFO L158 Benchmark]: Toolchain (without parser) took 4183.81ms. Allocated memory was 130.0MB in the beginning and 186.6MB in the end (delta: 56.6MB). Free memory was 97.6MB in the beginning and 119.2MB in the end (delta: -21.6MB). Peak memory consumption was 37.1MB. Max. memory is 16.1GB. [2024-11-09 06:26:45,382 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 130.0MB. Free memory is still 76.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 06:26:45,383 INFO L158 Benchmark]: CACSL2BoogieTranslator took 431.28ms. Allocated memory is still 130.0MB. Free memory was 97.6MB in the beginning and 82.0MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-09 06:26:45,384 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.32ms. Allocated memory is still 130.0MB. Free memory was 82.0MB in the beginning and 78.8MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 06:26:45,385 INFO L158 Benchmark]: Boogie Preprocessor took 48.25ms. Allocated memory is still 130.0MB. Free memory was 78.8MB in the beginning and 76.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 06:26:45,385 INFO L158 Benchmark]: RCFGBuilder took 1714.94ms. Allocated memory was 130.0MB in the beginning and 186.6MB in the end (delta: 56.6MB). Free memory was 76.2MB in the beginning and 149.3MB in the end (delta: -73.1MB). Peak memory consumption was 56.3MB. Max. memory is 16.1GB. [2024-11-09 06:26:45,386 INFO L158 Benchmark]: TraceAbstraction took 1912.84ms. Allocated memory is still 186.6MB. Free memory was 148.2MB in the beginning and 120.2MB in the end (delta: 28.0MB). Peak memory consumption was 98.3MB. Max. memory is 16.1GB. [2024-11-09 06:26:45,387 INFO L158 Benchmark]: Witness Printer took 4.88ms. Allocated memory is still 186.6MB. Free memory was 120.2MB in the beginning and 119.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 06:26:45,394 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 130.0MB. Free memory is still 76.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 431.28ms. Allocated memory is still 130.0MB. Free memory was 97.6MB in the beginning and 82.0MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.32ms. Allocated memory is still 130.0MB. Free memory was 82.0MB in the beginning and 78.8MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.25ms. Allocated memory is still 130.0MB. Free memory was 78.8MB in the beginning and 76.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1714.94ms. Allocated memory was 130.0MB in the beginning and 186.6MB in the end (delta: 56.6MB). Free memory was 76.2MB in the beginning and 149.3MB in the end (delta: -73.1MB). Peak memory consumption was 56.3MB. Max. memory is 16.1GB. * TraceAbstraction took 1912.84ms. Allocated memory is still 186.6MB. Free memory was 148.2MB in the beginning and 120.2MB in the end (delta: 28.0MB). Peak memory consumption was 98.3MB. Max. memory is 16.1GB. * Witness Printer took 4.88ms. Allocated memory is still 186.6MB. Free memory was 120.2MB in the beginning and 119.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 63, overapproximation of someUnaryDOUBLEoperation at line 65. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[2] = { 1, 1 }; [L25] unsigned char* BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer = &(BOOL_unsigned_char_Array_0[0]); [L26] unsigned char* BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer = &(BOOL_unsigned_char_Array_0[1]); [L27-L29] double double_Array_0[3] = { 3.5, 3.8, 24.575 }; [L30] double* double_Array_0_arraydouble_Array_0arrayVar0_Pointer = &(double_Array_0[0]); [L31] double* double_Array_0_arraydouble_Array_0arrayVar1_Pointer = &(double_Array_0[1]); [L32] double* double_Array_0_arraydouble_Array_0arrayVar2_Pointer = &(double_Array_0[2]); [L33-L35] signed char signed_char_Array_0[3] = { 16, 16, 4 }; [L36] signed char* signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer = &(signed_char_Array_0[0]); [L37] signed char* signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer = &(signed_char_Array_0[1]); [L38] signed char* signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer = &(signed_char_Array_0[2]); [L39-L41] signed long int signed_long_int_Array_0[1] = { 8 }; [L42] signed long int* signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer = &(signed_long_int_Array_0[0]); [L43] signed long int last_1_signed_long_int_Array_0_0_ = 8; [L97] isInitial = 1 [L98] FCALL initially() [L99] COND TRUE 1 [L100] CALL updateLastVariables() [L90] EXPR signed_long_int_Array_0[0] [L90] last_1_signed_long_int_Array_0_0_ = signed_long_int_Array_0[0] [L100] RET updateLastVariables() [L101] CALL updateVariables() [L74] BOOL_unsigned_char_Array_0[0] = __VERIFIER_nondet_uchar() [L75] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, double_Array_0_arraydouble_Array_0arrayVar2_Pointer={5:16}, isInitial=1, last_1_signed_long_int_Array_0_0_=8, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_long_int_Array_0={7:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={7:0}] [L75] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, \old(cond)=1, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, double_Array_0_arraydouble_Array_0arrayVar2_Pointer={5:16}, isInitial=1, last_1_signed_long_int_Array_0_0_=8, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_long_int_Array_0={7:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={7:0}] [L20] COND FALSE !(!cond) [L75] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, double_Array_0_arraydouble_Array_0arrayVar2_Pointer={5:16}, isInitial=1, last_1_signed_long_int_Array_0_0_=8, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_long_int_Array_0={7:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={7:0}] [L76] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, double_Array_0_arraydouble_Array_0arrayVar2_Pointer={5:16}, isInitial=1, last_1_signed_long_int_Array_0_0_=8, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_long_int_Array_0={7:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={7:0}] [L76] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, \old(cond)=1, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, double_Array_0_arraydouble_Array_0arrayVar2_Pointer={5:16}, isInitial=1, last_1_signed_long_int_Array_0_0_=8, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_long_int_Array_0={7:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={7:0}] [L20] COND FALSE !(!cond) [L76] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, double_Array_0_arraydouble_Array_0arrayVar2_Pointer={5:16}, isInitial=1, last_1_signed_long_int_Array_0_0_=8, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_long_int_Array_0={7:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={7:0}] [L77] BOOL_unsigned_char_Array_0[1] = __VERIFIER_nondet_uchar() [L78] EXPR BOOL_unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, double_Array_0_arraydouble_Array_0arrayVar2_Pointer={5:16}, isInitial=1, last_1_signed_long_int_Array_0_0_=8, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_long_int_Array_0={7:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={7:0}] [L78] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, \old(cond)=1, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, double_Array_0_arraydouble_Array_0arrayVar2_Pointer={5:16}, isInitial=1, last_1_signed_long_int_Array_0_0_=8, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_long_int_Array_0={7:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={7:0}] [L20] COND FALSE !(!cond) [L78] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, double_Array_0_arraydouble_Array_0arrayVar2_Pointer={5:16}, isInitial=1, last_1_signed_long_int_Array_0_0_=8, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_long_int_Array_0={7:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={7:0}] [L79] EXPR BOOL_unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, double_Array_0_arraydouble_Array_0arrayVar2_Pointer={5:16}, isInitial=1, last_1_signed_long_int_Array_0_0_=8, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_long_int_Array_0={7:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={7:0}] [L79] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[1] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, \old(cond)=1, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, double_Array_0_arraydouble_Array_0arrayVar2_Pointer={5:16}, isInitial=1, last_1_signed_long_int_Array_0_0_=8, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_long_int_Array_0={7:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={7:0}] [L20] COND FALSE !(!cond) [L79] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[1] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, double_Array_0_arraydouble_Array_0arrayVar2_Pointer={5:16}, isInitial=1, last_1_signed_long_int_Array_0_0_=8, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_long_int_Array_0={7:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={7:0}] [L80] double_Array_0[0] = __VERIFIER_nondet_double() [L81] EXPR double_Array_0[0] [L81] EXPR double_Array_0[0] >= -922337.2036854765600e+13F && double_Array_0[0] <= -1.0e-20F [L81] EXPR double_Array_0[0] [L81] EXPR double_Array_0[0] >= -922337.2036854765600e+13F && double_Array_0[0] <= -1.0e-20F [L81] EXPR (double_Array_0[0] >= -922337.2036854765600e+13F && double_Array_0[0] <= -1.0e-20F) || (double_Array_0[0] <= 9223372.036854765600e+12F && double_Array_0[0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, double_Array_0_arraydouble_Array_0arrayVar2_Pointer={5:16}, isInitial=1, last_1_signed_long_int_Array_0_0_=8, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_long_int_Array_0={7:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={7:0}] [L81] CALL assume_abort_if_not((double_Array_0[0] >= -922337.2036854765600e+13F && double_Array_0[0] <= -1.0e-20F) || (double_Array_0[0] <= 9223372.036854765600e+12F && double_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, \old(cond)=1, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, double_Array_0_arraydouble_Array_0arrayVar2_Pointer={5:16}, isInitial=1, last_1_signed_long_int_Array_0_0_=8, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_long_int_Array_0={7:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={7:0}] [L20] COND FALSE !(!cond) [L81] RET assume_abort_if_not((double_Array_0[0] >= -922337.2036854765600e+13F && double_Array_0[0] <= -1.0e-20F) || (double_Array_0[0] <= 9223372.036854765600e+12F && double_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, double_Array_0_arraydouble_Array_0arrayVar2_Pointer={5:16}, isInitial=1, last_1_signed_long_int_Array_0_0_=8, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_long_int_Array_0={7:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={7:0}] [L82] signed_char_Array_0[1] = __VERIFIER_nondet_char() [L83] EXPR signed_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, double_Array_0_arraydouble_Array_0arrayVar2_Pointer={5:16}, isInitial=1, last_1_signed_long_int_Array_0_0_=8, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_long_int_Array_0={7:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={7:0}] [L83] CALL assume_abort_if_not(signed_char_Array_0[1] >= -63) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, \old(cond)=1, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, double_Array_0_arraydouble_Array_0arrayVar2_Pointer={5:16}, isInitial=1, last_1_signed_long_int_Array_0_0_=8, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_long_int_Array_0={7:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={7:0}] [L20] COND FALSE !(!cond) [L83] RET assume_abort_if_not(signed_char_Array_0[1] >= -63) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, double_Array_0_arraydouble_Array_0arrayVar2_Pointer={5:16}, isInitial=1, last_1_signed_long_int_Array_0_0_=8, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_long_int_Array_0={7:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={7:0}] [L84] EXPR signed_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, double_Array_0_arraydouble_Array_0arrayVar2_Pointer={5:16}, isInitial=1, last_1_signed_long_int_Array_0_0_=8, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_long_int_Array_0={7:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={7:0}] [L84] CALL assume_abort_if_not(signed_char_Array_0[1] <= 63) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, \old(cond)=1, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, double_Array_0_arraydouble_Array_0arrayVar2_Pointer={5:16}, isInitial=1, last_1_signed_long_int_Array_0_0_=8, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_long_int_Array_0={7:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={7:0}] [L20] COND FALSE !(!cond) [L84] RET assume_abort_if_not(signed_char_Array_0[1] <= 63) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, double_Array_0_arraydouble_Array_0arrayVar2_Pointer={5:16}, isInitial=1, last_1_signed_long_int_Array_0_0_=8, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_long_int_Array_0={7:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={7:0}] [L85] signed_char_Array_0[2] = __VERIFIER_nondet_char() [L86] EXPR signed_char_Array_0[2] VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, double_Array_0_arraydouble_Array_0arrayVar2_Pointer={5:16}, isInitial=1, last_1_signed_long_int_Array_0_0_=8, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_long_int_Array_0={7:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={7:0}] [L86] CALL assume_abort_if_not(signed_char_Array_0[2] >= -63) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, \old(cond)=1, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, double_Array_0_arraydouble_Array_0arrayVar2_Pointer={5:16}, isInitial=1, last_1_signed_long_int_Array_0_0_=8, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_long_int_Array_0={7:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={7:0}] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not(signed_char_Array_0[2] >= -63) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, double_Array_0_arraydouble_Array_0arrayVar2_Pointer={5:16}, isInitial=1, last_1_signed_long_int_Array_0_0_=8, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_long_int_Array_0={7:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={7:0}] [L87] EXPR signed_char_Array_0[2] VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, double_Array_0_arraydouble_Array_0arrayVar2_Pointer={5:16}, isInitial=1, last_1_signed_long_int_Array_0_0_=8, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_long_int_Array_0={7:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={7:0}] [L87] CALL assume_abort_if_not(signed_char_Array_0[2] <= 63) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, \old(cond)=1, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, double_Array_0_arraydouble_Array_0arrayVar2_Pointer={5:16}, isInitial=1, last_1_signed_long_int_Array_0_0_=8, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_long_int_Array_0={7:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={7:0}] [L20] COND FALSE !(!cond) [L87] RET assume_abort_if_not(signed_char_Array_0[2] <= 63) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, double_Array_0_arraydouble_Array_0arrayVar2_Pointer={5:16}, isInitial=1, last_1_signed_long_int_Array_0_0_=8, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_long_int_Array_0={7:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={7:0}] [L101] RET updateVariables() [L102] CALL step() [L47] COND FALSE !(-4 > last_1_signed_long_int_Array_0_0_) [L52] EXPR \read(*signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer) [L52] (*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer)) = (*(signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer)) [L54] EXPR \read(*BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer) [L54] unsigned char stepLocal_0 = ! (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer)); [L55] stepLocal_0 || (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer)) [L55] EXPR \read(*BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer) [L55] stepLocal_0 || (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer)) [L55] COND FALSE !(stepLocal_0 || (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer))) [L62] EXPR \read(*double_Array_0_arraydouble_Array_0arrayVar0_Pointer) [L62] (*(double_Array_0_arraydouble_Array_0arrayVar1_Pointer)) = (*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer)) [L63] EXPR \read(*double_Array_0_arraydouble_Array_0arrayVar1_Pointer) [L63] EXPR \read(*double_Array_0_arraydouble_Array_0arrayVar1_Pointer) [L63] COND FALSE !((*(double_Array_0_arraydouble_Array_0arrayVar1_Pointer)) <= (*(double_Array_0_arraydouble_Array_0arrayVar1_Pointer))) [L68] EXPR \read(*signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer) [L68] EXPR \read(*signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer) [L68] COND TRUE (*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer)) > (*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer)) [L69] EXPR \read(*double_Array_0_arraydouble_Array_0arrayVar0_Pointer) [L69] (*(double_Array_0_arraydouble_Array_0arrayVar2_Pointer)) = (*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer)) [L102] RET step() [L103] CALL, EXPR property() [L93] EXPR \read(*double_Array_0_arraydouble_Array_0arrayVar1_Pointer) [L93] EXPR \read(*double_Array_0_arraydouble_Array_0arrayVar1_Pointer) [L93] EXPR ((*(double_Array_0_arraydouble_Array_0arrayVar1_Pointer)) <= (*(double_Array_0_arraydouble_Array_0arrayVar1_Pointer))) ? ((((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer)) + (*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer))) >= ((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer)) + (*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer)))) ? ((*(double_Array_0_arraydouble_Array_0arrayVar2_Pointer)) == ((double) (((((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer))) < 0 ) ? -((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer))) : ((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer))))))) : 1) : (((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer)) > (*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer))) ? ((*(double_Array_0_arraydouble_Array_0arrayVar2_Pointer)) == ((double) (*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer)))) : 1) [L93] EXPR \read(*signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer) [L93] EXPR \read(*signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer) [L93] EXPR \read(*signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer) [L93] EXPR \read(*signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer) [L93] EXPR (((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer)) + (*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer))) >= ((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer)) + (*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer)))) ? ((*(double_Array_0_arraydouble_Array_0arrayVar2_Pointer)) == ((double) (((((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer))) < 0 ) ? -((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer))) : ((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer))))))) : 1 [L93] EXPR \read(*double_Array_0_arraydouble_Array_0arrayVar2_Pointer) [L93] EXPR \read(*double_Array_0_arraydouble_Array_0arrayVar0_Pointer) [L93] EXPR (((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer))) < 0 ) ? -((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer))) : ((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer))) [L93] EXPR \read(*double_Array_0_arraydouble_Array_0arrayVar0_Pointer) [L93] EXPR (((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer))) < 0 ) ? -((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer))) : ((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer))) [L93] EXPR (((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer)) + (*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer))) >= ((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer)) + (*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer)))) ? ((*(double_Array_0_arraydouble_Array_0arrayVar2_Pointer)) == ((double) (((((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer))) < 0 ) ? -((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer))) : ((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer))))))) : 1 [L93] EXPR ((*(double_Array_0_arraydouble_Array_0arrayVar1_Pointer)) <= (*(double_Array_0_arraydouble_Array_0arrayVar1_Pointer))) ? ((((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer)) + (*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer))) >= ((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer)) + (*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer)))) ? ((*(double_Array_0_arraydouble_Array_0arrayVar2_Pointer)) == ((double) (((((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer))) < 0 ) ? -((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer))) : ((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer))))))) : 1) : (((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer)) > (*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer))) ? ((*(double_Array_0_arraydouble_Array_0arrayVar2_Pointer)) == ((double) (*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer)))) : 1) [L93] EXPR (((*(double_Array_0_arraydouble_Array_0arrayVar1_Pointer)) <= (*(double_Array_0_arraydouble_Array_0arrayVar1_Pointer))) ? ((((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer)) + (*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer))) >= ((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer)) + (*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer)))) ? ((*(double_Array_0_arraydouble_Array_0arrayVar2_Pointer)) == ((double) (((((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer))) < 0 ) ? -((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer))) : ((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer))))))) : 1) : (((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer)) > (*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer))) ? ((*(double_Array_0_arraydouble_Array_0arrayVar2_Pointer)) == ((double) (*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer)))) : 1)) && ((-4 > last_1_signed_long_int_Array_0_0_) ? (((~ last_1_signed_long_int_Array_0_0_) <= last_1_signed_long_int_Array_0_0_) ? ((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer)) == ((signed char) (((((*(signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer)) + (*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer))) < 0 ) ? -((*(signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer)) + (*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer))) : ((*(signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer)) + (*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer))))))) : 