./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-53.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_3eec7844-1c2e-481f-b0f9-7dcf0ae0b1fa/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eec7844-1c2e-481f-b0f9-7dcf0ae0b1fa/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_3eec7844-1c2e-481f-b0f9-7dcf0ae0b1fa/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eec7844-1c2e-481f-b0f9-7dcf0ae0b1fa/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-53.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eec7844-1c2e-481f-b0f9-7dcf0ae0b1fa/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_3eec7844-1c2e-481f-b0f9-7dcf0ae0b1fa/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 be2e40f79fa9aafe544dbfb6b1d1f051df435db5ea0b560bd0fc960acf5ae062 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 15:12:27,035 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 15:12:27,102 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eec7844-1c2e-481f-b0f9-7dcf0ae0b1fa/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-12-02 15:12:27,106 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 15:12:27,107 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 15:12:27,129 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 15:12:27,129 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 15:12:27,130 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 15:12:27,131 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 15:12:27,131 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 15:12:27,132 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 15:12:27,132 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 15:12:27,133 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 15:12:27,133 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 15:12:27,134 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 15:12:27,134 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 15:12:27,135 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 15:12:27,135 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 15:12:27,136 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 15:12:27,136 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 15:12:27,137 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 15:12:27,138 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 15:12:27,138 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 15:12:27,139 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 15:12:27,139 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 15:12:27,140 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 15:12:27,140 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 15:12:27,141 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 15:12:27,141 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 15:12:27,141 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 15:12:27,142 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 15:12:27,142 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 15:12:27,142 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 15:12:27,143 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 15:12:27,143 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 15:12:27,143 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 15:12:27,143 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 15:12:27,144 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 15:12:27,144 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 15:12:27,144 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 15:12:27,144 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 15:12:27,145 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 15:12:27,145 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 15:12:27,145 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 15:12:27,145 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 15:12:27,145 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 15:12:27,146 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 15:12:27,146 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_3eec7844-1c2e-481f-b0f9-7dcf0ae0b1fa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eec7844-1c2e-481f-b0f9-7dcf0ae0b1fa/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> be2e40f79fa9aafe544dbfb6b1d1f051df435db5ea0b560bd0fc960acf5ae062 [2023-12-02 15:12:27,353 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 15:12:27,374 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 15:12:27,376 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 15:12:27,378 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 15:12:27,378 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 15:12:27,379 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eec7844-1c2e-481f-b0f9-7dcf0ae0b1fa/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-53.i [2023-12-02 15:12:30,077 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 15:12:30,296 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 15:12:30,296 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eec7844-1c2e-481f-b0f9-7dcf0ae0b1fa/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-53.i [2023-12-02 15:12:30,305 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eec7844-1c2e-481f-b0f9-7dcf0ae0b1fa/bin/utaipan-verify-nQ1chXbOIh/data/18dc0dfe6/20dbc405bd5e4f47af787678b30a66fc/FLAG5a1a7534a [2023-12-02 15:12:30,317 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eec7844-1c2e-481f-b0f9-7dcf0ae0b1fa/bin/utaipan-verify-nQ1chXbOIh/data/18dc0dfe6/20dbc405bd5e4f47af787678b30a66fc [2023-12-02 15:12:30,320 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 15:12:30,321 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 15:12:30,322 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 15:12:30,323 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 15:12:30,327 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 15:12:30,328 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:12:30" (1/1) ... [2023-12-02 15:12:30,329 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2507f1c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:12:30, skipping insertion in model container [2023-12-02 15:12:30,329 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:12:30" (1/1) ... [2023-12-02 15:12:30,363 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 15:12:30,485 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_3eec7844-1c2e-481f-b0f9-7dcf0ae0b1fa/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-53.i[919,932] [2023-12-02 15:12:30,550 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 15:12:30,560 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 15:12:30,570 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_3eec7844-1c2e-481f-b0f9-7dcf0ae0b1fa/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-53.i[919,932] [2023-12-02 15:12:30,606 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 15:12:30,625 INFO L206 MainTranslator]: Completed translation [2023-12-02 15:12:30,625 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:12:30 WrapperNode [2023-12-02 15:12:30,625 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 15:12:30,626 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 15:12:30,626 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 15:12:30,627 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 15:12:30,634 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:12:30" (1/1) ... [2023-12-02 15:12:30,648 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:12:30" (1/1) ... [2023-12-02 15:12:30,685 INFO L138 Inliner]: procedures = 26, calls = 44, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 248 [2023-12-02 15:12:30,686 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 15:12:30,686 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 15:12:30,686 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 15:12:30,686 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 15:12:30,693 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:12:30" (1/1) ... [2023-12-02 15:12:30,694 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:12:30" (1/1) ... [2023-12-02 15:12:30,697 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:12:30" (1/1) ... [2023-12-02 15:12:30,697 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:12:30" (1/1) ... [2023-12-02 15:12:30,714 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:12:30" (1/1) ... [2023-12-02 15:12:30,719 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:12:30" (1/1) ... [2023-12-02 15:12:30,724 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:12:30" (1/1) ... [2023-12-02 15:12:30,727 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:12:30" (1/1) ... [2023-12-02 15:12:30,734 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 15:12:30,735 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 15:12:30,735 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 15:12:30,735 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 15:12:30,736 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:12:30" (1/1) ... [2023-12-02 15:12:30,742 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 15:12:30,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eec7844-1c2e-481f-b0f9-7dcf0ae0b1fa/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 15:12:30,773 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eec7844-1c2e-481f-b0f9-7dcf0ae0b1fa/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 15:12:30,777 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eec7844-1c2e-481f-b0f9-7dcf0ae0b1fa/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 15:12:30,805 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 15:12:30,805 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 15:12:30,805 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 15:12:30,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 15:12:30,805 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 15:12:30,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 15:12:30,897 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 15:12:30,900 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 15:12:31,282 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 15:12:31,684 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 15:12:31,684 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 15:12:31,686 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:12:31 BoogieIcfgContainer [2023-12-02 15:12:31,686 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 15:12:31,688 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 15:12:31,689 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 15:12:31,692 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 15:12:31,692 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:12:30" (1/3) ... [2023-12-02 15:12:31,693 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53f26cb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:12:31, skipping insertion in model container [2023-12-02 15:12:31,693 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:12:30" (2/3) ... [2023-12-02 15:12:31,693 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53f26cb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:12:31, skipping insertion in model container [2023-12-02 15:12:31,693 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:12:31" (3/3) ... [2023-12-02 15:12:31,694 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-co_file-53.i [2023-12-02 15:12:31,713 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 15:12:31,713 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 15:12:31,761 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 15:12:31,768 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;@27fe1bcd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 15:12:31,768 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 15:12:31,772 INFO L276 IsEmpty]: Start isEmpty. Operand has 57 states, 23 states have (on average 1.1304347826086956) internal successors, (26), 24 states have internal predecessors, (26), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2023-12-02 15:12:31,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-12-02 15:12:31,783 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:12:31,783 INFO L195 NwaCegarLoop]: trace histogram [31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:12:31,784 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:12:31,788 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:12:31,788 INFO L85 PathProgramCache]: Analyzing trace with hash 227294561, now seen corresponding path program 1 times [2023-12-02 15:12:31,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:12:31,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1534093487] [2023-12-02 15:12:31,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:12:31,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:12:31,991 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 15:12:31,992 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2056367512] [2023-12-02 15:12:31,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:12:31,992 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 15:12:31,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eec7844-1c2e-481f-b0f9-7dcf0ae0b1fa/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 15:12:31,994 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eec7844-1c2e-481f-b0f9-7dcf0ae0b1fa/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 15:12:32,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eec7844-1c2e-481f-b0f9-7dcf0ae0b1fa/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 15:12:33,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 15:12:33,004 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 15:12:33,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 15:12:33,389 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-12-02 15:12:33,392 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 15:12:33,393 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-02 15:12:33,405 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eec7844-1c2e-481f-b0f9-7dcf0ae0b1fa/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-02 15:12:33,595 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eec7844-1c2e-481f-b0f9-7dcf0ae0b1fa/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-12-02 15:12:33,599 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-12-02 15:12:33,602 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 15:12:33,718 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 03:12:33 BoogieIcfgContainer [2023-12-02 15:12:33,718 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 15:12:33,718 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 15:12:33,719 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 15:12:33,719 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 15:12:33,719 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:12:31" (3/4) ... [2023-12-02 15:12:33,721 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 15:12:33,722 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 15:12:33,723 INFO L158 Benchmark]: Toolchain (without parser) took 3401.95ms. Allocated memory was 151.0MB in the beginning and 197.1MB in the end (delta: 46.1MB). Free memory was 118.9MB in the beginning and 115.8MB in the end (delta: 3.2MB). Peak memory consumption was 52.2MB. Max. memory is 16.1GB. [2023-12-02 15:12:33,724 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 109.1MB. Free memory is still 63.