./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-78.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd544a28-a220-405b-a703-216da0e26898/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd544a28-a220-405b-a703-216da0e26898/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_fd544a28-a220-405b-a703-216da0e26898/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd544a28-a220-405b-a703-216da0e26898/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-78.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd544a28-a220-405b-a703-216da0e26898/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_fd544a28-a220-405b-a703-216da0e26898/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 ee2e1821328b1b054a61bc5eb26b8f9eaee46050974a9587636fea1af78a34a8 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 12:51:53,062 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 12:51:53,130 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd544a28-a220-405b-a703-216da0e26898/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-12-02 12:51:53,134 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 12:51:53,135 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 12:51:53,159 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 12:51:53,160 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 12:51:53,161 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 12:51:53,161 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 12:51:53,162 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 12:51:53,163 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 12:51:53,163 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 12:51:53,164 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 12:51:53,164 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 12:51:53,165 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 12:51:53,165 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 12:51:53,166 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 12:51:53,166 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 12:51:53,167 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 12:51:53,167 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 12:51:53,168 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 12:51:53,169 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 12:51:53,169 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 12:51:53,170 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 12:51:53,170 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 12:51:53,171 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 12:51:53,171 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 12:51:53,171 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 12:51:53,172 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 12:51:53,172 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 12:51:53,173 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 12:51:53,173 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 12:51:53,173 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 12:51:53,173 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 12:51:53,174 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 12:51:53,174 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 12:51:53,174 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 12:51:53,174 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 12:51:53,175 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 12:51:53,175 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 12:51:53,175 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 12:51:53,176 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 12:51:53,176 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 12:51:53,176 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 12:51:53,176 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 12:51:53,176 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 12:51:53,177 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 12:51:53,177 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_fd544a28-a220-405b-a703-216da0e26898/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd544a28-a220-405b-a703-216da0e26898/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ee2e1821328b1b054a61bc5eb26b8f9eaee46050974a9587636fea1af78a34a8 [2023-12-02 12:51:53,397 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 12:51:53,416 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 12:51:53,419 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 12:51:53,420 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 12:51:53,420 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 12:51:53,422 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd544a28-a220-405b-a703-216da0e26898/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-78.i [2023-12-02 12:51:56,136 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 12:51:56,368 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 12:51:56,368 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd544a28-a220-405b-a703-216da0e26898/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-78.i [2023-12-02 12:51:56,379 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd544a28-a220-405b-a703-216da0e26898/bin/utaipan-verify-nQ1chXbOIh/data/230cc20af/3a50f59166a645e5bc4b6c92c02229f0/FLAGf957fc2ea [2023-12-02 12:51:56,393 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd544a28-a220-405b-a703-216da0e26898/bin/utaipan-verify-nQ1chXbOIh/data/230cc20af/3a50f59166a645e5bc4b6c92c02229f0 [2023-12-02 12:51:56,396 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 12:51:56,397 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 12:51:56,399 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 12:51:56,399 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 12:51:56,404 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 12:51:56,405 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:51:56" (1/1) ... [2023-12-02 12:51:56,406 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@768f625a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:51:56, skipping insertion in model container [2023-12-02 12:51:56,406 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:51:56" (1/1) ... [2023-12-02 12:51:56,443 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 12:51:56,589 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_fd544a28-a220-405b-a703-216da0e26898/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-78.i[919,932] [2023-12-02 12:51:56,675 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 12:51:56,689 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 12:51:56,701 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_fd544a28-a220-405b-a703-216da0e26898/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-78.i[919,932] [2023-12-02 12:51:56,740 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 12:51:56,757 INFO L206 MainTranslator]: Completed translation [2023-12-02 12:51:56,758 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:51:56 WrapperNode [2023-12-02 12:51:56,758 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 12:51:56,759 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 12:51:56,759 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 12:51:56,759 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 12:51:56,767 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:51:56" (1/1) ... [2023-12-02 12:51:56,784 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:51:56" (1/1) ... [2023-12-02 12:51:56,841 INFO L138 