1) : ((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer)) == ((signed char) (*(signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer))))) [L93] EXPR ((((*(double_Array_0_arraydouble_Array_0arrayVar1_Pointer)) <= (*(double_Array_0_arraydouble_Array_0arrayVar1_Pointer))) ? ((((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer)) + (*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer))) >= ((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer)) + (*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer)))) ? ((*(double_Array_0_arraydouble_Array_0arrayVar2_Pointer)) == ((double) (((((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer))) < 0 ) ? -((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer))) : ((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer))))))) : 1) : (((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer)) > (*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer))) ? ((*(double_Array_0_arraydouble_Array_0arrayVar2_Pointer)) == ((double) (*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer)))) : 1)) && ((-4 > last_1_signed_long_int_Array_0_0_) ? (((~ last_1_signed_long_int_Array_0_0_) <= last_1_signed_long_int_Array_0_0_) ? ((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer)) == ((signed char) (((((*(signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer)) + (*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer))) < 0 ) ? -((*(signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer)) + (*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer))) : ((*(signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer)) + (*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer))))))) : 1) : ((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer)) == ((signed char) (*(signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer)))))) && (((! (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer))) || (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer))) ? ((! (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer))) ? ((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer)) == ((signed long int) ((((((((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer))) < ((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer)))) ? ((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer))) : ((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer))))) < 0 ) ? -(((((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer))) < ((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer)))) ? ((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer))) : ((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer))))) : (((((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer))) < ((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer)))) ? ((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer))) : ((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer))))))))) : ((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer)) == ((signed long int) (*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer))))) : 1) [L93] EXPR (((((*(double_Array_0_arraydouble_Array_0arrayVar1_Pointer)) <= (*(double_Array_0_arraydouble_Array_0arrayVar1_Pointer))) ? ((((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer)) + (*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer))) >= ((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer)) + (*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer)))) ? ((*(double_Array_0_arraydouble_Array_0arrayVar2_Pointer)) == ((double) (((((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer))) < 0 ) ? -((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer))) : ((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer))))))) : 1) : (((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer)) > (*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer))) ? ((*(double_Array_0_arraydouble_Array_0arrayVar2_Pointer)) == ((double) (*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer)))) : 1)) && ((-4 > last_1_signed_long_int_Array_0_0_) ? (((~ last_1_signed_long_int_Array_0_0_) <= last_1_signed_long_int_Array_0_0_) ? ((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer)) == ((signed char) (((((*(signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer)) + (*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer))) < 0 ) ? -((*(signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer)) + (*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer))) : ((*(signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer)) + (*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer))))))) : 1) : ((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer)) == ((signed char) (*(signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer)))))) && (((! (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer))) || (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer))) ? ((! (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer))) ? ((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer)) == ((signed long int) ((((((((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer))) < ((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer)))) ? ((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer))) : ((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer))))) < 0 ) ? -(((((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer))) < ((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer)))) ? ((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer))) : ((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer))))) : (((((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer))) < ((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer)))) ? ((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer))) : ((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer))))))))) : ((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer)) == ((signed long int) (*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer))))) : 1)) && ((*(double_Array_0_arraydouble_Array_0arrayVar1_Pointer)) == ((double) (*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer)))) [L93-L94] return (((((*(double_Array_0_arraydouble_Array_0arrayVar1_Pointer)) <= (*(double_Array_0_arraydouble_Array_0arrayVar1_Pointer))) ? ((((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer)) + (*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer))) >= ((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer)) + (*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer)))) ? ((*(double_Array_0_arraydouble_Array_0arrayVar2_Pointer)) == ((double) (((((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer))) < 0 ) ? -((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer))) : ((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer))))))) : 1) : (((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer)) > (*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer))) ? ((*(double_Array_0_arraydouble_Array_0arrayVar2_Pointer)) == ((double) (*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer)))) : 1)) && ((-4 > last_1_signed_long_int_Array_0_0_) ? (((~ last_1_signed_long_int_Array_0_0_) <= last_1_signed_long_int_Array_0_0_) ? ((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer)) == ((signed char) (((((*(signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer)) + (*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer))) < 0 ) ? -((*(signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer)) + (*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer))) : ((*(signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer)) + (*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer))))))) : 1) : ((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer)) == ((signed char) (*(signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer)))))) && (((! (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer))) || (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer))) ? ((! (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer))) ? ((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer)) == ((signed long int) ((((((((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer))) < ((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer)))) ? ((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer))) : ((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer))))) < 0 ) ? -(((((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer))) < ((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer)))) ? ((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer))) : ((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer))))) : (((((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer))) < ((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer)))) ? ((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer))) : ((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer))))))))) : ((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer)) == ((signed long int) (*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer))))) : 1)) && ((*(double_Array_0_arraydouble_Array_0arrayVar1_Pointer)) == ((double) (*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer)))) ; [L103] RET, EXPR property() [L103] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, double_Array_0_arraydouble_Array_0arrayVar2_Pointer={5:16}, isInitial=1, last_1_signed_long_int_Array_0_0_=8, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_long_int_Array_0={7:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={7:0}] [L19] reach_error() VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, double_Array_0_arraydouble_Array_0arrayVar2_Pointer={5:16}, isInitial=1, last_1_signed_long_int_Array_0_0_=8, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_long_int_Array_0={7:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={7:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 27 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 1, TraceHistogramMax: 9, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=27occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 40 NumberOfCodeBlocks, 40 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 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 [2024-11-09 06:26:45,446 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-47.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 11c0c1a04c02015c2893d5de1c86170a8e4a3f2cfab36f943ed9c0f0c4cbc28a --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 06:26:47,833 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 06:26:47,935 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-09 06:26:47,943 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 06:26:47,947 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 06:26:47,977 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 06:26:47,980 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 06:26:47,981 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 06:26:47,981 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 06:26:47,982 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 06:26:47,982 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 06:26:47,983 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 06:26:47,983 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 06:26:47,986 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 06:26:47,986 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 06:26:47,987 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 06:26:47,987 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 06:26:47,988 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 06:26:47,988 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 06:26:47,988 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 06:26:47,989 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 06:26:47,989 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 06:26:47,993 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 06:26:47,993 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 06:26:47,994 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 06:26:47,994 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 06:26:47,994 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 06:26:47,994 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 06:26:47,994 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 06:26:47,995 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 06:26:47,995 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 06:26:47,995 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 06:26:47,995 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 06:26:47,996 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 06:26:47,996 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 06:26:47,997 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:26:47,998 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 06:26:47,998 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 06:26:47,999 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 06:26:47,999 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 06:26:48,000 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 06:26:48,000 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 06:26:48,009 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 06:26:48,009 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 11c0c1a04c02015c2893d5de1c86170a8e4a3f2cfab36f943ed9c0f0c4cbc28a [2024-11-09 06:26:48,412 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 06:26:48,446 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 06:26:48,449 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 06:26:48,450 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 06:26:48,451 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 06:26:48,452 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-47.i Unable to find full path for "g++" [2024-11-09 06:26:50,745 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 06:26:51,034 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 06:26:51,038 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-47.i [2024-11-09 06:26:51,057 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/data/bedd1585e/e1f3fe01f04d4bcfb44682f5bb094d7b/FLAG10ffff099 [2024-11-09 06:26:51,073 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/data/bedd1585e/e1f3fe01f04d4bcfb44682f5bb094d7b [2024-11-09 06:26:51,076 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 06:26:51,078 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 06:26:51,079 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 06:26:51,079 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 06:26:51,085 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 06:26:51,085 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:26:51" (1/1) ... [2024-11-09 06:26:51,086 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1efb556d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:26:51, skipping insertion in model container [2024-11-09 06:26:51,087 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:26:51" (1/1) ... [2024-11-09 06:26:51,121 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 06:26:51,317 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-47.i[917,930] [2024-11-09 06:26:51,405 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:26:51,439 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 06:26:51,459 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-47.i[917,930] [2024-11-09 06:26:51,530 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:26:51,555 INFO L204 MainTranslator]: Completed translation [2024-11-09 06:26:51,556 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:26:51 WrapperNode [2024-11-09 06:26:51,556 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 06:26:51,557 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 06:26:51,557 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 06:26:51,557 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 06:26:51,565 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:26:51" (1/1) ... [2024-11-09 06:26:51,602 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:26:51" (1/1) ... [2024-11-09 06:26:51,672 INFO L138 Inliner]: procedures = 33, calls = 139, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 463 [2024-11-09 06:26:51,676 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 06:26:51,677 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 06:26:51,677 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 06:26:51,677 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 06:26:51,690 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:26:51" (1/1) ... [2024-11-09 06:26:51,690 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:26:51" (1/1) ... [2024-11-09 06:26:51,701 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:26:51" (1/1) ... [2024-11-09 06:26:51,705 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:26:51" (1/1) ... [2024-11-09 06:26:51,722 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:26:51" (1/1) ... [2024-11-09 06:26:51,726 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:26:51" (1/1) ... [2024-11-09 06:26:51,730 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:26:51" (1/1) ... [2024-11-09 06:26:51,733 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:26:51" (1/1) ... [2024-11-09 06:26:51,738 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 06:26:51,739 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 06:26:51,739 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 06:26:51,739 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 06:26:51,740 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:26:51" (1/1) ... [2024-11-09 06:26:51,746 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:26:51,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:26:51,773 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 06:26:51,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 06:26:51,803 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 06:26:51,803 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2024-11-09 06:26:51,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2024-11-09 06:26:51,804 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-11-09 06:26:51,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 06:26:51,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2024-11-09 06:26:51,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2024-11-09 06:26:51,804 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-09 06:26:51,806 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 06:26:51,806 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 06:26:51,806 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 06:26:51,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 06:26:51,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-11-09 06:26:51,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-09 06:26:51,943 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 06:26:51,946 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 06:26:52,887 INFO L? ?]: Removed 132 outVars from TransFormulas that were not future-live. [2024-11-09 06:26:52,887 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 06:26:52,902 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 06:26:52,902 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 06:26:52,903 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:26:52 BoogieIcfgContainer [2024-11-09 06:26:52,903 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 06:26:52,905 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 06:26:52,906 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 06:26:52,909 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 06:26:52,910 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 06:26:51" (1/3) ... [2024-11-09 06:26:52,911 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a32c591 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:26:52, skipping insertion in model container [2024-11-09 06:26:52,911 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:26:51" (2/3) ... [2024-11-09 06:26:52,912 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a32c591 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:26:52, skipping insertion in model container [2024-11-09 06:26:52,912 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:26:52" (3/3) ... [2024-11-09 06:26:52,914 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-ap_file-47.i [2024-11-09 06:26:52,933 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 06:26:52,933 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 06:26:52,998 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 06:26:53,004 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=FINITE_AUTOMATA, 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;@3ec73e53, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 06:26:53,005 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 06:26:53,009 INFO L276 IsEmpty]: Start isEmpty. Operand has 96 states, 84 states have (on average 1.4642857142857142) internal successors, (123), 85 states have internal predecessors, (123), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-09 06:26:53,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-09 06:26:53,021 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:26:53,022 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:26:53,022 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:26:53,027 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:26:53,028 INFO L85 PathProgramCache]: Analyzing trace with hash -1021203961, now seen corresponding path program 1 times [2024-11-09 06:26:53,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:26:53,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1675992961] [2024-11-09 06:26:53,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:26:53,043 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 06:26:53,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:26:53,047 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 06:26:53,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-09 06:26:53,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:26:53,412 INFO L255 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 06:26:53,420 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:26:53,464 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-09 06:26:53,464 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:26:53,465 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:26:53,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1675992961] [2024-11-09 06:26:53,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1675992961] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:26:53,466 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:26:53,467 