./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-34.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-34.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh --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 efbce6a3c3cc86de2fbc1d4647db693e04b33292f9edfaeea674d0c6a2cba64f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 15:04:00,674 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 15:04:00,748 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-12-02 15:04:00,755 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 15:04:00,756 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 15:04:00,784 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 15:04:00,785 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 15:04:00,785 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 15:04:00,786 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 15:04:00,787 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 15:04:00,787 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 15:04:00,788 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 15:04:00,788 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 15:04:00,789 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 15:04:00,790 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 15:04:00,790 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 15:04:00,791 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 15:04:00,791 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 15:04:00,792 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 15:04:00,792 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 15:04:00,793 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 15:04:00,797 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 15:04:00,798 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 15:04:00,798 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 15:04:00,799 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 15:04:00,799 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 15:04:00,799 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 15:04:00,800 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 15:04:00,800 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 15:04:00,801 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 15:04:00,801 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 15:04:00,801 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 15:04:00,802 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 15:04:00,802 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 15:04:00,802 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 15:04:00,803 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 15:04:00,803 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 15:04:00,803 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 15:04:00,803 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 15:04:00,803 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 15:04:00,804 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 15:04:00,804 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 15:04:00,804 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 15:04:00,805 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 15:04:00,805 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 15:04:00,805 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 15:04:00,805 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 15:04:00,805 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_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> efbce6a3c3cc86de2fbc1d4647db693e04b33292f9edfaeea674d0c6a2cba64f [2023-12-02 15:04:01,039 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 15:04:01,059 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 15:04:01,062 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 15:04:01,063 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 15:04:01,064 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 15:04:01,065 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-34.i [2023-12-02 15:04:03,851 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 15:04:04,060 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 15:04:04,060 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-34.i [2023-12-02 15:04:04,069 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/data/30ddde780/f035f0bb4d4a4a4eb0f40aa6a96e2689/FLAG2d4158c0c [2023-12-02 15:04:04,080 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/data/30ddde780/f035f0bb4d4a4a4eb0f40aa6a96e2689 [2023-12-02 15:04:04,083 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 15:04:04,085 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 15:04:04,086 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 15:04:04,087 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 15:04:04,092 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 15:04:04,093 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:04:04" (1/1) ... [2023-12-02 15:04:04,094 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a96d75c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:04:04, skipping insertion in model container [2023-12-02 15:04:04,095 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:04:04" (1/1) ... [2023-12-02 15:04:04,133 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 15:04:04,261 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-34.i[917,930] [2023-12-02 15:04:04,324 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 15:04:04,336 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 15:04:04,346 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-34.i[917,930] [2023-12-02 15:04:04,378 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 15:04:04,400 INFO L206 MainTranslator]: Completed translation [2023-12-02 15:04:04,401 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:04:04 WrapperNode [2023-12-02 15:04:04,401 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 15:04:04,402 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 15:04:04,402 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 15:04:04,402 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 15:04:04,411 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:04:04" (1/1) ... [2023-12-02 15:04:04,426 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:04:04" (1/1) ... [2023-12-02 15:04:04,466 INFO L138 Inliner]: procedures = 29, calls = 153, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 413 [2023-12-02 15:04:04,467 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 15:04:04,467 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 15:04:04,467 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 15:04:04,468 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 15:04:04,477 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:04:04" (1/1) ... [2023-12-02 15:04:04,478 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:04:04" (1/1) ... [2023-12-02 15:04:04,485 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:04:04" (1/1) ... [2023-12-02 15:04:04,485 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:04:04" (1/1) ... [2023-12-02 15:04:04,502 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:04:04" (1/1) ... [2023-12-02 15:04:04,506 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:04:04" (1/1) ... [2023-12-02 15:04:04,509 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:04:04" (1/1) ... [2023-12-02 15:04:04,511 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:04:04" (1/1) ... [2023-12-02 15:04:04,516 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 15:04:04,517 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 15:04:04,517 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 15:04:04,517 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 15:04:04,518 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:04:04" (1/1) ... [2023-12-02 15:04:04,525 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 15:04:04,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 15:04:04,552 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 15:04:04,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 15:04:04,591 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 15:04:04,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 15:04:04,591 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-12-02 15:04:04,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-12-02 15:04:04,591 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 15:04:04,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2023-12-02 15:04:04,592 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 15:04:04,592 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 15:04:04,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 15:04:04,592 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 15:04:04,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 15:04:04,722 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 15:04:04,725 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 15:04:05,235 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 15:04:05,706 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 15:04:05,706 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 15:04:05,708 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:04:05 BoogieIcfgContainer [2023-12-02 15:04:05,708 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 15:04:05,711 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 15:04:05,711 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 15:04:05,714 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 15:04:05,715 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:04:04" (1/3) ... [2023-12-02 15:04:05,715 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47d5c586 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:04:05, skipping insertion in model container [2023-12-02 15:04:05,716 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:04:04" (2/3) ... [2023-12-02 15:04:05,716 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47d5c586 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:04:05, skipping insertion in model container [2023-12-02 15:04:05,716 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:04:05" (3/3) ... [2023-12-02 15:04:05,718 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-ap_file-34.i [2023-12-02 15:04:05,738 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 15:04:05,738 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 15:04:05,827 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 15:04:05,835 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=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;@64d2b679, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 15:04:05,836 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 15:04:05,842 INFO L276 IsEmpty]: Start isEmpty. Operand has 55 states, 29 states have (on average 1.103448275862069) internal successors, (32), 30 states have internal predecessors, (32), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-12-02 15:04:05,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-12-02 15:04:05,856 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:04:05,857 INFO L195 NwaCegarLoop]: trace histogram [23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:04:05,858 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:04:05,879 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:04:05,880 INFO L85 PathProgramCache]: Analyzing trace with hash 321988218, now seen corresponding path program 1 times [2023-12-02 15:04:05,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:04:05,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [495627796] [2023-12-02 15:04:05,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:04:05,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:04:07,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 15:04:07,171 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 15:04:08,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 15:04:08,221 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-12-02 15:04:08,222 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 15:04:08,224 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-02 15:04:08,226 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-02 15:04:08,230 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-12-02 15:04:08,235 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 15:04:08,305 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem34 could not be translated [2023-12-02 15:04:08,308 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem34 could not be translated [2023-12-02 15:04:08,308 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem35 could not be translated [2023-12-02 15:04:08,310 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem35 could not be translated [2023-12-02 15:04:08,311 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem37 could not be translated [2023-12-02 15:04:08,312 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem37 could not be translated [2023-12-02 15:04:08,313 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem38 could not be translated [2023-12-02 15:04:08,314 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem38 could not be translated [2023-12-02 15:04:08,315 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem40 could not be translated [2023-12-02 15:04:08,317 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem40 could not be translated [2023-12-02 15:04:08,318 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem41 could not be translated [2023-12-02 15:04:08,319 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem41 could not be translated [2023-12-02 15:04:08,320 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated [2023-12-02 15:04:08,321 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated [2023-12-02 15:04:08,321 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated [2023-12-02 15:04:08,322 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated [2023-12-02 15:04:08,323 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated [2023-12-02 15:04:08,324 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated [2023-12-02 15:04:08,324 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated [2023-12-02 15:04:08,325 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated [2023-12-02 15:04:08,326 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated [2023-12-02 15:04:08,326 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated [2023-12-02 15:04:08,326 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem53 could not be translated [2023-12-02 15:04:08,326 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated [2023-12-02 15:04:08,326 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short54 could not be translated [2023-12-02 15:04:08,326 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short55 could not be translated [2023-12-02 15:04:08,327 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short51 could not be translated [2023-12-02 15:04:08,327 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short54 could not be translated [2023-12-02 15:04:08,327 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated [2023-12-02 15:04:08,328 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem53 could not be translated [2023-12-02 15:04:08,328 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated [2023-12-02 15:04:08,328 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short51 could not be translated [2023-12-02 15:04:08,328 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated [2023-12-02 15:04:08,328 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short55 could not be translated [2023-12-02 15:04:08,329 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated [2023-12-02 15:04:08,329 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated [2023-12-02 15:04:08,330 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated [2023-12-02 15:04:08,331 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated [2023-12-02 15:04:08,331 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated [2023-12-02 15:04:08,332 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated [2023-12-02 15:04:08,332 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated [2023-12-02 15:04:08,333 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated [2023-12-02 15:04:08,333 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated [2023-12-02 15:04:08,334 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated [2023-12-02 15:04:08,334 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated [2023-12-02 15:04:08,335 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated [2023-12-02 15:04:08,335 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated [2023-12-02 15:04:08,336 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated [2023-12-02 15:04:08,336 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated [2023-12-02 15:04:08,337 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated [2023-12-02 15:04:08,337 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated [2023-12-02 15:04:08,338 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated [2023-12-02 15:04:08,338 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated [2023-12-02 15:04:08,339 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated [2023-12-02 15:04:08,339 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem72 could not be translated [2023-12-02 15:04:08,340 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem72 could not be translated [2023-12-02 15:04:08,340 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem73 could not be translated [2023-12-02 15:04:08,341 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem73 could not be translated [2023-12-02 15:04:08,365 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 03:04:08 BoogieIcfgContainer [2023-12-02 15:04:08,366 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 15:04:08,366 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 15:04:08,366 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 15:04:08,367 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 15:04:08,367 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:04:05" (3/4) ... [2023-12-02 15:04:08,369 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 15:04:08,370 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 15:04:08,371 INFO L158 Benchmark]: Toolchain (without parser) took 4286.52ms. Allocated memory was 151.0MB in the beginning and 237.0MB in the end (delta: 86.0MB). Free memory was 115.9MB in the beginning and 61.9MB in the end (delta: 54.0MB). Peak memory consumption was 141.6MB. Max. memory is 16.1GB. [2023-12-02 15:04:08,372 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 100.7MB. Free memory is still 50.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 15:04:08,373 INFO L158 Benchmark]: CACSL2BoogieTranslator took 314.99ms. Allocated memory is still 151.0MB. Free memory was 115.4MB in the beginning and 100.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-02 15:04:08,373 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.68ms. Allocated memory is still 151.0MB. Free memory was 100.7MB in the beginning and 97.2MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 15:04:08,374 INFO L158 Benchmark]: Boogie Preprocessor took 48.48ms. Allocated memory is still 151.0MB. Free memory was 97.2MB in the beginning and 94.4MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 15:04:08,375 INFO L158 Benchmark]: RCFGBuilder took 1191.80ms. Allocated memory was 151.0MB in the beginning and 184.5MB in the end (delta: 33.6MB). Free memory was 93.9MB in the beginning and 76.6MB in the end (delta: 17.3MB). Peak memory consumption was 58.6MB. Max. memory is 16.1GB. [2023-12-02 15:04:08,375 INFO L158 Benchmark]: TraceAbstraction took 2655.02ms. Allocated memory was 184.5MB in the beginning and 237.0MB in the end (delta: 52.4MB). Free memory was 75.7MB in the beginning and 62.8MB in the end (delta: 12.9MB). Peak memory consumption was 66.3MB. Max. memory is 16.1GB. [2023-12-02 15:04:08,376 INFO L158 Benchmark]: Witness Printer took 4.09ms. Allocated memory is still 237.0MB. Free memory is still 61.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 15:04:08,379 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 100.7MB. Free memory is still 50.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 314.99ms. Allocated memory is still 151.0MB. Free memory was 115.4MB in the beginning and 100.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.68ms. Allocated memory is still 151.0MB. Free memory was 100.7MB in the beginning and 97.2MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.48ms. Allocated memory is still 151.0MB. Free memory was 97.2MB in the beginning and 94.4MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1191.80ms. Allocated memory was 151.0MB in the beginning and 184.5MB in the end (delta: 33.6MB). Free memory was 93.9MB in the beginning and 76.6MB in the end (delta: 17.3MB). Peak memory consumption was 58.6MB. Max. memory is 16.1GB. * TraceAbstraction took 2655.02ms. Allocated memory was 184.5MB in the beginning and 237.0MB in the end (delta: 52.4MB). Free memory was 75.7MB in the beginning and 62.8MB in the end (delta: 12.9MB). Peak memory consumption was 66.3MB. Max. memory is 16.1GB. * Witness Printer took 4.09ms. Allocated memory is still 237.0MB. Free memory is still 61.9MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem34 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem34 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem35 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem35 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem37 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem37 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem38 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem38 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem40 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem40 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem41 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem41 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem53 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short54 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short55 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short51 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short54 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem53 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short51 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short55 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem72 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem72 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem73 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem73 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 56, overapproximation of someUnaryDOUBLEoperation at line 56. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[2][3] = { {0, 1, 1}, {0, 0, 1} }; [L25] unsigned char* BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer = &(BOOL_unsigned_char_Array_0[0][0]); [L26] unsigned char* BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer = &(BOOL_unsigned_char_Array_0[1][0]); [L27] unsigned char* BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer = &(BOOL_unsigned_char_Array_0[0][1]); [L28] unsigned char* BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer = &(BOOL_unsigned_char_Array_0[1][1]); [L29] unsigned char* BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer = &(BOOL_unsigned_char_Array_0[0][2]); [L30] unsigned char* BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer = &(BOOL_unsigned_char_Array_0[1][2]); [L31-L33] double double_Array_0[2] = { 10.6, 16.6 }; [L34] double* double_Array_0_arraydouble_Array_0arrayVar0_Pointer = &(double_Array_0[0]); [L35] double* double_Array_0_arraydouble_Array_0arrayVar1_Pointer = &(double_Array_0[1]); [L36-L38] signed char signed_char_Array_0[5] = { 10, 4, 64, -4, 32 }; [L39] signed char* signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer = &(signed_char_Array_0[0]); [L40] signed char* signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer = &(signed_char_Array_0[1]); [L41] signed char* signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer = &(signed_char_Array_0[2]); [L42] signed char* signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer = &(signed_char_Array_0[3]); [L43] signed char* signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer = &(signed_char_Array_0[4]); [L44-L46] unsigned char unsigned_char_Array_0[3] = { 64, 100, 100 }; [L47] unsigned char* unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer = &(unsigned_char_Array_0[0]); [L48] unsigned char* unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer = &(unsigned_char_Array_0[1]); [L49] unsigned char* unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer = &(unsigned_char_Array_0[2]); [L50] unsigned char last_1_BOOL_unsigned_char_Array_0_1__1_ = 0; [L122] isInitial = 1 [L123] FCALL initially() [L124] COND TRUE 1 [L125] CALL updateLastVariables() [L115] EXPR BOOL_unsigned_char_Array_0[1][1] [L115] last_1_BOOL_unsigned_char_Array_0_1__1_ = BOOL_unsigned_char_Array_0[1][1] [L125] RET updateLastVariables() [L126] CALL updateVariables() [L78] BOOL_unsigned_char_Array_0[0][0] = __VERIFIER_nondet_uchar() [L79] EXPR 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={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:4}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer={4:5}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, 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_char_Array_0_arraysigned_char_Array_0Var3_Pointer={6:3}, signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer={6:4}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={7:2}] [L79] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[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={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:4}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer={4:5}, \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}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, 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_char_Array_0_arraysigned_char_Array_0Var3_Pointer={6:3}, signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer={6:4}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={7:2}] [L20] COND FALSE !(!cond) [L79] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[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={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:4}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer={4:5}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, 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_char_Array_0_arraysigned_char_Array_0Var3_Pointer={6:3}, signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer={6:4}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={7:2}] [L80] EXPR 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={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:4}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer={4:5}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, 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_char_Array_0_arraysigned_char_Array_0Var3_Pointer={6:3}, signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer={6:4}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={7:2}] [L80] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[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={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:4}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer={4:5}, \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}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, 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_char_Array_0_arraysigned_char_Array_0Var3_Pointer={6:3}, signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer={6:4}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={7:2}] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[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={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:4}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer={4:5}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, 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_char_Array_0_arraysigned_char_Array_0Var3_Pointer={6:3}, signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer={6:4}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={7:2}] [L81] BOOL_unsigned_char_Array_0[1][0] = __VERIFIER_nondet_uchar() [L82] EXPR 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={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:4}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer={4:5}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, 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_char_Array_0_arraysigned_char_Array_0Var3_Pointer={6:3}, signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer={6:4}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={7:2}] [L82] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[1][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={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:4}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer={4:5}, \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}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, 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_char_Array_0_arraysigned_char_Array_0Var3_Pointer={6:3}, signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer={6:4}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={7:2}] [L20] COND FALSE !(!cond) [L82] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[1][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={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:4}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer={4:5}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, 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_char_Array_0_arraysigned_char_Array_0Var3_Pointer={6:3}, signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer={6:4}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={7:2}] [L83] EXPR 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={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:4}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer={4:5}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, 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_char_Array_0_arraysigned_char_Array_0Var3_Pointer={6:3}, signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer={6:4}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={7:2}] [L83] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[1][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={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:4}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer={4:5}, \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}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, 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_char_Array_0_arraysigned_char_Array_0Var3_Pointer={6:3}, signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer={6:4}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={7:2}] [L20] COND FALSE !(!cond) [L83] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[1][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={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:4}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer={4:5}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, 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_char_Array_0_arraysigned_char_Array_0Var3_Pointer={6:3}, signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer={6:4}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={7:2}] [L84] BOOL_unsigned_char_Array_0[0][1] = __VERIFIER_nondet_uchar() [L85] EXPR 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={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:4}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer={4:5}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, 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_char_Array_0_arraysigned_char_Array_0Var3_Pointer={6:3}, signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer={6:4}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={7:2}] [L85] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[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={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:4}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer={4:5}, \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}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, 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_char_Array_0_arraysigned_char_Array_0Var3_Pointer={6:3}, signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer={6:4}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={7:2}] [L20] COND FALSE !