Inliner]: procedures = 26, calls = 45, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 295 [2023-12-02 12:51:56,842 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 12:51:56,842 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 12:51:56,842 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 12:51:56,843 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 12:51:56,853 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:51:56" (1/1) ... [2023-12-02 12:51:56,853 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:51:56" (1/1) ... [2023-12-02 12:51:56,860 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:51:56" (1/1) ... [2023-12-02 12:51:56,860 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:51:56" (1/1) ... [2023-12-02 12:51:56,886 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:51:56" (1/1) ... [2023-12-02 12:51:56,892 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:51:56" (1/1) ... [2023-12-02 12:51:56,897 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:51:56" (1/1) ... [2023-12-02 12:51:56,901 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:51:56" (1/1) ... [2023-12-02 12:51:56,908 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 12:51:56,909 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 12:51:56,909 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 12:51:56,909 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 12:51:56,910 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:51:56" (1/1) ... [2023-12-02 12:51:56,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 12:51:56,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd544a28-a220-405b-a703-216da0e26898/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 12:51:56,939 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd544a28-a220-405b-a703-216da0e26898/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 12:51:56,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd544a28-a220-405b-a703-216da0e26898/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 12:51:56,971 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 12:51:56,972 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 12:51:56,972 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 12:51:56,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 12:51:56,972 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 12:51:56,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 12:51:57,084 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 12:51:57,087 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 12:51:57,588 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 12:51:57,988 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 12:51:57,989 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 12:51:57,990 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:51:57 BoogieIcfgContainer [2023-12-02 12:51:57,990 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 12:51:57,993 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 12:51:57,993 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 12:51:57,996 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 12:51:57,996 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 12:51:56" (1/3) ... [2023-12-02 12:51:57,997 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31b95ce0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:51:57, skipping insertion in model container [2023-12-02 12:51:57,997 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:51:56" (2/3) ... [2023-12-02 12:51:57,998 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31b95ce0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:51:57, skipping insertion in model container [2023-12-02 12:51:57,998 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:51:57" (3/3) ... [2023-12-02 12:51:57,999 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-co_file-78.i [2023-12-02 12:51:58,018 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 12:51:58,019 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 12:51:58,068 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 12:51:58,075 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;@6d245070, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 12:51:58,075 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 12:51:58,080 INFO L276 IsEmpty]: Start isEmpty. Operand has 59 states, 24 states have (on average 1.125) internal successors, (27), 25 states have internal predecessors, (27), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2023-12-02 12:51:58,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-12-02 12:51:58,094 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:51:58,094 INFO L195 NwaCegarLoop]: trace histogram [32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:51:58,095 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 12:51:58,100 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:51:58,100 INFO L85 PathProgramCache]: Analyzing trace with hash 1704441617, now seen corresponding path program 1 times [2023-12-02 12:51:58,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:51:58,109 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [377189317] [2023-12-02 12:51:58,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:51:58,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:51:58,262 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 12:51:58,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [369320176] [2023-12-02 12:51:58,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:51:58,263 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 12:51:58,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd544a28-a220-405b-a703-216da0e26898/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 12:51:58,270 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd544a28-a220-405b-a703-216da0e26898/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 12:51:58,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd544a28-a220-405b-a703-216da0e26898/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 12:51:58,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 12:51:58,550 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 12:51:58,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 12:51:58,866 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-12-02 12:51:58,869 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 12:51:58,870 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-02 12:51:58,881 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd544a28-a220-405b-a703-216da0e26898/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-02 12:51:59,072 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd544a28-a220-405b-a703-216da0e26898/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-12-02 12:51:59,077 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-12-02 12:51:59,081 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 12:51:59,197 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 12:51:59 BoogieIcfgContainer [2023-12-02 12:51:59,197 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 12:51:59,198 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 12:51:59,198 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 12:51:59,198 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 12:51:59,199 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:51:57" (3/4) ... [2023-12-02 12:51:59,201 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 12:51:59,202 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 12:51:59,203 INFO L158 Benchmark]: Toolchain (without parser) took 2805.49ms. Allocated memory is still 148.9MB. Free memory was 116.5MB in the beginning and 84.8MB in the end (delta: 31.7MB). Peak memory consumption was 33.4MB. Max. memory is 16.1GB. [2023-12-02 12:51:59,203 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 117.4MB. Free memory was 85.8MB in the beginning and 85.8MB in the end (delta: 27.