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 06:26:53,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [278008491] [2024-11-09 06:26:53,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:26:53,474 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:26:53,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:26:53,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:26:53,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:26:53,506 INFO L87 Difference]: Start difference. First operand has 96 states, 84 states have (on average 1.4642857142857142) internal successors, (123), 85 states have internal predecessors, (123), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-09 06:26:53,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:26:53,790 INFO L93 Difference]: Finished difference Result 186 states and 287 transitions. [2024-11-09 06:26:53,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:26:53,794 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 84 [2024-11-09 06:26:53,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:26:53,802 INFO L225 Difference]: With dead ends: 186 [2024-11-09 06:26:53,802 INFO L226 Difference]: Without dead ends: 93 [2024-11-09 06:26:53,805 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:26:53,809 INFO L432 NwaCegarLoop]: 133 mSDtfsCounter, 0 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 260 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 06:26:53,810 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 260 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 06:26:53,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2024-11-09 06:26:53,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2024-11-09 06:26:53,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 82 states have (on average 1.4268292682926829) internal successors, (117), 82 states have internal predecessors, (117), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-09 06:26:53,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 135 transitions. [2024-11-09 06:26:53,870 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 135 transitions. Word has length 84 [2024-11-09 06:26:53,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:26:53,872 INFO L471 AbstractCegarLoop]: Abstraction has 93 states and 135 transitions. [2024-11-09 06:26:53,873 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-09 06:26:53,873 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 135 transitions. [2024-11-09 06:26:53,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-09 06:26:53,876 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:26:53,877 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:26:53,884 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-09 06:26:54,077 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 06:26:54,078 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:26:54,079 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:26:54,079 INFO L85 PathProgramCache]: Analyzing trace with hash 1584819593, now seen corresponding path program 1 times [2024-11-09 06:26:54,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:26:54,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1866675156] [2024-11-09 06:26:54,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:26:54,081 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 06:26:54,085 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:26:54,087 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 06:26:54,093 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-09 06:26:54,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:26:54,413 INFO L255 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 06:26:54,418 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:26:54,500 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-09 06:26:54,500 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:26:54,500 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:26:54,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1866675156] [2024-11-09 06:26:54,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1866675156] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:26:54,501 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:26:54,501 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 06:26:54,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164590151] [2024-11-09 06:26:54,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:26:54,507 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 06:26:54,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:26:54,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 06:26:54,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 06:26:54,512 INFO L87 Difference]: Start difference. First operand 93 states and 135 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-09 06:26:54,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:26:54,652 INFO L93 Difference]: Finished difference Result 186 states and 271 transitions. [2024-11-09 06:26:54,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 06:26:54,653 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 84 [2024-11-09 06:26:54,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:26:54,655 INFO L225 Difference]: With dead ends: 186 [2024-11-09 06:26:54,655 INFO L226 Difference]: Without dead ends: 96 [2024-11-09 06:26:54,656 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 06:26:54,658 INFO L432 NwaCegarLoop]: 131 mSDtfsCounter, 0 mSDsluCounter, 378 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 509 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 06:26:54,658 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 509 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 06:26:54,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2024-11-09 06:26:54,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2024-11-09 06:26:54,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 85 states have (on average 1.411764705882353) internal successors, (120), 85 states have internal predecessors, (120), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-09 06:26:54,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 138 transitions. [2024-11-09 06:26:54,671 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 138 transitions. Word has length 84 [2024-11-09 06:26:54,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:26:54,672 INFO L471 AbstractCegarLoop]: Abstraction has 96 states and 138 transitions. [2024-11-09 06:26:54,672 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-09 06:26:54,672 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 138 transitions. [2024-11-09 06:26:54,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-09 06:26:54,675 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:26:54,675 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:26:54,683 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2024-11-09 06:26:54,876 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 06:26:54,876 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:26:54,877 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:26:54,877 INFO L85 PathProgramCache]: Analyzing trace with hash -1198742533, now seen corresponding path program 1 times [2024-11-09 06:26:54,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:26:54,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1706206766] [2024-11-09 06:26:54,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:26:54,879 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 06:26:54,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:26:54,880 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 06:26:54,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-09 06:26:55,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:26:55,220 INFO L255 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 06:26:55,226 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:26:55,294 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-09 06:26:55,297 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:26:55,297 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:26:55,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1706206766] [2024-11-09 06:26:55,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1706206766] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:26:55,298 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:26:55,298 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 06:26:55,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707933948] [2024-11-09 06:26:55,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:26:55,301 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 06:26:55,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:26:55,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 06:26:55,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 06:26:55,306 INFO L87 Difference]: Start difference. First operand 96 states and 138 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-09 06:26:57,327 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:26:57,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:26:57,516 INFO L93 Difference]: Finished difference Result 194 states and 280 transitions. [2024-11-09 06:26:57,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 06:26:57,517 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 84 [2024-11-09 06:26:57,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:26:57,519 INFO L225 Difference]: With dead ends: 194 [2024-11-09 06:26:57,519 INFO L226 Difference]: Without dead ends: 101 [2024-11-09 06:26:57,520 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 06:26:57,521 INFO L432 NwaCegarLoop]: 129 mSDtfsCounter, 1 mSDsluCounter, 374 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 503 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-09 06:26:57,522 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 503 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 29 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2024-11-09 06:26:57,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2024-11-09 06:26:57,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 100. [2024-11-09 06:26:57,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 89 states have (on average 1.3932584269662922) internal successors, (124), 89 states have internal predecessors, (124), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-09 06:26:57,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 142 transitions. [2024-11-09 06:26:57,533 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 142 transitions. Word has length 84 [2024-11-09 06:26:57,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:26:57,533 INFO L471 AbstractCegarLoop]: Abstraction has 100 states and 142 transitions. [2024-11-09 06:26:57,534 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-09 06:26:57,534 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 142 transitions. [2024-11-09 06:26:57,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-09 06:26:57,537 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:26:57,537 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:26:57,549 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/mathsat -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)] Forceful destruction successful, exit code 0 [2024-11-09 06:26:57,741 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 06:26:57,742 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:26:57,742 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:26:57,743 INFO L85 PathProgramCache]: Analyzing trace with hash -1196895491, now seen corresponding path program 1 times [2024-11-09 06:26:57,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:26:57,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [625540823] [2024-11-09 06:26:57,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:26:57,744 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 06:26:57,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:26:57,748 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 06:26:57,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-09 06:26:58,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:26:58,178 INFO L255 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-09 06:26:58,195 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:27:01,747 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 97 treesize of output 70 [2024-11-09 06:27:02,590 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 97 treesize of output 70 [2024-11-09 06:27:03,535 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 97 treesize of output 70 [2024-11-09 06:27:03,786 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 150 treesize of output 92 [2024-11-09 06:27:04,069 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 15 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 172 treesize of output 98 [2024-11-09 06:27:04,234 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 228 treesize of output 100 [2024-11-09 06:27:04,399 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 104 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-09 06:27:04,399 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:27:10,297 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_82 (_ BitVec 32)) (v_ArrVal_79 (Array (_ BitVec 32) (_ BitVec 32))) (|v_skolemized_q#valueAsBitvector_28| (_ BitVec 64)) (v_ArrVal_81 (_ BitVec 32))) (let ((.cse2 (store |c_#memory_int| c_~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.base v_ArrVal_79))) (or (not (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_28|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_28|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_28|)) (let ((.cse0 (let ((.cse1 (select .cse2 c_~double_Array_0_arraydouble_Array_0arrayVar0_Pointer~0.base))) (concat (select .cse1 (bvadd c_~double_Array_0_arraydouble_Array_0arrayVar0_Pointer~0.offset (_ bv4 32))) (select .cse1 c_~double_Array_0_arraydouble_Array_0arrayVar0_Pointer~0.offset))))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0))))) (let ((.cse3 (let ((.cse4 (let ((.cse6 (bvadd c_~double_Array_0_arraydouble_Array_0arrayVar1_Pointer~0.offset (_ bv4 32)))) (let ((.cse5 (select (let ((.cse7 (store .cse2 c_~double_Array_0_arraydouble_Array_0arrayVar1_Pointer~0.base (store (store (select .cse2 c_~double_Array_0_arraydouble_Array_0arrayVar1_Pointer~0.base) c_~double_Array_0_arraydouble_Array_0arrayVar1_Pointer~0.offset ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_28|)) .cse6 ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_28|))))) (store .cse7 c_~double_Array_0_arraydouble_Array_0arrayVar2_Pointer~0.base (store (store (select .cse7 c_~double_Array_0_arraydouble_Array_0arrayVar2_Pointer~0.base) c_~double_Array_0_arraydouble_Array_0arrayVar2_Pointer~0.offset v_ArrVal_81) (bvadd (_ bv4 32) c_~double_Array_0_arraydouble_Array_0arrayVar2_Pointer~0.offset) v_ArrVal_82))) c_~double_Array_0_arraydouble_Array_0arrayVar1_Pointer~0.base))) (concat (select .cse5 .cse6) (select .cse5 c_~double_Array_0_arraydouble_Array_0arrayVar1_Pointer~0.offset)))))) (fp ((_ extract 63 63) .cse4) ((_ extract 62 52) .cse4) ((_ extract 51 0) .cse4))))) (fp.leq .cse3 .cse3))))) is different from false [2024-11-09 06:27:10,551 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:27:10,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [625540823] [2024-11-09 06:27:10,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [625540823] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:27:10,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [692991183] [2024-11-09 06:27:10,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:27:10,552 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 06:27:10,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 06:27:10,555 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 06:27:10,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-09 06:27:12,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:27:12,221 INFO L255 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-09 06:27:12,229 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:27:14,397 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2024-11-09 06:27:24,348 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 113 treesize of output 82 [2024-11-09 06:27:25,544 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 113 treesize of output 82 [2024-11-09 06:27:30,916 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 113 treesize of output 82 [2024-11-09 06:27:37,446 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 166 treesize of output 100 [2024-11-09 06:27:37,844 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 104 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-09 06:27:37,845 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:27:38,374 WARN L851 $PredicateComparison]: unable to prove that (forall ((|v_skolemized_q#valueAsBitvector_34| (_ BitVec 64)) (v_ArrVal_106 (Array (_ BitVec 32) (_ BitVec 32)))) (or (let ((.cse0 (let ((.cse1 (concat ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_34|) ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_34|)))) (fp ((_ extract 63 63) .cse1) ((_ extract 62 52) .cse1) ((_ extract 51 0) .cse1))))) (fp.leq .cse0 .cse0)) (not (= (let ((.cse2 (let ((.cse3 (select (store |c_#memory_int| c_~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.base v_ArrVal_106) c_~double_Array_0_arraydouble_Array_0arrayVar0_Pointer~0.base))) (concat (select .cse3 (bvadd c_~double_Array_0_arraydouble_Array_0arrayVar0_Pointer~0.offset (_ bv4 32))) (select .cse3 c_~double_Array_0_arraydouble_Array_0arrayVar0_Pointer~0.offset))))) (fp ((_ extract 63 63) .cse2) ((_ extract 62 52) .cse2) ((_ extract 51 0) .cse2))) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_34|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_34|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_34|)))))) is different from false [2024-11-09 06:27:38,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [692991183] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:27:38,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1274671229] [2024-11-09 06:27:38,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:27:38,451 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:27:38,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:27:38,455 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 06:27:38,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-09 06:27:39,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:27:39,134 INFO L255 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-11-09 06:27:39,141 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:27:41,621 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 1 [2024-11-09 06:27:42,899 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 53 treesize of output 38 [2024-11-09 06:27:43,657 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 53 treesize of output 38 [2024-11-09 06:27:44,616 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 53 treesize of output 38 [2024-11-09 06:27:45,012 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 106 treesize of output 72 [2024-11-09 06:27:46,055 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 15 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 167 treesize of output 115 [2024-11-09 06:27:47,195 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 113 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-11-09 06:27:47,195 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:27:55,503 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_134 (Array (_ BitVec 32) (_ BitVec 32))) (|v_skolemized_q#valueAsBitvector_40| (_ BitVec 64)) (|v_skolemized_q#valueAsBitvector_41| (_ BitVec 64))) (let ((.cse3 (store |c_#memory_int| c_~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.base v_ArrVal_134)) (.cse7 (bvadd c_~double_Array_0_arraydouble_Array_0arrayVar1_Pointer~0.offset (_ bv4 32)))) (let ((.cse11 (store .cse3 c_~double_Array_0_arraydouble_Array_0arrayVar1_Pointer~0.base (store (store (select .cse3 c_~double_Array_0_arraydouble_Array_0arrayVar1_Pointer~0.base) c_~double_Array_0_arraydouble_Array_0arrayVar1_Pointer~0.offset ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_40|)) .cse7 ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_40|)))) (.cse14 ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_41|)) (.cse13 ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_41|))) (let ((.cse2 (bvadd c_~double_Array_0_arraydouble_Array_0arrayVar0_Pointer~0.offset (_ bv4 32))) (.cse8 (store .cse11 c_~double_Array_0_arraydouble_Array_0arrayVar2_Pointer~0.base (store (store (select .cse11 c_~double_Array_0_arraydouble_Array_0arrayVar2_Pointer~0.base) c_~double_Array_0_arraydouble_Array_0arrayVar2_Pointer~0.offset .cse14) (bvadd (_ bv4 32) c_~double_Array_0_arraydouble_Array_0arrayVar2_Pointer~0.offset) .cse13)))) (or (not (= (let ((.cse0 (let ((.cse1 (select .cse3 c_~double_Array_0_arraydouble_Array_0arrayVar0_Pointer~0.base))) (concat (select .cse1 .cse2) (select .cse1 c_~double_Array_0_arraydouble_Array_0arrayVar0_Pointer~0.offset))))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0))) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_40|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_40|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_40|)))) (let ((.cse4 (let ((.cse5 (let ((.cse6 (select .cse8 c_~double_Array_0_arraydouble_Array_0arrayVar1_Pointer~0.base))) (concat (select .cse6 .cse7) (select .cse6 c_~double_Array_0_arraydouble_Array_0arrayVar1_Pointer~0.offset))))) (fp ((_ extract 63 63) .cse5) ((_ extract 62 52) .cse5) ((_ extract 51 0) .cse5))))) (fp.leq .cse4 .cse4)) (not (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_41|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_41|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_41|)) (let ((.cse9 (let ((.cse10 (select .cse11 c_~double_Array_0_arraydouble_Array_0arrayVar0_Pointer~0.base))) (concat (select .cse10 .cse2) (select .cse10 c_~double_Array_0_arraydouble_Array_0arrayVar0_Pointer~0.offset))))) (fp ((_ extract 63 63) .cse9) ((_ extract 62 52) .cse9) ((_ extract 51 0) .cse9))))) (fp.eq (let ((.cse12 (concat .cse13 .cse14))) (fp ((_ extract 63 63) .cse12) ((_ extract 62 52) .cse12) ((_ extract 51 0) .cse12))) (let ((.cse15 (let ((.cse16 (select .cse8 c_~double_Array_0_arraydouble_Array_0arrayVar0_Pointer~0.base))) (concat (select .cse16 .cse2) (select .cse16 c_~double_Array_0_arraydouble_Array_0arrayVar0_Pointer~0.offset))))) (fp ((_ extract 63 63) .cse15) ((_ extract 62 52) .cse15) ((_ extract 51 0) .cse15))))))))) is different from false [2024-11-09 06:27:56,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1274671229] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:27:56,522 