(!cond) [L85] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[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={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:4}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer={4:5}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, 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_char_Array_0_arraysigned_char_Array_0Var3_Pointer={6:3}, signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer={6:4}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={7:2}] [L86] EXPR 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={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:4}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer={4:5}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, 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_char_Array_0_arraysigned_char_Array_0Var3_Pointer={6:3}, signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer={6:4}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={7:2}] [L86] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[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={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:4}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer={4:5}, \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}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, 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_char_Array_0_arraysigned_char_Array_0Var3_Pointer={6:3}, signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer={6:4}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={7:2}] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[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={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:4}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer={4:5}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, 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_char_Array_0_arraysigned_char_Array_0Var3_Pointer={6:3}, signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer={6:4}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={7:2}] [L87] BOOL_unsigned_char_Array_0[0][2] = __VERIFIER_nondet_uchar() [L88] EXPR BOOL_unsigned_char_Array_0[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={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:4}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer={4:5}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, 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_char_Array_0_arraysigned_char_Array_0Var3_Pointer={6:3}, signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer={6:4}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={7:2}] [L88] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0][2] >= 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={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:4}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer={4:5}, \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}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, 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_char_Array_0_arraysigned_char_Array_0Var3_Pointer={6:3}, signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer={6:4}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={7:2}] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0][2] >= 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={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:4}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer={4:5}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, 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_char_Array_0_arraysigned_char_Array_0Var3_Pointer={6:3}, signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer={6:4}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={7:2}] [L89] EXPR BOOL_unsigned_char_Array_0[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={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:4}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer={4:5}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, 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_char_Array_0_arraysigned_char_Array_0Var3_Pointer={6:3}, signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer={6:4}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={7:2}] [L89] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0][2] <= 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={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:4}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer={4:5}, \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}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, 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_char_Array_0_arraysigned_char_Array_0Var3_Pointer={6:3}, signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer={6:4}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={7:2}] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0][2] <= 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={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:4}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer={4:5}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, 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_char_Array_0_arraysigned_char_Array_0Var3_Pointer={6:3}, signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer={6:4}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={7:2}] [L90] BOOL_unsigned_char_Array_0[1][2] = __VERIFIER_nondet_uchar() [L91] EXPR BOOL_unsigned_char_Array_0[1][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={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:4}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer={4:5}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, 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_char_Array_0_arraysigned_char_Array_0Var3_Pointer={6:3}, signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer={6:4}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={7:2}] [L91] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[1][2] >= 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={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:4}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer={4:5}, \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}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, 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_char_Array_0_arraysigned_char_Array_0Var3_Pointer={6:3}, signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer={6:4}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={7:2}] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[1][2] >= 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={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:4}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer={4:5}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, 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_char_Array_0_arraysigned_char_Array_0Var3_Pointer={6:3}, signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer={6:4}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={7:2}] [L92] EXPR BOOL_unsigned_char_Array_0[1][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={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:4}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer={4:5}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, 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_char_Array_0_arraysigned_char_Array_0Var3_Pointer={6:3}, signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer={6:4}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={7:2}] [L92] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[1][2] <= 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={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:4}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer={4:5}, \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}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, 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_char_Array_0_arraysigned_char_Array_0Var3_Pointer={6:3}, signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer={6:4}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={7:2}] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[1][2] <= 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={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:4}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer={4:5}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, 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_char_Array_0_arraysigned_char_Array_0Var3_Pointer={6:3}, signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer={6:4}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={7:2}] [L93] double_Array_0[0] = __VERIFIER_nondet_double() [L94] EXPR double_Array_0[0] [L94] EXPR double_Array_0[0] >= -922337.2036854765600e+13F && double_Array_0[0] <= -1.0e-20F [L94] 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 ) [L94] EXPR double_Array_0[0] [L94] EXPR double_Array_0[0] <= 9223372.036854765600e+12F && double_Array_0[0] >= 1.0e-20F [L94] EXPR double_Array_0[0] [L94] EXPR double_Array_0[0] <= 9223372.036854765600e+12F && double_Array_0[0] >= 1.0e-20F [L94] 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={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:4}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer={4:5}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, 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_char_Array_0_arraysigned_char_Array_0Var3_Pointer={6:3}, signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer={6:4}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={7:2}] [L94] 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={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:4}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer={4:5}, \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}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, 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_char_Array_0_arraysigned_char_Array_0Var3_Pointer={6:3}, signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer={6:4}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={7:2}] [L20] COND FALSE !(!cond) [L94] 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={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:4}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer={4:5}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, 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_char_Array_0_arraysigned_char_Array_0Var3_Pointer={6:3}, signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer={6:4}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={7:2}] [L95] signed_char_Array_0[1] = __VERIFIER_nondet_char() [L96] 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={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:4}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer={4:5}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, 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_char_Array_0_arraysigned_char_Array_0Var3_Pointer={6:3}, signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer={6:4}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={7:2}] [L96] CALL assume_abort_if_not(signed_char_Array_0[1] >= -127) 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={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:4}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer={4:5}, \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}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, 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_char_Array_0_arraysigned_char_Array_0Var3_Pointer={6:3}, signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer={6:4}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={7:2}] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not(signed_char_Array_0[1] >= -127) 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={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:4}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer={4:5}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, 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_char_Array_0_arraysigned_char_Array_0Var3_Pointer={6:3}, signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer={6:4}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={7:2}] [L97] 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={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:4}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer={4:5}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, 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_char_Array_0_arraysigned_char_Array_0Var3_Pointer={6:3}, signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer={6:4}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={7:2}] [L97] CALL assume_abort_if_not(signed_char_Array_0[1] <= 126) 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={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:4}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer={4:5}, \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}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, 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_char_Array_0_arraysigned_char_Array_0Var3_Pointer={6:3}, signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer={6:4}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={7:2}] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not(signed_char_Array_0[1] <= 126) 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={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:4}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer={4:5}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, 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_char_Array_0_arraysigned_char_Array_0Var3_Pointer={6:3}, signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer={6:4}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={7:2}] [L98] signed_char_Array_0[3] = __VERIFIER_nondet_char() [L99] EXPR signed_char_Array_0[3] 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={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:4}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer={4:5}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, 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_char_Array_0_arraysigned_char_Array_0Var3_Pointer={6:3}, signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer={6:4}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={7:2}] [L99] CALL assume_abort_if_not(signed_char_Array_0[3] >= -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={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:4}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer={4:5}, \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}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, 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_char_Array_0_arraysigned_char_Array_0Var3_Pointer={6:3}, signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer={6:4}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={7:2}] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not(signed_char_Array_0[3] >= -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={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:4}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer={4:5}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, 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_char_Array_0_arraysigned_char_Array_0Var3_Pointer={6:3}, signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer={6:4}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={7:2}] [L100] EXPR signed_char_Array_0[3] 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={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:4}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer={4:5}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, 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_char_Array_0_arraysigned_char_Array_0Var3_Pointer={6:3}, signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer={6:4}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={7:2}] [L100] CALL assume_abort_if_not(signed_char_Array_0[3] <= 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={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:4}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer={4:5}, \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}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, 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_char_Array_0_arraysigned_char_Array_0Var3_Pointer={6:3}, signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer={6:4}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={7:2}] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(signed_char_Array_0[3] <= 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={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:4}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer={4:5}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, 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_char_Array_0_arraysigned_char_Array_0Var3_Pointer={6:3}, signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer={6:4}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={7:2}] [L101] signed_char_Array_0[4] = __VERIFIER_nondet_char() [L102] EXPR signed_char_Array_0[4] 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={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:4}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer={4:5}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, 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_char_Array_0_arraysigned_char_Array_0Var3_Pointer={6:3}, signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer={6:4}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={7:2}] [L102] CALL assume_abort_if_not(signed_char_Array_0[4] >= -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={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:4}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer={4:5}, \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}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, 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_char_Array_0_arraysigned_char_Array_0Var3_Pointer={6:3}, signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer={6:4}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={7:2}] [L20] COND FALSE !(!cond) [L102] RET assume_abort_if_not(signed_char_Array_0[4] >= -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={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:4}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer={4:5}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, 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_char_Array_0_arraysigned_char_Array_0Var3_Pointer={6:3}, signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer={6:4}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={7:2}] [L103] EXPR signed_char_Array_0[4] 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={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:4}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer={4:5}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, 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_char_Array_0_arraysigned_char_Array_0Var3_Pointer={6:3}, signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer={6:4}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={7:2}] [L103] CALL assume_abort_if_not(signed_char_Array_0[4] <= 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={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:4}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer={4:5}, \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}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, 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_char_Array_0_arraysigned_char_Array_0Var3_Pointer={6:3}, signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer={6:4}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={7:2}] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not(signed_char_Array_0[4] <= 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={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:4}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer={4:5}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, 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_char_Array_0_arraysigned_char_Array_0Var3_Pointer={6:3}, signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer={6:4}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={7:2}] [L104] unsigned_char_Array_0[0] = __VERIFIER_nondet_uchar() [L105] EXPR 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={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:4}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer={4:5}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, 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_char_Array_0_arraysigned_char_Array_0Var3_Pointer={6:3}, signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer={6:4}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={7:2}] [L105] CALL assume_abort_if_not(unsigned_char_Array_0[0] >= 64) 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={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:4}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer={4:5}, \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}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, 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_char_Array_0_arraysigned_char_Array_0Var3_Pointer={6:3}, signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer={6:4}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={7:2}] [L20] COND FALSE !(!cond) [L105] RET assume_abort_if_not(unsigned_char_Array_0[0] >= 64) 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={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:4}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer={4:5}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, 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_char_Array_0_arraysigned_char_Array_0Var3_Pointer={6:3}, signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer={6:4}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={7:2}] [L106] EXPR 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={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:4}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer={4:5}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, 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_char_Array_0_arraysigned_char_Array_0Var3_Pointer={6:3}, signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer={6:4}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={7:2}] [L106] CALL assume_abort_if_not(unsigned_char_Array_0[0] <= 127) 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={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:4}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer={4:5}, \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}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, 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_char_Array_0_arraysigned_char_Array_0Var3_Pointer={6:3}, signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer={6:4}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={7:2}] [L20] COND FALSE !(!cond) [L106] RET assume_abort_if_not(unsigned_char_Array_0[0] <= 127) 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={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:4}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer={4:5}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, 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_char_Array_0_arraysigned_char_Array_0Var3_Pointer={6:3}, signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer={6:4}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={7:2}] [L107] unsigned_char_Array_0[1] = __VERIFIER_nondet_uchar() [L108] EXPR 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={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:4}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer={4:5}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, 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_char_Array_0_arraysigned_char_Array_0Var3_Pointer={6:3}, signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer={6:4}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={7:2}] [L108] CALL assume_abort_if_not(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={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:4}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer={4:5}, \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}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, 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_char_Array_0_arraysigned_char_Array_0Var3_Pointer={6:3}, signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer={6:4}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={7:2}] [L20] COND FALSE !(!cond) [L108] RET assume_abort_if_not(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={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:4}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer={4:5}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, 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_char_Array_0_arraysigned_char_Array_0Var3_Pointer={6:3}, signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer={6:4}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={7:2}] [L109] EXPR 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={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:4}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer={4:5}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, 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_char_Array_0_arraysigned_char_Array_0Var3_Pointer={6:3}, signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer={6:4}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={7:2}] [L109] CALL assume_abort_if_not(unsigned_char_Array_0[1] <= 127) 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={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:4}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer={4:5}, \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}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, 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_char_Array_0_arraysigned_char_Array_0Var3_Pointer={6:3}, signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer={6:4}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={7:2}] [L20] COND FALSE !(!cond) [L109] RET assume_abort_if_not(unsigned_char_Array_0[1] <= 127) 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={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:4}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer={4:5}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, 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_char_Array_0_arraysigned_char_Array_0Var3_Pointer={6:3}, signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer={6:4}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={7:2}] [L110] unsigned_char_Array_0[2] = __VERIFIER_nondet_uchar() [L111] EXPR unsigned_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={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:4}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer={4:5}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, 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_char_Array_0_arraysigned_char_Array_0Var3_Pointer={6:3}, signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer={6:4}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={7:2}] [L111] CALL assume_abort_if_not(unsigned_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={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:4}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer={4:5}, \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}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, 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_char_Array_0_arraysigned_char_Array_0Var3_Pointer={6:3}, signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer={6:4}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={7:2}] [L20] COND FALSE !(!cond) [L111] RET assume_abort_if_not(unsigned_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={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:4}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer={4:5}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, 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_char_Array_0_arraysigned_char_Array_0Var3_Pointer={6:3}, signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer={6:4}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={7:2}] [L112] EXPR unsigned_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={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:4}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer={4:5}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, 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_char_Array_0_arraysigned_char_Array_0Var3_Pointer={6:3}, signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer={6:4}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={7:2}] [L112] CALL assume_abort_if_not(unsigned_char_Array_0[2] <= 128) 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={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:4}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer={4:5}, \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}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, 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_char_Array_0_arraysigned_char_Array_0Var3_Pointer={6:3}, signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer={6:4}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={7:2}] [L20] COND FALSE !(!cond) [L112] RET assume_abort_if_not(unsigned_char_Array_0[2] <= 128) 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={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:4}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer={4:5}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, 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_char_Array_0_arraysigned_char_Array_0Var3_Pointer={6:3}, signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer={6:4}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={7:2}] [L126] RET updateVariables() [L127] CALL step() [L54] COND FALSE !(\read(last_1_BOOL_unsigned_char_Array_0_1__1_)) [L59] EXPR \read(*double_Array_0_arraydouble_Array_0arrayVar1_Pointer) [L59] EXPR \read(*double_Array_0_arraydouble_Array_0arrayVar0_Pointer) [L59] EXPR \read(*double_Array_0_arraydouble_Array_0arrayVar1_Pointer) [L59] COND FALSE !((*(double_Array_0_arraydouble_Array_0arrayVar1_Pointer)) >= (- ((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer)) * (*(double_Array_0_arraydouble_Array_0arrayVar1_Pointer))))) [L62] EXPR \read(*BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer) [L62] (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer)) || (256 >= ((*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer)) + 4)) [L62] EXPR \read(*signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer) [L62] (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer)) || (256 >= ((*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer)) + 4)) [L62] COND TRUE (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer)) || (256 >= ((*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer)) + 4)) [L63] EXPR \read(*BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer) [L63] EXPR (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer)) || (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer)) [L63] EXPR \read(*BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer) [L63] EXPR (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer)) || (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer)) [L63] EXPR ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer)) || (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer))) || (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer)) [L63] EXPR \read(*BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer) [L63] EXPR ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer)) || (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer))) || (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer)) [L63] (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer)) = (((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer)) || (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer))) || (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer))) [L67] EXPR \read(*unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer) [L67] EXPR \read(*unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer) [L67] EXPR \read(*unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer) [L67] EXPR (((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer))) < (1)) ? ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer))) : (1) [L67] signed long int stepLocal_1 = ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer)) + (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer))) - (((((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer))) < (1)) ? ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer))) : (1))); [L68] EXPR \read(*signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer) [L68] signed char stepLocal_0 = (*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer)); [L69] COND FALSE !(-10 >= stepLocal_0) [L127] RET step() [L128] CALL, EXPR property() [L118] EXPR last_1_BOOL_unsigned_char_Array_0_1__1_ ? (last_1_BOOL_unsigned_char_Array_0_1__1_ ? ((*(double_Array_0_arraydouble_Array_0arrayVar1_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) : 1 [L118] EXPR (last_1_BOOL_unsigned_char_Array_0_1__1_ ? (last_1_BOOL_unsigned_char_Array_0_1__1_ ? ((*(double_Array_0_arraydouble_Array_0arrayVar1_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) : 1) && (((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer)) || (256 >= ((*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer)) + 4))) ? ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer)) == ((unsigned char) (((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer)) || (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer))) || (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer))))) : ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer)) == ((unsigned char) (! (! ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer)) || (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer)))))))) [L118] EXPR \read(*BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer) [L118] EXPR (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer)) || (256 >= ((*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer)) + 4)) [L118] EXPR \read(*signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer) [L118] EXPR (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer)) || (256 >= ((*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer)) + 4)) [L118] EXPR ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer)) || (256 >= ((*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer)) + 4))) ? ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer)) == ((unsigned char) (((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer)) || (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer))) || (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer))))) : ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer)) == ((unsigned char) (! (! ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer)) || (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer))))))) [L118] EXPR \read(*BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer) [L118] EXPR \read(*BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer) [L118] EXPR (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer)) || (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer)) [L118] EXPR \read(*BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer) [L118] EXPR (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer)) || (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer)) [L118] EXPR ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer)) || (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer))) || (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer)) [L118] EXPR \read(*BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer) [L118] EXPR ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer)) || (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer))) || (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer)) [L118] EXPR ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer)) || (256 >= ((*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer)) + 4))) ? ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer)) == ((unsigned char) (((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer)) || (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer))) || (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer))))) : ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer)) == ((unsigned char) (! (! ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer)) || (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer))))))) [L118] EXPR (last_1_BOOL_unsigned_char_Array_0_1__1_ ? (last_1_BOOL_unsigned_char_Array_0_1__1_ ? ((*(double_Array_0_arraydouble_Array_0arrayVar1_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) : 1) && (((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer)) || (256 >= ((*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer)) + 4))) ? ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer)) == ((unsigned char) (((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer)) || (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer))) || (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer))))) : ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer)) == ((unsigned char) (! (! ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer)) || (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer)))))))) [L118] EXPR ((last_1_BOOL_unsigned_char_Array_0_1__1_ ? (last_1_BOOL_unsigned_char_Array_0_1__1_ ? ((*(double_Array_0_arraydouble_Array_0arrayVar1_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) : 1) && (((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer)) || (256 >= ((*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer)) + 4))) ? ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer)) == ((unsigned char) (((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer)) || (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer))) || (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer))))) : ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer)) == ((unsigned char) (! (! ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer)) || (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer))))))))) && ((-10 >= (*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer))) ? (((((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer)) + (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer))) - (((((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer))) < (1)) ? ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer))) : (1)))) > (~ (*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer)))) ? ((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer)) == ((signed char) ((*(signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer)) + (*(signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer))))) : ((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer)) == ((signed char) (*(signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer))))) : 1) [L118] EXPR \read(*signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer) [L118] EXPR (-10 >= (*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer))) ? (((((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer)) + (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer))) - (((((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer))) < (1)) ? ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer))) : (1)))) > (~ (*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer)))) ? ((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer)) == ((signed char) ((*(signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer)) + (*(signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer))))) : ((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer)) == ((signed char) (*(signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer))))) : 1 [L118] EXPR ((last_1_BOOL_unsigned_char_Array_0_1__1_ ? (last_1_BOOL_unsigned_char_Array_0_1__1_ ? ((*(double_Array_0_arraydouble_Array_0arrayVar1_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) : 1) && (((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer)) || (256 >= ((*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer)) + 4))) ? ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer)) == ((unsigned char) (((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer)) || (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer))) || (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer))))) : ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer)) == ((unsigned char) (! (! ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer)) || (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer))))))))) && ((-10 >= (*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer))) ? (((((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer)) + (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer))) - (((((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer))) < (1)) ? ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer))) : (1)))) > (~ (*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer)))) ? ((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer)) == ((signed char) ((*(signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer)) + (*(signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer))))) : ((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer)) == ((signed char) (*(signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer))))) : 1) [L118] EXPR (((last_1_BOOL_unsigned_char_Array_0_1__1_ ? (last_1_BOOL_unsigned_char_Array_0_1__1_ ? ((*(double_Array_0_arraydouble_Array_0arrayVar1_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) : 1) && (((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer)) || (256 >= ((*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer)) + 4))) ? ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer)) == ((unsigned char) (((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer)) || (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer))) || (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer))))) : ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer)) == ((unsigned char) (! (! ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer)) || (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer))))))))) && ((-10 >= (*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer))) ? (((((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer)) + (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer))) - (((((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer))) < (1)) ? ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer))) : (1)))) > (~ (*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer)))) ? ((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer)) == ((signed char) ((*(signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer)) + (*(signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer))))) : ((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer)) == ((signed char) (*(signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer))))) : 1)) && (((*(double_Array_0_arraydouble_Array_0arrayVar1_Pointer)) >= (- ((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer)) * (*(double_Array_0_arraydouble_Array_0arrayVar1_Pointer))))) ? ((*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer)) == ((signed char) (*(signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer)))) : 1) [L118] EXPR \read(*double_Array_0_arraydouble_Array_0arrayVar1_Pointer) [L118] EXPR \read(*double_Array_0_arraydouble_Array_0arrayVar0_Pointer) [L118] EXPR \read(*double_Array_0_arraydouble_Array_0arrayVar1_Pointer) [L118] EXPR ((*(double_Array_0_arraydouble_Array_0arrayVar1_Pointer)) >= (- ((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer)) * (*(double_Array_0_arraydouble_Array_0arrayVar1_Pointer))))) ? ((*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer)) == ((signed char) (*(signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer)))) : 1 [L118] EXPR \read(*signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer) [L118] EXPR \read(*signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer) [L118] EXPR ((*(double_Array_0_arraydouble_Array_0arrayVar1_Pointer)) >= (- ((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer)) * (*(double_Array_0_arraydouble_Array_0arrayVar1_Pointer))))) ? ((*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer)) == ((signed char) (*(signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer)))) : 1 [L118] EXPR (((last_1_BOOL_unsigned_char_Array_0_1__1_ ? (last_1_BOOL_unsigned_char_Array_0_1__1_ ? ((*(double_Array_0_arraydouble_Array_0arrayVar1_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) : 1) && (((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer)) || (256 >= ((*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer)) + 4))) ? ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer)) == ((unsigned char) (((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer)) || (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer))) || (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer))))) : ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer)) == ((unsigned char) (! (! ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer)) || (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer))))))))) && ((-10 >= (*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer))) ? (((((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer)) + (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer))) - (((((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer))) < (1)) ? ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer))) : (1)))) > (~ (*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer)))) ? ((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer)) == ((signed char) ((*(signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer)) + (*(signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer))))) : ((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer)) == ((signed char) (*(signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer))))) : 1)) && (((*(double_Array_0_arraydouble_Array_0arrayVar1_Pointer)) >= (- ((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer)) * (*(double_Array_0_arraydouble_Array_0arrayVar1_Pointer))))) ? ((*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer)) == ((signed char) (*(signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer)))) : 1) [L118-L119] return (((last_1_BOOL_unsigned_char_Array_0_1__1_ ? (last_1_BOOL_unsigned_char_Array_0_1__1_ ? ((*(double_Array_0_arraydouble_Array_0arrayVar1_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) : 1) && (((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer)) || (256 >= ((*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer)) + 4))) ? ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer)) == ((unsigned char) (((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer)) || (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer))) || (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer))))) : ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer)) == ((unsigned char) (! (! ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer)) || (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer))))))))) && ((-10 >= (*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer))) ? (((((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer)) + (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer))) - (((((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer))) < (1)) ? ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer))) : (1)))) > (~ (*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer)))) ? ((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer)) == ((signed char) ((*(signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer)) + (*(signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer))))) : ((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer)) == ((signed char) (*(signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer))))) : 1)) && (((*(double_Array_0_arraydouble_Array_0arrayVar1_Pointer)) >= (- ((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer)) * (*(double_Array_0_arraydouble_Array_0arrayVar1_Pointer))))) ? ((*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer)) == ((signed char) (*(signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer)))) : 1) ; [L128] RET, EXPR property() [L128] 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={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:4}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer={4:5}, \old(cond)=0, cond=0, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, 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_char_Array_0_arraysigned_char_Array_0Var3_Pointer={6:3}, signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer={6:4}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={7:2}] [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={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:4}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer={4:5}, \old(cond)=0, cond=0, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, 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_char_Array_0_arraysigned_char_Array_0Var3_Pointer={6:3}, signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer={6:4}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={7:2}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 55 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.4s, OverallIterations: 1, TraceHistogramMax: 23, 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=55occurred 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, 1.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 96 NumberOfCodeBlocks, 96 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 [2023-12-02 15:04:08,415 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-34.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh --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 efbce6a3c3cc86de2fbc1d4647db693e04b33292f9edfaeea674d0c6a2cba64f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 15:04:10,482 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 15:04:10,566 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-12-02 15:04:10,572 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 15:04:10,573 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 15:04:10,602 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 15:04:10,602 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 15:04:10,603 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 15:04:10,604 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 15:04:10,604 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 15:04:10,605 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 15:04:10,606 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 15:04:10,606 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 15:04:10,607 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 15:04:10,607 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 15:04:10,608 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 15:04:10,609 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 15:04:10,609 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 15:04:10,610 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 15:04:10,610 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 15:04:10,611 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 15:04:10,612 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 15:04:10,612 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 15:04:10,613 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 15:04:10,613 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 15:04:10,614 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 15:04:10,614 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 15:04:10,614 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 15:04:10,615 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 15:04:10,615 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 15:04:10,616 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 15:04:10,616 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 15:04:10,617 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 15:04:10,617 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 15:04:10,617 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 15:04:10,618 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 15:04:10,618 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 15:04:10,618 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 15:04:10,618 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 15:04:10,619 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 15:04:10,619 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 15:04:10,619 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 15:04:10,619 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 15:04:10,620 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 15:04:10,620 INFO L153 SettingsManager]: * Logic for external solver=AUFBV 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_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> efbce6a3c3cc86de2fbc1d4647db693e04b33292f9edfaeea674d0c6a2cba64f [2023-12-02 15:04:10,923 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 15:04:10,940 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 15:04:10,942 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 15:04:10,943 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 15:04:10,944 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 15:04:10,945 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-34.i [2023-12-02 15:04:13,804 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 15:04:14,052 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 15:04:14,053 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-34.i [2023-12-02 15:04:14,065 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/data/ac478f7c7/f21df12e74754f7281526438bcfb0fa7/FLAG477c6857f [2023-12-02 15:04:14,082 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/data/ac478f7c7/f21df12e74754f7281526438bcfb0fa7 [2023-12-02 15:04:14,085 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 15:04:14,087 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 15:04:14,088 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 15:04:14,089 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 15:04:14,095 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 15:04:14,096 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:04:14" (1/1) ... [2023-12-02 15:04:14,097 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63334823 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:04:14, skipping insertion in model container [2023-12-02 15:04:14,097 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:04:14" (1/1) ... [2023-12-02 15:04:14,137 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 15:04:14,306 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-34.i[917,930] [2023-12-02 15:04:14,371 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 15:04:14,394 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 15:04:14,408 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-34.i[917,930] [2023-12-02 15:04:14,451 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 15:04:14,476 INFO L206 MainTranslator]: Completed translation [2023-12-02 15:04:14,477 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:04:14 WrapperNode [2023-12-02 15:04:14,477 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 15:04:14,478 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 15:04:14,478 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 15:04:14,478 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 15:04:14,487 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:04:14" (1/1) ... [2023-12-02 15:04:14,507 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:04:14" (1/1) ... [2023-12-02 15:04:14,548 INFO L138 Inliner]: procedures = 30, calls = 153, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 410 [2023-12-02 15:04:14,549 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 15:04:14,550 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 15:04:14,550 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 15:04:14,550 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 15:04:14,560 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:04:14" (1/1) ... [2023-12-02 15:04:14,561 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:04:14" (1/1) ... [2023-12-02 15:04:14,572 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:04:14" (1/1) ... [2023-12-02 15:04:14,572 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:04:14" (1/1) ... [2023-12-02 15:04:14,595 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:04:14" (1/1) ... [2023-12-02 15:04:14,602 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:04:14" (1/1) ... [2023-12-02 15:04:14,615 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:04:14" (1/1) ... [2023-12-02 15:04:14,618 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:04:14" (1/1) ... [2023-12-02 15:04:14,625 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 15:04:14,626 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 15:04:14,626 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 15:04:14,626 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 15:04:14,627 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:04:14" (1/1) ... [2023-12-02 15:04:14,633 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 15:04:14,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 15:04:14,658 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 15:04:14,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 15:04:14,689 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 15:04:14,689 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2023-12-02 15:04:14,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2023-12-02 15:04:14,689 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-12-02 15:04:14,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 15:04:14,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2023-12-02 15:04:14,690 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 15:04:14,690 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 15:04:14,690 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 15:04:14,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 15:04:14,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-12-02 15:04:14,823 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 15:04:14,826 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 15:04:23,775 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 15:04:23,876 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 15:04:23,877 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 15:04:23,877 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:04:23 BoogieIcfgContainer [2023-12-02 15:04:23,878 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 15:04:23,880 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 15:04:23,880 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 15:04:23,883 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 15:04:23,883 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:04:14" (1/3) ... [2023-12-02 15:04:23,884 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1694780e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:04:23, skipping insertion in model container [2023-12-02 15:04:23,884 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:04:14" (2/3) ... [2023-12-02 15:04:23,885 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1694780e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:04:23, skipping insertion in model container [2023-12-02 15:04:23,885 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:04:23" (3/3) ... [2023-12-02 15:04:23,886 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-ap_file-34.i [2023-12-02 15:04:23,901 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 15:04:23,901 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 15:04:23,950 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 15:04:23,957 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=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;@337fe26d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 15:04:23,957 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 15:04:23,961 INFO L276 IsEmpty]: Start isEmpty. Operand has 113 states, 87 states have (on average 1.4022988505747127) internal successors, (122), 88 states have internal predecessors, (122), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-12-02 15:04:23,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2023-12-02 15:04:23,978 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:04:23,979 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:04:23,980 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:04:23,984 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:04:23,984 INFO L85 PathProgramCache]: Analyzing trace with hash 2044267443, now seen corresponding path program 1 times [2023-12-02 15:04:23,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 15:04:23,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1301699742] [2023-12-02 15:04:23,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:04:23,998 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 15:04:23,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 15:04:23,999 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 15:04:24,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-12-02 15:04:24,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:04:24,533 INFO L262 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 15:04:24,547 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:04:24,601 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 428 proven. 0 refuted. 0 times theorem prover too weak. 584 trivial. 0 not checked. [2023-12-02 15:04:24,601 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 15:04:24,621 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 15:04:24,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1301699742] [2023-12-02 15:04:24,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1301699742] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:04:24,622 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:04:24,623 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 15:04:24,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258431560] [2023-12-02 15:04:24,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:04:24,631 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-02 15:04:24,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 15:04:24,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-02 15:04:24,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 15:04:24,668 INFO L87 Difference]: Start difference. First operand has 113 states, 87 states have (on average 1.4022988505747127) internal successors, (122), 88 states have internal predecessors, (122), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Second operand has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-12-02 15:04:24,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:04:24,740 INFO L93 Difference]: Finished difference Result 223 states and 357 transitions. [2023-12-02 15:04:24,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 15:04:24,743 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 166 [2023-12-02 15:04:24,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:04:24,755 INFO L225 Difference]: With dead ends: 223 [2023-12-02 15:04:24,755 INFO L226 Difference]: Without dead ends: 111 [2023-12-02 15:04:24,760 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 15:04:24,764 INFO L413 NwaCegarLoop]: 159 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-02 15:04:24,766 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 159 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 15:04:24,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2023-12-02 15:04:24,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2023-12-02 15:04:24,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 86 states have (on average 1.3604651162790697) internal successors, (117), 86 states have internal predecessors, (117), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-12-02 15:04:24,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 163 transitions. [2023-12-02 15:04:24,823 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 163 transitions. Word has length 166 [2023-12-02 15:04:24,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:04:24,824 INFO L495 AbstractCegarLoop]: Abstraction has 111 states and 163 transitions. [2023-12-02 15:04:24,824 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-12-02 15:04:24,824 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 163 transitions. [2023-12-02 15:04:24,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2023-12-02 15:04:24,829 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:04:24,829 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:04:24,846 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-12-02 15:04:25,045 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 15:04:25,045 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:04:25,046 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:04:25,047 INFO L85 PathProgramCache]: Analyzing trace with hash -871231175, now seen corresponding path program 1 times [2023-12-02 15:04:25,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 15:04:25,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1453678104] [2023-12-02 15:04:25,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:04:25,049 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 15:04:25,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 15:04:25,050 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 15:04:25,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-12-02 15:04:25,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:04:25,605 INFO L262 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 15:04:25,614 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:04:25,654 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2023-12-02 15:04:25,654 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 15:04:25,655 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 15:04:25,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1453678104] [2023-12-02 15:04:25,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1453678104] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:04:25,655 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:04:25,656 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 15:04:25,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306485346] [2023-12-02 15:04:25,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:04:25,659 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 15:04:25,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 15:04:25,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 15:04:25,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 15:04:25,661 INFO L87 Difference]: Start difference. First operand 111 states and 163 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-12-02 15:04:25,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:04:25,735 INFO L93 Difference]: Finished difference Result 219 states and 322 transitions. [2023-12-02 15:04:25,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 15:04:25,736 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 166 [2023-12-02 15:04:25,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:04:25,739 INFO L225 Difference]: With dead ends: 219 [2023-12-02 15:04:25,739 INFO L226 Difference]: Without dead ends: 109 [2023-12-02 15:04:25,741 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 15:04:25,743 INFO L413 NwaCegarLoop]: 154 mSDtfsCounter, 0 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 304 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 15:04:25,744 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 304 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 15:04:25,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2023-12-02 15:04:25,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2023-12-02 15:04:25,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 84 states have (on average 1.3452380952380953) internal successors, (113), 84 states have internal predecessors, (113), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-12-02 15:04:25,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 159 transitions. [2023-12-02 15:04:25,761 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 159 transitions. Word has length 166 [2023-12-02 15:04:25,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:04:25,764 INFO L495 AbstractCegarLoop]: Abstraction has 109 states and 159 transitions. [2023-12-02 15:04:25,764 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-12-02 15:04:25,765 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 159 transitions. [2023-12-02 15:04:25,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2023-12-02 15:04:25,768 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:04:25,769 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:04:25,779 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/mathsat -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 [2023-12-02 15:04:25,972 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 15:04:25,973 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:04:25,973 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:04:25,973 INFO L85 PathProgramCache]: Analyzing trace with hash -1699529435, now seen corresponding path program 1 times [2023-12-02 15:04:25,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 15:04:25,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [112664216] [2023-12-02 15:04:25,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:04:25,975 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 15:04:25,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 15:04:25,976 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 15:04:25,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-12-02 15:04:26,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:04:26,436 INFO L262 TraceCheckSpWp]: Trace formula consists of 357 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 15:04:26,441 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:04:26,495 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2023-12-02 15:04:26,495 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 15:04:26,496 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 15:04:26,496 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [112664216] [2023-12-02 15:04:26,496 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [112664216] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:04:26,497 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:04:26,497 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 15:04:26,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080625467] [2023-12-02 15:04:26,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:04:26,499 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 15:04:26,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 15:04:26,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 15:04:26,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 15:04:26,500 INFO L87 Difference]: Start difference. First operand 109 states and 159 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-12-02 15:04:26,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:04:26,622 INFO L93 Difference]: Finished difference Result 241 states and 353 transitions. [2023-12-02 15:04:26,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 15:04:26,623 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 168 [2023-12-02 15:04:26,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:04:26,626 INFO L225 Difference]: With dead ends: 241 [2023-12-02 15:04:26,627 INFO L226 Difference]: Without dead ends: 133 [2023-12-02 15:04:26,628 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-02 15:04:26,630 INFO L413 NwaCegarLoop]: 171 mSDtfsCounter, 61 mSDsluCounter, 304 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 475 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 15:04:26,631 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 475 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 15:04:26,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2023-12-02 15:04:26,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 111. [2023-12-02 15:04:26,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 86 states have (on average 1.3372093023255813) internal successors, (115), 86 states have internal predecessors, (115), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-12-02 15:04:26,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 161 transitions. [2023-12-02 15:04:26,647 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 161 transitions. Word has length 168 [2023-12-02 15:04:26,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:04:26,648 INFO L495 AbstractCegarLoop]: Abstraction has 111 states and 161 transitions. [2023-12-02 15:04:26,649 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-12-02 15:04:26,649 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 161 transitions. [2023-12-02 15:04:26,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-12-02 15:04:26,652 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:04:26,652 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:04:26,663 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2023-12-02 15:04:26,860 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 15:04:26,861 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:04:26,861 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:04:26,861 INFO L85 PathProgramCache]: Analyzing trace with hash -1199913773, now