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 12:51:59,204 INFO L158 Benchmark]: CACSL2BoogieTranslator took 359.67ms. Allocated memory is still 148.9MB. Free memory was 116.0MB in the beginning and 98.7MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-02 12:51:59,205 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.59ms. Allocated memory is still 148.9MB. Free memory was 98.7MB in the beginning and 90.3MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-12-02 12:51:59,205 INFO L158 Benchmark]: Boogie Preprocessor took 65.98ms. Allocated memory is still 148.9MB. Free memory was 90.3MB in the beginning and 86.7MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 12:51:59,206 INFO L158 Benchmark]: RCFGBuilder took 1081.40ms. Allocated memory is still 148.9MB. Free memory was 86.7MB in the beginning and 89.0MB in the end (delta: -2.4MB). Peak memory consumption was 43.0MB. Max. memory is 16.1GB. [2023-12-02 12:51:59,207 INFO L158 Benchmark]: TraceAbstraction took 1204.39ms. Allocated memory is still 148.9MB. Free memory was 88.8MB in the beginning and 85.9MB in the end (delta: 3.0MB). Peak memory consumption was 3.0MB. Max. memory is 16.1GB. [2023-12-02 12:51:59,207 INFO L158 Benchmark]: Witness Printer took 4.08ms. Allocated memory is still 148.9MB. Free memory was 85.9MB in the beginning and 84.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 12:51:59,210 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 117.4MB. Free memory was 85.8MB in the beginning and 85.8MB in the end (delta: 27.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 359.67ms. Allocated memory is still 148.9MB. Free memory was 116.0MB in the beginning and 98.7MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.59ms. Allocated memory is still 148.9MB. Free memory was 98.7MB in the beginning and 90.3MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 65.98ms. Allocated memory is still 148.9MB. Free memory was 90.3MB in the beginning and 86.7MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1081.40ms. Allocated memory is still 148.9MB. Free memory was 86.7MB in the beginning and 89.0MB in the end (delta: -2.4MB). Peak memory consumption was 43.0MB. Max. memory is 16.1GB. * TraceAbstraction took 1204.39ms. Allocated memory is still 148.9MB. Free memory was 88.8MB in the beginning and 85.9MB in the end (delta: 3.0MB). Peak memory consumption was 3.0MB. Max. memory is 16.1GB. * Witness Printer took 4.08ms. Allocated memory is still 148.9MB. Free memory was 85.9MB in the beginning and 84.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 67, overapproximation of someBinaryArithmeticDOUBLEoperation at line 78, overapproximation of bitwiseAnd at line 87, overapproximation of someBinaryDOUBLEComparisonOperation at line 80. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = -4; [L23] unsigned char var_1_3 = 64; [L24] unsigned char var_1_4 = 0; [L25] unsigned char var_1_5 = 2; [L26] unsigned short int var_1_6 = 10; [L27] double var_1_8 = 1.875; [L28] signed long int var_1_9 = -4; [L29] double var_1_10 = 63.5; [L30] double var_1_11 = 255.375; [L31] double var_1_12 = 999999999.525; [L32] double var_1_13 = 63.75; [L33] double var_1_14 = 0.625; [L34] unsigned short int var_1_15 = 5; [L35] signed char var_1_16 = 4; [L36] signed char var_1_17 = 0; [L37] signed char var_1_18 = -2; [L38] signed char var_1_19 = 1; [L39] unsigned short int var_1_20 = 50; [L40] unsigned short int var_1_21 = 0; [L41] unsigned char var_1_22 = 2; [L42] unsigned char var_1_23 = 32; [L43] unsigned short int var_1_24 = 8; [L44] unsigned short int var_1_26 = 26914; [L45] unsigned short int var_1_27 = 26182; [L46] unsigned char var_1_28 = 5; [L47] unsigned char var_1_29 = 50; [L48] unsigned char var_1_30 = 10; [L49] signed long int var_1_31 = -32; [L50] unsigned char var_1_32 = 0; [L51] unsigned char var_1_33 = 1; [L52] unsigned char var_1_34 = 0; [L53] signed long int var_1_35 = 1000000; [L54] signed long int var_1_36 = 64; [L55] unsigned char last_1_var_1_3 = 64; [L56] unsigned short int last_1_var_1_6 = 10; [L57] unsigned short int last_1_var_1_15 = 5; [L58] unsigned short int last_1_var_1_20 = 50; [L59] unsigned short int last_1_var_1_21 = 0; [L191] isInitial = 1 [L192] FCALL initially() [L193] COND TRUE 1 [L194] CALL updateLastVariables() [L180] last_1_var_1_3 = var_1_3 [L181] last_1_var_1_6 = var_1_6 [L182] last_1_var_1_15 = var_1_15 [L183] last_1_var_1_20 = var_1_20 [L184] last_1_var_1_21 = var_1_21 [L194] RET updateLastVariables() [L195] CALL updateVariables() [L128] var_1_4 = __VERIFIER_nondet_uchar() [L129] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=32, var_1_24=8, var_1_26=26914, var_1_27=26182, var_1_28=5, var_1_29=50, var_1_30=10, var_1_31=-32, var_1_32=0, var_1_33=1, var_1_34=0, var_1_35=1000000, var_1_36=64, var_1_3=64, var_1_5=2, var_1_6=10, var_1_8=15/8, var_1_9=-4] [L20] COND FALSE !(!cond) [L129] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=32, var_1_24=8, var_1_26=26914, var_1_27=26182, var_1_28=5, var_1_29=50, var_1_30=10, var_1_31=-32, var_1_32=0, var_1_33=1, var_1_34=0, var_1_35=1000000, var_1_36=64, var_1_3=64, var_1_5=2, var_1_6=10, var_1_8=15/8, var_1_9=-4] [L130] CALL assume_abort_if_not(var_1_4 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=32, var_1_24=8, var_1_26=26914, var_1_27=26182, var_1_28=5, var_1_29=50, var_1_30=10, var_1_31=-32, var_1_32=0, var_1_33=1, var_1_34=0, var_1_35=1000000, var_1_36=64, var_1_3=64, var_1_4=223, var_1_5=2, var_1_6=10, var_1_8=15/8, var_1_9=-4] [L20] COND FALSE !(!cond) [L130] RET assume_abort_if_not(var_1_4 <= 254) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=32, var_1_24=8, var_1_26=26914, var_1_27=26182, var_1_28=5, var_1_29=50, var_1_30=10, var_1_31=-32, var_1_32=0, var_1_33=1, var_1_34=0, var_1_35=1000000, var_1_36=64, var_1_3=64, var_1_4=223, var_1_5=2, var_1_6=10, var_1_8=15/8, var_1_9=-4] [L131] var_1_5 = __VERIFIER_nondet_uchar() [L132] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=32, var_1_24=8, var_1_26=26914, var_1_27=26182, var_1_28=5, var_1_29=50, var_1_30=10, var_1_31=-32, var_1_32=0, var_1_33=1, var_1_34=0, var_1_35=1000000, var_1_36=64, var_1_3=64, var_1_4=223, var_1_6=10, var_1_8=15/8, var_1_9=-4] [L20] COND FALSE !(!cond) [L132] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=32, var_1_24=8, var_1_26=26914, var_1_27=26182, var_1_28=5, var_1_29=50, var_1_30=10, var_1_31=-32, var_1_32=0, var_1_33=1, var_1_34=0, var_1_35=1000000, var_1_36=64, var_1_3=64, var_1_4=223, var_1_6=10, var_1_8=15/8, var_1_9=-4] [L133] CALL assume_abort_if_not(var_1_5 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=32, var_1_24=8, var_1_26=26914, var_1_27=26182, var_1_28=5, var_1_29=50, var_1_30=10, var_1_31=-32, var_1_32=0, var_1_33=1, var_1_34=0, var_1_35=1000000, var_1_36=64, var_1_3=64, var_1_4=223, var_1_5=131, var_1_6=10, var_1_8=15/8, var_1_9=-4] [L20] COND FALSE !