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 06:27:56,523 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9, 12] total 28 [2024-11-09 06:27:56,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423259920] [2024-11-09 06:27:56,523 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 06:27:56,524 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-11-09 06:27:56,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:27:56,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-11-09 06:27:56,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=228, Invalid=1576, Unknown=14, NotChecked=252, Total=2070 [2024-11-09 06:27:56,527 INFO L87 Difference]: Start difference. First operand 100 states and 142 transitions. Second operand has 29 states, 29 states have (on average 3.4827586206896552) internal successors, (101), 28 states have internal predecessors, (101), 7 states have call successors, (19), 7 states have call predecessors, (19), 8 states have return successors, (20), 7 states have call predecessors, (20), 7 states have call successors, (20) [2024-11-09 06:28:05,851 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result VALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:28:08,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:28:08,727 INFO L93 Difference]: Finished difference Result 284 states and 402 transitions. [2024-11-09 06:28:08,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-09 06:28:08,728 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 3.4827586206896552) internal successors, (101), 28 states have internal predecessors, (101), 7 states have call successors, (19), 7 states have call predecessors, (19), 8 states have return successors, (20), 7 states have call predecessors, (20), 7 states have call successors, (20) Word has length 84 [2024-11-09 06:28:08,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:28:08,732 INFO L225 Difference]: With dead ends: 284 [2024-11-09 06:28:08,732 INFO L226 Difference]: Without dead ends: 187 [2024-11-09 06:28:08,734 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 332 GetRequests, 277 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 772 ImplicationChecksByTransitivity, 39.2s TimeCoverageRelationStatistics Valid=424, Invalid=2436, Unknown=14, NotChecked=318, Total=3192 [2024-11-09 06:28:08,735 INFO L432 NwaCegarLoop]: 72 mSDtfsCounter, 683 mSDsluCounter, 807 mSDsCounter, 0 mSdLazyCounter, 1460 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 688 SdHoareTripleChecker+Valid, 879 SdHoareTripleChecker+Invalid, 1507 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 1460 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.7s IncrementalHoareTripleChecker+Time [2024-11-09 06:28:08,736 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [688 Valid, 879 Invalid, 1507 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 1460 Invalid, 0 Unknown, 0 Unchecked, 8.7s Time] [2024-11-09 06:28:08,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2024-11-09 06:28:08,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 131. [2024-11-09 06:28:08,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 114 states have (on average 1.3771929824561404) internal successors, (157), 114 states have internal predecessors, (157), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-09 06:28:08,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 185 transitions. [2024-11-09 06:28:08,759 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 185 transitions. Word has length 84 [2024-11-09 06:28:08,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:28:08,760 INFO L471 AbstractCegarLoop]: Abstraction has 131 states and 185 transitions. [2024-11-09 06:28:08,760 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 3.4827586206896552) internal successors, (101), 28 states have internal predecessors, (101), 7 states have call successors, (19), 7 states have call predecessors, (19), 8 states have return successors, (20), 7 states have call predecessors, (20), 7 states have call successors, (20) [2024-11-09 06:28:08,760 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 185 transitions. [2024-11-09 06:28:08,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-09 06:28:08,767 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:28:08,768 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:28:08,775 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/mathsat -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)] Forceful destruction successful, exit code 0 [2024-11-09 06:28:08,985 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-09 06:28:09,176 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-09 06:28:09,369 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/mathsat -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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt [2024-11-09 06:28:09,369 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:28:09,370 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:28:09,370 INFO L85 PathProgramCache]: Analyzing trace with hash 189889919, now seen corresponding path program 1 times [2024-11-09 06:28:09,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:28:09,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1253132984] [2024-11-09 06:28:09,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:28:09,371 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 06:28:09,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:28:09,374 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 06:28:09,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2024-11-09 06:28:09,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:28:09,608 INFO L255 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 06:28:09,610 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:28:09,631 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-09 06:28:09,631 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:28:09,631 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:28:09,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1253132984] [2024-11-09 06:28:09,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1253132984] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:28:09,632 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:28:09,632 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 06:28:09,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815313169] [2024-11-09 06:28:09,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:28:09,633 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 06:28:09,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:28:09,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 06:28:09,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 06:28:09,634 INFO L87 Difference]: Start difference. First operand 131 states and 185 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-09 06:28:09,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:28:09,729 INFO L93 Difference]: Finished difference Result 259 states and 367 transitions. [2024-11-09 06:28:09,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 06:28:09,730 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 84 [2024-11-09 06:28:09,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:28:09,732 INFO L225 Difference]: With dead ends: 259 [2024-11-09 06:28:09,732 INFO L226 Difference]: Without dead ends: 131 [2024-11-09 06:28:09,733 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 06:28:09,734 INFO L432 NwaCegarLoop]: 134 mSDtfsCounter, 0 mSDsluCounter, 254 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 388 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 06:28:09,734 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 388 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 06:28:09,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2024-11-09 06:28:09,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2024-11-09 06:28:09,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 114 states have (on average 1.368421052631579) internal successors, (156), 114 states have internal predecessors, (156), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-09 06:28:09,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 184 transitions. [2024-11-09 06:28:09,757 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 184 transitions. Word has length 84 [2024-11-09 06:28:09,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:28:09,758 INFO L471 AbstractCegarLoop]: Abstraction has 131 states and 184 transitions. [2024-11-09 06:28:09,758 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-09 06:28:09,758 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 184 transitions. [2024-11-09 06:28:09,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-09 06:28:09,760 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:28:09,760 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:28:09,769 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Ended with exit code 0 [2024-11-09 06:28:09,961 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 06:28:09,961 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:28:09,962 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:28:09,962 INFO L85 PathProgramCache]: Analyzing trace with hash -2076711007, now seen corresponding path program 1 times [2024-11-09 06:28:09,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:28:09,962 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [882904623] [2024-11-09 06:28:09,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:28:09,963 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 06:28:09,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:28:09,964 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 06:28:09,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2024-11-09 06:28:10,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:28:10,339 INFO L255 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-09 06:28:10,345 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:28:11,753 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 [2024-11-09 06:28:12,628 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 109 treesize of output 82 [2024-11-09 06:28:13,247 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 109 treesize of output 82 [2024-11-09 06:28:13,871 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 109 treesize of output 82 [2024-11-09 06:28:14,124 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 109 treesize of output 82 [2024-11-09 06:28:14,226 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:28:14,227 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 152 treesize of output 62 [2024-11-09 06:28:14,369 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 104 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-09 06:28:14,369 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:28:14,920 WARN L851 $PredicateComparison]: unable to prove that (forall ((|v_skolemized_q#valueAsBitvector_50| (_ BitVec 64)) (v_ArrVal_182 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_183 (Array (_ BitVec 32) (_ BitVec 32)))) (or (not (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_50|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_50|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_50|)) (let ((.cse0 (let ((.cse1 (select (store (store |c_#memory_int| c_~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.base v_ArrVal_182) c_~signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer~0.base v_ArrVal_183) c_~double_Array_0_arraydouble_Array_0arrayVar0_Pointer~0.base))) (concat (select .cse1 (bvadd c_~double_Array_0_arraydouble_Array_0arrayVar0_Pointer~0.offset (_ bv4 32))) (select .cse1 c_~double_Array_0_arraydouble_Array_0arrayVar0_Pointer~0.offset))))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0))))) (let ((.cse2 (let ((.cse3 (concat ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_50|) ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_50|)))) (fp ((_ extract 63 63) .cse3) ((_ extract 62 52) .cse3) ((_ extract 51 0) .cse3))))) (fp.leq .cse2 .cse2)))) is different from false [2024-11-09 06:28:14,985 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:28:14,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [882904623] [2024-11-09 06:28:14,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [882904623] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:28:14,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [56018720] [2024-11-09 06:28:14,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:28:14,986 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 06:28:14,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 06:28:14,988 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 06:28:14,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-09 06:28:16,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:28:16,168 INFO L255 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-09 06:28:16,173 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:28:17,534 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-09 06:28:17,619 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 17 treesize of output 17 [2024-11-09 06:28:17,754 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 20 [2024-11-09 06:28:17,928 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 20 [2024-11-09 06:28:18,088 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2024-11-09 06:28:18,216 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-09 06:28:18,216 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:28:18,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [56018720] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:28:18,217 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 06:28:18,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [10] total 15 [2024-11-09 06:28:18,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901556294] [2024-11-09 06:28:18,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:28:18,217 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 06:28:18,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:28:18,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 06:28:18,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=279, Unknown=7, NotChecked=34, Total=380 [2024-11-09 06:28:18,219 INFO L87 Difference]: Start difference. First operand 131 states and 184 transitions. Second operand has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 6 states have internal predecessors, (43), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-09 06:28:19,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:28:19,674 INFO L93 Difference]: Finished difference Result 312 states and 439 transitions. [2024-11-09 06:28:19,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 06:28:19,675 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 6 states have internal predecessors, (43), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 85 [2024-11-09 06:28:19,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:28:19,676 INFO L225 Difference]: With dead ends: 312 [2024-11-09 06:28:19,677 INFO L226 Difference]: Without dead ends: 184 [2024-11-09 06:28:19,677 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 175 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=67, Invalid=310, Unknown=7, NotChecked=36, Total=420 [2024-11-09 06:28:19,679 INFO L432 NwaCegarLoop]: 115 mSDtfsCounter, 213 mSDsluCounter, 213 mSDsCounter, 0 mSdLazyCounter, 306 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 213 SdHoareTripleChecker+Valid, 328 SdHoareTripleChecker+Invalid, 311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 306 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-09 06:28:19,679 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [213 Valid, 328 Invalid, 311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 306 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-09 06:28:19,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2024-11-09 06:28:19,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 140. [2024-11-09 06:28:19,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 123 states have (on average 1.3821138211382114) internal successors, (170), 123 states have internal predecessors, (170), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-09 06:28:19,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 198 transitions. [2024-11-09 06:28:19,702 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 198 transitions. Word has length 85 [2024-11-09 06:28:19,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:28:19,703 INFO L471 AbstractCegarLoop]: Abstraction has 140 states and 198 transitions. [2024-11-09 06:28:19,703 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 6 states have internal predecessors, (43), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-09 06:28:19,703 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 198 transitions. [2024-11-09 06:28:19,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-09 06:28:19,705 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:28:19,705 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:28:19,715 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-11-09 06:28:19,912 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Ended with exit code 0 [2024-11-09 06:28:20,105 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 06:28:20,106 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:28:20,106 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:28:20,106 INFO L85 PathProgramCache]: Analyzing trace with hash -1818545569, now seen corresponding path program 1 times [2024-11-09 06:28:20,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:28:20,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2068726882] [2024-11-09 06:28:20,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:28:20,107 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 06:28:20,107 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:28:20,108 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 06:28:20,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2024-11-09 06:28:20,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:28:20,345 INFO L255 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 06:28:20,348 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:28:20,384 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-09 06:28:20,384 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:28:20,384 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:28:20,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2068726882] [2024-11-09 06:28:20,385 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2068726882] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:28:20,385 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:28:20,385 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 06:28:20,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162332102] [2024-11-09 06:28:20,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:28:20,386 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 06:28:20,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:28:20,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 06:28:20,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 06:28:20,387 INFO L87 Difference]: Start difference. First operand 140 states and 198 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-09 06:28:20,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:28:20,452 INFO L93 Difference]: Finished difference Result 280 states and 397 transitions. [2024-11-09 06:28:20,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 06:28:20,453 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 85 [2024-11-09 06:28:20,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:28:20,455 INFO L225 Difference]: With dead ends: 280 [2024-11-09 06:28:20,455 INFO L226 Difference]: Without dead ends: 143 [2024-11-09 06:28:20,456 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 06:28:20,457 INFO L432 NwaCegarLoop]: 133 mSDtfsCounter, 0 mSDsluCounter, 381 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 514 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 06:28:20,457 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 514 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 06:28:20,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2024-11-09 06:28:20,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 141. [2024-11-09 06:28:20,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 124 states have (on average 1.3790322580645162) internal successors, (171), 124 states have internal predecessors, (171), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-09 06:28:20,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 199 transitions. [2024-11-09 06:28:20,478 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 199 transitions. Word has length 85 [2024-11-09 06:28:20,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:28:20,479 INFO L471 AbstractCegarLoop]: Abstraction has 141 states and 199 transitions. [2024-11-09 06:28:20,479 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-09 06:28:20,479 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 199 transitions. [2024-11-09 06:28:20,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-09 06:28:20,481 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:28:20,481 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:28:20,490 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Ended with exit code 0 [2024-11-09 06:28:20,681 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 06:28:20,682 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:28:20,682 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:28:20,682 INFO L85 PathProgramCache]: Analyzing trace with hash -1432249281, now seen corresponding path program 1 times [2024-11-09 06:28:20,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:28:20,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1832614993] [2024-11-09 06:28:20,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:28:20,683 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 06:28:20,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:28:20,684 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 06:28:20,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2024-11-09 06:28:20,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:28:20,997 INFO L255 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-09 06:28:21,001 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:28:22,459 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-09 06:28:23,596 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 34 treesize of output 18 [2024-11-09 06:28:24,166 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 36 treesize of output 27 [2024-11-09 06:28:24,417 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 40 treesize of output 29 [2024-11-09 06:28:24,853 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 40 [2024-11-09 06:28:24,983 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 39 proven. 