seen corresponding path program 1 times [2023-12-02 15:04:26,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 15:04:26,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [89123253] [2023-12-02 15:04:26,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:04:26,862 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 15:04:26,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 15:04:26,864 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 15:04:26,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-12-02 15:04:27,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:04:27,327 INFO L262 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 15:04:27,334 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:04:27,390 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2023-12-02 15:04:28,118 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2023-12-02 15:04:28,118 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 15:04:28,118 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 15:04:28,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [89123253] [2023-12-02 15:04:28,119 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [89123253] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:04:28,119 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:04:28,120 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 15:04:28,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103401174] [2023-12-02 15:04:28,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:04:28,121 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 15:04:28,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 15:04:28,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 15:04:28,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 15:04:28,123 INFO L87 Difference]: Start difference. First operand 111 states and 161 transitions. Second operand has 4 states, 4 states have (on average 14.5) internal successors, (58), 3 states have internal predecessors, (58), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-12-02 15:04:30,539 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:04:32,772 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:04:35,301 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:04:35,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:04:35,339 INFO L93 Difference]: Finished difference Result 328 states and 473 transitions. [2023-12-02 15:04:35,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 15:04:35,340 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 3 states have internal predecessors, (58), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 170 [2023-12-02 15:04:35,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:04:35,343 INFO L225 Difference]: With dead ends: 328 [2023-12-02 15:04:35,343 INFO L226 Difference]: Without dead ends: 218 [2023-12-02 15:04:35,343 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-02 15:04:35,344 INFO L413 NwaCegarLoop]: 143 mSDtfsCounter, 63 mSDsluCounter, 239 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 31 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 382 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.2s IncrementalHoareTripleChecker+Time [2023-12-02 15:04:35,345 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 382 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 89 Invalid, 2 Unknown, 0 Unchecked, 7.2s Time] [2023-12-02 15:04:35,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2023-12-02 15:04:35,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 188. [2023-12-02 15:04:35,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 188 states, 138 states have (on average 1.2826086956521738) internal successors, (177), 138 states have internal predecessors, (177), 46 states have call successors, (46), 3 states have call predecessors, (46), 3 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2023-12-02 15:04:35,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 269 transitions. [2023-12-02 15:04:35,371 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 269 transitions. Word has length 170 [2023-12-02 15:04:35,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:04:35,373 INFO L495 AbstractCegarLoop]: Abstraction has 188 states and 269 transitions. [2023-12-02 15:04:35,373 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 3 states have internal predecessors, (58), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-12-02 15:04:35,373 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 269 transitions. [2023-12-02 15:04:35,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2023-12-02 15:04:35,377 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:04:35,377 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:04:35,388 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2023-12-02 15:04:35,578 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 15:04:35,578 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:04:35,579 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:04:35,579 INFO L85 PathProgramCache]: Analyzing trace with hash 1830279223, now seen corresponding path program 1 times [2023-12-02 15:04:35,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 15:04:35,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2004624620] [2023-12-02 15:04:35,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:04:35,580 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 15:04:35,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 15:04:35,581 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 15:04:35,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-12-02 15:04:36,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:04:36,044 INFO L262 TraceCheckSpWp]: Trace formula consists of 369 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 15:04:36,050 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:04:36,092 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2023-12-02 15:04:36,092 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 15:04:36,092 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 15:04:36,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2004624620] [2023-12-02 15:04:36,093 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2004624620] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:04:36,093 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:04:36,093 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 15:04:36,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020132749] [2023-12-02 15:04:36,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:04:36,094 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 15:04:36,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 15:04:36,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 15:04:36,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 15:04:36,096 INFO L87 Difference]: Start difference. First operand 188 states and 269 transitions. Second operand has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-12-02 15:04:36,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:04:36,154 INFO L93 Difference]: Finished difference Result 325 states and 468 transitions. [2023-12-02 15:04:36,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 15:04:36,155 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 173 [2023-12-02 15:04:36,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:04:36,159 INFO L225 Difference]: With dead ends: 325 [2023-12-02 15:04:36,159 INFO L226 Difference]: Without dead ends: 199 [2023-12-02 15:04:36,160 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 15:04:36,161 INFO L413 NwaCegarLoop]: 150 mSDtfsCounter, 26 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 289 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-02 15:04:36,162 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 289 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 15:04:36,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2023-12-02 15:04:36,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 186. [2023-12-02 15:04:36,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 136 states have (on average 1.2720588235294117) internal successors, (173), 136 states have internal predecessors, (173), 46 states have call successors, (46), 3 states have call predecessors, (46), 3 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2023-12-02 15:04:36,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 265 transitions. [2023-12-02 15:04:36,187 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 265 transitions. Word has length 173 [2023-12-02 15:04:36,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:04:36,188 INFO L495 AbstractCegarLoop]: Abstraction has 186 states and 265 transitions. [2023-12-02 15:04:36,189 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-12-02 15:04:36,189 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 265 transitions. [2023-12-02 15:04:36,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2023-12-02 15:04:36,192 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:04:36,192 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:04:36,203 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2023-12-02 15:04:36,396 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 15:04:36,396 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:04:36,397 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:04:36,397 INFO L85 PathProgramCache]: Analyzing trace with hash -1429099063, now seen corresponding path program 1 times [2023-12-02 15:04:36,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 15:04:36,397 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [730147230] [2023-12-02 15:04:36,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:04:36,398 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 15:04:36,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 15:04:36,399 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 15:04:36,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2023-12-02 15:04:36,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:04:36,895 INFO L262 TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 15:04:36,900 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:04:36,940 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2023-12-02 15:04:36,940 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 15:04:36,940 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 15:04:36,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [730147230] [2023-12-02 15:04:36,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [730147230] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:04:36,941 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:04:36,941 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 15:04:36,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735578002] [2023-12-02 15:04:36,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:04:36,943 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 15:04:36,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 15:04:36,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 15:04:36,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 15:04:36,944 INFO L87 Difference]: Start difference. First operand 186 states and 265 transitions. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-12-02 15:04:37,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:04:37,047 INFO L93 Difference]: Finished difference Result 342 states and 489 transitions. [2023-12-02 15:04:37,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 15:04:37,048 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 175 [2023-12-02 15:04:37,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:04:37,051 INFO L225 Difference]: With dead ends: 342 [2023-12-02 15:04:37,051 INFO L226 Difference]: Without dead ends: 218 [2023-12-02 15:04:37,052 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-02 15:04:37,053 INFO L413 NwaCegarLoop]: 148 mSDtfsCounter, 63 mSDsluCounter, 311 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 459 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 15:04:37,054 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 459 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 15:04:37,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2023-12-02 15:04:37,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 188. [2023-12-02 15:04:37,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 188 states, 138 states have (on average 1.2681159420289856) internal successors, (175), 138 states have internal predecessors, (175), 46 states have call successors, (46), 3 states have call predecessors, (46), 3 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2023-12-02 15:04:37,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 267 transitions. [2023-12-02 15:04:37,082 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 267 transitions. Word has length 175 [2023-12-02 15:04:37,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:04:37,082 INFO L495 AbstractCegarLoop]: Abstraction has 188 states and 267 transitions. [2023-12-02 15:04:37,083 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-12-02 15:04:37,083 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 267 transitions. [2023-12-02 15:04:37,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2023-12-02 15:04:37,084 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:04:37,085 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:04:37,094 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2023-12-02 15:04:37,285 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 15:04:37,286 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:04:37,286 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:04:37,286 INFO L85 PathProgramCache]: Analyzing trace with hash -1036072053, now seen corresponding path program 1 times [2023-12-02 15:04:37,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 15:04:37,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [309743711] [2023-12-02 15:04:37,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:04:37,287 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 15:04:37,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 15:04:37,288 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 15:04:37,288 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2023-12-02 15:04:37,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:04:37,740 INFO L262 TraceCheckSpWp]: Trace formula consists of 371 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 15:04:37,746 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:04:37,802 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 [2023-12-02 15:04:37,877 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2023-12-02 15:04:38,130 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2023-12-02 15:04:38,130 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 15:04:38,131 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 15:04:38,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [309743711] [2023-12-02 15:04:38,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [309743711] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:04:38,131 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:04:38,131 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-12-02 15:04:38,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615734926] [2023-12-02 15:04:38,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:04:38,132 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-02 15:04:38,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 15:04:38,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-02 15:04:38,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-12-02 15:04:38,133 INFO L87 Difference]: Start difference. First operand 188 states and 267 transitions. Second operand has 11 states, 11 states have (on average 5.7272727272727275) internal successors, (63), 11 states have internal predecessors, (63), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-12-02 15:04:39,976 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:04:43,120 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:04:45,125 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:04:47,128 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:04:49,691 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:04:51,957 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:04:53,779 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:04:55,991 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:04:58,472 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:05:00,475 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:05:02,107 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:05:02,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:05:02,154 INFO L93 Difference]: Finished difference Result 414 states and 587 transitions. [2023-12-02 15:05:02,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-12-02 15:05:02,156 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.7272727272727275) internal successors, (63), 11 states have internal predecessors, (63), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 175 [2023-12-02 15:05:02,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:05:02,159 INFO L225 Difference]: With dead ends: 414 [2023-12-02 15:05:02,159 INFO L226 Difference]: Without dead ends: 288 [2023-12-02 15:05:02,160 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=142, Invalid=410, Unknown=0, NotChecked=0, Total=552 [2023-12-02 15:05:02,160 INFO L413 NwaCegarLoop]: 125 mSDtfsCounter, 276 mSDsluCounter, 1087 mSDsCounter, 0 mSdLazyCounter, 393 mSolverCounterSat, 7 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 276 SdHoareTripleChecker+Valid, 1212 SdHoareTripleChecker+Invalid, 408 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 393 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.5s IncrementalHoareTripleChecker+Time [2023-12-02 15:05:02,161 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [276 Valid, 1212 Invalid, 408 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 393 Invalid, 8 Unknown, 0 Unchecked, 23.5s Time] [2023-12-02 15:05:02,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2023-12-02 15:05:02,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 225. [2023-12-02 15:05:02,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 225 states, 175 states have (on average 1.2742857142857142) internal successors, (223), 175 states have internal predecessors, (223), 46 states have call successors, (46), 3 states have call predecessors, (46), 3 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2023-12-02 15:05:02,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 315 transitions. [2023-12-02 15:05:02,186 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 315 transitions. Word has length 175 [2023-12-02 15:05:02,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:05:02,187 INFO L495 AbstractCegarLoop]: Abstraction has 225 states and 315 transitions. [2023-12-02 15:05:02,188 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.7272727272727275) internal successors, (63), 11 states have internal predecessors, (63), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-12-02 15:05:02,188 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 315 transitions. [2023-12-02 15:05:02,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2023-12-02 15:05:02,190 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:05:02,190 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:05:02,200 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Ended with exit code 0 [2023-12-02 15:05:02,390 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 15:05:02,391 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:05:02,391 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:05:02,391 INFO L85 PathProgramCache]: Analyzing trace with hash -1170933625, now seen corresponding path program 1 times [2023-12-02 15:05:02,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 15:05:02,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [574936543] [2023-12-02 15:05:02,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:05:02,392 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 [2023-12-02 15:05:02,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 15:05:02,394 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 15:05:02,395 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2023-12-02 15:05:02,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:05:03,016 INFO L262 TraceCheckSpWp]: Trace formula consists of 375 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 15:05:03,023 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:05:05,581 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2023-12-02 15:05:05,701 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2023-12-02 15:05:05,701 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 15:05:05,701 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 15:05:05,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [574936543] [2023-12-02 15:05:05,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [574936543] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:05:05,702 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:05:05,702 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-02 15:05:05,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007705355] [2023-12-02 15:05:05,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:05:05,703 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-02 15:05:05,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 15:05:05,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-02 15:05:05,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-12-02 15:05:05,704 INFO L87 Difference]: Start difference. First operand 225 states and 315 transitions. Second operand has 7 states, 7 states have (on average 9.0) internal successors, (63), 6 states have internal predecessors, (63), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-12-02 15:05:08,520 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:05:10,478 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:05:13,367 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:05:15,371 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:05:17,505 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:05:19,508 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:05:21,511 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:05:23,817 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:05:25,397 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:05:25,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:05:25,556 INFO L93 Difference]: Finished difference Result 510 states and 712 transitions. [2023-12-02 15:05:25,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 15:05:25,557 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 6 states have internal predecessors, (63), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 175 [2023-12-02 15:05:25,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:05:25,560 INFO L225 Difference]: With dead ends: 510 [2023-12-02 15:05:25,560 INFO L226 Difference]: Without dead ends: 347 [2023-12-02 15:05:25,561 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2023-12-02 15:05:25,562 INFO L413 NwaCegarLoop]: 123 mSDtfsCounter, 218 mSDsluCounter, 248 mSDsCounter, 0 mSdLazyCounter, 387 mSolverCounterSat, 5 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 218 SdHoareTripleChecker+Valid, 371 SdHoareTripleChecker+Invalid, 399 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 387 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.7s IncrementalHoareTripleChecker+Time [2023-12-02 15:05:25,562 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [218 Valid, 371 Invalid, 399 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 387 Invalid, 7 Unknown, 0 Unchecked, 19.7s Time] [2023-12-02 15:05:25,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 347 states. [2023-12-02 15:05:25,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 347 to 283. [2023-12-02 15:05:25,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 283 states, 233 states have (on average 1.2918454935622317) internal successors, (301), 233 states have internal predecessors, (301), 46 states have call successors, (46), 3 states have call predecessors, (46), 3 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2023-12-02 15:05:25,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 393 transitions. [2023-12-02 15:05:25,594 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 393 transitions. Word has length 175 [2023-12-02 15:05:25,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:05:25,595 INFO L495 AbstractCegarLoop]: Abstraction has 283 states and 393 transitions. [2023-12-02 15:05:25,595 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 6 states have internal predecessors, (63), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-12-02 15:05:25,595 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 393 transitions. [2023-12-02 15:05:25,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2023-12-02 15:05:25,597 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:05:25,598 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:05:25,607 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Ended with exit code 0 [2023-12-02 15:05:25,804 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 15:05:25,805 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:05:25,805 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:05:25,805 INFO L85 PathProgramCache]: Analyzing trace with hash -159816375, now seen corresponding path program 1 times [2023-12-02 15:05:25,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 15:05:25,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [400984673] [2023-12-02 15:05:25,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:05:25,806 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 15:05:25,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 15:05:25,807 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 15:05:25,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2023-12-02 15:05:26,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:05:26,239 INFO L262 TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 15:05:26,243 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:05:26,383 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2023-12-02 15:05:26,383 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 15:05:26,383 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 15:05:26,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [400984673] [2023-12-02 15:05:26,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [400984673] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:05:26,384 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:05:26,384 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-02 15:05:26,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700366843] [2023-12-02 15:05:26,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:05:26,385 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 15:05:26,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 15:05:26,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 15:05:26,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-02 15:05:26,386 INFO L87 Difference]: Start difference. First operand 283 states and 393 transitions. Second operand has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-12-02 15:05:28,767 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:05:30,421 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:05:32,891 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:05:35,029 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:05:36,127 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:05:38,253 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:05:40,256 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:05:42,382 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:05:44,385 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:05:44,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:05:44,513 INFO L93 Difference]: Finished difference Result 574 states and 792 transitions. [2023-12-02 15:05:44,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-02 15:05:44,515 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 175 [2023-12-02 15:05:44,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:05:44,518 INFO L225 Difference]: With dead ends: 574 [2023-12-02 15:05:44,518 INFO L226 Difference]: Without dead ends: 353 [2023-12-02 15:05:44,519 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2023-12-02 15:05:44,520 INFO L413 NwaCegarLoop]: 138 mSDtfsCounter, 160 mSDsluCounter, 490 mSDsCounter, 0 mSdLazyCounter, 173 mSolverCounterSat, 5 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 628 SdHoareTripleChecker+Invalid, 185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 173 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.0s IncrementalHoareTripleChecker+Time [2023-12-02 15:05:44,520 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 628 Invalid, 185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 173 Invalid, 7 Unknown, 0 Unchecked, 18.0s Time] [2023-12-02 15:05:44,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353 states. [2023-12-02 15:05:44,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353 to 287. [2023-12-02 15:05:44,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 237 states have (on average 1.2953586497890295) internal successors, (307), 237 states have internal predecessors, (307), 46 states have call successors, (46), 3 states have call predecessors, (46), 3 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2023-12-02 15:05:44,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 399 transitions. [2023-12-02 15:05:44,549 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 399 transitions. Word has length 175 [2023-12-02 15:05:44,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:05:44,550 INFO L495 AbstractCegarLoop]: Abstraction has 287 states and 399 transitions. [2023-12-02 15:05:44,550 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-12-02 15:05:44,550 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 399 transitions. [2023-12-02 15:05:44,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2023-12-02 15:05:44,552 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:05:44,552 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:05:44,562 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Ended with exit code 0 [2023-12-02 15:05:44,754 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 15:05:44,754 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:05:44,754 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:05:44,754 INFO L85 PathProgramCache]: Analyzing trace with hash -96928695, now seen corresponding path program 1 times [2023-12-02 15:05:44,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 15:05:44,755 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [647121257] [2023-12-02 15:05:44,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:05:44,755 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 15:05:44,755 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 15:05:44,756 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 15:05:44,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2023-12-02 15:05:45,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:05:45,172 INFO L262 TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 15:05:45,176 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:05:45,308 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2023-12-02 15:05:45,308 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 15:05:45,308 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 15:05:45,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [647121257] [2023-12-02 15:05:45,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [647121257] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:05:45,309 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:05:45,309 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-02 15:05:45,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995776429] [2023-12-02 15:05:45,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:05:45,310 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 15:05:45,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 15:05:45,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 15:05:45,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-02 15:05:45,311 INFO L87 Difference]: Start difference. First operand 287 states and 399 transitions. Second operand has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-12-02 15:05:47,684 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:05:49,686 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:05:52,152 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:05:54,156 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:05:56,375 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:05:58,027 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:05:58,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:05:58,255 INFO L93 Difference]: Finished difference Result 519 states and 720 transitions. [2023-12-02 15:05:58,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-02 15:05:58,256 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 175 [2023-12-02 15:05:58,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:05:58,258 INFO L225 Difference]: With dead ends: 519 [2023-12-02 15:05:58,258 INFO L226 Difference]: Without dead ends: 294 [2023-12-02 15:05:58,259 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2023-12-02 15:05:58,259 INFO L413 NwaCegarLoop]: 135 mSDtfsCounter, 59 mSDsluCounter, 453 mSDsCounter, 0 mSdLazyCounter, 224 mSolverCounterSat, 6 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 588 SdHoareTripleChecker+Invalid, 235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 224 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.8s IncrementalHoareTripleChecker+Time [2023-12-02 15:05:58,260 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 588 Invalid, 235 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 224 Invalid, 5 Unknown, 0 Unchecked, 12.8s Time] [2023-12-02 15:05:58,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2023-12-02 15:05:58,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 260. [2023-12-02 15:05:58,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 260 states, 210 states have (on average 1.2857142857142858) internal successors, (270), 210 states have internal predecessors, (270), 46 states have call successors, (46), 3 states have call predecessors, (46), 3 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2023-12-02 15:05:58,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 362 transitions. [2023-12-02 15:05:58,279 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 362 transitions. Word has length 175 [2023-12-02 15:05:58,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:05:58,280 INFO L495 AbstractCegarLoop]: Abstraction has 260 states and 362 transitions. [2023-12-02 15:05:58,280 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-12-02 15:05:58,280 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 362 transitions. [2023-12-02 15:05:58,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2023-12-02 15:05:58,281 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:05:58,282 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:05:58,292 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/mathsat -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 [2023-12-02 15:05:58,482 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 15:05:58,482 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:05:58,483 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:05:58,483 INFO L85 PathProgramCache]: Analyzing trace with hash -1680406715, now seen corresponding path program 1 times [2023-12-02 15:05:58,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 15:05:58,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1961423789] [2023-12-02 15:05:58,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:05:58,484 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 15:05:58,484 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 15:05:58,485 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 15:05:58,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2023-12-02 15:05:59,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:05:59,070 INFO L262 TraceCheckSpWp]: Trace formula consists of 377 conjuncts, 32 conjunts are in the unsatisfiable core [2023-12-02 15:05:59,079 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:06:02,205 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-12-02 15:06:03,305 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 18 treesize of output 13 [2023-12-02 15:06:03,806 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 18 treesize of output 13 [2023-12-02 15:06:04,416 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 18 treesize of output 13 [2023-12-02 15:06:05,031 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 18 treesize of output 13 [2023-12-02 15:06:05,608 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 18 treesize of output 13 [2023-12-02 15:06:06,097 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 18 treesize of output 13 [2023-12-02 15:06:06,537 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 18 treesize of output 13 [2023-12-02 15:06:07,087 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 18 treesize of output 13 [2023-12-02 15:06:07,523 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 34 treesize of output 18 [2023-12-02 15:06:07,807 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 764 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2023-12-02 15:06:07,807 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 15:06:08,301 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_332 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_334 (_ BitVec 32))) (let ((.cse0 (store |c_#memory_int| c_~signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer~0.base v_ArrVal_332))) (or (not (= ((_ extract 7 0) (select (select (store .cse0 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base (store (select .cse0 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.offset v_ArrVal_334)) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer~0.offset)) (_ bv0 8))) (= ((_ extract 7 0) (select (select .cse0 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer~0.offset)) (_ bv0 8))))) is different from false [2023-12-02 15:06:08,397 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 15:06:08,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1961423789] [2023-12-02 15:06:08,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1961423789] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 15:06:08,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [260884353] [2023-12-02 15:06:08,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:06:08,398 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 15:06:08,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 15:06:08,399 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 15:06:08,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-12-02 15:06:09,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:06:09,941 INFO L262 TraceCheckSpWp]: Trace formula consists of 377 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 15:06:09,946 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:06:13,133 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2023-12-02 15:06:13,350 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2023-12-02 15:06:13,350 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 15:06:13,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [260884353] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:06:13,350 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-02 15:06:13,351 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [15] total 19 [2023-12-02 15:06:13,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923110301] [2023-12-02 15:06:13,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:06:13,351 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-02 15:06:13,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 15:06:13,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-02 15:06:13,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=443, Unknown=1, NotChecked=44, Total=600 [2023-12-02 15:06:13,353 INFO L87 Difference]: Start difference. First operand 260 states and 362 transitions. Second operand has 7 states, 7 states have (on average 9.0) internal successors, (63), 6 states have internal predecessors, (63), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-12-02 15:06:16,103 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:06:18,107 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:06:20,111 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:06:22,677 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:06:24,680 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:06:26,385 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:06:28,519 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:06:30,522 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:06:32,525 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:06:34,466 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:06:35,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:06:35,052 INFO L93 Difference]: Finished difference Result 572 states and 790 transitions. [2023-12-02 15:06:35,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 15:06:35,053 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 6 states have internal predecessors, (63), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 175 [2023-12-02 15:06:35,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:06:35,056 INFO L225 Difference]: With dead ends: 572 [2023-12-02 15:06:35,056 INFO L226 Difference]: Without dead ends: 374 [2023-12-02 15:06:35,057 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 385 GetRequests, 359 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 188 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=138, Invalid=567, Unknown=1, NotChecked=50, Total=756 [2023-12-02 15:06:35,058 INFO L413 NwaCegarLoop]: 142 mSDtfsCounter, 196 mSDsluCounter, 297 mSDsCounter, 0 mSdLazyCounter, 401 mSolverCounterSat, 3 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 196 SdHoareTripleChecker+Valid, 439 SdHoareTripleChecker+Invalid, 412 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 401 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.5s IncrementalHoareTripleChecker+Time [2023-12-02 15:06:35,058 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [196 Valid, 439 Invalid, 412 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 401 Invalid, 8 Unknown, 0 Unchecked, 21.5s Time] [2023-12-02 15:06:35,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374 states. [2023-12-02 15:06:35,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374 to 312. [2023-12-02 15:06:35,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 312 states, 262 states have (on average 1.2938931297709924) internal successors, (339), 262 states have internal predecessors, (339), 46 states have call successors, (46), 3 states have call predecessors, (46), 3 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2023-12-02 15:06:35,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 431 transitions. [2023-12-02 15:06:35,095 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 431 transitions. Word has length 175 [2023-12-02 15:06:35,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:06:35,096 INFO L495 AbstractCegarLoop]: Abstraction has 312 states and 431 transitions. [2023-12-02 15:06:35,096 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 6 states have internal predecessors, (63), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-12-02 15:06:35,097 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 431 transitions. [2023-12-02 15:06:35,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2023-12-02 15:06:35,098 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:06:35,099 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:06:35,108 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2023-12-02 15:06:35,307 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Ended with exit code 0 [2023-12-02 15:06:35,499 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 15:06:35,499 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:06:35,500 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:06:35,500 INFO L85 PathProgramCache]: Analyzing trace with hash -1618367101, now seen corresponding path program 1 times [2023-12-02 15:06:35,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 15:06:35,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [432709079] [2023-12-02 15:06:35,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:06:35,501 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 15:06:35,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 15:06:35,501 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 15:06:35,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2023-12-02 15:06:35,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:06:35,946 INFO L262 TraceCheckSpWp]: Trace formula consists of 379 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 15:06:35,950 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:06:36,057 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2023-12-02 15:06:36,057 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 15:06:36,057 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 15:06:36,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [432709079] [2023-12-02 15:06:36,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [432709079] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:06:36,058 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:06:36,058 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-02 15:06:36,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356613273] [2023-12-02 15:06:36,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:06:36,058 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 15:06:36,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 15:06:36,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 15:06:36,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-02 15:06:36,060 INFO L87 Difference]: Start difference. First operand 312 states and 431 transitions. Second operand has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-12-02 15:06:38,307 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:06:40,733 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:06:42,736 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:06:44,610 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:06:44,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:06:44,806 INFO L93 Difference]: Finished difference Result 535 states and 738 transitions. [2023-12-02 15:06:44,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 15:06:44,808 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 175 [2023-12-02 15:06:44,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:06:44,810 INFO L225 Difference]: With dead ends: 535 [2023-12-02 15:06:44,811 INFO L226 Difference]: Without dead ends: 285 [2023-12-02 15:06:44,811 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-12-02 15:06:44,812 INFO L413 NwaCegarLoop]: 150 mSDtfsCounter, 8 mSDsluCounter, 471 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 621 SdHoareTripleChecker+Invalid, 180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 177 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.7s IncrementalHoareTripleChecker+Time [2023-12-02 15:06:44,813 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 621 Invalid, 180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 177 Invalid, 3 Unknown, 0 Unchecked, 8.7s Time] [2023-12-02 15:06:44,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2023-12-02 15:06:44,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 285. [2023-12-02 15:06:44,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 285 states, 235 states have (on average 1.2723404255319148) internal successors, (299), 235 states have internal predecessors, (299), 46 states have call successors, (46), 3 states have call predecessors, (46), 3 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2023-12-02 15:06:44,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 391 transitions. [2023-12-02 15:06:44,848 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 391 transitions. Word has length 175 [2023-12-02 15:06:44,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:06:44,848 INFO L495 AbstractCegarLoop]: Abstraction has 285 states and 391 transitions. [2023-12-02 15:06:44,849 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-12-02 15:06:44,849 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 391 transitions. [2023-12-02 15:06:44,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2023-12-02 15:06:44,850 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:06:44,850 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:06:44,861 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Ended with exit code 0 [2023-12-02 15:06:45,051 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 15:06:45,051 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:06:45,052 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:06:45,052 INFO L85 PathProgramCache]: Analyzing trace with hash -1617519035, now seen corresponding path program 1 times [2023-12-02 15:06:45,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 15:06:45,052 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1836354187] [2023-12-02 15:06:45,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:06:45,053 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 15:06:45,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 15:06:45,054 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 15:06:45,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/mathsat -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 [2023-12-02 15:06:45,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:06:45,684 INFO L262 TraceCheckSpWp]: Trace formula consists of 377 conjuncts, 31 conjunts are in the unsatisfiable core [2023-12-02 15:06:45,690 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:06:49,852 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 18 treesize of output 13 [2023-12-02 15:06:50,366 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 18 treesize of output 13 [2023-12-02 15:06:50,937 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 18 treesize of output 13 [2023-12-02 15:06:51,503 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 18 treesize of output 13 [2023-12-02 15:06:52,044 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 18 treesize of output 13 [2023-12-02 15:06:52,533 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 18 treesize of output 13 [2023-12-02 15:06:53,005 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 18 treesize of output 13 [2023-12-02 15:06:53,574 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 18 treesize of output 13 [2023-12-02 15:06:53,972 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 [2023-12-02 15:06:54,215 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 764 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2023-12-02 15:06:54,215 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 15:06:54,712 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_431 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_433 (_ BitVec 32))) (let ((.cse0 (store |c_#memory_int| c_~signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer~0.base v_ArrVal_431))) (or (not (= ((_ extract 7 0) (select (select .cse0 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer~0.offset)) (_ bv0 8))) (= (_ bv0 8) ((_ extract 7 0) (select (select (store .cse0 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base (store (select .cse0 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.offset v_ArrVal_433)) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer~0.offset)))))) is different from false [2023-12-02 15:06:54,822 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 15:06:54,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1836354187] [2023-12-02 15:06:54,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1836354187] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 15:06:54,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [59543890] [2023-12-02 15:06:54,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:06:54,823 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 15:06:54,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 15:06:54,824 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 15:06:54,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2023-12-02 15:06:56,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:06:56,085 INFO L262 TraceCheckSpWp]: Trace formula consists of 377 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 15:06:56,091 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:06:59,126 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 [2023-12-02 15:06:59,265 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2023-12-02 15:06:59,265 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 15:06:59,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [59543890] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:06:59,266 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-02 15:06:59,266 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [15] total 17 [2023-12-02 15:06:59,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709188841] [2023-12-02 15:06:59,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:06:59,267 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-02 15:06:59,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 15:06:59,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-02 15:06:59,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=367, Unknown=1, NotChecked=40, Total=506 [2023-12-02 15:06:59,268 INFO L87 Difference]: Start difference. First operand 285 states and 391 transitions. Second operand has 7 states, 7 states have (on average 9.0) internal successors, (63), 6 states have internal predecessors, (63), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-12-02 15:07:02,028 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:07:03,519 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:07:05,607 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:07:07,835 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:07:09,840 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:07:10,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:07:10,057 INFO L93 Difference]: Finished difference Result 557 states and 761 transitions. [2023-12-02 15:07:10,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 15:07:10,058 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 6 states have internal predecessors, (63), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 175 [2023-12-02 15:07:10,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:07:10,060 INFO L225 Difference]: With dead ends: 557 [2023-12-02 15:07:10,060 INFO L226 Difference]: Without dead ends: 334 [2023-12-02 15:07:10,061 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 383 GetRequests, 361 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 135 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=109, Invalid=400, Unknown=1, NotChecked=42, Total=552 [2023-12-02 15:07:10,062 INFO L413 NwaCegarLoop]: 162 mSDtfsCounter, 140 mSDsluCounter, 307 mSDsCounter, 0 mSdLazyCounter, 426 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 469 SdHoareTripleChecker+Invalid, 430 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 426 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.7s IncrementalHoareTripleChecker+Time [2023-12-02 15:07:10,062 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 469 Invalid, 430 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 426 Invalid, 3 Unknown, 0 Unchecked, 10.7s Time] [2023-12-02 15:07:10,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 334 states. [2023-12-02 15:07:10,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 334 to 302. [2023-12-02 15:07:10,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 252 states have (on average 1.2698412698412698) internal successors, (320), 252 states have internal predecessors, (320), 46 states have call successors, (46), 3 states have call predecessors, (46), 3 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2023-12-02 15:07:10,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 412 transitions. [2023-12-02 15:07:10,084 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 412 transitions. Word has length 175 [2023-12-02 15:07:10,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:07:10,084 INFO L495 AbstractCegarLoop]: Abstraction has 302 states and 412 transitions. [2023-12-02 15:07:10,085 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 6 states have internal predecessors, (63), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-12-02 15:07:10,085 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 412 transitions. [2023-12-02 15:07:10,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2023-12-02 15:07:10,086 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:07:10,086 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:07:10,094 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2023-12-02 15:07:10,296 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/mathsat -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)] Forceful destruction successful, exit code 0 [2023-12-02 15:07:10,487 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 15:07:10,487 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:07:10,488 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:07:10,488 INFO L85 PathProgramCache]: Analyzing trace with hash -1752380607, now seen corresponding path program 1 times [2023-12-02 15:07:10,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 15:07:10,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [284107672] [2023-12-02 15:07:10,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:07:10,489 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 15:07:10,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 15:07:10,490 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 15:07:10,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2023-12-02 15:07:11,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:07:11,095 INFO L262 TraceCheckSpWp]: Trace formula consists of 381 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 15:07:11,099 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:07:13,423 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 39 treesize of output 23 [2023-12-02 15:07:14,090 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 15:07:14,090 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 68 treesize of output 40 [2023-12-02 15:07:14,328 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2023-12-02 15:07:14,328 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 15:07:14,328 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 15:07:14,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [284107672] [2023-12-02 15:07:14,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [284107672] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:07:14,328 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:07:14,328 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-02 15:07:14,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931238092] [2023-12-02 15:07:14,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:07:14,329 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-12-02 15:07:14,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 15:07:14,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-12-02 15:07:14,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2023-12-02 15:07:14,330 INFO L87 Difference]: Start difference. First operand 302 states and 412 transitions. Second operand has 10 states, 10 states have (on average 6.3) internal successors, (63), 9 states have internal predecessors, (63), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-12-02 15:07:17,273 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:07:19,277 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:07:20,423 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:07:23,805 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:07:25,088 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:07:27,362 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:07:29,619 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:07:31,623 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:07:33,625 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:07:36,062 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:07:36,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:07:36,110 INFO L93 Difference]: Finished difference Result 596 states and 813 transitions. [2023-12-02 15:07:36,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-02 15:07:36,112 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.3) internal successors, (63), 9 states have internal predecessors, (63), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 175 [2023-12-02 15:07:36,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:07:36,114 INFO L225 Difference]: With dead ends: 596 [2023-12-02 15:07:36,114 INFO L226 Difference]: Without dead ends: 356 [2023-12-02 15:07:36,115 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=104, Invalid=276, Unknown=0, NotChecked=0, Total=380 [2023-12-02 15:07:36,115 INFO L413 NwaCegarLoop]: 166 mSDtfsCounter, 249 mSDsluCounter, 778 mSDsCounter, 0 mSdLazyCounter, 568 mSolverCounterSat, 2 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 249 SdHoareTripleChecker+Valid, 944 SdHoareTripleChecker+Invalid, 577 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 568 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.1s IncrementalHoareTripleChecker+Time [2023-12-02 15:07:36,116 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [249 Valid, 944 Invalid, 577 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 568 Invalid, 7 Unknown, 0 Unchecked, 21.1s Time] [2023-12-02 15:07:36,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2023-12-02 15:07:36,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 304. [2023-12-02 15:07:36,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 304 states, 254 states have (on average 1.2716535433070866) internal successors, (323), 254 states have internal predecessors, (323), 46 states have call successors, (46), 3 states have call predecessors, (46), 3 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2023-12-02 15:07:36,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 415 transitions. [2023-12-02 15:07:36,150 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 415 transitions. Word has length 175 [2023-12-02 15:07:36,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:07:36,150 INFO L495 AbstractCegarLoop]: Abstraction has 304 states and 415 transitions. [2023-12-02 15:07:36,150 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.3) internal successors, (63), 9 states have internal predecessors, (63), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-12-02 15:07:36,150 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 415 transitions. [2023-12-02 15:07:36,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2023-12-02 15:07:36,151 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:07:36,152 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:07:36,161 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Ended with exit code 0 [2023-12-02 15:07:36,352 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 15:07:36,353 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:07:36,353 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:07:36,353 INFO L85 PathProgramCache]: Analyzing trace with hash -1359353597, now seen corresponding path program 1 times [2023-12-02 15:07:36,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 15:07:36,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1785449817] [2023-12-02 15:07:36,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:07:36,354 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 15:07:36,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 15:07:36,355 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 15:07:36,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2023-12-02 15:07:36,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:07:36,810 INFO L262 TraceCheckSpWp]: Trace formula consists of 379 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 15:07:36,813 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:07:36,925 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2023-12-02 15:07:36,925 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 15:07:36,925 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 15:07:36,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1785449817] [2023-12-02 15:07:36,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1785449817] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:07:36,926 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:07:36,926 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-02 15:07:36,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682465019] [2023-12-02 15:07:36,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:07:36,927 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 15:07:36,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 15:07:36,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 15:07:36,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-02 15:07:36,928 INFO L87 Difference]: Start difference. First operand 304 states and 415 transitions. Second operand has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-12-02 15:07:39,205 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:07:41,773 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:07:44,673 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:07:46,679 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:07:49,357 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:07:50,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:07:50,161 INFO L93 Difference]: Finished difference Result 608 states and 824 transitions. [2023-12-02 15:07:50,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 15:07:50,163 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 175 [2023-12-02 15:07:50,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:07:50,165 INFO L225 Difference]: With dead ends: 608 [2023-12-02 15:07:50,165 INFO L226 Difference]: Without dead ends: 366 [2023-12-02 15:07:50,166 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-12-02 15:07:50,167 INFO L413 NwaCegarLoop]: 169 mSDtfsCounter, 78 mSDsluCounter, 510 mSDsCounter, 0 mSdLazyCounter, 252 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 679 SdHoareTripleChecker+Invalid, 256 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 252 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.2s IncrementalHoareTripleChecker+Time [2023-12-02 15:07:50,167 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 679 Invalid, 256 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 252 Invalid, 4 Unknown, 0 Unchecked, 13.2s Time] [2023-12-02 15:07:50,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2023-12-02 15:07:50,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 304. [2023-12-02 15:07:50,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 304 states, 254 states have (on average 1.263779527559055) internal successors, (321), 254 states have internal predecessors, (321), 46 states have call successors, (46), 3 states have call predecessors, (46), 3 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2023-12-02 15:07:50,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 413 transitions. [2023-12-02 15:07:50,191 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 413 transitions. Word has length 175 [2023-12-02 15:07:50,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:07:50,191 INFO L495 AbstractCegarLoop]: Abstraction has 304 states and 413 transitions. [2023-12-02 15:07:50,191 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-12-02 15:07:50,192 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 413 transitions. [2023-12-02 15:07:50,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2023-12-02 15:07:50,192 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:07:50,193 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:07:50,202 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Ended with exit code 0 [2023-12-02 15:07:50,393 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 15:07:50,393 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:07:50,394 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:07:50,394 INFO L85 PathProgramCache]: Analyzing trace with hash -348236347, now seen corresponding path program 1 times [2023-12-02 15:07:50,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 15:07:50,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1946272928] [2023-12-02 15:07:50,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:07:50,395 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 15:07:50,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 15:07:50,396 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 15:07:50,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/mathsat -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 [2023-12-02 15:07:50,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:07:50,995 INFO L262 TraceCheckSpWp]: Trace formula consists of 377 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 15:07:50,999 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:07:53,283 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 [2023-12-02 15:07:53,403 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2023-12-02 15:07:53,403 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 15:07:53,403 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 15:07:53,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1946272928] [2023-12-02 15:07:53,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1946272928] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:07:53,403 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:07:53,404 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-02 15:07:53,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394954502] [2023-12-02 15:07:53,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:07:53,404 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-02 15:07:53,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 15:07:53,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-02 15:07:53,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-12-02 15:07:53,406 INFO L87 Difference]: Start difference. First operand 304 states and 413 transitions. Second operand has 7 states, 7 states have (on average 9.0) internal successors, (63), 6 states have internal predecessors, (63), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-12-02 15:07:56,041 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:07:58,045 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:07:59,979 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:08:02,473 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:08:04,476 