(!cond) [L133] RET assume_abort_if_not(var_1_5 <= 254) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=32, var_1_24=8, var_1_26=26914, var_1_27=26182, var_1_28=5, var_1_29=50, var_1_30=10, var_1_31=-32, var_1_32=0, var_1_33=1, var_1_34=0, var_1_35=1000000, var_1_36=64, var_1_3=64, var_1_4=223, var_1_5=131, var_1_6=10, var_1_8=15/8, var_1_9=-4] [L134] var_1_9 = __VERIFIER_nondet_long() [L135] CALL assume_abort_if_not(var_1_9 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=32, var_1_24=8, var_1_26=26914, var_1_27=26182, var_1_28=5, var_1_29=50, var_1_30=10, var_1_31=-32, var_1_32=0, var_1_33=1, var_1_34=0, var_1_35=1000000, var_1_36=64, var_1_3=64, var_1_4=223, var_1_5=131, var_1_6=10, var_1_8=15/8, var_1_9=66] [L20] COND FALSE !(!cond) [L135] RET assume_abort_if_not(var_1_9 >= -2147483648) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=32, var_1_24=8, var_1_26=26914, var_1_27=26182, var_1_28=5, var_1_29=50, var_1_30=10, var_1_31=-32, var_1_32=0, var_1_33=1, var_1_34=0, var_1_35=1000000, var_1_36=64, var_1_3=64, var_1_4=223, var_1_5=131, var_1_6=10, var_1_8=15/8, var_1_9=66] [L136] CALL assume_abort_if_not(var_1_9 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=32, var_1_24=8, var_1_26=26914, var_1_27=26182, var_1_28=5, var_1_29=50, var_1_30=10, var_1_31=-32, var_1_32=0, var_1_33=1, var_1_34=0, var_1_35=1000000, var_1_36=64, var_1_3=64, var_1_4=223, var_1_5=131, var_1_6=10, var_1_8=15/8, var_1_9=66] [L20] COND FALSE !(!cond) [L136] RET assume_abort_if_not(var_1_9 <= 2147483647) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=32, var_1_24=8, var_1_26=26914, var_1_27=26182, var_1_28=5, var_1_29=50, var_1_30=10, var_1_31=-32, var_1_32=0, var_1_33=1, var_1_34=0, var_1_35=1000000, var_1_36=64, var_1_3=64, var_1_4=223, var_1_5=131, var_1_6=10, var_1_8=15/8, var_1_9=66] [L137] CALL assume_abort_if_not(var_1_9 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=32, var_1_24=8, var_1_26=26914, var_1_27=26182, var_1_28=5, var_1_29=50, var_1_30=10, var_1_31=-32, var_1_32=0, var_1_33=1, var_1_34=0, var_1_35=1000000, var_1_36=64, var_1_3=64, var_1_4=223, var_1_5=131, var_1_6=10, var_1_8=15/8, var_1_9=66] [L20] COND FALSE !(!cond) [L137] RET assume_abort_if_not(var_1_9 != 0) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=32, var_1_24=8, var_1_26=26914, var_1_27=26182, var_1_28=5, var_1_29=50, var_1_30=10, var_1_31=-32, var_1_32=0, var_1_33=1, var_1_34=0, var_1_35=1000000, var_1_36=64, var_1_3=64, var_1_4=223, var_1_5=131, var_1_6=10, var_1_8=15/8, var_1_9=66] [L138] var_1_10 = __VERIFIER_nondet_double() [L139] CALL assume_abort_if_not((var_1_10 >= 0.0F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=32, var_1_24=8, var_1_26=26914, var_1_27=26182, var_1_28=5, var_1_29=50, var_1_30=10, var_1_31=-32, var_1_32=0, var_1_33=1, var_1_34=0, var_1_35=1000000, var_1_36=64, var_1_3=64, var_1_4=223, var_1_5=131, var_1_6=10, var_1_8=15/8, var_1_9=66] [L20] COND FALSE !(!cond) [L139] RET assume_abort_if_not((var_1_10 >= 0.0F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=32, var_1_24=8, var_1_26=26914, var_1_27=26182, var_1_28=5, var_1_29=50, var_1_30=10, var_1_31=-32, var_1_32=0, var_1_33=1, var_1_34=0, var_1_35=1000000, var_1_36=64, var_1_3=64, var_1_4=223, var_1_5=131, var_1_6=10, var_1_8=15/8, var_1_9=66] [L140] var_1_11 = __VERIFIER_nondet_double() [L141] CALL assume_abort_if_not((var_1_11 >= 0.0F && 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_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=32, var_1_24=8, var_1_26=26914, var_1_27=26182, var_1_28=5, var_1_29=50, var_1_30=10, var_1_31=-32, var_1_32=0, var_1_33=1, var_1_34=0, var_1_35=1000000, var_1_36=64, var_1_3=64, var_1_4=223, var_1_5=131, var_1_6=10, var_1_8=15/8, var_1_9=66] [L20] COND FALSE !(!cond) [L141] RET assume_abort_if_not((var_1_11 >= 0.0F && 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_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=32, var_1_24=8, var_1_26=26914, var_1_27=26182, var_1_28=5, var_1_29=50, var_1_30=10, var_1_31=-32, var_1_32=0, var_1_33=1, var_1_34=0, var_1_35=1000000, var_1_36=64, var_1_3=64, var_1_4=223, var_1_5=131, var_1_6=10, var_1_8=15/8, var_1_9=66] [L142] var_1_12 = __VERIFIER_nondet_double() [L143] CALL assume_abort_if_not((var_1_12 >= 0.0F && 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_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=32, var_1_24=8, var_1_26=26914, var_1_27=26182, var_1_28=5, var_1_29=50, var_1_30=10, var_1_31=-32, var_1_32=0, var_1_33=1, var_1_34=0, var_1_35=1000000, var_1_36=64, var_1_3=64, var_1_4=223, var_1_5=131, var_1_6=10, var_1_8=15/8, var_1_9=66] [L20] COND FALSE !(!cond) [L143] RET assume_abort_if_not((var_1_12 >= 0.0F && 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_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=32, var_1_24=8, var_1_26=26914, var_1_27=26182, var_1_28=5, var_1_29=50, var_1_30=10, var_1_31=-32, var_1_32=0, var_1_33=1, var_1_34=0, var_1_35=1000000, var_1_36=64, var_1_3=64, var_1_4=223, var_1_5=131, var_1_6=10, var_1_8=15/8, var_1_9=66] [L144] var_1_13 = __VERIFIER_nondet_double() [L145] CALL assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 4611686.018427382800e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=32, var_1_24=8, var_1_26=26914, var_1_27=26182, var_1_28=5, var_1_29=50, var_1_30=10, var_1_31=-32, var_1_32=0, var_1_33=1, var_1_34=0, var_1_35=1000000, var_1_36=64, var_1_3=64, var_1_4=223, var_1_5=131, var_1_6=10, var_1_8=15/8, var_1_9=66] [L20] COND FALSE !(!cond) [L145] RET assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 4611686.018427382800e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=32, var_1_24=8, var_1_26=26914, var_1_27=26182, var_1_28=5, var_1_29=50, var_1_30=10, var_1_31=-32, var_1_32=0, var_1_33=1, var_1_34=0, var_1_35=1000000, var_1_36=64, var_1_3=64, var_1_4=223, var_1_5=131, var_1_6=10, var_1_8=15/8, var_1_9=66] [L146] var_1_14 = __VERIFIER_nondet_double() [L147] CALL assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=32, var_1_24=8, var_1_26=26914, var_1_27=26182, var_1_28=5, var_1_29=50, var_1_30=10, var_1_31=-32, var_1_32=0, var_1_33=1, var_1_34=0, var_1_35=1000000, var_1_36=64, var_1_3=64, var_1_4=223, var_1_5=131, var_1_6=10, var_1_8=15/8, var_1_9=66] [L20] COND FALSE !(!cond) [L147] RET assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=32, var_1_24=8, var_1_26=26914, var_1_27=26182, var_1_28=5, var_1_29=50, var_1_30=10, var_1_31=-32, var_1_32=0, var_1_33=1, var_1_34=0, var_1_35=1000000, var_1_36=64, var_1_3=64, var_1_4=223, var_1_5=131, var_1_6=10, var_1_8=15/8, var_1_9=66] [L148] var_1_17 = __VERIFIER_nondet_char() [L149] CALL assume_abort_if_not(var_1_17 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=1, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=32, var_1_24=8, var_1_26=26914, var_1_27=26182, var_1_28=5, var_1_29=50, var_1_30=10, var_1_31=-32, var_1_32=0, var_1_33=1, var_1_34=0, var_1_35=1000000, var_1_36=64, var_1_3=64, var_1_4=223, var_1_5=131, var_1_6=10, var_1_8=15/8, var_1_9=66] [L20] COND FALSE !(!cond) [L149] RET assume_abort_if_not(var_1_17 >= -63) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=1, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=32, var_1_24=8, var_1_26=26914, var_1_27=26182, var_1_28=5, var_1_29=50, var_1_30=10, var_1_31=-32, var_1_32=0, var_1_33=1, var_1_34=0, var_1_35=1000000, var_1_36=64, var_1_3=64, var_1_4=223, var_1_5=131, var_1_6=10, var_1_8=15/8, var_1_9=66] [L150] CALL assume_abort_if_not(var_1_17 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=1, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=32, var_1_24=8, var_1_26=26914, var_1_27=26182, var_1_28=5, var_1_29=50, var_1_30=10, var_1_31=-32, var_1_32=0, var_1_33=1, var_1_34=0, var_1_35=1000000, var_1_36=64, var_1_3=64, var_1_4=223, var_1_5=131, var_1_6=10, var_1_8=15/8, var_1_9=66] [L20] COND FALSE !