56 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-09 06:28:24,983 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:28:25,479 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:28:25,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1832614993] [2024-11-09 06:28:25,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1832614993] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:28:25,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [71940515] [2024-11-09 06:28:25,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:28:25,479 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 06:28:25,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 06:28:25,481 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 06:28:25,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-09 06:28:26,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:28:26,546 INFO L255 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-09 06:28:26,550 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:28:27,874 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-11-09 06:28:28,583 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 24 treesize of output 12 [2024-11-09 06:28:29,118 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 26 treesize of output 21 [2024-11-09 06:28:29,352 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 30 treesize of output 21 [2024-11-09 06:28:29,845 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 34 [2024-11-09 06:28:29,861 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 40 proven. 56 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-09 06:28:29,861 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:28:30,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [71940515] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:28:30,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1908338384] [2024-11-09 06:28:30,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:28:30,064 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:28:30,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:28:30,065 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 06:28:30,066 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-09 06:28:30,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:28:30,248 INFO L255 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-09 06:28:30,253 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:28:31,548 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-11-09 06:28:33,600 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 50 treesize of output 26 [2024-11-09 06:28:34,447 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 26 treesize of output 21 [2024-11-09 06:28:34,839 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 30 treesize of output 21 [2024-11-09 06:28:35,413 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 34 [2024-11-09 06:28:35,439 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 44 proven. 68 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 06:28:35,439 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:28:35,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1908338384] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:28:35,694 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 06:28:35,694 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 10, 19] total 32 [2024-11-09 06:28:35,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633592890] [2024-11-09 06:28:35,695 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 06:28:35,696 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-11-09 06:28:35,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:28:35,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-11-09 06:28:35,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=186, Invalid=1134, Unknown=12, NotChecked=0, Total=1332 [2024-11-09 06:28:35,702 INFO L87 Difference]: Start difference. First operand 141 states and 199 transitions. Second operand has 33 states, 29 states have (on average 3.7241379310344827) internal successors, (108), 28 states have internal predecessors, (108), 9 states have call successors, (17), 7 states have call predecessors, (17), 9 states have return successors, (18), 9 states have call predecessors, (18), 9 states have call successors, (18) [2024-11-09 06:28:42,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:28:42,733 INFO L93 Difference]: Finished difference Result 506 states and 695 transitions. [2024-11-09 06:28:42,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-09 06:28:42,735 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 29 states have (on average 3.7241379310344827) internal successors, (108), 28 states have internal predecessors, (108), 9 states have call successors, (17), 7 states have call predecessors, (17), 9 states have return successors, (18), 9 states have call predecessors, (18), 9 states have call successors, (18) Word has length 86 [2024-11-09 06:28:42,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:28:42,737 INFO L225 Difference]: With dead ends: 506 [2024-11-09 06:28:42,738 INFO L226 Difference]: Without dead ends: 368 [2024-11-09 06:28:42,739 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 344 GetRequests, 295 SyntacticMatches, 3 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 684 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=368, Invalid=1876, Unknown=12, NotChecked=0, Total=2256 [2024-11-09 06:28:42,740 INFO L432 NwaCegarLoop]: 65 mSDtfsCounter, 1058 mSDsluCounter, 948 mSDsCounter, 0 mSdLazyCounter, 1463 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1066 SdHoareTripleChecker+Valid, 1013 SdHoareTripleChecker+Invalid, 1518 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 1463 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2024-11-09 06:28:42,741 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1066 Valid, 1013 Invalid, 1518 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 1463 Invalid, 0 Unknown, 0 Unchecked, 5.6s Time] [2024-11-09 06:28:42,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2024-11-09 06:28:42,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 269. [2024-11-09 06:28:42,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 269 states, 242 states have (on average 1.3636363636363635) internal successors, (330), 243 states have internal predecessors, (330), 18 states have call successors, (18), 8 states have call predecessors, (18), 8 states have return successors, (18), 17 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-09 06:28:42,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 366 transitions. [2024-11-09 06:28:42,787 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 366 transitions. Word has length 86 [2024-11-09 06:28:42,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:28:42,788 INFO L471 AbstractCegarLoop]: Abstraction has 269 states and 366 transitions. [2024-11-09 06:28:42,788 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 29 states have (on average 3.7241379310344827) internal successors, (108), 28 states have internal predecessors, (108), 9 states have call successors, (17), 7 states have call predecessors, (17), 9 states have return successors, (18), 9 states have call predecessors, (18), 9 states have call successors, (18) [2024-11-09 06:28:42,788 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 366 transitions. [2024-11-09 06:28:42,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-09 06:28:42,789 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:28:42,790 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:28:42,809 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-11-09 06:28:42,998 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-11-09 06:28:43,196 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2024-11-09 06:28:43,390 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 06:28:43,391 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:28:43,392 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:28:43,392 INFO L85 PathProgramCache]: Analyzing trace with hash -670302247, now seen corresponding path program 1 times [2024-11-09 06:28:43,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:28:43,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1873092203] [2024-11-09 06:28:43,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:28:43,392 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 06:28:43,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:28:43,393 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 06:28:43,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2024-11-09 06:28:43,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:28:43,714 INFO L255 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 06:28:43,716 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:28:43,838 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:28:43,838 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 52 treesize of output 36 [2024-11-09 06:28:43,919 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-09 06:28:43,919 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:28:43,919 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:28:43,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1873092203] [2024-11-09 06:28:43,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1873092203] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:28:43,919 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:28:43,920 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 06:28:43,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838661401] [2024-11-09 06:28:43,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:28:43,920 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 06:28:43,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:28:43,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 06:28:43,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 06:28:43,921 INFO L87 Difference]: Start difference. First operand 269 states and 366 transitions. Second operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-09 06:28:44,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:28:44,902 INFO L93 Difference]: Finished difference Result 644 states and 878 transitions. [2024-11-09 06:28:44,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 06:28:44,903 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 86 [2024-11-09 06:28:44,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:28:44,907 INFO L225 Difference]: With dead ends: 644 [2024-11-09 06:28:44,907 INFO L226 Difference]: Without dead ends: 378 [2024-11-09 06:28:44,908 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-09 06:28:44,909 INFO L432 NwaCegarLoop]: 121 mSDtfsCounter, 53 mSDsluCounter, 258 mSDsCounter, 0 mSdLazyCounter, 194 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 379 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 194 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-09 06:28:44,909 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 379 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 194 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-09 06:28:44,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states. [2024-11-09 06:28:44,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 282. [2024-11-09 06:28:44,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 282 states, 255 states have (on average 1.3647058823529412) internal successors, (348), 256 states have internal predecessors, (348), 18 states have call successors, (18), 8 states have call predecessors, (18), 8 states have return successors, (18), 17 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-09 06:28:44,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 384 transitions. [2024-11-09 06:28:44,953 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 384 transitions. Word has length 86 [2024-11-09 06:28:44,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:28:44,954 INFO L471 AbstractCegarLoop]: Abstraction has 282 states and 384 transitions. [2024-11-09 06:28:44,954 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-09 06:28:44,955 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 384 transitions. [2024-11-09 06:28:44,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-09 06:28:44,956 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:28:44,956 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:28:44,966 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Ended with exit code 0 [2024-11-09 06:28:45,157 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 06:28:45,157 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:28:45,157 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:28:45,157 INFO L85 PathProgramCache]: Analyzing trace with hash -2035040029, now seen corresponding path program 1 times [2024-11-09 06:28:45,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:28:45,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [391910324] [2024-11-09 06:28:45,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:28:45,158 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 06:28:45,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:28:45,159 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 06:28:45,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2024-11-09 06:28:45,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:28:45,585 INFO L255 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-09 06:28:45,591 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:28:49,115 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 95 treesize of output 68 [2024-11-09 06:28:50,065 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 95 treesize of output 68 [2024-11-09 06:28:51,068 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 95 treesize of output 68 [2024-11-09 06:28:51,880 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 151 treesize of output 82 [2024-11-09 06:28:52,855 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 2 proven. 110 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 06:28:52,856 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:28:54,818 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_344 (_ BitVec 32)) (v_ArrVal_343 (_ BitVec 32)) (v_ArrVal_338 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_340 (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_75| (_ BitVec 64))) (let ((.cse5 (store |c_#memory_int| c_~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.base v_ArrVal_338)) (.cse2 ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_75|))) (or (let ((.cse0 (let ((.cse1 (concat .cse2 v_ArrVal_340))) (fp ((_ extract 63 63) .cse1) ((_ extract 62 52) .cse1) ((_ extract 51 0) .cse1))))) (fp.leq .cse0 .cse0)) (not (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_75|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_75|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_75|)) (let ((.cse3 (let ((.cse4 (select .cse5 c_~double_Array_0_arraydouble_Array_0arrayVar0_Pointer~0.base))) (concat (select .cse4 (bvadd c_~double_Array_0_arraydouble_Array_0arrayVar0_Pointer~0.offset (_ bv4 32))) (select .cse4 c_~double_Array_0_arraydouble_Array_0arrayVar0_Pointer~0.offset))))) (fp ((_ extract 63 63) .cse3) ((_ extract 62 52) .cse3) ((_ extract 51 0) .cse3))))) (let ((.cse6 (let ((.cse7 (let ((.cse9 (bvadd c_~double_Array_0_arraydouble_Array_0arrayVar1_Pointer~0.offset (_ bv4 32)))) (let ((.cse8 (select (let ((.cse10 (store .cse5 c_~double_Array_0_arraydouble_Array_0arrayVar1_Pointer~0.base (store (store (select .cse5 c_~double_Array_0_arraydouble_Array_0arrayVar1_Pointer~0.base) c_~double_Array_0_arraydouble_Array_0arrayVar1_Pointer~0.offset v_ArrVal_340) .cse9 .cse2)))) (store .cse10 c_~double_Array_0_arraydouble_Array_0arrayVar2_Pointer~0.base (store (store (select .cse10 c_~double_Array_0_arraydouble_Array_0arrayVar2_Pointer~0.base) c_~double_Array_0_arraydouble_Array_0arrayVar2_Pointer~0.offset v_ArrVal_343) (bvadd (_ bv4 32) c_~double_Array_0_arraydouble_Array_0arrayVar2_Pointer~0.offset) v_ArrVal_344))) c_~double_Array_0_arraydouble_Array_0arrayVar1_Pointer~0.base))) (concat (select .cse8 .cse9) (select .cse8 c_~double_Array_0_arraydouble_Array_0arrayVar1_Pointer~0.offset)))))) (fp ((_ extract 63 63) .cse7) ((_ extract 62 52) .cse7) ((_ extract 51 0) .cse7))))) (fp.leq .cse6 .cse6))))) is different from false [2024-11-09 06:28:55,209 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:28:55,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [391910324] [2024-11-09 06:28:55,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [391910324] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:28:55,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1176346544] [2024-11-09 06:28:55,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:28:55,209 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 06:28:55,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 06:28:55,211 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 06:28:55,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-09 06:28:56,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:28:56,876 INFO L255 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-11-09 06:28:56,882 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:28:58,840 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 1 [2024-11-09 06:28:59,765 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 95 treesize of output 68 [2024-11-09 06:29:00,649 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 95 treesize of output 68 [2024-11-09 06:29:01,647 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 95 treesize of output 68 [2024-11-09 06:29:01,895 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 148 treesize of output 90 [2024-11-09 06:29:02,555 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 2 proven. 110 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 06:29:02,555 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:29:03,697 WARN L851 $PredicateComparison]: unable to prove that (forall ((|v_skolemized_q#valueAsBitvector_80| (_ BitVec 64)) (v_ArrVal_344 (_ BitVec 32)) (v_ArrVal_343 (_ BitVec 32)) (v_ArrVal_369 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse2 (store |c_#memory_int| c_~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.base v_ArrVal_369)) (.cse6 ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_80|)) (.cse5 ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_80|))) (or (not (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_80|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_80|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_80|)) (let ((.cse0 (let ((.cse1 (select .cse2 c_~double_Array_0_arraydouble_Array_0arrayVar0_Pointer~0.base))) (concat (select .cse1 (bvadd c_~double_Array_0_arraydouble_Array_0arrayVar0_Pointer~0.offset (_ bv4 32))) (select .cse1 c_~double_Array_0_arraydouble_Array_0arrayVar0_Pointer~0.offset))))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0))))) (let ((.cse3 (let ((.cse4 (concat .cse5 .cse6))) (fp ((_ extract 63 63) .cse4) ((_ extract 62 52) .cse4) ((_ extract 51 0) .cse4))))) (fp.leq .cse3 .cse3)) (let ((.cse7 (let ((.cse8 (let ((.cse10 (bvadd c_~double_Array_0_arraydouble_Array_0arrayVar1_Pointer~0.offset (_ bv4 32)))) (let ((.cse9 (select (let ((.cse11 (store .cse2 c_~double_Array_0_arraydouble_Array_0arrayVar1_Pointer~0.base (store (store (select .cse2 c_~double_Array_0_arraydouble_Array_0arrayVar1_Pointer~0.base) c_~double_Array_0_arraydouble_Array_0arrayVar1_Pointer~0.offset .cse6) .cse10 .cse5)))) (store .cse11 c_~double_Array_0_arraydouble_Array_0arrayVar2_Pointer~0.base (store (store (select .cse11 c_~double_Array_0_arraydouble_Array_0arrayVar2_Pointer~0.base) c_~double_Array_0_arraydouble_Array_0arrayVar2_Pointer~0.offset v_ArrVal_343) (bvadd (_ bv4 32) c_~double_Array_0_arraydouble_Array_0arrayVar2_Pointer~0.offset) v_ArrVal_344))) c_~double_Array_0_arraydouble_Array_0arrayVar1_Pointer~0.base))) (concat (select .cse9 .cse10) (select .cse9 c_~double_Array_0_arraydouble_Array_0arrayVar1_Pointer~0.offset)))))) (fp ((_ extract 63 63) .cse8) ((_ extract 62 52) .cse8) ((_ extract 51 0) .cse8))))) (fp.leq .cse7 .cse7))))) is different from false [2024-11-09 06:29:04,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1176346544] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:29:04,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1524641093] [2024-11-09 06:29:04,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:29:04,100 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:29:04,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:29:04,101 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 06:29:04,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-09 06:29:04,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:29:04,510 INFO L255 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-11-09 06:29:04,515 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:29:06,323 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2024-11-09 06:29:14,250 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 111 treesize of output 80 [2024-11-09 06:29:15,543 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 111 treesize of output 80 [2024-11-09 06:29:20,900 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 111 treesize of output 80 [2024-11-09 06:29:27,427 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 167 treesize of output 90 [2024-11-09 06:29:27,977 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 193 treesize of output 131 [2024-11-09 06:29:28,384 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 260 treesize of output 136 [2024-11-09 06:29:28,711 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 2 proven. 