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:08:06,478 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:08:08,665 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:08:10,670 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:08:11,873 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:08:12,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:08:12,061 INFO L93 Difference]: Finished difference Result 572 states and 774 transitions. [2023-12-02 15:08:12,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 15:08:12,062 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 6 states have internal predecessors, (63), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 175 [2023-12-02 15:08:12,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:08:12,065 INFO L225 Difference]: With dead ends: 572 [2023-12-02 15:08:12,065 INFO L226 Difference]: Without dead ends: 330 [2023-12-02 15:08:12,066 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2023-12-02 15:08:12,066 INFO L413 NwaCegarLoop]: 171 mSDtfsCounter, 169 mSDsluCounter, 288 mSDsCounter, 0 mSdLazyCounter, 325 mSolverCounterSat, 2 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 169 SdHoareTripleChecker+Valid, 459 SdHoareTripleChecker+Invalid, 334 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 325 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.6s IncrementalHoareTripleChecker+Time [2023-12-02 15:08:12,067 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [169 Valid, 459 Invalid, 334 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 325 Invalid, 7 Unknown, 0 Unchecked, 18.6s Time] [2023-12-02 15:08:12,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2023-12-02 15:08:12,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 302. [2023-12-02 15:08:12,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 252 states have (on average 1.257936507936508) internal successors, (317), 252 states have internal predecessors, (317), 46 states have call successors, (46), 3 states have call predecessors, (46), 3 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2023-12-02 15:08:12,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 409 transitions. [2023-12-02 15:08:12,088 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 409 transitions. Word has length 175 [2023-12-02 15:08:12,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:08:12,089 INFO L495 AbstractCegarLoop]: Abstraction has 302 states and 409 transitions. [2023-12-02 15:08:12,089 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 6 states have internal predecessors, (63), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-12-02 15:08:12,089 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 409 transitions. [2023-12-02 15:08:12,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2023-12-02 15:08:12,090 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:08:12,090 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:08:12,101 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Forceful destruction successful, exit code 0 [2023-12-02 15:08:12,290 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 15:08:12,291 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:08:12,291 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:08:12,291 INFO L85 PathProgramCache]: Analyzing trace with hash -1491720248, now seen corresponding path program 1 times [2023-12-02 15:08:12,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 15:08:12,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [281097894] [2023-12-02 15:08:12,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:08:12,292 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 15:08:12,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 15:08:12,293 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 15:08:12,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/mathsat -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 [2023-12-02 15:08:12,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:08:12,977 INFO L262 TraceCheckSpWp]: Trace formula consists of 376 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-02 15:08:12,982 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:08:14,324 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 [2023-12-02 15:08:14,421 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 12 [2023-12-02 15:08:14,496 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2023-12-02 15:08:14,709 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2023-12-02 15:08:14,709 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 15:08:14,709 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 15:08:14,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [281097894] [2023-12-02 15:08:14,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [281097894] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:08:14,709 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:08:14,710 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-02 15:08:14,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702368654] [2023-12-02 15:08:14,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:08:14,710 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-02 15:08:14,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 15:08:14,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-02 15:08:14,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2023-12-02 15:08:14,712 INFO L87 Difference]: Start difference. First operand 302 states and 409 transitions. Second operand has 13 states, 13 states have (on average 4.923076923076923) internal successors, (64), 12 states have internal predecessors, (64), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-12-02 15:08:17,552 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:08:19,556 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:08:24,130 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:08:25,604 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:08:27,735 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:08:30,955 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:08:31,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:08:31,004 INFO L93 Difference]: Finished difference Result 640 states and 863 transitions. [2023-12-02 15:08:31,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-12-02 15:08:31,005 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.923076923076923) internal successors, (64), 12 states have internal predecessors, (64), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 176 [2023-12-02 15:08:31,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:08:31,009 INFO L225 Difference]: With dead ends: 640 [2023-12-02 15:08:31,009 INFO L226 Difference]: Without dead ends: 400 [2023-12-02 15:08:31,010 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 190 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 127 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=196, Invalid=560, Unknown=0, NotChecked=0, Total=756 [2023-12-02 15:08:31,010 INFO L413 NwaCegarLoop]: 126 mSDtfsCounter, 364 mSDsluCounter, 1015 mSDsCounter, 0 mSdLazyCounter, 653 mSolverCounterSat, 7 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 364 SdHoareTripleChecker+Valid, 1141 SdHoareTripleChecker+Invalid, 664 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 653 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.6s IncrementalHoareTripleChecker+Time [2023-12-02 15:08:31,010 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [364 Valid, 1141 Invalid, 664 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 653 Invalid, 4 Unknown, 0 Unchecked, 15.6s Time] [2023-12-02 15:08:31,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 400 states. [2023-12-02 15:08:31,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 400 to 321. [2023-12-02 15:08:31,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 321 states, 271 states have (on average 1.2730627306273063) internal successors, (345), 271 states have internal predecessors, (345), 46 states have call successors, (46), 3 states have call predecessors, (46), 3 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2023-12-02 15:08:31,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 321 states and 437 transitions. [2023-12-02 15:08:31,035 INFO L78 Accepts]: Start accepts. Automaton has 321 states and 437 transitions. Word has length 176 [2023-12-02 15:08:31,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:08:31,036 INFO L495 AbstractCegarLoop]: Abstraction has 321 states and 437 transitions. [2023-12-02 15:08:31,036 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.923076923076923) internal successors, (64), 12 states have internal predecessors, (64), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-12-02 15:08:31,036 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 437 transitions. [2023-12-02 15:08:31,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2023-12-02 15:08:31,038 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:08:31,038 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:08:31,050 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/mathsat -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 [2023-12-02 15:08:31,238 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 15:08:31,239 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:08:31,239 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:08:31,239 INFO L85 PathProgramCache]: Analyzing trace with hash -1626581820, now seen corresponding path program 1 times [2023-12-02 15:08:31,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 15:08:31,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [135540711] [2023-12-02 15:08:31,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:08:31,240 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 15:08:31,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 15:08:31,241 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 15:08:31,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/mathsat -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 [2023-12-02 15:08:31,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:08:31,995 INFO L262 TraceCheckSpWp]: Trace formula consists of 380 conjuncts, 37 conjunts are in the unsatisfiable core [2023-12-02 15:08:32,001 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:08:34,815 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 [2023-12-02 15:08:36,376 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 25 [2023-12-02 15:08:37,461 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 25 [2023-12-02 15:08:38,199 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 25 [2023-12-02 15:08:39,087 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 25 [2023-12-02 15:08:39,947 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 25 [2023-12-02 15:08:40,800 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 25 [2023-12-02 15:08:41,640 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 25 [2023-12-02 15:08:42,381 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 25 [2023-12-02 15:08:43,318 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 25 [2023-12-02 15:08:44,058 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 50 treesize of output 33 [2023-12-02 15:08:44,336 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 43 treesize of output 32 [2023-12-02 15:08:44,619 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 51 proven. 792 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2023-12-02 15:08:44,619 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 15:08:45,340 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_630 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_631 (_ BitVec 32)) (v_ArrVal_633 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 (store |c_#memory_int| c_~signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer~0.base v_ArrVal_630))) (or (not (= ((_ extract 7 0) (select (select (store (store .cse0 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base (store (select .cse0 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.offset v_ArrVal_631)) c_~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.base v_ArrVal_633) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer~0.offset)) (_ bv0 8))) (= ((_ extract 7 0) (select (select .cse0 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer~0.offset)) (_ bv0 8))))) is different from false [2023-12-02 15:08:45,450 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 15:08:45,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [135540711] [2023-12-02 15:08:45,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [135540711] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 15:08:45,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1217397276] [2023-12-02 15:08:45,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:08:45,451 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 15:08:45,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 15:08:45,452 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 15:08:45,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2023-12-02 15:08:46,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:08:46,893 INFO L262 TraceCheckSpWp]: Trace formula consists of 380 conjuncts, 20 conjunts are in the unsatisfiable core [2023-12-02 15:08:46,897 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:08:51,012 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2023-12-02 15:08:51,216 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 18 treesize of output 13 [2023-12-02 15:08:51,503 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2023-12-02 15:08:51,503 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 15:08:51,504 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1217397276] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:08:51,504 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-02 15:08:51,504 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [17] total 23 [2023-12-02 15:08:51,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898476654] [2023-12-02 15:08:51,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:08:51,505 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-02 15:08:51,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 15:08:51,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-02 15:08:51,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=675, Unknown=32, NotChecked=54, Total=870 [2023-12-02 15:08:51,506 INFO L87 Difference]: Start difference. First operand 321 states and 437 transitions. Second operand has 8 states, 8 states have (on average 8.0) internal successors, (64), 7 states have internal predecessors, (64), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-12-02 15:08:54,284 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:08:55,601 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:08:58,390 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:09:00,393 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:09:02,840 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:09:04,847 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:09:06,850 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:09:08,853 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:09:10,989 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:09:12,993 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:09:15,324 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:09:17,327 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:09:18,373 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:09:18,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:09:18,424 INFO L93 Difference]: Finished difference Result 657 states and 891 transitions. [2023-12-02 15:09:18,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 15:09:18,426 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.0) internal successors, (64), 7 states have internal predecessors, (64), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 176 [2023-12-02 15:09:18,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:09:18,428 INFO L225 Difference]: With dead ends: 657 [2023-12-02 15:09:18,429 INFO L226 Difference]: Without dead ends: 398 [2023-12-02 15:09:18,430 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 388 GetRequests, 357 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 272 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=128, Invalid=836, Unknown=32, NotChecked=60, Total=1056 [2023-12-02 15:09:18,431 INFO L413 NwaCegarLoop]: 142 mSDtfsCounter, 219 mSDsluCounter, 313 mSDsCounter, 0 mSdLazyCounter, 415 mSolverCounterSat, 5 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 219 SdHoareTripleChecker+Valid, 455 SdHoareTripleChecker+Invalid, 431 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 415 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.6s IncrementalHoareTripleChecker+Time [2023-12-02 15:09:18,431 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [219 Valid, 455 Invalid, 431 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 415 Invalid, 11 Unknown, 0 Unchecked, 26.6s Time] [2023-12-02 15:09:18,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 398 states. [2023-12-02 15:09:18,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 398 to 336. [2023-12-02 15:09:18,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 336 states, 286 states have (on average 1.2832167832167831) internal successors, (367), 286 states have internal predecessors, (367), 46 states have call successors, (46), 3 states have call predecessors, (46), 3 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2023-12-02 15:09:18,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 336 states and 459 transitions. [2023-12-02 15:09:18,462 INFO L78 Accepts]: Start accepts. Automaton has 336 states and 459 transitions. Word has length 176 [2023-12-02 15:09:18,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:09:18,463 INFO L495 AbstractCegarLoop]: Abstraction has 336 states and 459 transitions. [2023-12-02 15:09:18,463 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.0) internal successors, (64), 7 states have internal predecessors, (64), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-12-02 15:09:18,463 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 459 transitions. [2023-12-02 15:09:18,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2023-12-02 15:09:18,464 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:09:18,464 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:09:18,472 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2023-12-02 15:09:18,674 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (21)] Ended with exit code 0 [2023-12-02 15:09:18,865 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt,21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 15:09:18,865 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:09:18,865 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:09:18,866 INFO L85 PathProgramCache]: Analyzing trace with hash 296646214, now seen corresponding path program 1 times [2023-12-02 15:09:18,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 15:09:18,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [396470917] [2023-12-02 15:09:18,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:09:18,866 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 15:09:18,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 15:09:18,867 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 15:09:18,869 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/mathsat -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 [2023-12-02 15:09:19,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:09:19,578 INFO L262 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 37 conjunts are in the unsatisfiable core [2023-12-02 15:09:19,584 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:09:22,379 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 [2023-12-02 15:09:23,895 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 33 treesize of output 17 [2023-12-02 15:09:24,863 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 12 [2023-12-02 15:09:25,524 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 12 [2023-12-02 15:09:26,324 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 12 [2023-12-02 15:09:27,093 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 12 [2023-12-02 15:09:27,869 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 12 [2023-12-02 15:09:28,574 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 12 [2023-12-02 15:09:29,244 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 12 [2023-12-02 15:09:30,060 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 12 [2023-12-02 15:09:30,708 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 33 treesize of output 17 [2023-12-02 15:09:30,953 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 19 [2023-12-02 15:09:31,184 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 51 proven. 792 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2023-12-02 15:09:31,184 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 15:09:31,880 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_709 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_711 (_ BitVec 32)) (v_ArrVal_712 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 (store |c_#memory_int| c_~signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer~0.base v_ArrVal_709))) (or (not (= ((_ extract 7 0) (select (select (store (store .cse0 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base (store (select .cse0 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.offset v_ArrVal_711)) c_~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.base v_ArrVal_712) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer~0.offset)) (_ bv0 8))) (= ((_ extract 7 0) (select (select .cse0 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer~0.offset)) (_ bv0 8))))) is different from false [2023-12-02 15:09:31,989 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 15:09:31,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [396470917] [2023-12-02 15:09:31,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [396470917] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 15:09:31,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1407642478] [2023-12-02 15:09:31,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:09:31,990 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 15:09:31,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 15:09:31,991 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 15:09:31,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2023-12-02 15:09:33,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:09:33,563 INFO L262 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-02 15:09:33,570 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:09:37,743 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2023-12-02 15:09:37,952 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 18 treesize of output 13 [2023-12-02 15:09:38,104 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2023-12-02 15:09:38,105 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 15:09:38,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1407642478] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:09:38,105 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-02 15:09:38,105 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [17] total 22 [2023-12-02 15:09:38,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987666260] [2023-12-02 15:09:38,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:09:38,106 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-02 15:09:38,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 15:09:38,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-02 15:09:38,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=581, Unknown=36, NotChecked=52, Total=812 [2023-12-02 15:09:38,107 INFO L87 Difference]: Start difference. First operand 336 states and 459 transitions. Second operand has 8 states, 8 states have (on average 8.0) internal successors, (64), 7 states have internal predecessors, (64), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-12-02 15:09:42,038 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:09:44,041 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:09:46,044 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:09:48,045 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:09:50,789 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:09:52,791 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:09:55,736 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:09:57,739 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:09:59,999 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:10:01,317 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:10:01,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:10:01,393 INFO L93 Difference]: Finished difference Result 673 states and 918 transitions. [2023-12-02 15:10:01,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 15:10:01,394 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.0) internal successors, (64), 7 states have internal predecessors, (64), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 176 [2023-12-02 15:10:01,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:10:01,397 INFO L225 Difference]: With dead ends: 673 [2023-12-02 15:10:01,397 INFO L226 Difference]: Without dead ends: 399 [2023-12-02 15:10:01,398 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 388 GetRequests, 358 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 269 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=173, Invalid=724, Unknown=37, NotChecked=58, Total=992 [2023-12-02 15:10:01,398 INFO L413 NwaCegarLoop]: 135 mSDtfsCounter, 205 mSDsluCounter, 307 mSDsCounter, 0 mSdLazyCounter, 493 mSolverCounterSat, 7 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 205 SdHoareTripleChecker+Valid, 442 SdHoareTripleChecker+Invalid, 508 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 493 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.0s IncrementalHoareTripleChecker+Time [2023-12-02 15:10:01,398 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [205 Valid, 442 Invalid, 508 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 493 Invalid, 8 Unknown, 0 Unchecked, 23.0s Time] [2023-12-02 15:10:01,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 399 states. [2023-12-02 15:10:01,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 399 to 336. [2023-12-02 15:10:01,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 336 states, 286 states have (on average 1.2832167832167831) internal successors, (367), 286 states have internal predecessors, (367), 46 states have call successors, (46), 3 states have call predecessors, (46), 3 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2023-12-02 15:10:01,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 336 states and 459 transitions. [2023-12-02 15:10:01,430 INFO L78 Accepts]: Start accepts. Automaton has 336 states and 459 transitions. Word has length 176 [2023-12-02 15:10:01,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:10:01,431 INFO L495 AbstractCegarLoop]: Abstraction has 336 states and 459 transitions. [2023-12-02 15:10:01,431 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.0) internal successors, (64), 7 states have internal predecessors, (64), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-12-02 15:10:01,431 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 459 transitions. [2023-12-02 15:10:01,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2023-12-02 15:10:01,432 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:10:01,433 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:10:01,442 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/mathsat -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)] Ended with exit code 0 [2023-12-02 15:10:01,640 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2023-12-02 15:10:01,833 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt [2023-12-02 15:10:01,835 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:10:01,836 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:10:01,836 INFO L85 PathProgramCache]: Analyzing trace with hash 1958259790, now seen corresponding path program 1 times [2023-12-02 15:10:01,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 15:10:01,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [865602904] [2023-12-02 15:10:01,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:10:01,838 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 15:10:01,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 15:10:01,841 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 15:10:01,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/mathsat -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 [2023-12-02 15:10:02,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:10:02,577 INFO L262 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 36 conjunts are in the unsatisfiable core [2023-12-02 15:10:02,582 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:10:05,949 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 [2023-12-02 15:10:07,069 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 19 [2023-12-02 15:10:07,610 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 19 [2023-12-02 15:10:08,230 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 19 [2023-12-02 15:10:08,908 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 19 [2023-12-02 15:10:09,610 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 19 [2023-12-02 15:10:10,193 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 19 [2023-12-02 15:10:10,841 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 19 [2023-12-02 15:10:11,602 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 19 [2023-12-02 15:10:12,131 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 32 treesize of output 16 [2023-12-02 15:10:12,311 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 18 [2023-12-02 15:10:12,522 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 32 proven. 764 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2023-12-02 15:10:12,522 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 15:10:12,608 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_789 (Array (_ BitVec 32) (_ BitVec 32)))) (= (_ bv0 8) ((_ extract 7 0) (select (select (store |c_#memory_int| c_~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.base v_ArrVal_789) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer~0.offset)))) is different from false [2023-12-02 15:10:13,075 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_786 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_788 (_ BitVec 32)) (v_ArrVal_789 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 (store |c_#memory_int| c_~signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer~0.base v_ArrVal_786))) (or (= ((_ extract 7 0) (select (select (store (store .cse0 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base (store (select .cse0 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.offset v_ArrVal_788)) c_~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.base v_ArrVal_789) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer~0.offset)) (_ bv0 8)) (not (= (_ bv0 8) ((_ extract 7 0) (select (select .cse0 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer~0.offset))))))) is different from false [2023-12-02 15:10:13,171 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 15:10:13,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [865602904] [2023-12-02 15:10:13,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [865602904] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 15:10:13,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2094454839] [2023-12-02 15:10:13,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:10:13,171 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 15:10:13,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 15:10:13,172 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 15:10:13,173 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2023-12-02 15:10:14,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:10:14,697 INFO L262 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 20 conjunts are in the unsatisfiable core [2023-12-02 15:10:14,704 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:10:18,199 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 [2023-12-02 15:10:18,406 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 12 [2023-12-02 15:10:18,594 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2023-12-02 15:10:18,594 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 15:10:18,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2094454839] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:10:18,594 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-02 15:10:18,594 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [17] total 22 [2023-12-02 15:10:18,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308632956] [2023-12-02 15:10:18,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:10:18,595 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-02 15:10:18,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 15:10:18,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-02 15:10:18,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=559, Unknown=20, NotChecked=102, Total=812 [2023-12-02 15:10:18,596 INFO L87 Difference]: Start difference. First operand 336 states and 459 transitions. Second operand has 8 states, 8 states have (on average 8.0) internal successors, (64), 7 states have internal predecessors, (64), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-12-02 15:10:21,167 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:10:23,817 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:10:25,822 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:10:27,824 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:10:29,935 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:10:31,938 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:10:33,942 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:10:35,945 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:10:36,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:10:36,134 INFO L93 Difference]: Finished difference Result 634 states and 862 transitions. [2023-12-02 15:10:36,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 15:10:36,135 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.0) internal successors, (64), 7 states have internal predecessors, (64), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 176 [2023-12-02 15:10:36,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:10:36,138 INFO L225 Difference]: With dead ends: 634 [2023-12-02 15:10:36,138 INFO L226 Difference]: Without dead ends: 360 [2023-12-02 15:10:36,139 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 386 GetRequests, 358 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 223 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=142, Invalid=602, Unknown=20, NotChecked=106, Total=870 [2023-12-02 15:10:36,139 INFO L413 NwaCegarLoop]: 159 mSDtfsCounter, 166 mSDsluCounter, 304 mSDsCounter, 0 mSdLazyCounter, 424 mSolverCounterSat, 5 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 463 SdHoareTripleChecker+Invalid, 436 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 424 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.4s IncrementalHoareTripleChecker+Time [2023-12-02 15:10:36,139 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [166 Valid, 463 Invalid, 436 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 424 Invalid, 7 Unknown, 0 Unchecked, 17.4s Time] [2023-12-02 15:10:36,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2023-12-02 15:10:36,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 321. [2023-12-02 15:10:36,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 321 states, 271 states have (on average 1.2730627306273063) internal successors, (345), 271 states have internal predecessors, (345), 46 states have call successors, (46), 3 states have call predecessors, (46), 3 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2023-12-02 15:10:36,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 321 states and 437 transitions. [2023-12-02 15:10:36,176 INFO L78 Accepts]: Start accepts. Automaton has 321 states and 437 transitions. Word has length 176 [2023-12-02 15:10:36,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:10:36,177 INFO L495 AbstractCegarLoop]: Abstraction has 321 states and 437 transitions. [2023-12-02 15:10:36,177 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.0) internal successors, (64), 7 states have internal predecessors, (64), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-12-02 15:10:36,177 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 437 transitions. [2023-12-02 15:10:36,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2023-12-02 15:10:36,178 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:10:36,178 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:10:36,186 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2023-12-02 15:10:36,391 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/mathsat -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 [2023-12-02 15:10:36,579 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt,25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 15:10:36,579 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:10:36,579 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:10:36,579 INFO L85 PathProgramCache]: Analyzing trace with hash 1823398218, now seen corresponding path program 1 times [2023-12-02 15:10:36,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 15:10:36,580 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [997196802] [2023-12-02 15:10:36,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:10:36,580 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 15:10:36,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 15:10:36,581 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 15:10:36,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (27)] Waiting until timeout for monitored process [2023-12-02 15:10:37,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:10:37,283 INFO L262 TraceCheckSpWp]: Trace formula consists of 386 conjuncts, 47 conjunts are in the unsatisfiable core [2023-12-02 15:10:37,289 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:10:38,888 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-02 15:10:40,473 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 [2023-12-02 15:10:41,300 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 31 treesize of output 26 [2023-12-02 15:10:42,207 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 35 treesize of output 26 [2023-12-02 15:10:42,790 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 35 treesize of output 26 [2023-12-02 15:10:43,536 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 35 treesize of output 26 [2023-12-02 15:10:44,227 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 35 treesize of output 26 [2023-12-02 15:10:44,950 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 35 treesize of output 26 [2023-12-02 15:10:45,643 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 35 treesize of output 26 [2023-12-02 15:10:46,253 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 35 treesize of output 26 [2023-12-02 15:10:47,035 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 35 treesize of output 26 [2023-12-02 15:10:47,537 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 39 treesize of output 37 [2023-12-02 15:10:47,867 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 43 treesize of output 32 [2023-12-02 15:10:48,357 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 38 [2023-12-02 15:10:48,617 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 68 proven. 