(!cond) [L150] RET assume_abort_if_not(var_1_17 <= 63) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=1, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=32, var_1_24=8, var_1_26=26914, var_1_27=26182, var_1_28=5, var_1_29=50, var_1_30=10, var_1_31=-32, var_1_32=0, var_1_33=1, var_1_34=0, var_1_35=1000000, var_1_36=64, var_1_3=64, var_1_4=223, var_1_5=131, var_1_6=10, var_1_8=15/8, var_1_9=66] [L151] var_1_18 = __VERIFIER_nondet_char() [L152] CALL assume_abort_if_not(var_1_18 >= -31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=1, var_1_18=-31, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=32, var_1_24=8, var_1_26=26914, var_1_27=26182, var_1_28=5, var_1_29=50, var_1_30=10, var_1_31=-32, var_1_32=0, var_1_33=1, var_1_34=0, var_1_35=1000000, var_1_36=64, var_1_3=64, var_1_4=223, var_1_5=131, var_1_6=10, var_1_8=15/8, var_1_9=66] [L20] COND FALSE !(!cond) [L152] RET assume_abort_if_not(var_1_18 >= -31) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=1, var_1_18=-31, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=32, var_1_24=8, var_1_26=26914, var_1_27=26182, var_1_28=5, var_1_29=50, var_1_30=10, var_1_31=-32, var_1_32=0, var_1_33=1, var_1_34=0, var_1_35=1000000, var_1_36=64, var_1_3=64, var_1_4=223, var_1_5=131, var_1_6=10, var_1_8=15/8, var_1_9=66] [L153] CALL assume_abort_if_not(var_1_18 <= 32) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=1, var_1_18=-31, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=32, var_1_24=8, var_1_26=26914, var_1_27=26182, var_1_28=5, var_1_29=50, var_1_30=10, var_1_31=-32, var_1_32=0, var_1_33=1, var_1_34=0, var_1_35=1000000, var_1_36=64, var_1_3=64, var_1_4=223, var_1_5=131, var_1_6=10, var_1_8=15/8, var_1_9=66] [L20] COND FALSE !(!cond) [L153] RET assume_abort_if_not(var_1_18 <= 32) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=1, var_1_18=-31, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=32, var_1_24=8, var_1_26=26914, var_1_27=26182, var_1_28=5, var_1_29=50, var_1_30=10, var_1_31=-32, var_1_32=0, var_1_33=1, var_1_34=0, var_1_35=1000000, var_1_36=64, var_1_3=64, var_1_4=223, var_1_5=131, var_1_6=10, var_1_8=15/8, var_1_9=66] [L154] var_1_19 = __VERIFIER_nondet_char() [L155] CALL assume_abort_if_not(var_1_19 >= -31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=1, var_1_18=-31, var_1_19=31, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=32, var_1_24=8, var_1_26=26914, var_1_27=26182, var_1_28=5, var_1_29=50, var_1_30=10, var_1_31=-32, var_1_32=0, var_1_33=1, var_1_34=0, var_1_35=1000000, var_1_36=64, var_1_3=64, var_1_4=223, var_1_5=131, var_1_6=10, var_1_8=15/8, var_1_9=66] [L20] COND FALSE !(!cond) [L155] RET assume_abort_if_not(var_1_19 >= -31) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=1, var_1_18=-31, var_1_19=31, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=32, var_1_24=8, var_1_26=26914, var_1_27=26182, var_1_28=5, var_1_29=50, var_1_30=10, var_1_31=-32, var_1_32=0, var_1_33=1, var_1_34=0, var_1_35=1000000, var_1_36=64, var_1_3=64, var_1_4=223, var_1_5=131, var_1_6=10, var_1_8=15/8, var_1_9=66] [L156] CALL assume_abort_if_not(var_1_19 <= 31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=1, var_1_18=-31, var_1_19=31, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=32, var_1_24=8, var_1_26=26914, var_1_27=26182, var_1_28=5, var_1_29=50, var_1_30=10, var_1_31=-32, var_1_32=0, var_1_33=1, var_1_34=0, var_1_35=1000000, var_1_36=64, var_1_3=64, var_1_4=223, var_1_5=131, var_1_6=10, var_1_8=15/8, var_1_9=66] [L20] COND FALSE !(!cond) [L156] RET assume_abort_if_not(var_1_19 <= 31) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=1, var_1_18=-31, var_1_19=31, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=32, var_1_24=8, var_1_26=26914, var_1_27=26182, var_1_28=5, var_1_29=50, var_1_30=10, var_1_31=-32, var_1_32=0, var_1_33=1, var_1_34=0, var_1_35=1000000, var_1_36=64, var_1_3=64, var_1_4=223, var_1_5=131, var_1_6=10, var_1_8=15/8, var_1_9=66] [L157] var_1_23 = __VERIFIER_nondet_uchar() [L158] CALL assume_abort_if_not(var_1_23 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=1, var_1_18=-31, var_1_19=31, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_24=8, var_1_26=26914, var_1_27=26182, var_1_28=5, var_1_29=50, var_1_30=10, var_1_31=-32, var_1_32=0, var_1_33=1, var_1_34=0, var_1_35=1000000, var_1_36=64, var_1_3=64, var_1_4=223, var_1_5=131, var_1_6=10, var_1_8=15/8, var_1_9=66] [L20] COND FALSE !(!cond) [L158] RET assume_abort_if_not(var_1_23 >= 0) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=1, var_1_18=-31, var_1_19=31, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_24=8, var_1_26=26914, var_1_27=26182, var_1_28=5, var_1_29=50, var_1_30=10, var_1_31=-32, var_1_32=0, var_1_33=1, var_1_34=0, var_1_35=1000000, var_1_36=64, var_1_3=64, var_1_4=223, var_1_5=131, var_1_6=10, var_1_8=15/8, var_1_9=66] [L159] CALL assume_abort_if_not(var_1_23 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=1, var_1_18=-31, var_1_19=31, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=10, var_1_24=8, var_1_26=26914, var_1_27=26182, var_1_28=5, var_1_29=50, var_1_30=10, var_1_31=-32, var_1_32=0, var_1_33=1, var_1_34=0, var_1_35=1000000, var_1_36=64, var_1_3=64, var_1_4=223, var_1_5=131, var_1_6=10, var_1_8=15/8, var_1_9=66] [L20] COND FALSE !(!cond) [L159] RET assume_abort_if_not(var_1_23 <= 254) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=1, var_1_18=-31, var_1_19=31, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=10, var_1_24=8, var_1_26=26914, var_1_27=26182, var_1_28=5, var_1_29=50, var_1_30=10, var_1_31=-32, var_1_32=0, var_1_33=1, var_1_34=0, var_1_35=1000000, var_1_36=64, var_1_3=64, var_1_4=223, var_1_5=131, var_1_6=10, var_1_8=15/8, var_1_9=66] [L160] var_1_26 = __VERIFIER_nondet_ushort() [L161] CALL assume_abort_if_not(var_1_26 >= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=1, var_1_18=-31, var_1_19=31, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=10, var_1_24=8, var_1_26=32766, var_1_27=26182, var_1_28=5, var_1_29=50, var_1_30=10, var_1_31=-32, var_1_32=0, var_1_33=1, var_1_34=0, var_1_35=1000000, var_1_36=64, var_1_3=64, var_1_4=223, var_1_5=131, var_1_6=10, var_1_8=15/8, var_1_9=66] [L20] COND FALSE !(!cond) [L161] RET assume_abort_if_not(var_1_26 >= 16383) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=1, var_1_18=-31, var_1_19=31, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=10, var_1_24=8, var_1_26=32766, var_1_27=26182, var_1_28=5, var_1_29=50, var_1_30=10, var_1_31=-32, var_1_32=0, var_1_33=1, var_1_34=0, var_1_35=1000000, var_1_36=64, var_1_3=64, var_1_4=223, var_1_5=131, var_1_6=10, var_1_8=15/8, var_1_9=66] [L162] CALL assume_abort_if_not(var_1_26 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=1, var_1_18=-31, var_1_19=31, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=10, var_1_24=8, var_1_26=32766, var_1_27=26182, var_1_28=5, var_1_29=50, var_1_30=10, var_1_31=-32, var_1_32=0, var_1_33=1, var_1_34=0, var_1_35=1000000, var_1_36=64, var_1_3=64, var_1_4=223, var_1_5=131, var_1_6=10, var_1_8=15/8, var_1_9=66] [L20] COND FALSE !