110 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 06:29:28,711 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:29:38,006 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_396 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_400 (_ BitVec 32)) (v_ArrVal_399 (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_87| (_ BitVec 64)) (|v_skolemized_q#valueAsBitvector_86| (_ BitVec 64))) (let ((.cse8 (store |c_#memory_int| c_~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.base v_ArrVal_396)) (.cse3 (bvadd c_~double_Array_0_arraydouble_Array_0arrayVar1_Pointer~0.offset (_ bv4 32)))) (let ((.cse7 (bvadd c_~double_Array_0_arraydouble_Array_0arrayVar0_Pointer~0.offset (_ bv4 32))) (.cse4 (store .cse8 c_~double_Array_0_arraydouble_Array_0arrayVar1_Pointer~0.base (store (store (select .cse8 c_~double_Array_0_arraydouble_Array_0arrayVar1_Pointer~0.base) c_~double_Array_0_arraydouble_Array_0arrayVar1_Pointer~0.offset v_ArrVal_399) .cse3 ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_86|))))) (or (let ((.cse0 (let ((.cse1 (let ((.cse2 (select (store .cse4 c_~double_Array_0_arraydouble_Array_0arrayVar2_Pointer~0.base (store (store (select .cse4 c_~double_Array_0_arraydouble_Array_0arrayVar2_Pointer~0.base) c_~double_Array_0_arraydouble_Array_0arrayVar2_Pointer~0.offset v_ArrVal_400) (bvadd (_ bv4 32) c_~double_Array_0_arraydouble_Array_0arrayVar2_Pointer~0.offset) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_87|))) c_~double_Array_0_arraydouble_Array_0arrayVar1_Pointer~0.base))) (concat (select .cse2 .cse3) (select .cse2 c_~double_Array_0_arraydouble_Array_0arrayVar1_Pointer~0.offset))))) (fp ((_ extract 63 63) .cse1) ((_ extract 62 52) .cse1) ((_ extract 51 0) .cse1))))) (fp.leq .cse0 .cse0)) (not (= (let ((.cse5 (let ((.cse6 (select .cse8 c_~double_Array_0_arraydouble_Array_0arrayVar0_Pointer~0.base))) (concat (select .cse6 .cse7) (select .cse6 c_~double_Array_0_arraydouble_Array_0arrayVar0_Pointer~0.offset))))) (fp ((_ extract 63 63) .cse5) ((_ extract 62 52) .cse5) ((_ extract 51 0) .cse5))) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_86|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_86|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_86|)))) (not (= (let ((.cse9 (let ((.cse10 (select .cse4 c_~double_Array_0_arraydouble_Array_0arrayVar0_Pointer~0.base))) (concat (select .cse10 .cse7) (select .cse10 c_~double_Array_0_arraydouble_Array_0arrayVar0_Pointer~0.offset))))) (fp ((_ extract 63 63) .cse9) ((_ extract 62 52) .cse9) ((_ extract 51 0) .cse9))) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_87|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_87|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_87|)))))))) is different from false [2024-11-09 06:29:38,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1524641093] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:29:38,431 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 06:29:38,432 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 16] total 27 [2024-11-09 06:29:38,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789988402] [2024-11-09 06:29:38,432 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 06:29:38,432 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-11-09 06:29:38,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:29:38,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-11-09 06:29:38,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=184, Invalid=1076, Unknown=12, NotChecked=210, Total=1482 [2024-11-09 06:29:38,434 INFO L87 Difference]: Start difference. First operand 282 states and 384 transitions. Second operand has 28 states, 26 states have (on average 3.269230769230769) internal successors, (85), 25 states have internal predecessors, (85), 7 states have call successors, (14), 7 states have call predecessors, (14), 7 states have return successors, (14), 5 states have call predecessors, (14), 7 states have call successors, (14) [2024-11-09 06:29:40,839 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:29:46,890 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:29:48,897 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:29:50,902 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:29:52,907 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:29:54,912 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:29:56,914 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:30:19,224 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:30:21,227 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:30:23,233 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:30:25,237 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:30:27,239 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:30:43,492 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:30:45,500 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:30:47,503 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:30:49,507 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:30:51,511 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:30:53,759 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:30:55,764 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:30:57,767 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:30:59,769 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:31:01,774 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:31:03,777 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:31:26,415 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:31:28,420 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:31:30,425 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:31:32,428 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:31:34,430 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:31:36,434 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:31:58,690 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:32:00,695 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:32:02,700 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:32:04,704 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:32:06,708 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:32:08,712 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:32:10,799 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:32:12,803 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:32:14,807 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:32:16,810 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:32:18,814 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:32:20,872 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:32:22,876 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:32:24,879 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:32:26,883 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:32:28,887 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:32:30,939 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:32:32,945 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:32:34,948 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:32:36,950 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:32:38,955 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:32:41,133 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:32:43,137 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:32:45,140 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:32:47,144 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:32:49,146 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:32:51,226 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:32:53,237 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:32:55,239 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:32:57,242 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:32:59,247 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:33:01,307 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:33:03,311 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:33:05,316 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:33:07,320 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:33:09,323 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:33:11,475 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:33:13,479 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:33:15,482 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:33:17,484 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:33:19,486 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:33:21,545 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:33:23,549 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:33:25,552 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:33:27,554 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:33:29,559 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:33:31,624 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:33:33,629 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:33:35,631 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:33:37,633 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:33:39,636 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:33:45,150 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:33:47,776 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:33:51,205 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:33:53,865 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:33:57,235 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:33:59,404 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:34:01,408 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:34:03,412 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:34:05,415 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:34:07,417 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:34:09,423 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:34:11,427 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:34:13,434 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:34:15,436 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:34:17,443 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:34:19,448 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:34:21,451 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:34:23,456 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:34:25,460 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:34:27,466 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:34:29,474 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:34:31,498 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:34:33,500 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:34:35,503 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:34:37,508 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:34:39,515 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:34:41,519 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:34:43,521 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:34:45,524 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:34:47,526 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:34:49,531 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:34:51,534 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:34:53,536 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:34:55,540 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:34:57,546 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:34:59,552 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:35:01,555 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:35:03,558 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:35:05,560 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:35:07,563 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:35:09,570 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:35:11,572 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:35:13,576 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:35:15,580 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:35:17,582 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:35:19,588 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:35:21,590 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:35:23,595 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:35:25,598 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:35:27,601 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:35:29,609 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:35:31,611 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:35:33,614 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:35:35,618 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:35:37,620 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:35:39,626 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:35:41,629 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:35:43,631 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:35:45,634 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:35:47,637 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:35:49,647 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:35:51,656 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:35:53,662 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:35:55,664 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:35:57,670 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:35:59,680 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:36:01,683 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:36:03,686 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:36:05,691 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:36:07,696 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:36:09,702 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:36:11,704 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:36:13,708 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:36:15,711 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:36:17,713 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:36:19,725 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:36:21,739 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:36:23,742 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:36:25,745 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:36:27,748 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:36:29,753 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:36:31,758 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:36:33,760 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:36:35,763 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:36:37,765 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:36:40,163 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:36:42,166 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:36:44,170 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:36:46,174 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:36:48,177 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:36:50,182 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:36:52,185 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:36:54,187 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:36:56,192 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:36:58,196 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:37:00,203 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:37:02,207 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:37:04,212 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:37:06,215 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:37:08,218 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:37:10,223 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:37:12,228 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:37:14,232 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:37:16,236 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:37:18,239 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:37:20,247 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:37:22,251 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:37:24,254 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:37:26,256 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:37:28,259 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:37:30,265 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:37:32,267 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:37:34,269 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:37:36,271 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:37:38,274 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:37:40,278 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:37:42,281 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:37:44,284 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:37:46,289 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:37:48,292 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:37:50,298 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:37:52,300 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:37:54,304 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:37:56,306 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:37:58,309 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:38:00,313 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:38:02,317 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:38:04,320 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:38:06,324 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:38:08,328 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:38:10,334 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:38:12,336 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:38:14,340 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:38:16,342 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:38:18,344 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:38:18,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:38:18,447 INFO L93 Difference]: Finished difference Result 955 states and 1294 transitions. [2024-11-09 06:38:18,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-09 06:38:18,448 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 26 states have (on average 3.269230769230769) internal successors, (85), 25 states have internal predecessors, (85), 7 states have call successors, (14), 7 states have call predecessors, (14), 7 states have return successors, (14), 5 states have call predecessors, (14), 7 states have call successors, (14) Word has length 86 [2024-11-09 06:38:18,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:38:18,451 INFO L225 Difference]: With dead ends: 955 [2024-11-09 06:38:18,451 INFO L226 Difference]: Without dead ends: 676 [2024-11-09 06:38:18,453 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 288 SyntacticMatches, 2 SemanticMatches, 57 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 827 ImplicationChecksByTransitivity, 109.4s TimeCoverageRelationStatistics Valid=477, Invalid=2566, Unknown=49, NotChecked=330, Total=3422 [2024-11-09 06:38:18,454 INFO L432 NwaCegarLoop]: 132 mSDtfsCounter, 855 mSDsluCounter, 1046 mSDsCounter, 0 mSdLazyCounter, 1755 mSolverCounterSat, 83 mSolverCounterUnsat, 215 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 440.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 855 SdHoareTripleChecker+Valid, 1178 SdHoareTripleChecker+Invalid, 2053 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 1755 IncrementalHoareTripleChecker+Invalid, 215 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 440.8s IncrementalHoareTripleChecker+Time [2024-11-09 06:38:18,454 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [855 Valid, 1178 Invalid, 2053 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 1755 Invalid, 215 Unknown, 0 Unchecked, 440.8s Time] [2024-11-09 06:38:18,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 676 states. [2024-11-09 06:38:18,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 676 to 337. [2024-11-09 06:38:18,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 337 states, 297 states have (on average 1.34006734006734) internal successors, (398), 299 states have internal predecessors, (398), 25 states have call successors, (25), 14 states have call predecessors, (25), 14 states have return successors, (25), 23 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-09 06:38:18,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 337 states and 448 transitions. [2024-11-09 06:38:18,501 INFO L78 Accepts]: Start accepts. Automaton has 337 states and 448 transitions. Word has length 86 [2024-11-09 06:38:18,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:38:18,501 INFO L471 AbstractCegarLoop]: Abstraction has 337 states and 448 transitions. [2024-11-09 06:38:18,501 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 26 states have (on average 3.269230769230769) internal successors, (85), 25 states have internal predecessors, (85), 7 states have call successors, (14), 7 states have call predecessors, (14), 7 states have return successors, (14), 5 states have call predecessors, (14), 7 states have call successors, (14) [2024-11-09 06:38:18,502 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 448 transitions. [2024-11-09 06:38:18,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-09 06:38:18,503 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:38:18,503 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:38:18,513 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Ended with exit code 0 [2024-11-09 06:38:18,711 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (17)] Forceful destruction successful, exit code 0 [2024-11-09 06:38:18,919 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-11-09 06:38:19,104 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt,18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:38:19,104 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:38:19,104 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:38:19,105 INFO L85 PathProgramCache]: Analyzing trace with hash 872629068, now seen corresponding path program 1 times [2024-11-09 06:38:19,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:38:19,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1760806489] [2024-11-09 06:38:19,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:38:19,105 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 06:38:19,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:38:19,106 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 06:38:19,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2024-11-09 06:38:19,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:38:19,396 INFO L255 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 06:38:19,399 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:38:19,626 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:38:19,627 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 136 treesize of output 46 [2024-11-09 06:38:19,763 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-09 06:38:19,763 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:38:19,763 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:38:19,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1760806489] [2024-11-09 06:38:19,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1760806489] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:38:19,763 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:38:19,764 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 06:38:19,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [25542405] [2024-11-09 06:38:19,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:38:19,764 