804 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2023-12-02 15:10:48,617 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 15:10:49,242 WARN L854 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_870 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 ((_ zero_extend 24) ((_ extract 7 0) (select (select (store |c_#memory_int| c_~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.base v_ArrVal_870) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.offset))))) (or (= .cse0 (_ bv1 32)) (= .cse0 (_ bv0 32))))) (forall ((v_ArrVal_870 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse1 (store |c_#memory_int| c_~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.base v_ArrVal_870))) (or (not (= ((_ zero_extend 24) ((_ extract 7 0) (select (select .cse1 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.offset))) (_ bv1 32))) (not (= ((_ extract 7 0) (select (select .cse1 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.offset)) (_ bv0 8)))))) (forall ((v_ArrVal_870 (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_870))) (or (= ((_ extract 7 0) (select (select .cse2 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.offset)) (_ bv0 8)) (= ((_ zero_extend 24) ((_ extract 7 0) (select (select .cse2 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.offset))) (_ bv1 32)))))) is different from false [2023-12-02 15:10:49,515 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse4 (select |c_#memory_int| c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base))) (and (or |c_ULTIMATE.start_step_#t~short19#1| (let ((.cse1 (store |c_#memory_int| c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base (store .cse4 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.offset ((_ sign_extend 24) (_ bv0 8)))))) (and (forall ((v_ArrVal_870 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 (store .cse1 c_~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.base v_ArrVal_870))) (or (not (= (_ bv0 8) ((_ extract 7 0) (select (select .cse0 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.offset)))) (not (= ((_ zero_extend 24) ((_ extract 7 0) (select (select .cse0 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.offset))) (_ bv1 32)))))) (forall ((v_ArrVal_870 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse2 ((_ zero_extend 24) ((_ extract 7 0) (select (select (store .cse1 c_~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.base v_ArrVal_870) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.offset))))) (or (= .cse2 (_ bv1 32)) (= .cse2 (_ bv0 32))))) (forall ((v_ArrVal_870 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse3 (store .cse1 c_~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.base v_ArrVal_870))) (or (= ((_ zero_extend 24) ((_ extract 7 0) (select (select .cse3 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.offset))) (_ bv1 32)) (= (_ bv0 8) ((_ extract 7 0) (select (select .cse3 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.offset))))))))) (or (let ((.cse6 (store |c_#memory_int| c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base (store .cse4 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.offset ((_ sign_extend 24) (_ bv1 8)))))) (and (forall ((v_ArrVal_870 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse5 (store .cse6 c_~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.base v_ArrVal_870))) (or (not (= ((_ extract 7 0) (select (select .cse5 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.offset)) (_ bv0 8))) (not (= ((_ zero_extend 24) ((_ extract 7 0) (select (select .cse5 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.offset))) (_ bv1 32)))))) (forall ((v_ArrVal_870 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse7 ((_ zero_extend 24) ((_ extract 7 0) (select (select (store .cse6 c_~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.base v_ArrVal_870) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.offset))))) (or (= .cse7 (_ bv1 32)) (= .cse7 (_ bv0 32))))) (forall ((v_ArrVal_870 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse8 (store .cse6 c_~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.base v_ArrVal_870))) (or (= ((_ zero_extend 24) ((_ extract 7 0) (select (select .cse8 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.offset))) (_ bv1 32)) (= ((_ extract 7 0) (select (select .cse8 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.offset)) (_ bv0 8))))))) (not |c_ULTIMATE.start_step_#t~short19#1|)))) is different from false [2023-12-02 15:10:49,682 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse5 (select |c_#memory_int| c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base)) (.cse0 (= ((_ extract 7 0) (select (select |c_#memory_int| c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.offset)) (_ bv0 8)))) (and (or (not .cse0) (let ((.cse2 (store |c_#memory_int| c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base (store .cse5 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.offset ((_ sign_extend 24) (_ bv0 8)))))) (and (forall ((v_ArrVal_870 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse1 (store .cse2 c_~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.base v_ArrVal_870))) (or (not (= (_ bv0 8) ((_ extract 7 0) (select (select .cse1 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.offset)))) (not (= ((_ zero_extend 24) ((_ extract 7 0) (select (select .cse1 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.offset))) (_ bv1 32)))))) (forall ((v_ArrVal_870 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse3 ((_ zero_extend 24) ((_ extract 7 0) (select (select (store .cse2 c_~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.base v_ArrVal_870) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.offset))))) (or (= .cse3 (_ bv1 32)) (= .cse3 (_ bv0 32))))) (forall ((v_ArrVal_870 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse4 (store .cse2 c_~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.base v_ArrVal_870))) (or (= ((_ zero_extend 24) ((_ extract 7 0) (select (select .cse4 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.offset))) (_ bv1 32)) (= (_ bv0 8) ((_ extract 7 0) (select (select .cse4 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.offset))))))))) (or (let ((.cse7 (store |c_#memory_int| c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base (store .cse5 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.offset ((_ sign_extend 24) (_ bv1 8)))))) (and (forall ((v_ArrVal_870 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse6 (store .cse7 c_~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.base v_ArrVal_870))) (or (not (= ((_ extract 7 0) (select (select .cse6 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.offset)) (_ bv0 8))) (not (= ((_ zero_extend 24) ((_ extract 7 0) (select (select .cse6 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.offset))) (_ bv1 32)))))) (forall ((v_ArrVal_870 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse8 ((_ zero_extend 24) ((_ extract 7 0) (select (select (store .cse7 c_~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.base v_ArrVal_870) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.offset))))) (or (= .cse8 (_ bv1 32)) (= .cse8 (_ bv0 32))))) (forall ((v_ArrVal_870 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse9 (store .cse7 c_~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.base v_ArrVal_870))) (or (= ((_ zero_extend 24) ((_ extract 7 0) (select (select .cse9 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.offset))) (_ bv1 32)) (= ((_ extract 7 0) (select (select .cse9 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.offset)) (_ bv0 8))))))) .cse0))) is different from false [2023-12-02 15:10:50,527 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse2 ((_ sign_extend 24) (_ bv1 8))) (.cse7 ((_ sign_extend 24) (_ bv0 8)))) (and (forall ((v_ArrVal_867 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse1 (store |c_#memory_int| c_~signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer~0.base v_ArrVal_867))) (or (forall ((v_ArrVal_870 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 ((_ zero_extend 24) ((_ extract 7 0) (select (select (store (store .cse1 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base (store (select .cse1 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.offset .cse2)) c_~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.base v_ArrVal_870) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.offset))))) (or (= (_ bv1 32) .cse0) (= (_ bv0 32) .cse0)))) (= ((_ extract 7 0) (select (select .cse1 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.offset)) (_ bv0 8))))) (forall ((v_ArrVal_867 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse4 (store |c_#memory_int| c_~signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer~0.base v_ArrVal_867))) (or (forall ((v_ArrVal_870 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse3 (store (store .cse4 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base (store (select .cse4 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.offset .cse2)) c_~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.base v_ArrVal_870))) (or (= (_ bv1 32) ((_ zero_extend 24) ((_ extract 7 0) (select (select .cse3 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.offset)))) (= ((_ extract 7 0) (select (select .cse3 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.offset)) (_ bv0 8))))) (= ((_ extract 7 0) (select (select .cse4 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.offset)) (_ bv0 8))))) (forall ((v_ArrVal_867 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse6 (store |c_#memory_int| c_~signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer~0.base v_ArrVal_867))) (or (forall ((v_ArrVal_870 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse5 (store (store .cse6 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base (store (select .cse6 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.offset .cse7)) c_~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.base v_ArrVal_870))) (or (not (= ((_ extract 7 0) (select (select .cse5 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.offset)) (_ bv0 8))) (not (= ((_ zero_extend 24) ((_ extract 7 0) (select (select .cse5 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.offset))) (_ bv1 32)))))) (not (= ((_ extract 7 0) (select (select .cse6 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.offset)) (_ bv0 8)))))) (forall ((v_ArrVal_867 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse8 (store |c_#memory_int| c_~signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer~0.base v_ArrVal_867))) (or (not (= ((_ extract 7 0) (select (select .cse8 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.offset)) (_ bv0 8))) (forall ((v_ArrVal_870 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse9 ((_ zero_extend 24) ((_ extract 7 0) (select (select (store (store .cse8 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base (store (select .cse8 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.offset .cse7)) c_~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.base v_ArrVal_870) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.offset))))) (or (= .cse9 (_ bv1 32)) (= .cse9 (_ bv0 32)))))))) (forall ((v_ArrVal_867 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse11 (store |c_#memory_int| c_~signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer~0.base v_ArrVal_867))) (or (forall ((v_ArrVal_870 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse10 (store (store .cse11 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base (store (select .cse11 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.offset .cse2)) c_~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.base v_ArrVal_870))) (or (not (= (_ bv1 32) ((_ zero_extend 24) ((_ extract 7 0) (select (select .cse10 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.offset))))) (not (= ((_ extract 7 0) (select (select .cse10 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.offset)) (_ bv0 8)))))) (= ((_ extract 7 0) (select (select .cse11 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.offset)) (_ bv0 8))))) (forall ((v_ArrVal_867 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse12 (store |c_#memory_int| c_~signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer~0.base v_ArrVal_867))) (or (not (= ((_ extract 7 0) (select (select .cse12 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.offset)) (_ bv0 8))) (forall ((v_ArrVal_870 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse13 (store (store .cse12 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base (store (select .cse12 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.offset .cse7)) c_~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.base v_ArrVal_870))) (or (= ((_ extract 7 0) (select (select .cse13 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.offset)) (_ bv0 8)) (= ((_ zero_extend 24) ((_ extract 7 0) (select (select .cse13 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.offset))) (_ bv1 32)))))))))) is different from false [2023-12-02 15:10:51,308 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 15:10:51,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [997196802] [2023-12-02 15:10:51,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [997196802] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 15:10:51,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [126400835] [2023-12-02 15:10:51,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:10:51,309 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 15:10:51,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 15:10:51,309 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 15:10:51,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2023-12-02 15:10:52,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:10:52,630 INFO L262 TraceCheckSpWp]: Trace formula consists of 386 conjuncts, 50 conjunts are in the unsatisfiable core [2023-12-02 15:10:52,636 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:10:54,209 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 [2023-12-02 15:10:57,022 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 39 treesize of output 30 [2023-12-02 15:10:58,225 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 47 treesize of output 41 [2023-12-02 15:10:59,379 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 51 treesize of output 38 [2023-12-02 15:11:00,287 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 51 treesize of output 38 [2023-12-02 15:11:01,093 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 51 treesize of output 38 [2023-12-02 15:11:01,874 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 51 treesize of output 38 [2023-12-02 15:11:02,862 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 51 treesize of output 38 [2023-12-02 15:11:03,599 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 51 treesize of output 38 [2023-12-02 15:11:04,287 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 51 treesize of output 38 [2023-12-02 15:11:05,322 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 51 treesize of output 38 [2023-12-02 15:11:06,119 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 52 [2023-12-02 15:11:06,622 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 59 treesize of output 44 [2023-12-02 15:11:07,380 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 82 treesize of output 46 [2023-12-02 15:11:07,414 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 72 proven. 804 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-02 15:11:07,414 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 15:11:07,719 WARN L854 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_915 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 (store |c_#memory_int| c_~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.base v_ArrVal_915))) (or (not (= (_ bv1 32) ((_ zero_extend 24) ((_ extract 7 0) (select (select .cse0 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.offset))))) (not (= ((_ extract 7 0) (select (select .cse0 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.offset)) (_ bv0 8)))))) (forall ((v_ArrVal_915 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse1 ((_ zero_extend 24) ((_ extract 7 0) (select (select (store |c_#memory_int| c_~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.base v_ArrVal_915) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.offset))))) (or (= (_ bv1 32) .cse1) (= (_ bv0 32) .cse1)))) (forall ((v_ArrVal_915 (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_915))) (or (= (_ bv1 32) ((_ zero_extend 24) ((_ extract 7 0) (select (select .cse2 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.offset)))) (= ((_ extract 7 0) (select (select .cse2 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.offset)) (_ bv0 8)))))) is different from false [2023-12-02 15:11:07,948 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse4 (select |c_#memory_int| c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base))) (and (or (let ((.cse1 (store |c_#memory_int| c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base (store .cse4 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.offset ((_ sign_extend 24) (_ bv1 8)))))) (and (forall ((v_ArrVal_915 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 (store .cse1 c_~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.base v_ArrVal_915))) (or (= (_ bv1 32) ((_ zero_extend 24) ((_ extract 7 0) (select (select .cse0 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.offset)))) (= ((_ extract 7 0) (select (select .cse0 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.offset)) (_ bv0 8))))) (forall ((v_ArrVal_915 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse2 (store .cse1 c_~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.base v_ArrVal_915))) (or (not (= ((_ extract 7 0) (select (select .cse2 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.offset)) (_ bv0 8))) (not (= (_ bv1 32) ((_ zero_extend 24) ((_ extract 7 0) (select (select .cse2 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.offset)))))))) (forall ((v_ArrVal_915 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse3 ((_ zero_extend 24) ((_ extract 7 0) (select (select (store .cse1 c_~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.base v_ArrVal_915) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.offset))))) (or (= (_ bv1 32) .cse3) (= (_ bv0 32) .cse3)))))) (not |c_ULTIMATE.start_step_#t~short19#1|)) (or |c_ULTIMATE.start_step_#t~short19#1| (let ((.cse6 (store |c_#memory_int| c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base (store .cse4 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.offset ((_ sign_extend 24) (_ bv0 8)))))) (and (forall ((v_ArrVal_915 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse5 (store .cse6 c_~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.base v_ArrVal_915))) (or (not (= ((_ extract 7 0) (select (select .cse5 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.offset)) (_ bv0 8))) (not (= ((_ zero_extend 24) ((_ extract 7 0) (select (select .cse5 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.offset))) (_ bv1 32)))))) (forall ((v_ArrVal_915 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse7 (store .cse6 c_~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.base v_ArrVal_915))) (or (= ((_ zero_extend 24) ((_ extract 7 0) (select (select .cse7 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.offset))) (_ bv1 32)) (= ((_ extract 7 0) (select (select .cse7 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.offset)) (_ bv0 8))))) (forall ((v_ArrVal_915 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse8 ((_ zero_extend 24) ((_ extract 7 0) (select (select (store .cse6 c_~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.base v_ArrVal_915) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.offset))))) (or (= .cse8 (_ bv0 32)) (= .cse8 (_ bv1 32)))))))))) is different from false [2023-12-02 15:11:08,087 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse5 (= ((_ extract 7 0) (select (select |c_#memory_int| c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.offset)) (_ bv0 8))) (.cse4 (select |c_#memory_int| c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base))) (and (or (let ((.cse1 (store |c_#memory_int| c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base (store .cse4 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.offset ((_ sign_extend 24) (_ bv1 8)))))) (and (forall ((v_ArrVal_915 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 (store .cse1 c_~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.base v_ArrVal_915))) (or (= (_ bv1 32) ((_ zero_extend 24) ((_ extract 7 0) (select (select .cse0 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.offset)))) (= ((_ extract 7 0) (select (select .cse0 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.offset)) (_ bv0 8))))) (forall ((v_ArrVal_915 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse2 (store .cse1 c_~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.base v_ArrVal_915))) (or (not (= ((_ extract 7 0) (select (select .cse2 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.offset)) (_ bv0 8))) (not (= (_ bv1 32) ((_ zero_extend 24) ((_ extract 7 0) (select (select .cse2 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.offset)))))))) (forall ((v_ArrVal_915 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse3 ((_ zero_extend 24) ((_ extract 7 0) (select (select (store .cse1 c_~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.base v_ArrVal_915) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.offset))))) (or (= (_ bv1 32) .cse3) (= (_ bv0 32) .cse3)))))) .cse5) (or (not .cse5) (let ((.cse7 (store |c_#memory_int| c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base (store .cse4 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.offset ((_ sign_extend 24) (_ bv0 8)))))) (and (forall ((v_ArrVal_915 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse6 (store .cse7 c_~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.base v_ArrVal_915))) (or (not (= ((_ extract 7 0) (select (select .cse6 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.offset)) (_ bv0 8))) (not (= ((_ zero_extend 24) ((_ extract 7 0) (select (select .cse6 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.offset))) (_ bv1 32)))))) (forall ((v_ArrVal_915 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse8 (store .cse7 c_~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.base v_ArrVal_915))) (or (= ((_ zero_extend 24) ((_ extract 7 0) (select (select .cse8 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.offset))) (_ bv1 32)) (= ((_ extract 7 0) (select (select .cse8 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.offset)) (_ bv0 8))))) (forall ((v_ArrVal_915 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse9 ((_ zero_extend 24) ((_ extract 7 0) (select (select (store .cse7 c_~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.base v_ArrVal_915) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.offset))))) (or (= .cse9 (_ bv0 32)) (= .cse9 (_ bv1 32)))))))))) is different from false [2023-12-02 15:11:08,934 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse5 ((_ sign_extend 24) (_ bv1 8))) (.cse2 ((_ sign_extend 24) (_ bv0 8)))) (and (forall ((v_ArrVal_912 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 (store |c_#memory_int| c_~signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer~0.base v_ArrVal_912))) (or (not (= ((_ extract 7 0) (select (select .cse0 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.offset)) (_ bv0 8))) (forall ((v_ArrVal_915 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse1 (store (store .cse0 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base (store (select .cse0 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.offset .cse2)) c_~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.base v_ArrVal_915))) (or (= ((_ extract 7 0) (select (select .cse1 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.offset)) (_ bv0 8)) (= ((_ zero_extend 24) ((_ extract 7 0) (select (select .cse1 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.offset))) (_ bv1 32)))))))) (forall ((v_ArrVal_912 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse3 (store |c_#memory_int| c_~signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer~0.base v_ArrVal_912))) (or (= ((_ extract 7 0) (select (select .cse3 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.offset)) (_ bv0 8)) (forall ((v_ArrVal_915 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse4 (store (store .cse3 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base (store (select .cse3 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.offset .cse5)) c_~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.base v_ArrVal_915))) (or (= ((_ zero_extend 24) ((_ extract 7 0) (select (select .cse4 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.offset))) (_ bv1 32)) (= (_ bv0 8) ((_ extract 7 0) (select (select .cse4 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.offset))))))))) (forall ((v_ArrVal_912 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse6 (store |c_#memory_int| c_~signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer~0.base v_ArrVal_912))) (or (not (= ((_ extract 7 0) (select (select .cse6 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.offset)) (_ bv0 8))) (forall ((v_ArrVal_915 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse7 (store (store .cse6 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base (store (select .cse6 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.offset .cse2)) c_~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.base v_ArrVal_915))) (or (not (= ((_ zero_extend 24) ((_ extract 7 0) (select (select .cse7 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.offset))) (_ bv1 32))) (not (= ((_ extract 7 0) (select (select .cse7 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.offset)) (_ bv0 8))))))))) (forall ((v_ArrVal_912 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse8 (store |c_#memory_int| c_~signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer~0.base v_ArrVal_912))) (or (= ((_ extract 7 0) (select (select .cse8 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.offset)) (_ bv0 8)) (forall ((v_ArrVal_915 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse9 (store (store .cse8 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base (store (select .cse8 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.offset .cse5)) c_~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.base v_ArrVal_915))) (or (not (= ((_ zero_extend 24) ((_ extract 7 0) (select (select .cse9 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.offset))) (_ bv1 32))) (not (= (_ bv0 8) ((_ extract 7 0) (select (select .cse9 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.offset)))))))))) (forall ((v_ArrVal_912 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse10 (store |c_#memory_int| c_~signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer~0.base v_ArrVal_912))) (or (= ((_ extract 7 0) (select (select .cse10 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.offset)) (_ bv0 8)) (forall ((v_ArrVal_915 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse11 ((_ zero_extend 24) ((_ extract 7 0) (select (select (store (store .cse10 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base (store (select .cse10 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.offset .cse5)) c_~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.base v_ArrVal_915) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.offset))))) (or (= .cse11 (_ bv1 32)) (= .cse11 (_ bv0 32)))))))) (forall ((v_ArrVal_912 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse12 (store |c_#memory_int| c_~signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer~0.base v_ArrVal_912))) (or (not (= ((_ extract 7 0) (select (select .cse12 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.offset)) (_ bv0 8))) (forall ((v_ArrVal_915 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse13 ((_ zero_extend 24) ((_ extract 7 0) (select (select (store (store .cse12 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base (store (select .cse12 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.offset .cse2)) c_~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.base v_ArrVal_915) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.offset))))) (or (= .cse13 (_ bv0 32)) (= .cse13 (_ bv1 32)))))))))) is different from false [2023-12-02 15:11:10,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [126400835] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 15:11:10,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1642823152] [2023-12-02 15:11:10,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:11:10,153 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 15:11:10,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 15:11:10,154 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 15:11:10,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2023-12-02 15:11:12,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:11:13,012 INFO L262 TraceCheckSpWp]: Trace formula consists of 386 conjuncts, 27 conjunts are in the unsatisfiable core [2023-12-02 15:11:13,016 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:11:16,631 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 39 treesize of output 23 [2023-12-02 15:11:17,002 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 45 treesize of output 34 [2023-12-02 15:11:17,658 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 68 treesize of output 40 [2023-12-02 15:11:17,794 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2023-12-02 15:11:17,794 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 15:11:18,161 WARN L854 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_949 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 (store |c_#memory_int| c_~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.base v_ArrVal_949))) (or (= ((_ zero_extend 24) ((_ extract 7 0) (select (select .cse0 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.offset))) (_ bv1 32)) (= ((_ extract 7 0) (select (select .cse0 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.offset)) (_ bv0 8))))) (forall ((v_ArrVal_949 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse1 ((_ zero_extend 24) ((_ extract 7 0) (select (select (store |c_#memory_int| c_~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.base v_ArrVal_949) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.offset))))) (or (= .cse1 (_ bv1 32)) (= .cse1 (_ bv0 32))))) (forall ((v_ArrVal_949 (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_949))) (or (not (= ((_ zero_extend 24) ((_ extract 7 0) (select (select .cse2 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.offset))) (_ bv1 32))) (not (= ((_ extract 7 0) (select (select .cse2 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.offset)) (_ bv0 8))))))) is different from false [2023-12-02 15:11:18,407 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse4 (select |c_#memory_int| c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base))) (and (or |c_ULTIMATE.start_step_#t~short19#1| (let ((.cse1 (store |c_#memory_int| c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base (store .cse4 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.offset ((_ sign_extend 24) (_ bv0 8)))))) (and (forall ((v_ArrVal_949 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 (store .cse1 c_~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.base