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 15:12:33,724 INFO L158 Benchmark]: CACSL2BoogieTranslator took 303.17ms. Allocated memory is still 151.0MB. Free memory was 118.7MB in the beginning and 102.9MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-02 15:12:33,725 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.49ms. Allocated memory is still 151.0MB. Free memory was 102.3MB in the beginning and 98.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 15:12:33,726 INFO L158 Benchmark]: Boogie Preprocessor took 47.93ms. Allocated memory is still 151.0MB. Free memory was 98.1MB in the beginning and 95.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 15:12:33,726 INFO L158 Benchmark]: RCFGBuilder took 951.02ms. Allocated memory is still 151.0MB. Free memory was 95.6MB in the beginning and 67.9MB in the end (delta: 27.8MB). Peak memory consumption was 42.8MB. Max. memory is 16.1GB. [2023-12-02 15:12:33,727 INFO L158 Benchmark]: TraceAbstraction took 2029.52ms. Allocated memory was 151.0MB in the beginning and 197.1MB in the end (delta: 46.1MB). Free memory was 67.6MB in the beginning and 115.8MB in the end (delta: -48.2MB). Peak memory consumption was 1.1MB. Max. memory is 16.1GB. [2023-12-02 15:12:33,728 INFO L158 Benchmark]: Witness Printer took 3.86ms. Allocated memory is still 197.1MB. Free memory is still 115.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 15:12:33,731 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 109.1MB. Free memory is still 63.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 303.17ms. Allocated memory is still 151.0MB. Free memory was 118.7MB in the beginning and 102.9MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.49ms. Allocated memory is still 151.0MB. Free memory was 102.3MB in the beginning and 98.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.93ms. Allocated memory is still 151.0MB. Free memory was 98.1MB in the beginning and 95.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 951.02ms. Allocated memory is still 151.0MB. Free memory was 95.6MB in the beginning and 67.9MB in the end (delta: 27.8MB). Peak memory consumption was 42.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2029.52ms. Allocated memory was 151.0MB in the beginning and 197.1MB in the end (delta: 46.1MB). Free memory was 67.6MB in the beginning and 115.8MB in the end (delta: -48.2MB). Peak memory consumption was 1.1MB. Max. memory is 16.1GB. * Witness Printer took 3.86ms. Allocated memory is still 197.1MB. Free memory is still 115.8MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 65, overapproximation of shiftLeft at line 111, overapproximation of bitwiseAnd at line 131, overapproximation of someBinaryArithmeticFLOAToperation at line 81, overapproximation of someUnaryFLOAToperation at line 117. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 0; [L23] unsigned char var_1_8 = 0; [L24] unsigned long int var_1_9 = 10; [L25] float var_1_10 = 99.5; [L26] float var_1_11 = 5.6; [L27] float var_1_12 = 255.5; [L28] float var_1_13 = 31.25; [L29] signed short int var_1_14 = 32; [L30] unsigned long int var_1_15 = 16; [L31] unsigned char var_1_16 = 1; [L32] unsigned char var_1_17 = 5; [L33] unsigned char var_1_18 = 50; [L34] unsigned char var_1_19 = 50; [L35] signed char var_1_20 = 1; [L36] signed char var_1_21 = -10; [L37] float var_1_22 = 0.5; [L38] signed char var_1_23 = 100; [L39] signed short int var_1_24 = 2; [L40] unsigned short int var_1_31 = 8; [L41] unsigned char var_1_32 = 64; [L42] unsigned char var_1_33 = 1; [L43] unsigned char var_1_34 = 0; [L44] float var_1_35 = 32.4; [L45] float var_1_36 = 8.5; [L46] float var_1_37 = 7.5; [L47] float var_1_38 = 3.2; [L48] unsigned char var_1_39 = 16; [L49] unsigned char var_1_40 = 5; [L50] signed short int var_1_41 = -2; [L51] unsigned char var_1_42 = 10; [L52] unsigned char var_1_43 = 4; [L53] unsigned char var_1_44 = 64; [L54] signed long int var_1_45 = -25; [L55] unsigned char last_1_var_1_1 = 0; [L56] unsigned long int last_1_var_1_9 = 10; [L57] signed short int last_1_var_1_14 = 32; [L58] unsigned char last_1_var_1_16 = 1; [L59] signed char last_1_var_1_20 = 1; [L207] isInitial = 1 [L208] FCALL initially() [L209] COND TRUE 1 [L210] CALL updateLastVariables() [L196] last_1_var_1_1 = var_1_1 [L197] last_1_var_1_9 = var_1_9 [L198] last_1_var_1_14 = var_1_14 [L199] last_1_var_1_16 = var_1_16 [L200] last_1_var_1_20 = var_1_20 [L210] RET updateLastVariables() [L211] CALL updateVariables() [L146] var_1_8 = __VERIFIER_nondet_uchar() [L147] CALL assume_abort_if_not(var_1_8 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=28/5, var_1_12=511/2, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=64, var_1_33=1, var_1_34=0, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_38=16/5, var_1_39=16, var_1_40=5, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L147] RET assume_abort_if_not(var_1_8 >= 1) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=28/5, var_1_12=511/2, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=64, var_1_33=1, var_1_34=0, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_38=16/5, var_1_39=16, var_1_40=5, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L148] CALL assume_abort_if_not(var_1_8 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=28/5, var_1_12=511/2, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=64, var_1_33=1, var_1_34=0, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_38=16/5, var_1_39=16, var_1_40=5, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L148] RET assume_abort_if_not(var_1_8 <= 1) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=28/5, var_1_12=511/2, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=64, var_1_33=1, var_1_34=0, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_38=16/5, var_1_39=16, var_1_40=5, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L149] var_1_11 = __VERIFIER_nondet_float() [L150] CALL assume_abort_if_not((var_1_11 >= -461168.6018427382800e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_12=511/2, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=64, var_1_33=1, var_1_34=0, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_38=16/5, var_1_39=16, var_1_40=5, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L150] RET assume_abort_if_not((var_1_11 >= -461168.6018427382800e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_12=511/2, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=64, var_1_33=1, var_1_34=0, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_38=16/5, var_1_39=16, var_1_40=5, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L151] var_1_12 = __VERIFIER_nondet_float() [L152] CALL assume_abort_if_not((var_1_12 >= -461168.6018427382800e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 4611686.018427382800e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=64, var_1_33=1, var_1_34=0, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_38=16/5, var_1_39=16, var_1_40=5, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L152] RET assume_abort_if_not((var_1_12 >= -461168.6018427382800e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 4611686.018427382800e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=64, var_1_33=1, var_1_34=0, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_38=16/5, var_1_39=16, var_1_40=5, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L153] var_1_13 = __VERIFIER_nondet_float() [L154] CALL assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=64, var_1_33=1, var_1_34=0, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_38=16/5, var_1_39=16, var_1_40=5, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L154] RET assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=64, var_1_33=1, var_1_34=0, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_38=16/5, var_1_39=16, var_1_40=5, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L155] var_1_15 = __VERIFIER_nondet_ulong() [L156] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=64, var_1_33=1, var_1_34=0, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_38=16/5, var_1_39=16, var_1_40=5, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L156] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=64, var_1_33=1, var_1_34=0, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_38=16/5, var_1_39=16, var_1_40=5, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L157] CALL assume_abort_if_not(var_1_15 <= 4294967295) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=64, var_1_33=1, var_1_34=0, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_38=16/5, var_1_39=16, var_1_40=5, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not(var_1_15 <= 4294967295) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=64, var_1_33=1, var_1_34=0, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_38=16/5, var_1_39=16, var_1_40=5, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L158] CALL assume_abort_if_not(var_1_15 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=5, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=64, var_1_33=1, var_1_34=0, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_38=16/5, var_1_39=16, var_1_40=5, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L158] RET assume_abort_if_not(var_1_15 != 0) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=5, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=64, var_1_33=1, var_1_34=0, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_38=16/5, var_1_39=16, var_1_40=5, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L159] var_1_17 = __VERIFIER_nondet_uchar() [L160] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=5, var_1_16=1, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=64, var_1_33=1, var_1_34=0, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_38=16/5, var_1_39=16, var_1_40=5, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=5, var_1_16=1, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=64, var_1_33=1, var_1_34=0, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_38=16/5, var_1_39=16, var_1_40=5, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L161] CALL assume_abort_if_not(var_1_17 <= 255) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=5, var_1_16=1, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=64, var_1_33=1, var_1_34=0, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_38=16/5, var_1_39=16, var_1_40=5, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L161] RET assume_abort_if_not(var_1_17 <= 255) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=5, var_1_16=1, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=64, var_1_33=1, var_1_34=0, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_38=16/5, var_1_39=16, var_1_40=5, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L162] CALL assume_abort_if_not(var_1_17 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=5, var_1_16=1, var_1_17=11, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=64, var_1_33=1, var_1_34=0, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_38=16/5, var_1_39=16, var_1_40=5, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L162] RET assume_abort_if_not(var_1_17 != 0) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=5, var_1_16=1, var_1_17=11, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=64, var_1_33=1, var_1_34=0, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_38=16/5, var_1_39=16, var_1_40=5, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L163] var_1_18 = __VERIFIER_nondet_uchar() [L164] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=5, var_1_16=1, var_1_17=11, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=64, var_1_33=1, var_1_34=0, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_38=16/5, var_1_39=16, var_1_40=5, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L164] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=5, var_1_16=1, var_1_17=11, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=64, var_1_33=1, var_1_34=0, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_38=16/5, var_1_39=16, var_1_40=5, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L165] CALL assume_abort_if_not(var_1_18 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=5, var_1_16=1, var_1_17=11, var_1_18=30, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=64, var_1_33=1, var_1_34=0, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_38=16/5, var_1_39=16, var_1_40=5, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L165] RET assume_abort_if_not(var_1_18 <= 254) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=5, var_1_16=1, var_1_17=11, var_1_18=30, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=64, var_1_33=1, var_1_34=0, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_38=16/5, var_1_39=16, var_1_40=5, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L166] var_1_19 = __VERIFIER_nondet_uchar() [L167] CALL assume_abort_if_not(var_1_19 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=5, var_1_16=1, var_1_17=11, var_1_18=30, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=64, var_1_33=1, var_1_34=0, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_38=16/5, var_1_39=16, var_1_40=5, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L167] RET assume_abort_if_not(var_1_19 >= 0) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=5, var_1_16=1, var_1_17=11, var_1_18=30, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=64, var_1_33=1, var_1_34=0, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_38=16/5, var_1_39=16, var_1_40=5, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L168] CALL assume_abort_if_not(var_1_19 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=5, var_1_16=1, var_1_17=11, var_1_18=30, var_1_19=30, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=64, var_1_33=1, var_1_34=0, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_38=16/5, var_1_39=16, var_1_40=5, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L168] RET assume_abort_if_not(var_1_19 <= 254) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=5, var_1_16=1, var_1_17=11, var_1_18=30, var_1_19=30, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=64, var_1_33=1, var_1_34=0, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_38=16/5, var_1_39=16, var_1_40=5, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L169] var_1_21 = __VERIFIER_nondet_char() [L170] CALL assume_abort_if_not(var_1_21 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=5, var_1_16=1, var_1_17=11, var_1_18=30, var_1_19=30, var_1_1=0, var_1_20=1, var_1_21=7, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=64, var_1_33=1, var_1_34=0, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_38=16/5, var_1_39=16, var_1_40=5, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L170] RET assume_abort_if_not(var_1_21 >= -127) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=5, var_1_16=1, var_1_17=11, var_1_18=30, var_1_19=30, var_1_1=0, var_1_20=1, var_1_21=7, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=64, var_1_33=1, var_1_34=0, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_38=16/5, var_1_39=16, var_1_40=5, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L171] CALL assume_abort_if_not(var_1_21 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=5, var_1_16=1, var_1_17=11, var_1_18=30, var_1_19=30, var_1_1=0, var_1_20=1, var_1_21=7, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=64, var_1_33=1, var_1_34=0, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_38=16/5, var_1_39=16, var_1_40=5, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L171] RET assume_abort_if_not(var_1_21 <= 126) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=5, var_1_16=1, var_1_17=11, var_1_18=30, var_1_19=30, var_1_1=0, var_1_20=1, var_1_21=7, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=64, var_1_33=1, var_1_34=0, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_38=16/5, var_1_39=16, var_1_40=5, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L172] var_1_32 = __VERIFIER_nondet_uchar() [L173] CALL assume_abort_if_not(var_1_32 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=5, var_1_16=1, var_1_17=11, var_1_18=30, var_1_19=30, var_1_1=0, var_1_20=1, var_1_21=7, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_33=1, var_1_34=0, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_38=16/5, var_1_39=16, var_1_40=5, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L173] RET assume_abort_if_not(var_1_32 >= 0) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=5, var_1_16=1, var_1_17=11, var_1_18=30, var_1_19=30, var_1_1=0, var_1_20=1, var_1_21=7, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_33=1, var_1_34=0, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_38=16/5, var_1_39=16, var_1_40=5, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L174] CALL assume_abort_if_not(var_1_32 <= 255) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=5, var_1_16=1, var_1_17=11, var_1_18=30, var_1_19=30, var_1_1=0, var_1_20=1, var_1_21=7, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_33=1, var_1_34=0, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_38=16/5, var_1_39=16, var_1_40=5, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L174] RET assume_abort_if_not(var_1_32 <= 255) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=5, var_1_16=1, var_1_17=11, var_1_18=30, var_1_19=30, var_1_1=0, var_1_20=1, var_1_21=7, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_33=1, var_1_34=0, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_38=16/5, var_1_39=16, var_1_40=5, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L175] CALL assume_abort_if_not(var_1_32 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=5, var_1_16=1, var_1_17=11, var_1_18=30, var_1_19=30, var_1_1=0, var_1_20=1, var_1_21=7, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=2, var_1_33=1, var_1_34=0, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_38=16/5, var_1_39=16, var_1_40=5, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L175] RET assume_abort_if_not(var_1_32 != 0) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=5, var_1_16=1, var_1_17=11, var_1_18=30, var_1_19=30, var_1_1=0, var_1_20=1, var_1_21=7, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=2, var_1_33=1, var_1_34=0, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_38=16/5, var_1_39=16, var_1_40=5, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L176] var_1_34 = __VERIFIER_nondet_uchar() [L177] CALL assume_abort_if_not(var_1_34 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=5, var_1_16=1, var_1_17=11, var_1_18=30, var_1_19=30, var_1_1=0, var_1_20=1, var_1_21=7, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=2, var_1_33=1, var_1_34=1, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_38=16/5, var_1_39=16, var_1_40=5, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L177] RET assume_abort_if_not(var_1_34 >= 1) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=5, var_1_16=1, var_1_17=11, var_1_18=30, var_1_19=30, var_1_1=0, var_1_20=1, var_1_21=7, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=2, var_1_33=1, var_1_34=1, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_38=16/5, var_1_39=16, var_1_40=5, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L178] CALL assume_abort_if_not(var_1_34 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=5, var_1_16=1, var_1_17=11, var_1_18=30, var_1_19=30, var_1_1=0, var_1_20=1, var_1_21=7, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=2, var_1_33=1, var_1_34=1, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_38=16/5, var_1_39=16, var_1_40=5, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L178] RET assume_abort_if_not(var_1_34 <= 1) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=5, var_1_16=1, var_1_17=11, var_1_18=30, var_1_19=30, var_1_1=0, var_1_20=1, var_1_21=7, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=2, var_1_33=1, var_1_34=1, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_38=16/5, var_1_39=16, var_1_40=5, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L179] var_1_36 = __VERIFIER_nondet_float() [L180] CALL assume_abort_if_not((var_1_36 >= 0.0F && var_1_36 <= -1.0e-20F) || (var_1_36 <= 4611686.018427382800e+12F && var_1_36 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=5, var_1_16=1, var_1_17=11, var_1_18=30, var_1_19=30, var_1_1=0, var_1_20=1, var_1_21=7, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=2, var_1_33=1, var_1_34=1, var_1_35=162/5, var_1_37=15/2, var_1_38=16/5, var_1_39=16, var_1_40=5, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L180] RET assume_abort_if_not((var_1_36 >= 0.0F && var_1_36 <= -1.0e-20F) || (var_1_36 <= 4611686.018427382800e+12F && var_1_36 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=5, var_1_16=1, var_1_17=11, var_1_18=30, var_1_19=30, var_1_1=0, var_1_20=1, var_1_21=7, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=2, var_1_33=1, var_1_34=1, var_1_35=162/5, var_1_37=15/2, var_1_38=16/5, var_1_39=16, var_1_40=5, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L181] var_1_37 = __VERIFIER_nondet_float() [L182] CALL assume_abort_if_not((var_1_37 >= 0.0F && var_1_37 <= -1.0e-20F) || (var_1_37 <= 4611686.018427382800e+12F && var_1_37 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=5, var_1_16=1, var_1_17=11, var_1_18=30, var_1_19=30, var_1_1=0, var_1_20=1, var_1_21=7, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=2, var_1_33=1, var_1_34=1, var_1_35=162/5, var_1_38=16/5, var_1_39=16, var_1_40=5, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L182] RET assume_abort_if_not((var_1_37 >= 0.0F && var_1_37 <= -1.0e-20F) || (var_1_37 <= 4611686.018427382800e+12F && var_1_37 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=5, var_1_16=1, var_1_17=11, var_1_18=30, var_1_19=30, var_1_1=0, var_1_20=1, var_1_21=7, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=2, var_1_33=1, var_1_34=1, var_1_35=162/5, var_1_38=16/5, var_1_39=16, var_1_40=5, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L183] var_1_38 = __VERIFIER_nondet_float() [L184] CALL assume_abort_if_not((var_1_38 >= -461168.6018427382800e+13F && var_1_38 <= -1.0e-20F) || (var_1_38 <= 4611686.018427382800e+12F && var_1_38 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=5, var_1_16=1, var_1_17=11, var_1_18=30, var_1_19=30, var_1_1=0, var_1_20=1, var_1_21=7, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=2, var_1_33=1, var_1_34=1, var_1_35=162/5, var_1_39=16, var_1_40=5, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L184] RET assume_abort_if_not((var_1_38 >= -461168.6018427382800e+13F && var_1_38 <= -1.0e-20F) || (var_1_38 <= 4611686.018427382800e+12F && var_1_38 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=5, var_1_16=1, var_1_17=11, var_1_18=30, var_1_19=30, var_1_1=0, var_1_20=1, var_1_21=7, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=2, var_1_33=1, var_1_34=1, var_1_35=162/5, var_1_39=16, var_1_40=5, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L185] var_1_40 = __VERIFIER_nondet_uchar() [L186] CALL assume_abort_if_not(var_1_40 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=5, var_1_16=1, var_1_17=11, var_1_18=30, var_1_19=30, var_1_1=0, var_1_20=1, var_1_21=7, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=2, var_1_33=1, var_1_34=1, var_1_35=162/5, var_1_39=16, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L186] RET assume_abort_if_not(var_1_40 >= 0) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=5, var_1_16=1, var_1_17=11, var_1_18=30, var_1_19=30, var_1_1=0, var_1_20=1, var_1_21=7, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=2, var_1_33=1, var_1_34=1, var_1_35=162/5, var_1_39=16, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L187] CALL assume_abort_if_not(var_1_40 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=5, var_1_16=1, var_1_17=11, var_1_18=30, var_1_19=30, var_1_1=0, var_1_20=1, var_1_21=7, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=2, var_1_33=1, var_1_34=1, var_1_35=162/5, var_1_39=16, var_1_40=254, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L187] RET assume_abort_if_not(var_1_40 <= 254) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=5, var_1_16=1, var_1_17=11, var_1_18=30, var_1_19=30, var_1_1=0, var_1_20=1, var_1_21=7, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=2, var_1_33=1, var_1_34=1, var_1_35=162/5, var_1_39=16, var_1_40=254, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L188] var_1_43 = __VERIFIER_nondet_uchar() [L189] CALL assume_abort_if_not(var_1_43 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=5, var_1_16=1, var_1_17=11, var_1_18=30, var_1_19=30, var_1_1=0, var_1_20=1, var_1_21=7, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=2, var_1_33=1, var_1_34=1, var_1_35=162/5, var_1_39=16, var_1_40=254, var_1_41=-2, var_1_42=10, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L189] RET assume_abort_if_not(var_1_43 >= 0) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=5, var_1_16=1, var_1_17=11, var_1_18=30, var_1_19=30, var_1_1=0, var_1_20=1, var_1_21=7, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=2, var_1_33=1, var_1_34=1, var_1_35=162/5, var_1_39=16, var_1_40=254, var_1_41=-2, var_1_42=10, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L190] CALL assume_abort_if_not(var_1_43 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=5, var_1_16=1, var_1_17=11, var_1_18=30, var_1_19=30, var_1_1=0, var_1_20=1, var_1_21=7, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=2, var_1_33=1, var_1_34=1, var_1_35=162/5, var_1_39=16, var_1_40=254, var_1_41=-2, var_1_42=10, var_1_43=0, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L190] RET assume_abort_if_not(var_1_43 <= 127) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=5, var_1_16=1, var_1_17=11, var_1_18=30, var_1_19=30, var_1_1=0, var_1_20=1, var_1_21=7, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=2, var_1_33=1, var_1_34=1, var_1_35=162/5, var_1_39=16, var_1_40=254, var_1_41=-2, var_1_42=10, var_1_43=0, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L191] var_1_44 = __VERIFIER_nondet_uchar() [L192] CALL assume_abort_if_not(var_1_44 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=5, var_1_16=1, var_1_17=11, var_1_18=30, var_1_19=30, var_1_1=0, var_1_20=1, var_1_21=7, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=2, var_1_33=1, var_1_34=1, var_1_35=162/5, var_1_39=16, var_1_40=254, var_1_41=-2, var_1_42=10, var_1_43=0, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L192] RET assume_abort_if_not(var_1_44 >= 0) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=5, var_1_16=1, var_1_17=11, var_1_18=30, var_1_19=30, var_1_1=0, var_1_20=1, var_1_21=7, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=2, var_1_33=1, var_1_34=1, var_1_35=162/5, var_1_39=16, var_1_40=254, var_1_41=-2, var_1_42=10, var_1_43=0, var_1_45=-25, var_1_8=1, var_1_9=10] [L193] CALL assume_abort_if_not(var_1_44 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=5, var_1_16=1, var_1_17=11, var_1_18=30, var_1_19=30, var_1_1=0, var_1_20=1, var_1_21=7, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=2, var_1_33=1, var_1_34=1, var_1_35=162/5, var_1_39=16, var_1_40=254, var_1_41=-2, var_1_42=10, var_1_43=0, var_1_44=127, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L193] RET assume_abort_if_not(var_1_44 <= 127) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=5, var_1_16=1, var_1_17=11, var_1_18=30, var_1_19=30, var_1_1=0, var_1_20=1, var_1_21=7, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=2, var_1_33=1, var_1_34=1, var_1_35=162/5, var_1_39=16, var_1_40=254, var_1_41=-2, var_1_42=10, var_1_43=0, var_1_44=127, var_1_45=-25, var_1_8=1, var_1_9=10] [L211] RET updateVariables() [L212] CALL step() [L63] COND FALSE !