(!cond) [L162] RET assume_abort_if_not(var_1_26 <= 32767) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=1, var_1_18=-31, var_1_19=31, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=10, var_1_24=8, var_1_26=32766, var_1_27=26182, var_1_28=5, var_1_29=50, var_1_30=10, var_1_31=-32, var_1_32=0, var_1_33=1, var_1_34=0, var_1_35=1000000, var_1_36=64, var_1_3=64, var_1_4=223, var_1_5=131, var_1_6=10, var_1_8=15/8, var_1_9=66] [L163] var_1_27 = __VERIFIER_nondet_ushort() [L164] CALL assume_abort_if_not(var_1_27 >= 16384) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=1, var_1_18=-31, var_1_19=31, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=10, var_1_24=8, var_1_26=32766, var_1_27=32767, var_1_28=5, var_1_29=50, var_1_30=10, var_1_31=-32, var_1_32=0, var_1_33=1, var_1_34=0, var_1_35=1000000, var_1_36=64, var_1_3=64, var_1_4=223, var_1_5=131, var_1_6=10, var_1_8=15/8, var_1_9=66] [L20] COND FALSE !(!cond) [L164] RET assume_abort_if_not(var_1_27 >= 16384) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=1, var_1_18=-31, var_1_19=31, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=10, var_1_24=8, var_1_26=32766, var_1_27=32767, var_1_28=5, var_1_29=50, var_1_30=10, var_1_31=-32, var_1_32=0, var_1_33=1, var_1_34=0, var_1_35=1000000, var_1_36=64, var_1_3=64, var_1_4=223, var_1_5=131, var_1_6=10, var_1_8=15/8, var_1_9=66] [L165] CALL assume_abort_if_not(var_1_27 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=1, var_1_18=-31, var_1_19=31, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=10, var_1_24=8, var_1_26=32766, var_1_27=32767, var_1_28=5, var_1_29=50, var_1_30=10, var_1_31=-32, var_1_32=0, var_1_33=1, var_1_34=0, var_1_35=1000000, var_1_36=64, var_1_3=64, var_1_4=223, var_1_5=131, var_1_6=10, var_1_8=15/8, var_1_9=66] [L20] COND FALSE !(!cond) [L165] RET assume_abort_if_not(var_1_27 <= 32767) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=1, var_1_18=-31, var_1_19=31, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=10, var_1_24=8, var_1_26=32766, var_1_27=32767, var_1_28=5, var_1_29=50, var_1_30=10, var_1_31=-32, var_1_32=0, var_1_33=1, var_1_34=0, var_1_35=1000000, var_1_36=64, var_1_3=64, var_1_4=223, var_1_5=131, var_1_6=10, var_1_8=15/8, var_1_9=66] [L166] var_1_29 = __VERIFIER_nondet_uchar() [L167] CALL assume_abort_if_not(var_1_29 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=1, var_1_18=-31, var_1_19=31, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=10, var_1_24=8, var_1_26=32766, var_1_27=32767, var_1_28=5, var_1_30=10, var_1_31=-32, var_1_32=0, var_1_33=1, var_1_34=0, var_1_35=1000000, var_1_36=64, var_1_3=64, var_1_4=223, var_1_5=131, var_1_6=10, var_1_8=15/8, var_1_9=66] [L20] COND FALSE !(!cond) [L167] RET assume_abort_if_not(var_1_29 >= 0) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=1, var_1_18=-31, var_1_19=31, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=10, var_1_24=8, var_1_26=32766, var_1_27=32767, var_1_28=5, var_1_30=10, var_1_31=-32, var_1_32=0, var_1_33=1, var_1_34=0, var_1_35=1000000, var_1_36=64, var_1_3=64, var_1_4=223, var_1_5=131, var_1_6=10, var_1_8=15/8, var_1_9=66] [L168] CALL assume_abort_if_not(var_1_29 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=1, var_1_18=-31, var_1_19=31, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=10, var_1_24=8, var_1_26=32766, var_1_27=32767, var_1_28=5, var_1_29=0, var_1_30=10, var_1_31=-32, var_1_32=0, var_1_33=1, var_1_34=0, var_1_35=1000000, var_1_36=64, var_1_3=64, var_1_4=223, var_1_5=131, var_1_6=10, var_1_8=15/8, var_1_9=66] [L20] COND FALSE !(!cond) [L168] RET assume_abort_if_not(var_1_29 <= 127) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=1, var_1_18=-31, var_1_19=31, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=10, var_1_24=8, var_1_26=32766, var_1_27=32767, var_1_28=5, var_1_29=0, var_1_30=10, var_1_31=-32, var_1_32=0, var_1_33=1, var_1_34=0, var_1_35=1000000, var_1_36=64, var_1_3=64, var_1_4=223, var_1_5=131, var_1_6=10, var_1_8=15/8, var_1_9=66] [L169] var_1_30 = __VERIFIER_nondet_uchar() [L170] CALL assume_abort_if_not(var_1_30 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=1, var_1_18=-31, var_1_19=31, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=10, var_1_24=8, var_1_26=32766, var_1_27=32767, var_1_28=5, var_1_29=0, var_1_31=-32, var_1_32=0, var_1_33=1, var_1_34=0, var_1_35=1000000, var_1_36=64, var_1_3=64, var_1_4=223, var_1_5=131, var_1_6=10, var_1_8=15/8, var_1_9=66] [L20] COND FALSE !(!cond) [L170] RET assume_abort_if_not(var_1_30 >= 0) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=1, var_1_18=-31, var_1_19=31, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=10, var_1_24=8, var_1_26=32766, var_1_27=32767, var_1_28=5, var_1_29=0, var_1_31=-32, var_1_32=0, var_1_33=1, var_1_34=0, var_1_35=1000000, var_1_36=64, var_1_3=64, var_1_4=223, var_1_5=131, var_1_6=10, var_1_8=15/8, var_1_9=66] [L171] CALL assume_abort_if_not(var_1_30 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=1, var_1_18=-31, var_1_19=31, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=10, var_1_24=8, var_1_26=32766, var_1_27=32767, var_1_28=5, var_1_29=0, var_1_30=10, var_1_31=-32, var_1_32=0, var_1_33=1, var_1_34=0, var_1_35=1000000, var_1_36=64, var_1_3=64, var_1_4=223, var_1_5=131, var_1_6=10, var_1_8=15/8, var_1_9=66] [L20] COND FALSE !(!cond) [L171] RET assume_abort_if_not(var_1_30 <= 127) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=1, var_1_18=-31, var_1_19=31, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=10, var_1_24=8, var_1_26=32766, var_1_27=32767, var_1_28=5, var_1_29=0, var_1_30=10, var_1_31=-32, var_1_32=0, var_1_33=1, var_1_34=0, var_1_35=1000000, var_1_36=64, var_1_3=64, var_1_4=223, var_1_5=131, var_1_6=10, var_1_8=15/8, var_1_9=66] [L172] var_1_33 = __VERIFIER_nondet_uchar() [L173] CALL assume_abort_if_not(var_1_33 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=1, var_1_18=-31, var_1_19=31, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=10, var_1_24=8, var_1_26=32766, var_1_27=32767, var_1_28=5, var_1_29=0, var_1_30=10, var_1_31=-32, var_1_32=0, var_1_33=1, var_1_34=0, var_1_35=1000000, var_1_36=64, var_1_3=64, var_1_4=223, var_1_5=131, var_1_6=10, var_1_8=15/8, var_1_9=66] [L20] COND FALSE !(!cond) [L173] RET assume_abort_if_not(var_1_33 >= 1) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=1, var_1_18=-31, var_1_19=31, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=10, var_1_24=8, var_1_26=32766, var_1_27=32767, var_1_28=5, var_1_29=0, var_1_30=10, var_1_31=-32, var_1_32=0, var_1_33=1, var_1_34=0, var_1_35=1000000, var_1_36=64, var_1_3=64, var_1_4=223, var_1_5=131, var_1_6=10, var_1_8=15/8, var_1_9=66] [L174] CALL assume_abort_if_not(var_1_33 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=1, var_1_18=-31, var_1_19=31, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=10, var_1_24=8, var_1_26=32766, var_1_27=32767, var_1_28=5, var_1_29=0, var_1_30=10, var_1_31=-32, var_1_32=0, var_1_33=1, var_1_34=0, var_1_35=1000000, var_1_36=64, var_1_3=64, var_1_4=223, var_1_5=131, var_1_6=10, var_1_8=15/8, var_1_9=66] [L20] COND FALSE !(!cond) [L174] RET assume_abort_if_not(var_1_33 <= 1) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=1, var_1_18=-31, var_1_19=31, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=10, var_1_24=8, var_1_26=32766, var_1_27=32767, var_1_28=5, var_1_29=0, var_1_30=10, var_1_31=-32, var_1_32=0, var_1_33=1, var_1_34=0, var_1_35=1000000, var_1_36=64, var_1_3=64, var_1_4=223, var_1_5=131, var_1_6=10, var_1_8=15/8, var_1_9=66] [L175] var_1_34 = __VERIFIER_nondet_uchar() [L176] CALL assume_abort_if_not(var_1_34 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=1, var_1_18=-31, var_1_19=31, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=10, var_1_24=8, var_1_26=32766, var_1_27=32767, var_1_28=5, var_1_29=0, var_1_30=10, var_1_31=-32, var_1_32=0, var_1_33=1, var_1_35=1000000, var_1_36=64, var_1_3=64, var_1_4=223, var_1_5=131, var_1_6=10, var_1_8=15/8, var_1_9=66] [L20] COND FALSE !