v_ArrVal_949))) (or (= ((_ extract 7 0) (select (select .cse0 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.offset)) (_ bv0 8)) (= (_ bv1 32) ((_ zero_extend 24) ((_ extract 7 0) (select (select .cse0 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.offset))))))) (forall ((v_ArrVal_949 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse2 (store .cse1 c_~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.base v_ArrVal_949))) (or (not (= ((_ extract 7 0) (select (select .cse2 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.offset)) (_ bv0 8))) (not (= (_ bv1 32) ((_ zero_extend 24) ((_ extract 7 0) (select (select .cse2 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.offset)))))))) (forall ((v_ArrVal_949 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse3 ((_ zero_extend 24) ((_ extract 7 0) (select (select (store .cse1 c_~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.base v_ArrVal_949) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.offset))))) (or (= (_ bv1 32) .cse3) (= (_ bv0 32) .cse3))))))) (or (let ((.cse6 (store |c_#memory_int| c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base (store .cse4 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.offset ((_ sign_extend 24) (_ bv1 8)))))) (and (forall ((v_ArrVal_949 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse5 (store .cse6 c_~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.base v_ArrVal_949))) (or (= ((_ zero_extend 24) ((_ extract 7 0) (select (select .cse5 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.offset))) (_ bv1 32)) (= ((_ extract 7 0) (select (select .cse5 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.offset)) (_ bv0 8))))) (forall ((v_ArrVal_949 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse7 ((_ zero_extend 24) ((_ extract 7 0) (select (select (store .cse6 c_~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.base v_ArrVal_949) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.offset))))) (or (= .cse7 (_ bv0 32)) (= .cse7 (_ bv1 32))))) (forall ((v_ArrVal_949 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse8 (store .cse6 c_~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.base v_ArrVal_949))) (or (not (= ((_ extract 7 0) (select (select .cse8 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.offset)) (_ bv0 8))) (not (= ((_ zero_extend 24) ((_ extract 7 0) (select (select .cse8 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.offset))) (_ bv1 32)))))))) (not |c_ULTIMATE.start_step_#t~short19#1|)))) is different from false [2023-12-02 15:11:18,503 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 15:11:19,264 INFO L349 Elim1Store]: treesize reduction 32, result has 63.2 percent of original size [2023-12-02 15:11:19,264 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 290 treesize of output 237 [2023-12-02 15:11:19,440 INFO L349 Elim1Store]: treesize reduction 12, result has 62.5 percent of original size [2023-12-02 15:11:19,440 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 275 treesize of output 269 [2023-12-02 15:11:19,489 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 15:11:19,489 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 226 treesize of output 231 [2023-12-02 15:11:19,505 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 222 treesize of output 218 [2023-12-02 15:11:19,547 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 15:11:19,548 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 218 treesize of output 223 [2023-12-02 15:11:19,594 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 15:11:19,595 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 333 treesize of output 323 [2023-12-02 15:11:19,645 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 15:11:19,645 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 282 treesize of output 287 [2023-12-02 15:11:19,671 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 278 treesize of output 274 [2023-12-02 15:11:19,721 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 15:11:19,721 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 274 treesize of output 279 [2023-12-02 15:11:20,061 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2023-12-02 15:11:20,076 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2023-12-02 15:11:20,125 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 15:11:20,126 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 19 treesize of output 23 [2023-12-02 15:11:20,156 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 15:11:20,156 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 28 treesize of output 32 [2023-12-02 15:11:20,745 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2023-12-02 15:11:20,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1642823152] provided 1 perfect and 1 imperfect interpolant sequences [2023-12-02 15:11:20,745 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2023-12-02 15:11:20,746 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [23, 25, 12] total 57 [2023-12-02 15:11:20,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66181441] [2023-12-02 15:11:20,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:11:20,746 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-02 15:11:20,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 15:11:20,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-02 15:11:20,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=337, Invalid=2663, Unknown=10, NotChecked=1150, Total=4160 [2023-12-02 15:11:20,749 INFO L87 Difference]: Start difference. First operand 321 states and 437 transitions. Second operand has 11 states, 11 states have (on average 5.818181818181818) internal successors, (64), 11 states have internal predecessors, (64), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-12-02 15:11:23,597 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:11:25,600 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:11:29,749 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:11:31,751 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:11:33,755 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:11:35,757 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:11:38,582 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:11:40,585 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:11:42,697 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:11:43,741 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:11:46,607 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:11:48,363 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:11:48,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:11:48,454 INFO L93 Difference]: Finished difference Result 630 states and 856 transitions. [2023-12-02 15:11:48,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-02 15:11:48,455 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.818181818181818) internal successors, (64), 11 states have internal predecessors, (64), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 176 [2023-12-02 15:11:48,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:11:48,457 INFO L225 Difference]: With dead ends: 630 [2023-12-02 15:11:48,457 INFO L226 Difference]: Without dead ends: 371 [2023-12-02 15:11:48,459 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 783 GetRequests, 706 SyntacticMatches, 2 SemanticMatches, 75 ConstructedPredicates, 10 IntricatePredicates, 0 DeprecatedPredicates, 1687 ImplicationChecksByTransitivity, 9.9s TimeCoverageRelationStatistics Valid=443, Invalid=4009, Unknown=10, NotChecked=1390, Total=5852 [2023-12-02 15:11:48,460 INFO L413 NwaCegarLoop]: 162 mSDtfsCounter, 291 mSDsluCounter, 704 mSDsCounter, 0 mSdLazyCounter, 441 mSolverCounterSat, 4 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 291 SdHoareTripleChecker+Valid, 866 SdHoareTripleChecker+Invalid, 943 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 441 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 488 IncrementalHoareTripleChecker+Unchecked, 26.1s IncrementalHoareTripleChecker+Time [2023-12-02 15:11:48,460 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [291 Valid, 866 Invalid, 943 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 441 Invalid, 10 Unknown, 488 Unchecked, 26.1s Time] [2023-12-02 15:11:48,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states. [2023-12-02 15:11:48,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 317. [2023-12-02 15:11:48,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 317 states, 267 states have (on average 1.2771535580524345) internal successors, (341), 267 states have internal predecessors, (341), 46 states have call successors, (46), 3 states have call predecessors, (46), 3 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2023-12-02 15:11:48,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 433 transitions. [2023-12-02 15:11:48,482 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 433 transitions. Word has length 176 [2023-12-02 15:11:48,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:11:48,483 INFO L495 AbstractCegarLoop]: Abstraction has 317 states and 433 transitions. [2023-12-02 15:11:48,483 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.818181818181818) internal successors, (64), 11 states have internal predecessors, (64), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-12-02 15:11:48,483 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 433 transitions. [2023-12-02 15:11:48,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2023-12-02 15:11:48,484 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:11:48,484 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:11:48,504 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2023-12-02 15:11:48,693 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (27)] Ended with exit code 0 [2023-12-02 15:11:48,891 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2023-12-02 15:11:49,084 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/mathsat -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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt [2023-12-02 15:11:49,085 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:11:49,085 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:11:49,085 INFO L85 PathProgramCache]: Analyzing trace with hash -1067424818, now seen corresponding path program 1 times [2023-12-02 15:11:49,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 15:11:49,086 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1676614291] [2023-12-02 15:11:49,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:11:49,086 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 15:11:49,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 15:11:49,087 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 15:11:49,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (30)] Waiting until timeout for monitored process [2023-12-02 15:11:49,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:11:49,756 INFO L262 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 37 conjunts are in the unsatisfiable core [2023-12-02 15:11:49,761 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:11:52,006 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 [2023-12-02 15:11:53,238 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 25 [2023-12-02 15:11:54,118 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 34 treesize of output 25 [2023-12-02 15:11:54,734 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 25 [2023-12-02 15:11:55,439 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 25 [2023-12-02 15:11:56,214 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 25 [2023-12-02 15:11:56,967 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 25 [2023-12-02 15:11:57,597 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 25 [2023-12-02 15:11:58,185 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 25 [2023-12-02 15:11:58,925 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 25 [2023-12-02 15:11:59,463 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 40 treesize of output 27 [2023-12-02 15:11:59,653 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 33 treesize of output 24 [2023-12-02 15:11:59,839 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 51 proven. 792 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2023-12-02 15:11:59,839 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 15:12:00,463 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_993 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_990 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_991 (_ BitVec 32))) (let ((.cse0 (store |c_#memory_int| c_~signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer~0.base v_ArrVal_990))) (or (= ((_ extract 7 0) (select (select (store (store .cse0 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base (store (select .cse0 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.offset v_ArrVal_991)) c_~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.base v_ArrVal_993) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer~0.offset)) (_ bv0 8)) (not (= ((_ extract 7 0) (select (select .cse0 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer~0.offset)) (_ bv0 8)))))) is different from false [2023-12-02 15:12:00,545 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 15:12:00,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1676614291] [2023-12-02 15:12:00,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1676614291] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 15:12:00,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2024440180] [2023-12-02 15:12:00,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:12:00,545 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 15:12:00,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 15:12:00,546 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 15:12:00,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2023-12-02 15:12:01,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:12:01,694 INFO L262 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-02 15:12:01,699 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:12:05,501 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 [2023-12-02 15:12:05,708 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 12 [2023-12-02 15:12:06,011 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2023-12-02 15:12:06,012 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 15:12:06,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2024440180] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:12:06,012 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-02 15:12:06,012 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [17] total 23 [2023-12-02 15:12:06,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2000703191] [2023-12-02 15:12:06,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:12:06,013 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-02 15:12:06,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 15:12:06,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-02 15:12:06,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=632, Unknown=41, NotChecked=54, Total=870 [2023-12-02 15:12:06,014 INFO L87 Difference]: Start difference. First operand 317 states and 433 transitions. Second operand has 8 states, 8 states have (on average 8.0) internal successors, (64), 7 states have internal predecessors, (64), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-12-02 15:12:08,604 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:12:10,608 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:12:12,610 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:12:15,277 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:12:17,281 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:12:18,960 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:12:20,595 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:12:20,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:12:20,887 INFO L93 Difference]: Finished difference Result 592 states and 806 transitions. [2023-12-02 15:12:20,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 15:12:20,888 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.0) internal successors, (64), 7 states have internal predecessors, (64), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 176 [2023-12-02 15:12:20,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:12:20,890 INFO L225 Difference]: With dead ends: 592 [2023-12-02 15:12:20,890 INFO L226 Difference]: Without dead ends: 337 [2023-12-02 15:12:20,891 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 386 GetRequests, 357 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 261 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=156, Invalid=677, Unknown=41, NotChecked=56, Total=930 [2023-12-02 15:12:20,891 INFO L413 NwaCegarLoop]: 167 mSDtfsCounter, 217 mSDsluCounter, 151 mSDsCounter, 0 mSdLazyCounter, 316 mSolverCounterSat, 7 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 217 SdHoareTripleChecker+Valid, 318 SdHoareTripleChecker+Invalid, 328 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 316 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.8s IncrementalHoareTripleChecker+Time [2023-12-02 15:12:20,891 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [217 Valid, 318 Invalid, 328 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 316 Invalid, 5 Unknown, 0 Unchecked, 14.8s Time] [2023-12-02 15:12:20,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2023-12-02 15:12:20,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 285. [2023-12-02 15:12:20,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 285 states, 235 states have (on average 1.2723404255319148) internal successors, (299), 235 states have internal predecessors, (299), 46 states have call successors, (46), 3 states have call predecessors, (46), 3 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2023-12-02 15:12:20,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 391 transitions. [2023-12-02 15:12:20,911 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 391 transitions. Word has length 176 [2023-12-02 15:12:20,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:12:20,912 INFO L495 AbstractCegarLoop]: Abstraction has 285 states and 391 transitions. [2023-12-02 15:12:20,912 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.0) internal successors, (64), 7 states have internal predecessors, (64), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-12-02 15:12:20,912 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 391 transitions. [2023-12-02 15:12:20,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2023-12-02 15:12:20,913 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:12:20,913 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:12:20,920 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2023-12-02 15:12:21,122 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (30)] Ended with exit code 0 [2023-12-02 15:12:21,313 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt,30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 15:12:21,314 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:12:21,314 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:12:21,314 INFO L85 PathProgramCache]: Analyzing trace with hash -1212142974, now seen corresponding path program 1 times [2023-12-02 15:12:21,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 15:12:21,315 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1149704798] [2023-12-02 15:12:21,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:12:21,315 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 15:12:21,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 15:12:21,316 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 15:12:21,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (32)] Waiting until timeout for monitored process [2023-12-02 15:12:21,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:12:21,729 INFO L262 TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 15:12:21,731 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:12:21,764 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2023-12-02 15:12:21,764 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 15:12:21,765 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 15:12:21,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1149704798] [2023-12-02 15:12:21,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1149704798] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:12:21,765 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:12:21,765 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 15:12:21,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283502234] [2023-12-02 15:12:21,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:12:21,766 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 15:12:21,766 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 15:12:21,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 15:12:21,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-02 15:12:21,766 INFO L87 Difference]: Start difference. First operand 285 states and 391 transitions. Second operand has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-12-02 15:12:22,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:12:22,251 INFO L93 Difference]: Finished difference Result 514 states and 704 transitions. [2023-12-02 15:12:22,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 15:12:22,252 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 177 [2023-12-02 15:12:22,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:12:22,254 INFO L225 Difference]: With dead ends: 514 [2023-12-02 15:12:22,254 INFO L226 Difference]: Without dead ends: 291 [2023-12-02 15:12:22,255 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-12-02 15:12:22,255 INFO L413 NwaCegarLoop]: 148 mSDtfsCounter, 24 mSDsluCounter, 427 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 575 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-02 15:12:22,255 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 575 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-02 15:12:22,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2023-12-02 15:12:22,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 288. [2023-12-02 15:12:22,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 238 states have (on average 1.26890756302521) internal successors, (302), 238 states have internal predecessors, (302), 46 states have call successors, (46), 3 states have call predecessors, (46), 3 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2023-12-02 15:12:22,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 394 transitions. [2023-12-02 15:12:22,278 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 394 transitions. Word has length 177 [2023-12-02 15:12:22,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:12:22,278 INFO L495 AbstractCegarLoop]: Abstraction has 288 states and 394 transitions. [2023-12-02 15:12:22,278 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-12-02 15:12:22,278 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 394 transitions. [2023-12-02 15:12:22,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2023-12-02 15:12:22,279 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:12:22,279 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:12:22,289 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (32)] Ended with exit code 0 [2023-12-02 15:12:22,479 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 15:12:22,479 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:12:22,480 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:12:22,480 INFO L85 PathProgramCache]: Analyzing trace with hash -1267769433, now seen corresponding path program 1 times [2023-12-02 15:12:22,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 15:12:22,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1653257092] [2023-12-02 15:12:22,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:12:22,480 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 15:12:22,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 15:12:22,481 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 15:12:22,482 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (33)] Waiting until timeout for monitored process [2023-12-02 15:12:23,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:12:23,396 INFO L262 TraceCheckSpWp]: Trace formula consists of 381 conjuncts, 34 conjunts are in the unsatisfiable core [2023-12-02 15:12:23,400 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:12:27,118 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-12-02 15:12:28,071 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 27 treesize of output 20 [2023-12-02 15:12:28,554 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 27 treesize of output 20 [2023-12-02 15:12:29,026 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 27 treesize of output 20 [2023-12-02 15:12:29,565 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 36 treesize of output 27 [2023-12-02 15:12:29,887 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 [2023-12-02 15:12:30,658 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 [2023-12-02 15:12:30,792 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 49 proven. 500 refuted. 0 times theorem prover too weak. 463 trivial. 0 not checked. [2023-12-02 15:12:30,792 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 15:12:31,308 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 15:12:31,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1653257092] [2023-12-02 15:12:31,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1653257092] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 15:12:31,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [146108990] [2023-12-02 15:12:31,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:12:31,309 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 15:12:31,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 15:12:31,310 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 15:12:31,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2023-12-02 15:12:32,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:12:33,022 INFO L262 TraceCheckSpWp]: Trace formula consists of 381 conjuncts, 27 conjunts are in the unsatisfiable core [2023-12-02 15:12:33,027 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:12:36,558 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-02 15:12:36,956 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-12-02 15:12:37,285 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-12-02 15:12:37,579 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-12-02 15:12:37,939 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 [2023-12-02 15:12:38,197 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 22 treesize of output 15 [2023-12-02 15:12:38,723 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 54 treesize of output 30 [2023-12-02 15:12:38,739 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 528 refuted. 0 times theorem prover too weak. 484 trivial. 0 not checked. [2023-12-02 15:12:38,739 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 15:12:38,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [146108990] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 15:12:38,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1753275013] [2023-12-02 15:12:38,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:12:38,997 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 15:12:38,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 15:12:38,998 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 15:12:38,999 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2023-12-02 15:12:51,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:12:51,714 INFO L262 TraceCheckSpWp]: Trace formula consists of 381 conjuncts, 41 conjunts are in the unsatisfiable core [2023-12-02 15:12:51,719 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:12:55,319 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 [2023-12-02 15:12:57,090 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 35 treesize of output 26 [2023-12-02 15:12:57,585 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 35 treesize of output 26 [2023-12-02 15:12:58,085 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 35 treesize of output 26 [2023-12-02 15:12:58,734 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 31 [2023-12-02 15:12:59,159 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 27 treesize of output 20 [2023-12-02 15:13:00,725 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 69 treesize of output 41 [2023-12-02 15:13:00,746 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 64 proven. 500 refuted. 0 times theorem prover too weak. 448 trivial. 0 not checked. [2023-12-02 15:13:00,747 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 15:13:01,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1753275013] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 15:13:01,842 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 15:13:01,842 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 9, 22] total 38 [2023-12-02 15:13:01,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192697795] [2023-12-02 15:13:01,843 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 15:13:01,843 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2023-12-02 15:13:01,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 15:13:01,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2023-12-02 15:13:01,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=331, Invalid=2091, Unknown=28, NotChecked=0, Total=2450 [2023-12-02 15:13:01,846 INFO L87 Difference]: Start difference. First operand 288 states and 394 transitions. Second operand has 39 states, 35 states have (on average 5.114285714285714) internal successors, (179), 33 states have internal predecessors, (179), 11 states have call successors, (39), 10 states have call predecessors, (39), 11 states have return successors, (39), 9 states have call predecessors, (39), 11 states have call successors, (39) [2023-12-02 15:13:08,071 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 15:13:11,069 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 15:13:12,664 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 15:13:18,196 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 15:13:20,201 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 15:13:23,498 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 15:13:26,191 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 15:13:31,694 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:13:33,699 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:13:35,703 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 15:13:37,251 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 15:13:39,893 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 15:13:40,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:13:40,630 INFO L93 Difference]: Finished difference Result 668 states and 849 transitions. [2023-12-02 15:13:40,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-12-02 15:13:40,631 INFO L78 Accepts]: Start accepts. Automaton has has 39 states, 35 states have (on average 5.114285714285714) internal successors, (179), 33 states have internal predecessors, (179), 11 states have call successors, (39), 10 states have call predecessors, (39), 11 states have return successors, (39), 9 states have call predecessors, (39), 11 states have call successors, (39) Word has length 179 [2023-12-02 15:13:40,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:13:40,634 INFO L225 Difference]: With dead ends: 668 [2023-12-02 15:13:40,634 INFO L226 Difference]: Without dead ends: 666 [2023-12-02 15:13:40,637 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 681 GetRequests, 599 SyntacticMatches, 1 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2056 ImplicationChecksByTransitivity, 8.5s TimeCoverageRelationStatistics Valid=1071, Invalid=5707, Unknown=28, NotChecked=0, Total=6806 [2023-12-02 15:13:40,637 INFO L413 NwaCegarLoop]: 72 mSDtfsCounter, 1352 mSDsluCounter, 1121 mSDsCounter, 0 mSdLazyCounter, 2325 mSolverCounterSat, 122 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1363 SdHoareTripleChecker+Valid, 1193 SdHoareTripleChecker+Invalid, 2455 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 122 IncrementalHoareTripleChecker+Valid, 2325 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.5s IncrementalHoareTripleChecker+Time [2023-12-02 15:13:40,637 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1363 Valid, 1193 Invalid, 2455 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [122 Valid, 2325 Invalid, 8 Unknown, 0 Unchecked, 34.5s Time] [2023-12-02 15:13:40,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 666 states. [2023-12-02 15:13:40,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 666 to 566. [2023-12-02 15:13:40,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 566 states, 500 states have (on average 1.238) internal successors, (619), 501 states have internal predecessors, (619), 56 states have call successors, (56), 9 states have call predecessors, (56), 9 states have return successors, (56), 55 states have call predecessors, (56), 56 states have call successors, (56) [2023-12-02 15:13:40,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 566 states and 731 transitions. [2023-12-02 15:13:40,714 INFO L78 Accepts]: Start accepts. Automaton has 566 states and 731 transitions. Word has length 179 [2023-12-02 15:13:40,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:13:40,714 INFO L495 AbstractCegarLoop]: Abstraction has 566 states and 731 transitions. [2023-12-02 15:13:40,714 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 35 states have (on average 5.114285714285714) internal successors, (179), 33 states have internal predecessors, (179), 11 states have call successors, (39), 10 states have call predecessors, (39), 11 states have return successors, (39), 9 states have call predecessors, (39), 11 states have call successors, (39) [2023-12-02 15:13:40,715 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 731 transitions. [2023-12-02 15:13:40,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2023-12-02 15:13:40,716 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:13:40,716 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:13:40,732 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (33)] Ended with exit code 0 [2023-12-02 15:13:40,947 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Ended with exit code 0 [2023-12-02 15:13:41,125 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2023-12-02 15:13:41,317 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,35 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,34 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt [2023-12-02 15:13:41,317 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:13:41,318 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:13:41,318 INFO L85 PathProgramCache]: Analyzing trace with hash 783214565, now seen corresponding path program 1 times [2023-12-02 15:13:41,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 15:13:41,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [76559158] [2023-12-02 15:13:41,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:13:41,318 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 15:13:41,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 15:13:41,319 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 15:13:41,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95e67257-2a97-477e-8166-7c17ae948674/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (36)] Waiting until timeout for monitored process