(\read(var_1_1)) [L70] var_1_24 = var_1_20 [L72] COND TRUE var_1_23 >= var_1_20 [L73] COND FALSE !((4 % var_1_32) > var_1_23) [L76] var_1_31 = var_1_32 [L79] var_1_33 = var_1_34 [L80] COND FALSE !(var_1_16 >= var_1_23) [L83] COND FALSE !(var_1_1 || var_1_1) [L86] COND TRUE \read(var_1_34) [L87] var_1_41 = ((((var_1_40) < 0 ) ? -(var_1_40) : (var_1_40))) [L91] COND TRUE var_1_10 <= ((((var_1_38) < 0 ) ? -(var_1_38) : (var_1_38))) [L92] var_1_42 = (((((((var_1_43 + var_1_44) < 0 ) ? -(var_1_43 + var_1_44) : (var_1_43 + var_1_44))) < 0 ) ? -((((var_1_43 + var_1_44) < 0 ) ? -(var_1_43 + var_1_44) : (var_1_43 + var_1_44))) : ((((var_1_43 + var_1_44) < 0 ) ? -(var_1_43 + var_1_44) : (var_1_43 + var_1_44))))) [L94] COND FALSE !((var_1_14 / var_1_32) >= var_1_23) [L99] COND TRUE ((((var_1_37) < 0 ) ? -(var_1_37) : (var_1_37))) < (var_1_22 * var_1_10) [L100] var_1_45 = 4 [L103] unsigned char stepLocal_1 = last_1_var_1_14 > (last_1_var_1_16 - last_1_var_1_16); [L104] signed long int stepLocal_0 = last_1_var_1_20 * last_1_var_1_20; [L105] COND FALSE !(stepLocal_0 == last_1_var_1_14) [L110] unsigned long int stepLocal_6 = ((((var_1_15) > (last_1_var_1_9)) ? (var_1_15) : (last_1_var_1_9))) / var_1_17; [L111] EXPR 256u << last_1_var_1_16 [L111] COND TRUE stepLocal_6 <= (256u << last_1_var_1_16) [L112] var_1_16 = ((((var_1_18) > (var_1_19)) ? (var_1_18) : (var_1_19))) [L114] unsigned char stepLocal_5 = var_1_16 != var_1_16; [L115] unsigned char stepLocal_4 = var_1_8; [L116] COND TRUE (! var_1_1) || stepLocal_4 [L117] var_1_10 = (((((var_1_11 + var_1_12)) < (((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13))))) ? ((var_1_11 + var_1_12)) : (((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13)))))) [L125] var_1_20 = var_1_21 [L126] var_1_22 = var_1_12 [L127] var_1_23 = var_1_21 [L128] COND FALSE !(\read(var_1_1)) [L131] EXPR (var_1_16 / var_1_15) & var_1_16 [L131] COND FALSE !(((var_1_16 / var_1_15) & var_1_16) >= var_1_20) [L134] var_1_14 = -128 [L137] unsigned char stepLocal_3 = var_1_20 != var_1_14; [L138] signed long int stepLocal_2 = (((var_1_16) < (0)) ? (var_1_16) : (0)); [L139] COND TRUE (var_1_1 || (var_1_16 <= var_1_14)) || stepLocal_3 [L140] COND TRUE stepLocal_2 <= (-5 + var_1_16) [L141] var_1_9 = var_1_16 [L212] RET step() [L213] CALL, EXPR property() [L203] EXPR (((((last_1_var_1_20 * last_1_var_1_20) == last_1_var_1_14) ? (((last_1_var_1_14 > (last_1_var_1_16 - last_1_var_1_16)) && last_1_var_1_1) ? (var_1_1 == ((unsigned char) var_1_8)) : 1) : 1) && (((var_1_1 || (var_1_16 <= var_1_14)) || (var_1_20 != var_1_14)) ? ((((((var_1_16) < (0)) ? (var_1_16) : (0))) <= (-5 + var_1_16)) ? (var_1_9 == ((unsigned long int) var_1_16)) : 1) : 1)) && (((! var_1_1) || var_1_8) ? (var_1_10 == ((float) (((((var_1_11 + var_1_12)) < (((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13))))) ? ((var_1_11 + var_1_12)) : (((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13)))))))) : (((var_1_11 < var_1_12) || (var_1_16 != var_1_16)) ? (var_1_10 == ((float) var_1_13)) : (var_1_10 == ((float) var_1_12))))) && (var_1_1 ? (var_1_14 == ((signed short int) ((((var_1_23) > (var_1_16)) ? (var_1_23) : (var_1_16))))) : ((((var_1_16 / var_1_15) & var_1_16) >= var_1_20) ? (var_1_14 == ((signed short int) var_1_16)) : (var_1_14 == ((signed short int) -128)))) [L203] EXPR var_1_1 ? (var_1_14 == ((signed short int) ((((var_1_23) > (var_1_16)) ? (var_1_23) : (var_1_16))))) : ((((var_1_16 / var_1_15) & var_1_16) >= var_1_20) ? (var_1_14 == ((signed short int) var_1_16)) : (var_1_14 == ((signed short int) -128))) [L203] EXPR (var_1_16 / var_1_15) & var_1_16 [L203] EXPR var_1_1 ? (var_1_14 == ((signed short int) ((((var_1_23) > (var_1_16)) ? (var_1_23) : (var_1_16))))) : ((((var_1_16 / var_1_15) & var_1_16) >= var_1_20) ? (var_1_14 == ((signed short int) var_1_16)) : (var_1_14 == ((signed short int) -128))) [L203] EXPR (((((last_1_var_1_20 * last_1_var_1_20) == last_1_var_1_14) ? (((last_1_var_1_14 > (last_1_var_1_16 - last_1_var_1_16)) && last_1_var_1_1) ? (var_1_1 == ((unsigned char) var_1_8)) : 1) : 1) && (((var_1_1 || (var_1_16 <= var_1_14)) || (var_1_20 != var_1_14)) ? ((((((var_1_16) < (0)) ? (var_1_16) : (0))) <= (-5 + var_1_16)) ? (var_1_9 == ((unsigned long int) var_1_16)) : 1) : 1)) && (((! var_1_1) || var_1_8) ? (var_1_10 == ((float) (((((var_1_11 + var_1_12)) < (((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13))))) ? ((var_1_11 + var_1_12)) : (((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13)))))))) : (((var_1_11 < var_1_12) || (var_1_16 != var_1_16)) ? (var_1_10 == ((float) var_1_13)) : (var_1_10 == ((float) var_1_12))))) && (var_1_1 ? (var_1_14 == ((signed short int) ((((var_1_23) > (var_1_16)) ? (var_1_23) : (var_1_16))))) : ((((var_1_16 / var_1_15) & var_1_16) >= var_1_20) ? (var_1_14 == ((signed short int) var_1_16)) : (var_1_14 == ((signed short int) -128)))) [L203] EXPR ((((((last_1_var_1_20 * last_1_var_1_20) == last_1_var_1_14) ? (((last_1_var_1_14 > (last_1_var_1_16 - last_1_var_1_16)) && last_1_var_1_1) ? (var_1_1 == ((unsigned char) var_1_8)) : 1) : 1) && (((var_1_1 || (var_1_16 <= var_1_14)) || (var_1_20 != var_1_14)) ? ((((((var_1_16) < (0)) ? (var_1_16) : (0))) <= (-5 + var_1_16)) ? (var_1_9 == ((unsigned long int) var_1_16)) : 1) : 1)) && (((! var_1_1) || var_1_8) ? (var_1_10 == ((float) (((((var_1_11 + var_1_12)) < (((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13))))) ? ((var_1_11 + var_1_12)) : (((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13)))))))) : (((var_1_11 < var_1_12) || (var_1_16 != var_1_16)) ? (var_1_10 == ((float) var_1_13)) : (var_1_10 == ((float) var_1_12))))) && (var_1_1 ? (var_1_14 == ((signed short int) ((((var_1_23) > (var_1_16)) ? (var_1_23) : (var_1_16))))) : ((((var_1_16 / var_1_15) & var_1_16) >= var_1_20) ? (var_1_14 == ((signed short int) var_1_16)) : (var_1_14 == ((signed short int) -128))))) && (((((((var_1_15) > (last_1_var_1_9)) ? (var_1_15) : (last_1_var_1_9))) / var_1_17) <= (256u << last_1_var_1_16)) ? (var_1_16 == ((unsigned char) ((((var_1_18) > (var_1_19)) ? (var_1_18) : (var_1_19))))) : 1) [L203] EXPR 256u << last_1_var_1_16 [L203] EXPR ((((((last_1_var_1_20 * last_1_var_1_20) == last_1_var_1_14) ? (((last_1_var_1_14 > (last_1_var_1_16 - last_1_var_1_16)) && last_1_var_1_1) ? (var_1_1 == ((unsigned char) var_1_8)) : 1) : 1) && (((var_1_1 || (var_1_16 <= var_1_14)) || (var_1_20 != var_1_14)) ? ((((((var_1_16) < (0)) ? (var_1_16) : (0))) <= (-5 + var_1_16)) ? (var_1_9 == ((unsigned long int) var_1_16)) : 1) : 1)) && (((! var_1_1) || var_1_8) ? (var_1_10 == ((float) (((((var_1_11 + var_1_12)) < (((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13))))) ? ((var_1_11 + var_1_12)) : (((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13)))))))) : (((var_1_11 < var_1_12) || (var_1_16 != var_1_16)) ? (var_1_10 == ((float) var_1_13)) : (var_1_10 == ((float) var_1_12))))) && (var_1_1 ? (var_1_14 == ((signed short int) ((((var_1_23) > (var_1_16)) ? (var_1_23) : (var_1_16))))) : ((((var_1_16 / var_1_15) & var_1_16) >= var_1_20) ? (var_1_14 == ((signed short int) var_1_16)) : (var_1_14 == ((signed short int) -128))))) && (((((((var_1_15) > (last_1_var_1_9)) ? (var_1_15) : (last_1_var_1_9))) / var_1_17) <= (256u << last_1_var_1_16)) ? (var_1_16 == ((unsigned char) ((((var_1_18) > (var_1_19)) ? (var_1_18) : (var_1_19))))) : 1) [L203-L204] return (((((((((last_1_var_1_20 * last_1_var_1_20) == last_1_var_1_14) ? (((last_1_var_1_14 > (last_1_var_1_16 - last_1_var_1_16)) && last_1_var_1_1) ? (var_1_1 == ((unsigned char) var_1_8)) : 1) : 1) && (((var_1_1 || (var_1_16 <= var_1_14)) || (var_1_20 != var_1_14)) ? ((((((var_1_16) < (0)) ? (var_1_16) : (0))) <= (-5 + var_1_16)) ? (var_1_9 == ((unsigned long int) var_1_16)) : 1) : 1)) && (((! var_1_1) || var_1_8) ? (var_1_10 == ((float) (((((var_1_11 + var_1_12)) < (((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13))))) ? ((var_1_11 + var_1_12)) : (((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13)))))))) : (((var_1_11 < var_1_12) || (var_1_16 != var_1_16)) ? (var_1_10 == ((float) var_1_13)) : (var_1_10 == ((float) var_1_12))))) && (var_1_1 ? (var_1_14 == ((signed short int) ((((var_1_23) > (var_1_16)) ? (var_1_23) : (var_1_16))))) : ((((var_1_16 / var_1_15) & var_1_16) >= var_1_20) ? (var_1_14 == ((signed short int) var_1_16)) : (var_1_14 == ((signed short int) -128))))) && (((((((var_1_15) > (last_1_var_1_9)) ? (var_1_15) : (last_1_var_1_9))) / var_1_17) <= (256u << last_1_var_1_16)) ? (var_1_16 == ((unsigned char) ((((var_1_18) > (var_1_19)) ? (var_1_18) : (var_1_19))))) : 1)) && (var_1_20 == ((signed char) var_1_21))) && (var_1_22 == ((float) var_1_12))) && (var_1_23 == ((signed char) var_1_21)) ; [L213] RET, EXPR property() [L213] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=2, var_1_12=3, var_1_13=0, var_1_14=-128, var_1_15=5, var_1_16=30, var_1_17=11, var_1_18=30, var_1_19=30, var_1_1=0, var_1_20=7, var_1_21=7, var_1_22=3, var_1_23=7, var_1_24=1, var_1_31=2, var_1_32=2, var_1_33=1, var_1_34=1, var_1_35=162/5, var_1_39=16, var_1_40=254, var_1_41=254, var_1_42=127, var_1_43=0, var_1_44=127, var_1_45=4, var_1_8=1, var_1_9=30] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=2, var_1_12=3, var_1_13=0, var_1_14=-128, var_1_15=5, var_1_16=30, var_1_17=11, var_1_18=30, var_1_19=30, var_1_1=0, var_1_20=7, var_1_21=7, var_1_22=3, var_1_23=7, var_1_24=1, var_1_31=2, var_1_32=2, var_1_33=1, var_1_34=1, var_1_35=162/5, var_1_39=16, var_1_40=254, var_1_41=254, var_1_42=127, var_1_43=0, var_1_44=127, var_1_45=4, var_1_8=1, var_1_9=30] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 57 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.9s, OverallIterations: 1, TraceHistogramMax: 31, 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=57occurred 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: 0.1s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 114 NumberOfCodeBlocks, 114 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 15:12:33,750 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eec7844-1c2e-481f-b0f9-7dcf0ae0b1fa/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eec7844-1c2e-481f-b0f9-7dcf0ae0b1fa/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eec7844-1c2e-481f-b0f9-7dcf0ae0b1fa/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_3eec7844-1c2e-481f-b0f9-7dcf0ae0b1fa/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eec7844-1c2e-481f-b0f9-7dcf0ae0b1fa/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-53.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eec7844-1c2e-481f-b0f9-7dcf0ae0b1fa/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_3eec7844-1c2e-481f-b0f9-7dcf0ae0b1fa/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 be2e40f79fa9aafe544dbfb6b1d1f051df435db5ea0b560bd0fc960acf5ae062 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 15:12:35,667 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 15:12:35,743 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eec7844-1c2e-481f-b0f9-7dcf0ae0b1fa/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-12-02 15:12:35,749 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 15:12:35,750 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 15:12:35,778 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 15:12:35,779 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 15:12:35,780 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 15:12:35,780 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 15:12:35,781 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 15:12:35,782 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 15:12:35,782 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 15:12:35,783 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 15:12:35,783 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 15:12:35,784 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 15:12:35,785 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 15:12:35,785 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 15:12:35,786 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 15:12:35,787 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 15:12:35,787 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 15:12:35,788 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 15:12:35,788 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 15:12:35,789 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 15:12:35,789 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 15:12:35,790 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 15:12:35,790 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 15:12:35,790 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 15:12:35,791 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 15:12:35,791 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 15:12:35,792 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 15:12:35,792 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 15:12:35,793 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 15:12:35,793 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 15:12:35,793 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 15:12:35,793 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 15:12:35,794 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 15:12:35,794 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 15:12:35,794 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 15:12:35,794 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 15:12:35,795 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 15:12:35,795 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 15:12:35,795 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 15:12:35,795 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 15:12:35,796 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 15:12:35,796 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_3eec7844-1c2e-481f-b0f9-7dcf0ae0b1fa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eec7844-1c2e-481f-b0f9-7dcf0ae0b1fa/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> be2e40f79fa9aafe544dbfb6b1d1f051df435db5ea0b560bd0fc960acf5ae062 [2023-12-02 15:12:36,066 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 15:12:36,086 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 15:12:36,089 