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 06:38:19,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:38:19,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 06:38:19,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 06:38:19,765 INFO L87 Difference]: Start difference. First operand 337 states and 448 transitions. Second operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-09 06:38:23,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:38:23,980 INFO L93 Difference]: Finished difference Result 746 states and 994 transitions. [2024-11-09 06:38:23,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 06:38:23,981 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 86 [2024-11-09 06:38:23,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:38:23,983 INFO L225 Difference]: With dead ends: 746 [2024-11-09 06:38:23,983 INFO L226 Difference]: Without dead ends: 412 [2024-11-09 06:38:23,984 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-09 06:38:23,985 INFO L432 NwaCegarLoop]: 115 mSDtfsCounter, 52 mSDsluCounter, 251 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 366 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-11-09 06:38:23,985 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 366 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2024-11-09 06:38:23,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 412 states. [2024-11-09 06:38:24,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 412 to 329. [2024-11-09 06:38:24,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 329 states, 289 states have (on average 1.3321799307958477) internal successors, (385), 291 states have internal predecessors, (385), 25 states have call successors, (25), 14 states have call predecessors, (25), 14 states have return successors, (25), 23 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-09 06:38:24,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 435 transitions. [2024-11-09 06:38:24,041 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 435 transitions. Word has length 86 [2024-11-09 06:38:24,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:38:24,041 INFO L471 AbstractCegarLoop]: Abstraction has 329 states and 435 transitions. [2024-11-09 06:38:24,041 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-09 06:38:24,041 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 435 transitions. [2024-11-09 06:38:24,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-09 06:38:24,043 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:38:24,043 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:38:24,051 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Ended with exit code 0 [2024-11-09 06:38:24,247 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 06:38:24,247 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:38:24,248 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:38:24,248 INFO L85 PathProgramCache]: Analyzing trace with hash -1159021023, now seen corresponding path program 1 times [2024-11-09 06:38:24,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:38:24,248 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2018990920] [2024-11-09 06:38:24,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:38:24,248 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 06:38:24,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:38:24,249 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 06:38:24,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2024-11-09 06:38:24,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:38:24,488 INFO L255 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 06:38:24,490 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:38:24,546 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-09 06:38:24,546 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:38:24,547 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:38:24,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2018990920] [2024-11-09 06:38:24,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2018990920] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:38:24,547 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:38:24,547 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 06:38:24,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047386086] [2024-11-09 06:38:24,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:38:24,547 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 06:38:24,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:38:24,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 06:38:24,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-09 06:38:24,548 INFO L87 Difference]: Start difference. First operand 329 states and 435 transitions. Second operand has 6 states, 5 states have (on average 10.0) internal successors, (50), 6 states have internal predecessors, (50), 3 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-09 06:38:24,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:38:24,793 INFO L93 Difference]: Finished difference Result 611 states and 806 transitions. [2024-11-09 06:38:24,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 06:38:24,793 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.0) internal successors, (50), 6 states have internal predecessors, (50), 3 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) Word has length 86 [2024-11-09 06:38:24,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:38:24,795 INFO L225 Difference]: With dead ends: 611 [2024-11-09 06:38:24,795 INFO L226 Difference]: Without dead ends: 277 [2024-11-09 06:38:24,796 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-09 06:38:24,796 INFO L432 NwaCegarLoop]: 124 mSDtfsCounter, 1 mSDsluCounter, 461 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 585 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 06:38:24,797 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 585 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 06:38:24,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2024-11-09 06:38:24,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 212. [2024-11-09 06:38:24,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 212 states, 188 states have (on average 1.324468085106383) internal successors, (249), 188 states have internal predecessors, (249), 14 states have call successors, (14), 9 states have call predecessors, (14), 9 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-09 06:38:24,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 277 transitions. [2024-11-09 06:38:24,833 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 277 transitions. Word has length 86 [2024-11-09 06:38:24,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:38:24,833 INFO L471 AbstractCegarLoop]: Abstraction has 212 states and 277 transitions. [2024-11-09 06:38:24,834 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.0) internal successors, (50), 6 states have internal predecessors, (50), 3 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-09 06:38:24,834 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 277 transitions. [2024-11-09 06:38:24,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-09 06:38:24,835 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:38:24,835 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:38:24,842 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (20)] Ended with exit code 0 [2024-11-09 06:38:25,035 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 06:38:25,036 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:38:25,036 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:38:25,036 INFO L85 PathProgramCache]: Analyzing trace with hash 927304634, now seen corresponding path program 1 times [2024-11-09 06:38:25,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:38:25,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [193592942] [2024-11-09 06:38:25,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:38:25,037 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 06:38:25,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:38:25,040 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 06:38:25,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (21)] Waiting until timeout for monitored process [2024-11-09 06:38:25,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:38:25,359 INFO L255 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-09 06:38:25,363 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:38:26,391 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 [2024-11-09 06:38:26,474 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 17 treesize of output 17 [2024-11-09 06:38:26,531 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 20 [2024-11-09 06:38:26,608 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 20 [2024-11-09 06:38:26,657 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 19 [2024-11-09 06:38:26,706 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-09 06:38:26,706 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:38:26,706 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:38:26,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [193592942] [2024-11-09 06:38:26,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [193592942] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:38:26,707 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:38:26,707 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 06:38:26,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318204148] [2024-11-09 06:38:26,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:38:26,707 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 06:38:26,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:38:26,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 06:38:26,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-09 06:38:26,708 INFO L87 Difference]: Start difference. First operand 212 states and 277 transitions. Second operand has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 6 states have internal predecessors, (45), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-09 06:38:28,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:38:28,176 INFO L93 Difference]: Finished difference Result 476 states and 622 transitions. [2024-11-09 06:38:28,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 06:38:28,177 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 6 states have internal predecessors, (45), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 87 [2024-11-09 06:38:28,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:38:28,178 INFO L225 Difference]: With dead ends: 476 [2024-11-09 06:38:28,178 INFO L226 Difference]: Without dead ends: 261 [2024-11-09 06:38:28,179 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-09 06:38:28,180 INFO L432 NwaCegarLoop]: 112 mSDtfsCounter, 150 mSDsluCounter, 207 mSDsCounter, 0 mSdLazyCounter, 302 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 319 SdHoareTripleChecker+Invalid, 305 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 302 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-09 06:38:28,180 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [150 Valid, 319 Invalid, 305 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 302 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-09 06:38:28,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2024-11-09 06:38:28,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 212. [2024-11-09 06:38:28,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 212 states, 188 states have (on average 1.3085106382978724) internal successors, (246), 188 states have internal predecessors, (246), 14 states have call successors, (14), 9 states have call predecessors, (14), 9 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-09 06:38:28,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 274 transitions. [2024-11-09 06:38:28,216 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 274 transitions. Word has length 87 [2024-11-09 06:38:28,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:38:28,217 INFO L471 AbstractCegarLoop]: Abstraction has 212 states and 274 transitions. [2024-11-09 06:38:28,217 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 6 states have internal predecessors, (45), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-09 06:38:28,217 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 274 transitions. [2024-11-09 06:38:28,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-09 06:38:28,218 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:38:28,219 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:38:28,227 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (21)] Forceful destruction successful, exit code 0 [2024-11-09 06:38:28,419 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 06:38:28,419 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:38:28,419 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:38:28,420 INFO L85 PathProgramCache]: Analyzing trace with hash 1689251668, now seen corresponding path program 1 times [2024-11-09 06:38:28,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:38:28,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1477176806] [2024-11-09 06:38:28,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:38:28,420 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 06:38:28,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:38:28,421 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 06:38:28,422 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2024-11-09 06:38:28,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:38:28,771 INFO L255 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 06:38:28,774 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:38:30,359 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:38:30,360 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 99 treesize of output 43 [2024-11-09 06:38:30,391 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:38:30,391 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 116 treesize of output 44 [2024-11-09 06:38:30,430 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-09 06:38:30,430 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:38:30,430 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:38:30,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1477176806] [2024-11-09 06:38:30,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1477176806] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:38:30,431 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:38:30,431 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 06:38:30,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [165330414] [2024-11-09 06:38:30,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:38:30,431 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 06:38:30,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:38:30,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 06:38:30,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-09 06:38:30,432 INFO L87 Difference]: Start difference. First operand 212 states and 274 transitions. Second operand has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 6 states have internal predecessors, (45), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-09 06:38:33,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:38:33,337 INFO L93 Difference]: Finished difference Result 467 states and 606 transitions. [2024-11-09 06:38:33,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 06:38:33,338 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 6 states have internal predecessors, (45), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 87 [2024-11-09 06:38:33,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:38:33,340 INFO L225 Difference]: With dead ends: 467 [2024-11-09 06:38:33,340 INFO L226 Difference]: Without dead ends: 258 [2024-11-09 06:38:33,340 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-09 06:38:33,341 INFO L432 NwaCegarLoop]: 139 mSDtfsCounter, 150 mSDsluCounter, 296 mSDsCounter, 0 mSdLazyCounter, 335 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 435 SdHoareTripleChecker+Invalid, 336 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 335 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2024-11-09 06:38:33,341 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [150 Valid, 435 Invalid, 336 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 335 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2024-11-09 06:38:33,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2024-11-09 06:38:33,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 210. [2024-11-09 06:38:33,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 210 states, 186 states have (on average 1.2956989247311828) internal successors, (241), 186 states have internal predecessors, (241), 14 states have call successors, (14), 9 states have call predecessors, (14), 9 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-09 06:38:33,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 269 transitions. [2024-11-09 06:38:33,380 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 269 transitions. Word has length 87 [2024-11-09 06:38:33,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:38:33,381 INFO L471 AbstractCegarLoop]: Abstraction has 210 states and 269 transitions. [2024-11-09 06:38:33,381 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 6 states have internal predecessors, (45), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-09 06:38:33,381 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 269 transitions. [2024-11-09 06:38:33,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-09 06:38:33,382 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:38:33,382 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:38:33,392 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (22)] Ended with exit code 0 [2024-11-09 06:38:33,582 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 06:38:33,583 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:38:33,583 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:38:33,583 INFO L85 PathProgramCache]: Analyzing trace with hash 677609706, now seen corresponding path program 1 times [2024-11-09 06:38:33,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:38:33,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1105754437] [2024-11-09 06:38:33,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:38:33,584 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 06:38:33,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:38:33,585 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 06:38:33,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (23)] Waiting until timeout for monitored process [2024-11-09 06:38:33,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:38:33,929 INFO L255 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-09 06:38:33,934 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:38:35,293 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 [2024-11-09 06:38:36,124 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 109 treesize of output 82 [2024-11-09 06:38:36,679 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 109 treesize of output 82 [2024-11-09 06:38:37,308 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 109 treesize of output 82 [2024-11-09 06:38:37,523 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 109 treesize of output 82 [2024-11-09 06:38:37,615 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:38:37,616 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 152 treesize of output 62 [2024-11-09 06:38:37,743 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 104 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-09 06:38:37,743 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:38:38,177 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_511 (Array (_ BitVec 32) (_ BitVec 32))) (|v_skolemized_q#valueAsBitvector_107| (_ BitVec 64)) (v_ArrVal_512 (Array (_ BitVec 32) (_ BitVec 32)))) (or (not (= (let ((.cse0 (let ((.cse1 (select (store (store |c_#memory_int| c_~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.base v_ArrVal_511) c_~signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer~0.base v_ArrVal_512) c_~double_Array_0_arraydouble_Array_0arrayVar0_Pointer~0.base))) (concat (select .cse1 (bvadd c_~double_Array_0_arraydouble_Array_0arrayVar0_Pointer~0.offset (_ bv4 32))) (select .cse1 c_~double_Array_0_arraydouble_Array_0arrayVar0_Pointer~0.offset))))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0))) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_107|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_107|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_107|)))) (let ((.cse2 (let ((.cse3 (concat ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_107|) ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_107|)))) (fp ((_ extract 63 63) .cse3) ((_ extract 62 52) .cse3) ((_ extract 51 0) .cse3))))) (fp.leq .cse2 .cse2)))) is different from false [2024-11-09 06:38:38,227 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:38:38,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1105754437] [2024-11-09 06:38:38,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1105754437] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:38:38,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [301621460] [2024-11-09 06:38:38,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:38:38,227 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 06:38:38,228 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 06:38:38,228 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 06:38:38,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-11-09 06:38:39,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:38:39,244 INFO L255 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-09 06:38:39,247 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:38:40,122 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-09 06:38:40,166 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 17 treesize of output 17 [2024-11-09 06:38:40,268 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 20 [2024-11-09 06:38:40,352 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2024-11-09 06:38:40,469 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-09 06:38:40,469 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:38:40,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [301621460] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:38:40,469 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 06:38:40,469 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 14 [2024-11-09 