(!cond) [L176] RET assume_abort_if_not(var_1_34 >= 0) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=1, var_1_18=-31, var_1_19=31, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=10, var_1_24=8, var_1_26=32766, var_1_27=32767, var_1_28=5, var_1_29=0, var_1_30=10, var_1_31=-32, var_1_32=0, var_1_33=1, var_1_35=1000000, var_1_36=64, var_1_3=64, var_1_4=223, var_1_5=131, var_1_6=10, var_1_8=15/8, var_1_9=66] [L177] CALL assume_abort_if_not(var_1_34 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=1, var_1_18=-31, var_1_19=31, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=10, var_1_24=8, var_1_26=32766, var_1_27=32767, var_1_28=5, var_1_29=0, var_1_30=10, var_1_31=-32, var_1_32=0, var_1_33=1, var_1_34=0, var_1_35=1000000, var_1_36=64, var_1_3=64, var_1_4=223, var_1_5=131, var_1_6=10, var_1_8=15/8, var_1_9=66] [L20] COND FALSE !(!cond) [L177] RET assume_abort_if_not(var_1_34 <= 0) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=1, var_1_18=-31, var_1_19=31, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=10, var_1_24=8, var_1_26=32766, var_1_27=32767, var_1_28=5, var_1_29=0, var_1_30=10, var_1_31=-32, var_1_32=0, var_1_33=1, var_1_34=0, var_1_35=1000000, var_1_36=64, var_1_3=64, var_1_4=223, var_1_5=131, var_1_6=10, var_1_8=15/8, var_1_9=66] [L195] RET updateVariables() [L196] CALL step() [L63] signed long int stepLocal_0 = last_1_var_1_21; [L64] COND FALSE !(last_1_var_1_6 < stepLocal_0) [L67] EXPR last_1_var_1_20 ^ last_1_var_1_15 [L67] signed long int stepLocal_2 = last_1_var_1_20 ^ last_1_var_1_15; [L68] unsigned char stepLocal_1 = var_1_5; [L69] COND FALSE !(stepLocal_2 < -256) [L72] COND FALSE !(stepLocal_1 <= 50) [L76] var_1_20 = (((((var_1_5 + var_1_6)) > (var_1_4)) ? ((var_1_5 + var_1_6)) : (var_1_4))) [L77] COND TRUE var_1_3 < (var_1_5 % ((((32) > (var_1_9)) ? (32) : (var_1_9)))) [L78] var_1_8 = ((((((var_1_10) > (var_1_11)) ? (var_1_10) : (var_1_11))) - var_1_12) + (var_1_13 - var_1_14)) [L84] var_1_16 = (var_1_17 + (var_1_18 + ((((var_1_19) < 0 ) ? -(var_1_19) : (var_1_19))))) [L85] var_1_1 = ((((var_1_16) < 0 ) ? -(var_1_16) : (var_1_16))) [L86] unsigned short int stepLocal_3 = var_1_6; [L87] EXPR (var_1_3 * var_1_17) & (var_1_1 * var_1_18) [L87] COND FALSE !(stepLocal_3 == ((var_1_3 * var_1_17) & (var_1_1 * var_1_18))) [L90] COND TRUE ((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))) > var_1_21 [L91] var_1_15 = ((((var_1_3) > ((var_1_5 + var_1_4))) ? (var_1_3) : ((var_1_5 + var_1_4)))) [L93] var_1_22 = var_1_23 [L94] COND FALSE !(((((var_1_6) < (var_1_23)) ? (var_1_6) : (var_1_23))) >= var_1_15) [L97] COND TRUE var_1_27 > 0 [L98] var_1_28 = (((((((((var_1_29 + var_1_30)) > (var_1_23)) ? ((var_1_29 + var_1_30)) : (var_1_23)))) < (0)) ? ((((((var_1_29 + var_1_30)) > (var_1_23)) ? ((var_1_29 + var_1_30)) : (var_1_23)))) : (0))) [L100] COND TRUE var_1_26 != 10 [L101] COND FALSE !(var_1_26 <= var_1_29) [L105] COND TRUE var_1_26 > 100 [L106] EXPR ((((var_1_27) < 0 ) ? -(var_1_27) : (var_1_27))) ^ var_1_26 [L106] COND TRUE (((((var_1_27) < 0 ) ? -(var_1_27) : (var_1_27))) ^ var_1_26) > var_1_21 [L107] var_1_32 = (! var_1_33) [L112] var_1_35 = ((((var_1_26) > (((((var_1_3) < 0 ) ? -(var_1_3) : (var_1_3))))) ? (var_1_26) : (((((var_1_3) < 0 ) ? -(var_1_3) : (var_1_3)))))) [L113] COND FALSE !(var_1_29 > var_1_30) [L120] COND FALSE !(var_1_16 >= var_1_6) [L123] var_1_36 = var_1_23 [L196] RET step() [L197] CALL, EXPR property() [L187] EXPR ((var_1_1 == ((signed long int) ((((var_1_16) < 0 ) ? -(var_1_16) : (var_1_16))))) && ((last_1_var_1_6 < last_1_var_1_21) ? (var_1_3 == ((unsigned char) ((((var_1_4) > (var_1_5)) ? (var_1_4) : (var_1_5))))) : 1)) && (((last_1_var_1_20 ^ last_1_var_1_15) < -256) ? (var_1_6 == ((unsigned short int) (((((((((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) > ((last_1_var_1_20 + last_1_var_1_3))) ? (((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) : ((last_1_var_1_20 + last_1_var_1_3)))) < 0 ) ? -((((((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) > ((last_1_var_1_20 + last_1_var_1_3))) ? (((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) : ((last_1_var_1_20 + last_1_var_1_3)))) : ((((((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) > ((last_1_var_1_20 + last_1_var_1_3))) ? (((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) : ((last_1_var_1_20 + last_1_var_1_3)))))))) : ((var_1_5 <= 50) ? (var_1_6 == ((unsigned short int) last_1_var_1_20)) : 1)) [L187] EXPR last_1_var_1_20 ^ last_1_var_1_15 [L187] EXPR ((var_1_1 == ((signed long int) ((((var_1_16) < 0 ) ? -(var_1_16) : (var_1_16))))) && ((last_1_var_1_6 < last_1_var_1_21) ? (var_1_3 == ((unsigned char) ((((var_1_4) > (var_1_5)) ? (var_1_4) : (var_1_5))))) : 1)) && (((last_1_var_1_20 ^ last_1_var_1_15) < -256) ? (var_1_6 == ((unsigned short int) (((((((((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) > ((last_1_var_1_20 + last_1_var_1_3))) ? (((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) : ((last_1_var_1_20 + last_1_var_1_3)))) < 0 ) ? -((((((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) > ((last_1_var_1_20 + last_1_var_1_3))) ? (((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) : ((last_1_var_1_20 + last_1_var_1_3)))) : ((((((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) > ((last_1_var_1_20 + last_1_var_1_3))) ? (((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) : ((last_1_var_1_20 + last_1_var_1_3)))))))) : ((var_1_5 <= 50) ? (var_1_6 == ((unsigned short int) last_1_var_1_20)) : 1)) [L187] EXPR (((((((var_1_1 == ((signed long int) ((((var_1_16) < 0 ) ? -(var_1_16) : (var_1_16))))) && ((last_1_var_1_6 < last_1_var_1_21) ? (var_1_3 == ((unsigned char) ((((var_1_4) > (var_1_5)) ? (var_1_4) : (var_1_5))))) : 1)) && (((last_1_var_1_20 ^ last_1_var_1_15) < -256) ? (var_1_6 == ((unsigned short int) (((((((((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) > ((last_1_var_1_20 + last_1_var_1_3))) ? (((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) : ((last_1_var_1_20 + last_1_var_1_3)))) < 0 ) ? -((((((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) > ((last_1_var_1_20 + last_1_var_1_3))) ? (((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) : ((last_1_var_1_20 + last_1_var_1_3)))) : ((((((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) > ((last_1_var_1_20 + last_1_var_1_3))) ? (((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) : ((last_1_var_1_20 + last_1_var_1_3)))))))) : ((var_1_5 <= 50) ? (var_1_6 == ((unsigned short int) last_1_var_1_20)) : 1))) && ((var_1_3 < (var_1_5 % ((((32) > (var_1_9)) ? (32) : (var_1_9))))) ? (var_1_8 == ((double) ((((((var_1_10) > (var_1_11)) ? (var_1_10) : (var_1_11))) - var_1_12) + (var_1_13 - var_1_14)))) : ((var_1_13 <= (var_1_14 + var_1_11)) ? (var_1_8 == ((double) var_1_12)) : 1))) && ((((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))) > var_1_21) ? (var_1_15 == ((unsigned short int) ((((var_1_3) > ((var_1_5 + var_1_4))) ? (var_1_3) : ((var_1_5 + var_1_4)))))) : 1)) && (var_1_16 == ((signed char) (var_1_17 + (var_1_18 + ((((var_1_19) < 0 ) ? -(var_1_19) : (var_1_19)))))))) && (var_1_20 == ((unsigned short int) (((((var_1_5 + var_1_6)) > (var_1_4)) ? ((var_1_5 + var_1_6)) : (var_1_4)))))) && ((var_1_6 == ((var_1_3 * var_1_17) & (var_1_1 * var_1_18))) ? (var_1_21 == ((unsigned short int) (var_1_4 + 128))) : 1) [L187-L188] return (((((((var_1_1 == ((signed long int) ((((var_1_16) < 0 ) ? -(var_1_16) : (var_1_16))))) && ((last_1_var_1_6 < last_1_var_1_21) ? (var_1_3 == ((unsigned