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 15:12:36,090 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 15:12:36,090 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 15:12:36,091 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eec7844-1c2e-481f-b0f9-7dcf0ae0b1fa/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-53.i [2023-12-02 15:12:38,889 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 15:12:39,110 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 15:12:39,111 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eec7844-1c2e-481f-b0f9-7dcf0ae0b1fa/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-53.i [2023-12-02 15:12:39,136 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eec7844-1c2e-481f-b0f9-7dcf0ae0b1fa/bin/utaipan-verify-nQ1chXbOIh/data/77e69939d/fd9db3c866a2449ca6332192fbb41e70/FLAG81dce11ef [2023-12-02 15:12:39,150 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eec7844-1c2e-481f-b0f9-7dcf0ae0b1fa/bin/utaipan-verify-nQ1chXbOIh/data/77e69939d/fd9db3c866a2449ca6332192fbb41e70 [2023-12-02 15:12:39,153 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 15:12:39,154 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 15:12:39,156 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 15:12:39,156 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 15:12:39,161 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 15:12:39,161 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:12:39" (1/1) ... [2023-12-02 15:12:39,163 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42f528bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:12:39, skipping insertion in model container [2023-12-02 15:12:39,163 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:12:39" (1/1) ... [2023-12-02 15:12:39,198 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 15:12:39,346 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_3eec7844-1c2e-481f-b0f9-7dcf0ae0b1fa/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-53.i[919,932] [2023-12-02 15:12:39,419 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 15:12:39,437 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 15:12:39,450 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_3eec7844-1c2e-481f-b0f9-7dcf0ae0b1fa/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-53.i[919,932] [2023-12-02 15:12:39,486 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 15:12:39,506 INFO L206 MainTranslator]: Completed translation [2023-12-02 15:12:39,506 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:12:39 WrapperNode [2023-12-02 15:12:39,507 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 15:12:39,508 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 15:12:39,508 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 15:12:39,508 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 15:12:39,515 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:12:39" (1/1) ... [2023-12-02 15:12:39,530 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:12:39" (1/1) ... [2023-12-02 15:12:39,559 INFO L138 Inliner]: procedures = 27, calls = 44, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 211 [2023-12-02 15:12:39,560 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 15:12:39,561 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 15:12:39,561 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 15:12:39,561 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 15:12:39,570 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:12:39" (1/1) ... [2023-12-02 15:12:39,571 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:12:39" (1/1) ... [2023-12-02 15:12:39,576 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:12:39" (1/1) ... [2023-12-02 15:12:39,577 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:12:39" (1/1) ... [2023-12-02 15:12:39,590 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:12:39" (1/1) ... [2023-12-02 15:12:39,595 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:12:39" (1/1) ... [2023-12-02 15:12:39,598 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:12:39" (1/1) ... [2023-12-02 15:12:39,601 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:12:39" (1/1) ... [2023-12-02 15:12:39,607 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 15:12:39,608 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 15:12:39,608 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 15:12:39,608 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 15:12:39,609 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:12:39" (1/1) ... [2023-12-02 15:12:39,616 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 15:12:39,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eec7844-1c2e-481f-b0f9-7dcf0ae0b1fa/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 15:12:39,643 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eec7844-1c2e-481f-b0f9-7dcf0ae0b1fa/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 15:12:39,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eec7844-1c2e-481f-b0f9-7dcf0ae0b1fa/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 15:12:39,672 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 15:12:39,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 15:12:39,673 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 15:12:39,673 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 15:12:39,673 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 15:12:39,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 15:12:39,761 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 15:12:39,763 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 15:12:41,006 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 15:12:41,051 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 15:12:41,051 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 15:12:41,052 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:12:41 BoogieIcfgContainer [2023-12-02 15:12:41,052 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 15:12:41,054 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 15:12:41,055 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 15:12:41,058 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 15:12:41,058 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:12:39" (1/3) ... [2023-12-02 15:12:41,058 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5db55e48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:12:41, skipping insertion in model container [2023-12-02 15:12:41,059 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:12:39" (2/3) ... [2023-12-02 15:12:41,059 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5db55e48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:12:41, skipping insertion in model container [2023-12-02 15:12:41,059 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:12:41" (3/3) ... [2023-12-02 15:12:41,060 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-co_file-53.i [2023-12-02 15:12:41,079 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 15:12:41,079 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 15:12:41,117 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 15:12:41,122 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;@52526134, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 15:12:41,122 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 15:12:41,126 INFO L276 IsEmpty]: Start isEmpty. Operand has 88 states, 54 states have (on average 1.4814814814814814) internal successors, (80), 55 states have internal predecessors, (80), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2023-12-02 15:12:41,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2023-12-02 15:12:41,143 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:12:41,144 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:12:41,144 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:12:41,149 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:12:41,149 INFO L85 PathProgramCache]: Analyzing trace with hash -376351263, now seen corresponding path program 1 times [2023-12-02 15:12:41,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 15:12:41,163 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1089610261] [2023-12-02 15:12:41,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:12:41,164 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 15:12:41,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eec7844-1c2e-481f-b0f9-7dcf0ae0b1fa/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 15:12:41,166 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eec7844-1c2e-481f-b0f9-7dcf0ae0b1fa/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 15:12:41,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eec7844-1c2e-481f-b0f9-7dcf0ae0b1fa/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 15:12:41,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:12:41,643 INFO L262 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 15:12:41,656 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:12:41,708 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 896 proven. 0 refuted. 0 times theorem prover too weak. 964 trivial. 0 not checked. [2023-12-02 15:12:41,708 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 15:12:41,709 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 15:12:41,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1089610261] [2023-12-02 15:12:41,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1089610261] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:12:41,710 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:12:41,711 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 15:12:41,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535219714] [2023-12-02 15:12:41,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:12:41,718 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-02 15:12:41,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 15:12:41,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-02 15:12:41,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 15:12:41,766 INFO L87 Difference]: Start difference. First operand has 88 states, 54 states have (on average 1.4814814814814814) internal successors, (80), 55 states have internal predecessors, (80), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) Second operand has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-12-02 15:12:42,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:12:42,049 INFO L93 Difference]: Finished difference Result 173 states and 313 transitions. [2023-12-02 15:12:42,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 15:12:42,062 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 196 [2023-12-02 15:12:42,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:12:42,069 INFO L225 Difference]: With dead ends: 173 [2023-12-02 15:12:42,069 INFO L226 Difference]: Without dead ends: 86 [2023-12-02 15:12:42,072 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 195 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 15:12:42,075 INFO L413 NwaCegarLoop]: 134 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-02 15:12:42,076 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 134 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-02 15:12:42,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2023-12-02 15:12:42,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2023-12-02 15:12:42,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 53 states have (on average 1.4150943396226414) internal successors, (75), 53 states have internal predecessors, (75), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2023-12-02 15:12:42,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 137 transitions. [2023-12-02 15:12:42,115 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 137 transitions. Word has length 196 [2023-12-02 15:12:42,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:12:42,116 INFO L495 AbstractCegarLoop]: Abstraction has 86 states and 137 transitions. [2023-12-02 15:12:42,116 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-12-02 15:12:42,117 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 137 transitions. [2023-12-02 15:12:42,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2023-12-02 15:12:42,122 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:12:42,122 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:12:42,136 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eec7844-1c2e-481f-b0f9-7dcf0ae0b1fa/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 15:12:42,323 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eec7844-1c2e-481f-b0f9-7dcf0ae0b1fa/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 15:12:42,323 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:12:42,324 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:12:42,324 INFO L85 PathProgramCache]: Analyzing trace with hash 1222594543, now seen corresponding path program 1 times [2023-12-02 15:12:42,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 15:12:42,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1114811762] [2023-12-02 15:12:42,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:12:42,325 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 15:12:42,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eec7844-1c2e-481f-b0f9-7dcf0ae0b1fa/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 15:12:42,326 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eec7844-1c2e-481f-b0f9-7dcf0ae0b1fa/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 15:12:42,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eec7844-1c2e-481f-b0f9-7dcf0ae0b1fa/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 15:12:42,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:12:42,861 INFO L262 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 15:12:42,867 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:12:44,159 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2023-12-02 15:12:44,160 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 15:12:44,160 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 15:12:44,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1114811762] [2023-12-02 15:12:44,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1114811762] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:12:44,161 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:12:44,161 