06:38:40,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1266430120] [2024-11-09 06:38:40,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:38:40,470 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 06:38:40,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:38:40,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 06:38:40,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=240, Unknown=8, NotChecked=32, Total=342 [2024-11-09 06:38:40,471 INFO L87 Difference]: Start difference. First operand 210 states and 269 transitions. Second operand has 6 states, 6 states have (on average 7.5) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-09 06:38:41,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:38:41,311 INFO L93 Difference]: Finished difference Result 459 states and 590 transitions. [2024-11-09 06:38:41,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 06:38:41,312 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 87 [2024-11-09 06:38:41,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:38:41,313 INFO L225 Difference]: With dead ends: 459 [2024-11-09 06:38:41,313 INFO L226 Difference]: Without dead ends: 252 [2024-11-09 06:38:41,313 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=68, Invalid=270, Unknown=8, NotChecked=34, Total=380 [2024-11-09 06:38:41,313 INFO L432 NwaCegarLoop]: 124 mSDtfsCounter, 200 mSDsluCounter, 171 mSDsCounter, 0 mSdLazyCounter, 207 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 200 SdHoareTripleChecker+Valid, 295 SdHoareTripleChecker+Invalid, 208 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 207 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-09 06:38:41,314 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [200 Valid, 295 Invalid, 208 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 207 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-09 06:38:41,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2024-11-09 06:38:41,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 210. [2024-11-09 06:38:41,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 210 states, 186 states have (on average 1.2849462365591398) internal successors, (239), 186 states have internal predecessors, (239), 14 states have call successors, (14), 9 states have call predecessors, (14), 9 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-09 06:38:41,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 267 transitions. [2024-11-09 06:38:41,349 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 267 transitions. Word has length 87 [2024-11-09 06:38:41,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:38:41,350 INFO L471 AbstractCegarLoop]: Abstraction has 210 states and 267 transitions. [2024-11-09 06:38:41,350 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-09 06:38:41,350 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 267 transitions. [2024-11-09 06:38:41,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-09 06:38:41,351 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:38:41,351 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:38:41,361 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2024-11-09 06:38:41,557 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (23)] Forceful destruction successful, exit code 0 [2024-11-09 06:38:41,751 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt,23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 06:38:41,752 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:38:41,752 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:38:41,752 INFO L85 PathProgramCache]: Analyzing trace with hash -2002831415, now seen corresponding path program 1 times [2024-11-09 06:38:41,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:38:41,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1319606633] [2024-11-09 06:38:41,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:38:41,753 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 06:38:41,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:38:41,756 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 06:38:41,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (25)] Waiting until timeout for monitored process [2024-11-09 06:38:41,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:38:41,998 INFO L255 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 06:38:41,999 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:38:42,219 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-09 06:38:42,219 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:38:42,219 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:38:42,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1319606633] [2024-11-09 06:38:42,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1319606633] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:38:42,219 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:38:42,220 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 06:38:42,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [664576894] [2024-11-09 06:38:42,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:38:42,220 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 06:38:42,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:38:42,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 06:38:42,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 06:38:42,221 INFO L87 Difference]: Start difference. First operand 210 states and 267 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-09 06:38:42,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:38:42,678 INFO L93 Difference]: Finished difference Result 597 states and 755 transitions. [2024-11-09 06:38:42,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 06:38:42,680 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 87 [2024-11-09 06:38:42,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:38:42,682 INFO L225 Difference]: With dead ends: 597 [2024-11-09 06:38:42,682 INFO L226 Difference]: Without dead ends: 390 [2024-11-09 06:38:42,682 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 06:38:42,683 INFO L432 NwaCegarLoop]: 129 mSDtfsCounter, 84 mSDsluCounter, 186 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 315 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 06:38:42,683 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 315 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 06:38:42,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 390 states. [2024-11-09 06:38:42,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 390 to 359. [2024-11-09 06:38:42,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 359 states, 312 states have (on average 1.2532051282051282) internal successors, (391), 312 states have internal predecessors, (391), 28 states have call successors, (28), 18 states have call predecessors, (28), 18 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-09 06:38:42,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 359 states and 447 transitions. [2024-11-09 06:38:42,759 INFO L78 Accepts]: Start accepts. Automaton has 359 states and 447 transitions. Word has length 87 [2024-11-09 06:38:42,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:38:42,760 INFO L471 AbstractCegarLoop]: Abstraction has 359 states and 447 transitions. [2024-11-09 06:38:42,760 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-09 06:38:42,760 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 447 transitions. [2024-11-09 06:38:42,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-09 06:38:42,761 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:38:42,762 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:38:42,769 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (25)] Ended with exit code 0 [2024-11-09 06:38:42,963 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 06:38:42,963 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:38:42,964 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:38:42,964 INFO L85 PathProgramCache]: Analyzing trace with hash 888350362, now seen corresponding path program 1 times [2024-11-09 06:38:42,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:38:42,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [429056428] [2024-11-09 06:38:42,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:38:42,966 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 06:38:42,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:38:42,968 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 06:38:42,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (26)] Waiting until timeout for monitored process [2024-11-09 06:38:43,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:38:43,299 INFO L255 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-11-09 06:38:43,304 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:38:43,666 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 16 treesize of output 11 [2024-11-09 06:38:44,356 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 16 treesize of output 11 [2024-11-09 06:38:45,067 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 16 treesize of output 11 [2024-11-09 06:38:45,565 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 16 treesize of output 11 [2024-11-09 06:38:46,891 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 40 treesize of output 38 [2024-11-09 06:38:59,799 WARN L286 SmtUtils]: Spent 12.12s on a formula simplification. DAG size of input: 26 DAG size of output: 23 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2024-11-09 06:38:59,799 INFO L349 Elim1Store]: treesize reduction 14, result has 76.3 percent of original size [2024-11-09 06:38:59,800 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 53 treesize of output 78 [2024-11-09 06:39:13,228 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 160 treesize of output 128 [2024-11-09 06:39:16,623 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 136 treesize of output 108 [2024-11-09 06:39:17,419 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:39:17,419 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 1 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 15 case distinctions, treesize of input 136 treesize of output 174 [2024-11-09 06:39:51,758 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 11 proven. 120 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-09 06:39:51,758 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:39:52,052 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_582 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse1 (store |c_#memory_int| c_~double_Array_0_arraydouble_Array_0arrayVar2_Pointer~0.base v_ArrVal_582))) (let ((.cse0 (select (select .cse1 c_~signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer~0.base) c_~signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer~0.offset))) (bvsge (bvmul .cse0 (_ bv2 32)) (bvadd .cse0 ((_ sign_extend 24) ((_ extract 7 0) (select (select .cse1 c_~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.base) c_~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.offset)))))))) is different from false [2024-11-09 06:39:52,432 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_581 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_582 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse2 (store |c_#memory_int| c_~double_Array_0_arraydouble_Array_0arrayVar1_Pointer~0.base v_ArrVal_581))) (or (let ((.cse1 (store .cse2 c_~double_Array_0_arraydouble_Array_0arrayVar2_Pointer~0.base v_ArrVal_582))) (let ((.cse0 (select (select .cse1 c_~signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer~0.base) c_~signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer~0.offset))) (bvsge (bvmul .cse0 (_ bv2 32)) (bvadd .cse0 ((_ sign_extend 24) ((_ extract 7 0) (select (select .cse1 c_~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.base) c_~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.offset))))))) (not (let ((.cse3 (select (select .cse2 c_~signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer~0.base) c_~signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer~0.offset))) (bvsge (bvmul (_ bv2 32) .cse3) (bvadd ((_ sign_extend 24) ((_ extract 7 0) (select (select .cse2 c_~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.base) c_~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.offset))) .cse3))))))) is different from false [2024-11-09 06:39:52,597 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_581 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_582 (Array (_ BitVec 32) (_ BitVec 32))) (~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.offset (_ BitVec 32))) (let ((.cse1 (store (store |c_#memory_int| c_~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.base (store (select |c_#memory_int| c_~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.base) ~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.offset ((_ sign_extend 24) ((_ extract 7 0) (select (select |c_#memory_int| c_~signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer~0.base) c_~signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer~0.offset))))) c_~double_Array_0_arraydouble_Array_0arrayVar1_Pointer~0.base v_ArrVal_581))) (or (not (let ((.cse0 (select (select .cse1 c_~signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer~0.base) c_~signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer~0.offset))) (bvsge (bvmul (_ bv2 32) .cse0) (bvadd ((_ sign_extend 24) ((_ extract 7 0) (select (select .cse1 c_~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.base) ~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.offset))) .cse0)))) (let ((.cse3 (store .cse1 c_~double_Array_0_arraydouble_Array_0arrayVar2_Pointer~0.base v_ArrVal_582))) (let ((.cse2 (select (select .cse3 c_~signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer~0.base) c_~signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer~0.offset))) (bvsge (bvmul .cse2 (_ bv2 32)) (bvadd .cse2 ((_ sign_extend 24) ((_ extract 7 0) (select (select .cse3 c_~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.base) ~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.offset)))))))))) is different from false [2024-11-09 06:39:52,790 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:39:52,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [429056428] [2024-11-09 06:39:52,790 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [429056428] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:39:52,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [770620473] [2024-11-09 06:39:52,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:39:52,791 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 06:39:52,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 06:39:52,794 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 06:39:52,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-11-09 06:39:53,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:39:53,947 INFO L255 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-09 06:39:53,951 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:39:55,239 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-09 06:39:55,302 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 [2024-11-09 06:39:55,872 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 26 [2024-11-09 06:39:56,059 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 23 [2024-11-09 06:39:56,391 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-09 06:39:56,391 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:39:56,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [770620473] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:39:56,391 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 06:39:56,391 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [19] total 25 [2024-11-09 06:39:56,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891764364] [2024-11-09 06:39:56,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:39:56,392 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 06:39:56,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:39:56,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 06:39:56,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=152, Invalid=726, Unknown=4, NotChecked=174, Total=1056 [2024-11-09 06:39:56,393 INFO L87 Difference]: Start difference. First operand 359 states and 447 transitions. Second operand has 8 states, 8 states have (on average 5.75) internal successors, (46), 7 states have internal predecessors, (46), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-09 06:39:58,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:39:58,304 INFO L93 Difference]: Finished difference Result 628 states and 790 transitions. [2024-11-09 06:39:58,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 06:39:58,305 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.75) internal successors, (46), 7 states have internal predecessors, (46), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 88 [2024-11-09 06:39:58,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:39:58,307 INFO L225 Difference]: With dead ends: 628 [2024-11-09 06:39:58,307 INFO L226 Difference]: Without dead ends: 417 [2024-11-09 06:39:58,308 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 346 ImplicationChecksByTransitivity, 9.8s TimeCoverageRelationStatistics Valid=192, Invalid=938, Unknown=4, NotChecked=198, Total=1332 [2024-11-09 06:39:58,308 INFO L432 NwaCegarLoop]: 107 mSDtfsCounter, 222 mSDsluCounter, 214 mSDsCounter, 0 mSdLazyCounter, 326 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 222 SdHoareTripleChecker+Valid, 321 SdHoareTripleChecker+Invalid, 331 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 326 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-09 06:39:58,309 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [222 Valid, 321 Invalid, 331 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 326 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-09 06:39:58,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 417 states. [2024-11-09 06:39:58,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 417 to 357. [2024-11-09 06:39:58,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 357 states, 310 states have (on average 1.2483870967741935) internal successors, (387), 310 states have internal predecessors, (387), 28 states have call successors, (28), 18 states have call predecessors, (28), 18 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-09 06:39:58,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 443 transitions. [2024-11-09 06:39:58,377 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 443 transitions. Word has length 88 [2024-11-09 06:39:58,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:39:58,377 INFO L471 AbstractCegarLoop]: Abstraction has 357 states and 443 transitions. [2024-11-09 06:39:58,377 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.75) internal successors, (46), 7 states have internal predecessors, (46), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-09 06:39:58,377 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 443 transitions. [2024-11-09 06:39:58,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-09 06:39:58,378 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:39:58,378 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:39:58,387 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2024-11-09 06:39:58,584 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (26)] Forceful destruction successful, exit code 0 [2024-11-09 06:39:58,779 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt,26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 06:39:58,779 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:39:58,779 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:39:58,780 INFO L85 PathProgramCache]: Analyzing trace with hash 1650297396, now seen corresponding path program 1 times [2024-11-09 06:39:58,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:39:58,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [955875614] [2024-11-09 06:39:58,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:39:58,780 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 06:39:58,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:39:58,781 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 06:39:58,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (28)] Waiting until timeout for monitored process [2024-11-09 06:39:59,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:39:59,156 INFO L255 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-11-09 06:39:59,161 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:40:02,750 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 97 treesize of output 70 [2024-11-09 06:40:03,865 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 97 treesize of output 70 [2024-11-09 06:40:05,141 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 97 treesize of output 70 [2024-11-09 06:40:05,545 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 105 treesize of output 71 [2024-11-09 06:40:12,490 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 15 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 167 treesize of output 115 [2024-11-09 06:40:13,426 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 287 treesize of output 127 [2024-11-09 06:40:14,161 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 104 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-09 06:40:14,161 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:41:06,692 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:41:06,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [955875614] [2024-11-09 06:41:06,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [955875614] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:41:06,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [55415415] [2024-11-09 06:41:06,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:41:06,692 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 06:41:06,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 06:41:06,693 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 06:41:06,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e794109e-10d1-4500-8b09-b4e1108239b7/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-11-09 06:41:08,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:41:08,493 INFO L255 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 44 conjuncts are in the unsatisfiable core [2024-11-09 06:41:08,499 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:41:14,295 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2024-11-09 06:41:30,672 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 113 treesize of output 82 [2024-11-09 06:41:34,236 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 113 treesize of output 82