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 15:12:44,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1972332545] [2023-12-02 15:12:44,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:12:44,163 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 15:12:44,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 15:12:44,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 15:12:44,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 15:12:44,165 INFO L87 Difference]: Start difference. First operand 86 states and 137 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-12-02 15:12:45,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:12:45,581 INFO L93 Difference]: Finished difference Result 246 states and 395 transitions. [2023-12-02 15:12:45,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 15:12:45,587 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 196 [2023-12-02 15:12:45,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:12:45,591 INFO L225 Difference]: With dead ends: 246 [2023-12-02 15:12:45,591 INFO L226 Difference]: Without dead ends: 161 [2023-12-02 15:12:45,593 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 194 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 15:12:45,594 INFO L413 NwaCegarLoop]: 126 mSDtfsCounter, 35 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 245 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-12-02 15:12:45,595 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 245 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-12-02 15:12:45,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2023-12-02 15:12:45,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 144. [2023-12-02 15:12:45,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 79 states have (on average 1.3164556962025316) internal successors, (104), 79 states have internal predecessors, (104), 62 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2023-12-02 15:12:45,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 228 transitions. [2023-12-02 15:12:45,636 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 228 transitions. Word has length 196 [2023-12-02 15:12:45,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:12:45,637 INFO L495 AbstractCegarLoop]: Abstraction has 144 states and 228 transitions. [2023-12-02 15:12:45,638 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-12-02 15:12:45,638 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 228 transitions. [2023-12-02 15:12:45,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2023-12-02 15:12:45,642 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:12:45,642 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:12:45,655 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eec7844-1c2e-481f-b0f9-7dcf0ae0b1fa/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)] Ended with exit code 0 [2023-12-02 15:12:45,844 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eec7844-1c2e-481f-b0f9-7dcf0ae0b1fa/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 15:12:45,844 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:12:45,845 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:12:45,845 INFO L85 PathProgramCache]: Analyzing trace with hash -1822599323, now seen corresponding path program 1 times [2023-12-02 15:12:45,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 15:12:45,846 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1632097447] [2023-12-02 15:12:45,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:12:45,846 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 15:12:45,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eec7844-1c2e-481f-b0f9-7dcf0ae0b1fa/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 15:12:45,847 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eec7844-1c2e-481f-b0f9-7dcf0ae0b1fa/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 15:12:45,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eec7844-1c2e-481f-b0f9-7dcf0ae0b1fa/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 15:12:46,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:12:46,267 INFO L262 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 15:12:46,273 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:12:47,281 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2023-12-02 15:12:47,281 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 15:12:47,281 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 15:12:47,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1632097447] [2023-12-02 15:12:47,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1632097447] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:12:47,282 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:12:47,282 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 15:12:47,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534836975] [2023-12-02 15:12:47,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:12:47,283 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 15:12:47,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 15:12:47,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 15:12:47,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 15:12:47,285 INFO L87 Difference]: Start difference. First operand 144 states and 228 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 2 states have internal predecessors, (45), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-12-02 15:12:48,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:12:48,119 INFO L93 Difference]: Finished difference Result 246 states and 393 transitions. [2023-12-02 15:12:48,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 15:12:48,122 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 2 states have internal predecessors, (45), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 197 [2023-12-02 15:12:48,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:12:48,125 INFO L225 Difference]: With dead ends: 246 [2023-12-02 15:12:48,125 INFO L226 Difference]: Without dead ends: 161 [2023-12-02 15:12:48,126 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 195 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 15:12:48,128 INFO L413 NwaCegarLoop]: 134 mSDtfsCounter, 30 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 249 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-12-02 15:12:48,128 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 249 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-12-02 15:12:48,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2023-12-02 15:12:48,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 146. [2023-12-02 15:12:48,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 81 states have (on average 1.308641975308642) internal successors, (106), 81 states have internal predecessors, (106), 62 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2023-12-02 15:12:48,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 230 transitions. [2023-12-02 15:12:48,160 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 230 transitions. Word has length 197 [2023-12-02 15:12:48,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:12:48,161 INFO L495 AbstractCegarLoop]: Abstraction has 146 states and 230 transitions. [2023-12-02 15:12:48,161 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 2 states have internal predecessors, (45), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-12-02 15:12:48,162 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 230 transitions. [2023-12-02 15:12:48,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2023-12-02 15:12:48,164 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:12:48,165 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:12:48,176 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eec7844-1c2e-481f-b0f9-7dcf0ae0b1fa/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)] Forceful destruction successful, exit code 0 [2023-12-02 15:12:48,365 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eec7844-1c2e-481f-b0f9-7dcf0ae0b1fa/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 15:12:48,365 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:12:48,366 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:12:48,366 INFO L85 PathProgramCache]: Analyzing trace with hash 783424231, now seen corresponding path program 1 times [2023-12-02 15:12:48,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 15:12:48,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1613883543] [2023-12-02 15:12:48,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:12:48,367 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 15:12:48,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eec7844-1c2e-481f-b0f9-7dcf0ae0b1fa/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 15:12:48,368 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eec7844-1c2e-481f-b0f9-7dcf0ae0b1fa/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 15:12:48,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eec7844-1c2e-481f-b0f9-7dcf0ae0b1fa/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 15:12:48,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:12:48,736 INFO L262 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 15:12:48,739 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:12:48,776 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2023-12-02 15:12:48,776 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 15:12:48,776 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 15:12:48,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1613883543] [2023-12-02 15:12:48,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1613883543] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:12:48,777 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:12:48,777 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 15:12:48,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999218667] [2023-12-02 15:12:48,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:12:48,778 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 15:12:48,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 15:12:48,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 15:12:48,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 15:12:48,780 INFO L87 Difference]: Start difference. First operand 146 states and 230 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-12-02 15:12:49,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:12:49,177 INFO L93 Difference]: Finished difference Result 320 states and 502 transitions. [2023-12-02 15:12:49,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 15:12:49,178 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 197 [2023-12-02 15:12:49,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:12:49,181 INFO L225 Difference]: With dead ends: 320 [2023-12-02 15:12:49,182 INFO L226 Difference]: Without dead ends: 231 [2023-12-02 15:12:49,182 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 195 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 15:12:49,184 INFO L413 NwaCegarLoop]: 214 mSDtfsCounter, 113 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 331 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-02 15:12:49,184 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 331 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-02 15:12:49,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2023-12-02 15:12:49,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 229. [2023-12-02 15:12:49,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 229 states, 132 states have (on average 1.2803030303030303) internal successors, (169), 132 states have internal predecessors, (169), 93 states have call successors, (93), 3 states have call predecessors, (93), 3 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2023-12-02 15:12:49,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 355 transitions. [2023-12-02 15:12:49,214 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 355 transitions. Word has length 197 [2023-12-02 15:12:49,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:12:49,215 INFO L495 AbstractCegarLoop]: Abstraction has 229 states and 355 transitions. [2023-12-02 15:12:49,215 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-12-02 15:12:49,215 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 355 transitions. [2023-12-02 15:12:49,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2023-12-02 15:12:49,218 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:12:49,218 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:12:49,227 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eec7844-1c2e-481f-b0f9-7dcf0ae0b1fa/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)] Forceful destruction successful, exit code 0 [2023-12-02 15:12:49,418 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eec7844-1c2e-481f-b0f9-7dcf0ae0b1fa/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 15:12:49,419 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:12:49,419 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:12:49,419 INFO L85 PathProgramCache]: Analyzing trace with hash -1494021666, now seen corresponding path program 1 times [2023-12-02 15:12:49,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 15:12:49,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [65236343] [2023-12-02 15:12:49,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:12:49,420 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 15:12:49,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eec7844-1c2e-481f-b0f9-7dcf0ae0b1fa/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 15:12:49,421 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eec7844-1c2e-481f-b0f9-7dcf0ae0b1fa/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 15:12:49,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eec7844-1c2e-481f-b0f9-7dcf0ae0b1fa/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 15:12:49,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:12:49,801 INFO L262 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 15:12:49,804 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:12:50,053 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2023-12-02 15:12:50,053 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 15:12:50,053 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 15:12:50,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [65236343] [2023-12-02 15:12:50,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [65236343] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:12:50,054 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:12:50,054 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 15:12:50,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432666093] [2023-12-02 15:12:50,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:12:50,055 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 15:12:50,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 15:12:50,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 15:12:50,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 15:12:50,056 INFO L87 Difference]: Start difference. First operand 229 states and 355 transitions. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 2 states have internal predecessors, (46), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-12-02 15:12:50,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:12:50,414 INFO L93 Difference]: Finished difference Result 401 states and 623 transitions. [2023-12-02 15:12:50,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 15:12:50,415 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 2 states have internal predecessors, (46), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 198 [2023-12-02 15:12:50,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:12:50,418 INFO L225 Difference]: With dead ends: 401 [2023-12-02 15:12:50,418 INFO L226 Difference]: Without dead ends: 231 [2023-12-02 15:12:50,419 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 196 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 15:12:50,420 INFO L413 NwaCegarLoop]: 127 mSDtfsCounter, 37 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 246 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-02 15:12:50,420 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 246 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-02 15:12:50,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2023-12-02 15:12:50,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 229. [2023-12-02 15:12:50,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 229 states, 132 states have (on average 1.2575757575757576) internal successors, (166), 132 states have internal predecessors, (166), 93 states have call successors, (93), 3 states have call predecessors, (93), 3 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2023-12-02 15:12:50,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 352 transitions. [2023-12-02 15:12:50,452 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 352 transitions. Word has length 198 [2023-12-02 15:12:50,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:12:50,453 INFO L495 AbstractCegarLoop]: Abstraction has 229 states and 352 transitions. [2023-12-02 15:12:50,453 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 2 states have internal predecessors, (46), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-12-02 15:12:50,453 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 352 transitions. [2023-12-02 15:12:50,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2023-12-02 15:12:50,457 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:12:50,457 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:12:50,469 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eec7844-1c2e-481f-b0f9-7dcf0ae0b1fa/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 15:12:50,658 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eec7844-1c2e-481f-b0f9-7dcf0ae0b1fa/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 15:12:50,658 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:12:50,659 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:12:50,659 INFO L85 PathProgramCache]: Analyzing trace with hash -1525096258, now seen corresponding path program 1 times [2023-12-02 15:12:50,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 15:12:50,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [67479569] [2023-12-02 15:12:50,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:12:50,660 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 15:12:50,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eec7844-1c2e-481f-b0f9-7dcf0ae0b1fa/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 15:12:50,661 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eec7844-1c2e-481f-b0f9-7dcf0ae0b1fa/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 15:12:50,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eec7844-1c2e-481f-b0f9-7dcf0ae0b1fa/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 15:12:51,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:12:51,043 INFO L262 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 15:12:51,046 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:12:51,235 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 870 proven. 30 refuted. 0 times theorem prover too weak. 960 trivial. 0 not checked. [2023-12-02 15:12:51,235 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 15:12:51,468 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 60 proven. 30 refuted. 0 times theorem prover too weak. 1770 trivial. 0 not checked. [2023-12-02 15:12:51,469 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 15:12:51,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [67479569] [2023-12-02 15:12:51,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [67479569] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 15:12:51,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1801130611] [2023-12-02 15:12:51,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:12:51,469 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 15:12:51,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eec7844-1c2e-481f-b0f9-7dcf0ae0b1fa/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 15:12:51,472 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eec7844-1c2e-481f-b0f9-7dcf0ae0b1fa/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 15:12:51,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eec7844-1c2e-481f-b0f9-7dcf0ae0b1fa/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-02 15:12:52,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:12:52,473 INFO L262 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 15:12:52,477 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:12:52,651 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 870 proven. 30 refuted. 0 times theorem prover too weak. 960 trivial. 0 not checked. [2023-12-02 15:12:52,651 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 15:12:52,855 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 60 proven. 30 refuted. 0 times theorem prover too weak. 1770 trivial. 0 not checked. [2023-12-02 15:12:52,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1801130611] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 15:12:52,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1845367443] [2023-12-02 15:12:52,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:12:52,856 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 15:12:52,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eec7844-1c2e-481f-b0f9-7dcf0ae0b1fa/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 15:12:52,859 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eec7844-1c2e-481f-b0f9-7dcf0ae0b1fa/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 15:12:52,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eec7844-1c2e-481f-b0f9-7dcf0ae0b1fa/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-12-02 15:12:53,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:12:53,112 INFO L262 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 15:12:53,115 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:12:53,249 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 870 proven. 30 refuted. 0 times theorem prover too weak. 960 trivial. 0 not checked. [2023-12-02 15:12:53,249 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 15:12:53,439 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 60 proven. 30 refuted. 0 times theorem prover too weak. 1770 trivial. 0 not checked. [2023-12-02 15:12:53,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1845367443] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 15:12:53,439 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2023-12-02 15:12:53,439 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 7 [2023-12-02 15:12:53,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103886410] [2023-12-02 15:12:53,440 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2023-12-02 15:12:53,441 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-02 15:12:53,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 15:12:53,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-02 15:12:53,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-12-02 15:12:53,442 INFO L87 Difference]: Start difference. First operand 229 states and 352 transitions. Second operand has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 2 states have call successors, (41), 2 states have call predecessors, (41), 4 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2023-12-02 15:12:54,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:12:54,224 INFO L93 Difference]: Finished difference Result 419 states and 632 transitions. [2023-12-02 15:12:54,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 15:12:54,225 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 2 states have call successors, (41), 2 states have call predecessors, (41), 4 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) Word has length 198 [2023-12-02 15:12:54,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:12:54,227 INFO L225 Difference]: With dead ends: 419 [2023-12-02 15:12:54,227 INFO L226 Difference]: Without dead ends: 249 [2023-12-02 15:12:54,228 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1186 GetRequests, 1174 SyntacticMatches, 3 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2023-12-02 15:12:54,229 INFO L413 NwaCegarLoop]: 128 mSDtfsCounter, 132 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 307 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 290 SdHoareTripleChecker+Invalid, 359 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 307 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-02 15:12:54,229 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 290 Invalid, 359 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 307 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-02 15:12:54,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2023-12-02 15:12:54,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 241. [2023-12-02 15:12:54,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 241 states, 141 states have (on average 1.2127659574468086) internal successors, (171), 141 states have internal predecessors, (171), 93 states have call successors, (93), 6 states have call predecessors, (93), 6 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2023-12-02 15:12:54,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 357 transitions. [2023-12-02 15:12:54,250 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 357 transitions. Word has length 198 [2023-12-02 15:12:54,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:12:54,250 INFO L495 AbstractCegarLoop]: Abstraction has 241 states and 357 transitions. [2023-12-02 15:12:54,251 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 2 states have call successors, (41), 2 states have call predecessors, (41), 4 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2023-12-02 15:12:54,251 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 357 transitions. [2023-12-02 15:12:54,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2023-12-02 15:12:54,252 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:12:54,252 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:12:54,270 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eec7844-1c2e-481f-b0f9-7dcf0ae0b1fa/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2023-12-02 15:12:54,462 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eec7844-1c2e-481f-b0f9-7dcf0ae0b1fa/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)] Ended with exit code 0 [2023-12-02 15:12:54,661 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eec7844-1c2e-481f-b0f9-7dcf0ae0b1fa/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-12-02 15:12:54,853 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eec7844-1c2e-481f-b0f9-7dcf0ae0b1fa/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eec7844-1c2e-481f-b0f9-7dcf0ae0b1fa/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eec7844-1c2e-481f-b0f9-7dcf0ae0b1fa/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt [2023-12-02 15:12:54,854 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:12:54,854 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:12:54,854 INFO L85 PathProgramCache]: Analyzing trace with hash 469048448, now seen corresponding path program 1 times [2023-12-02 15:12:54,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 15:12:54,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [102013830] [2023-12-02 15:12:54,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:12:54,855 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 15:12:54,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eec7844-1c2e-481f-b0f9-7dcf0ae0b1fa/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 15:12:54,856 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eec7844-1c2e-481f-b0f9-7dcf0ae0b1fa/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 15:12:54,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eec7844-1c2e-481f-b0f9-7dcf0ae0b1fa/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 15:12:55,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:12:55,254 INFO L262 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 15:12:55,257 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:12:55,276 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2023-12-02 15:12:55,276 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 15:12:55,276 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 15:12:55,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [102013830] [2023-12-02 15:12:55,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [102013830] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:12:55,276 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:12:55,276 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 15:12:55,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1625607557] [2023-12-02 15:12:55,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:12:55,277 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 15:12:55,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 15:12:55,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 15:12:55,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 15:12:55,278 INFO L87 Difference]: Start difference. First operand 241 states and 357 transitions. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-12-02 15:12:56,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:12:56,342 INFO L93 Difference]: Finished difference Result 514 states and 762 transitions. [2023-12-02 15:12:56,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 15:12:56,343 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 198 [2023-12-02 15:12:56,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:12:56,347 INFO L225 Difference]: With dead ends: 514 [2023-12-02 15:12:56,347 INFO L226 Difference]: Without dead ends: 336 [2023-12-02 15:12:56,348 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 196 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 15:12:56,348 INFO L413 NwaCegarLoop]: 240 mSDtfsCounter, 122 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 356 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-12-02 15:12:56,349 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 356 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-12-02 15:12:56,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states. [2023-12-02 15:12:56,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 243. [2023-12-02 15:12:56,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 243 states, 143 states have (on average 1.2097902097902098) internal successors, (173), 143 states have internal predecessors, (173), 93 states have call successors, (93), 6 states have call predecessors, (93), 6 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2023-12-02 15:12:56,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 359 transitions. [2023-12-02 15:12:56,375 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 359 transitions. Word has length 198 [2023-12-02 15:12:56,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:12:56,376 INFO L495 AbstractCegarLoop]: Abstraction has 243 states and 359 transitions. [2023-12-02 15:12:56,376 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-12-02 15:12:56,377 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 359 transitions. [2023-12-02 15:12:56,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2023-12-02 15:12:56,378 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:12:56,378 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:12:56,390 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eec7844-1c2e-481f-b0f9-7dcf0ae0b1fa/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 15:12:56,578 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eec7844-1c2e-481f-b0f9-7dcf0ae0b1fa/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 15:12:56,579 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:12:56,579 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:12:56,579 INFO L85 PathProgramCache]: Analyzing trace with hash 526306750, now seen corresponding path program 1 times [2023-12-02 15:12:56,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 15:12:56,580 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1369112046] [2023-12-02 15:12:56,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:12:56,580 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 15:12:56,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eec7844-1c2e-481f-b0f9-7dcf0ae0b1fa/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 15:12:56,581 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eec7844-1c2e-481f-b0f9-7dcf0ae0b1fa/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 15:12:56,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eec7844-1c2e-481f-b0f9-7dcf0ae0b1fa/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 15:12:56,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:12:56,938 INFO L262 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 15:12:56,941 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:12:57,193 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 960 proven. 45 refuted. 0 times theorem prover too weak. 855 trivial. 0 not checked. [2023-12-02 15:12:57,193 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 15:12:57,480 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 45 proven. 45 refuted. 0 times theorem prover too weak. 1770 trivial. 0 not checked. [2023-12-02 15:12:57,481 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 15:12:57,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1369112046] [2023-12-02 15:12:57,481 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1369112046] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 15:12:57,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [770061259] [2023-12-02 15:12:57,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:12:57,481 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 15:12:57,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eec7844-1c2e-481f-b0f9-7dcf0ae0b1fa/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 15:12:57,482 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eec7844-1c2e-481f-b0f9-7dcf0ae0b1fa/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 15:12:57,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eec7844-1c2e-481f-b0f9-7dcf0ae0b1fa/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-12-02 15:12:58,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:12:58,594 INFO L262 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 15:12:58,598 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:12:58,823 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 960 proven. 45 refuted. 0 times theorem prover too weak. 855 trivial. 0 not checked. [2023-12-02 15:12:58,824 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 15:12:59,044 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 45 proven. 45 refuted. 0 times theorem prover too weak. 1770 trivial. 0 not checked. [2023-12-02 15:12:59,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [770061259] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 15:12:59,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1023550788] [2023-12-02 15:12:59,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:12:59,045 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 15:12:59,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eec7844-1c2e-481f-b0f9-7dcf0ae0b1fa/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 15:12:59,046 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eec7844-1c2e-481f-b0f9-7dcf0ae0b1fa/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 15:12:59,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eec7844-1c2e-481f-b0f9-7dcf0ae0b1fa/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-12-02 15:12:59,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:12:59,287 INFO L262 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 15:12:59,291 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:13:00,060 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 1160 proven. 93 refuted. 0 times theorem prover too weak. 607 trivial. 0 not checked. [2023-12-02 15:13:00,061 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 15:13:00,562 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 105 proven. 72 refuted. 0 times theorem prover too weak. 1683 trivial. 0 not checked. [2023-12-02 15:13:00,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1023550788] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 15:13:00,563 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2023-12-02 15:13:00,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8, 8, 14, 12] total 22 [2023-12-02 15:13:00,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377777333] [2023-12-02 15:13:00,564 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2023-12-02 15:13:00,565 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2023-12-02 15:13:00,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 15:13:00,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2023-12-02 15:13:00,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=347, Unknown=0, NotChecked=0, Total=462 [2023-12-02 15:13:00,567 INFO L87 Difference]: Start difference. First operand 243 states and 359 transitions. Second operand has 22 states, 21 states have (on average 4.666666666666667) internal successors, (98), 20 states have internal predecessors, (98), 6 states have call successors, (66), 4 states have call predecessors, (66), 8 states have return successors, (69), 6 states have call predecessors, (69), 6 states have call successors, (69) [2023-12-02 15:13:03,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:13:03,920 INFO L93 Difference]: Finished difference Result 597 states and 842 transitions. [2023-12-02 15:13:03,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-12-02 15:13:03,921 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 4.666666666666667) internal successors, (98), 20 states have internal predecessors, (98), 6 states have call successors, (66), 4 states have call predecessors, (66), 8 states have return successors, (69), 6 states have call predecessors, (69), 6 states have call successors, (69) Word has length 198 [2023-12-02 15:13:03,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:13:03,924 INFO L225 Difference]: With dead ends: 597 [2023-12-02 15:13:03,924 INFO L226 Difference]: Without dead ends: 417 [2023-12-02 15:13:03,926 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1234 GetRequests, 1168 SyntacticMatches, 3 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1136 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=1085, Invalid=3075, Unknown=0, NotChecked=0, Total=4160 [2023-12-02 15:13:03,926 INFO L413 NwaCegarLoop]: 193 mSDtfsCounter, 475 mSDsluCounter, 631 mSDsCounter, 0 mSdLazyCounter, 1095 mSolverCounterSat, 439 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 475 SdHoareTripleChecker+Valid, 824 SdHoareTripleChecker+Invalid, 1534 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 439 IncrementalHoareTripleChecker+Valid, 1095 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-12-02 15:13:03,927 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [475 Valid, 824 Invalid, 1534 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [439 Valid, 1095 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2023-12-02 15:13:03,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 417 states. [2023-12-02 15:13:03,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 417 to 273. [2023-12-02 15:13:03,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 273 states, 165 states have (on average 1.1757575757575758) internal successors, (194), 165 states have internal predecessors, (194), 93 states have call successors, (93), 14 states have call predecessors, (93), 14 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2023-12-02 15:13:03,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 380 transitions. [2023-12-02 15:13:03,953 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 380 transitions. Word has length 198 [2023-12-02 15:13:03,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:13:03,953 INFO L495 AbstractCegarLoop]: Abstraction has 273 states and 380 transitions. [2023-12-02 15:13:03,953 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 4.666666666666667) internal successors, (98), 20 states have internal predecessors, (98), 6 states have call successors, (66), 4 states have call predecessors, (66), 8 states have return successors, (69), 6 states have call predecessors, (69), 6 states have call successors, (69) [2023-12-02 15:13:03,953 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 380 transitions. [2023-12-02 15:13:03,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2023-12-02 15:13:03,954 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:13:03,955 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:13:03,967 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eec7844-1c2e-481f-b0f9-7dcf0ae0b1fa/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)] Forceful destruction successful, exit code 0 [2023-12-02 15:13:04,161 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eec7844-1c2e-481f-b0f9-7dcf0ae0b1fa/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2023-12-02 15:13:04,369 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eec7844-1c2e-481f-b0f9-7dcf0ae0b1fa/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-12-02 15:13:04,555 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eec7844-1c2e-481f-b0f9-7dcf0ae0b1fa/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eec7844-1c2e-481f-b0f9-7dcf0ae0b1fa/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eec7844-1c2e-481f-b0f9-7dcf0ae0b1fa/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 15:13:04,556 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:13:04,556 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:13:04,556 INFO L85 PathProgramCache]: Analyzing trace with hash 1645230949, now seen corresponding path program 1 times [2023-12-02 15:13:04,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 15:13:04,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [659196102] [2023-12-02 15:13:04,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:13:04,557 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 15:13:04,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eec7844-1c2e-481f-b0f9-7dcf0ae0b1fa/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 15:13:04,558 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eec7844-1c2e-481f-b0f9-7dcf0ae0b1fa/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 15:13:04,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eec7844-1c2e-481f-b0f9-7dcf0ae0b1fa/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 15:13:04,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:13:04,928 INFO L262 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 25 conjunts are in the unsatisfiable core [2023-12-02 15:13:04,934 INFO L285 TraceCheckSpWp]: Computing forward predicates...