char) ((((var_1_4) > (var_1_5)) ? (var_1_4) : (var_1_5))))) : 1)) && (((last_1_var_1_20 ^ last_1_var_1_15) < -256) ? (var_1_6 == ((unsigned short int) (((((((((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) > ((last_1_var_1_20 + last_1_var_1_3))) ? (((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) : ((last_1_var_1_20 + last_1_var_1_3)))) < 0 ) ? -((((((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) > ((last_1_var_1_20 + last_1_var_1_3))) ? (((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) : ((last_1_var_1_20 + last_1_var_1_3)))) : ((((((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) > ((last_1_var_1_20 + last_1_var_1_3))) ? (((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) : ((last_1_var_1_20 + last_1_var_1_3)))))))) : ((var_1_5 <= 50) ? (var_1_6 == ((unsigned short int) last_1_var_1_20)) : 1))) && ((var_1_3 < (var_1_5 % ((((32) > (var_1_9)) ? (32) : (var_1_9))))) ? (var_1_8 == ((double) ((((((var_1_10) > (var_1_11)) ? (var_1_10) : (var_1_11))) - var_1_12) + (var_1_13 - var_1_14)))) : ((var_1_13 <= (var_1_14 + var_1_11)) ? (var_1_8 == ((double) var_1_12)) : 1))) && ((((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))) > var_1_21) ? (var_1_15 == ((unsigned short int) ((((var_1_3) > ((var_1_5 + var_1_4))) ? (var_1_3) : ((var_1_5 + var_1_4)))))) : 1)) && (var_1_16 == ((signed char) (var_1_17 + (var_1_18 + ((((var_1_19) < 0 ) ? -(var_1_19) : (var_1_19)))))))) && (var_1_20 == ((unsigned short int) (((((var_1_5 + var_1_6)) > (var_1_4)) ? ((var_1_5 + var_1_6)) : (var_1_4)))))) && ((var_1_6 == ((var_1_3 * var_1_17) & (var_1_1 * var_1_18))) ? (var_1_21 == ((unsigned short int) (var_1_4 + 128))) : 1) ; [L197] RET, EXPR property() [L197] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_12=0, var_1_15=354, var_1_16=1, var_1_17=1, var_1_18=-31, var_1_19=31, var_1_1=1, var_1_20=223, var_1_21=0, var_1_22=10, var_1_23=10, var_1_24=8, var_1_26=32766, var_1_27=32767, var_1_28=0, var_1_29=0, var_1_30=10, var_1_31=-32, var_1_32=0, var_1_33=1, var_1_34=0, var_1_35=32766, var_1_36=10, var_1_3=64, var_1_4=223, var_1_5=131, var_1_6=10, var_1_8=0, var_1_9=66] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_12=0, var_1_15=354, var_1_16=1, var_1_17=1, var_1_18=-31, var_1_19=31, var_1_1=1, var_1_20=223, var_1_21=0, var_1_22=10, var_1_23=10, var_1_24=8, var_1_26=32766, var_1_27=32767, var_1_28=0, var_1_29=0, var_1_30=10, var_1_31=-32, var_1_32=0, var_1_33=1, var_1_34=0, var_1_35=32766, var_1_36=10, var_1_3=64, var_1_4=223, var_1_5=131, var_1_6=10, var_1_8=0, var_1_9=66] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 59 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 1, TraceHistogramMax: 32, 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=59occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 118 NumberOfCodeBlocks, 118 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 12:51:59,228 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd544a28-a220-405b-a703-216da0e26898/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd544a28-a220-405b-a703-216da0e26898/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd544a28-a220-405b-a703-216da0e26898/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_fd544a28-a220-405b-a703-216da0e26898/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd544a28-a220-405b-a703-216da0e26898/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-78.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd544a28-a220-405b-a703-216da0e26898/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_fd544a28-a220-405b-a703-216da0e26898/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 ee2e1821328b1b054a61bc5eb26b8f9eaee46050974a9587636fea1af78a34a8 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 12:52:01,101 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 12:52:01,179 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd544a28-a220-405b-a703-216da0e26898/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-12-02 12:52:01,185 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 12:52:01,186 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 12:52:01,212 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 12:52:01,213 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 12:52:01,214 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 12:52:01,214 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 12:52:01,215 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 12:52:01,216 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 12:52:01,216 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 12:52:01,217 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 12:52:01,217 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 12:52:01,218 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 12:52:01,218 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 12:52:01,219 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 12:52:01,220 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 12:52:01,220 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 12:52:01,221 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 12:52:01,221 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 12:52:01,222 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 12:52:01,222 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 12:52:01,223 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 12:52:01,223 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 12:52:01,223 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 12:52:01,224 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 12:52:01,224 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 12:52:01,225 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 12:52:01,225 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 12:52:01,226 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 12:52:01,226 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 12:52:01,226 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 12:52:01,227 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 12:52:01,227 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 12:52:01,227 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 12:52:01,227 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 12:52:01,228 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 12:52:01,228 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 12:52:01,228 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 12:52:01,228 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 12:52:01,229 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 12:52:01,229 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 12:52:01,229 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 12:52:01,229 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_fd544a28-a220-405b-a703-216da0e26898/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd544a28-a220-405b-a703-216da0e26898/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ee2e1821328b1b054a61bc5eb26b8f9eaee46050974a9587636fea1af78a34a8 [2023-12-02 12:52:01,513 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 12:52:01,531 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 12:52:01,533 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 12:52:01,534 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 12:52:01,535 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 12:52:01,536 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd544a28-a220-405b-a703-216da0e26898/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-78.i [2023-12-02 12:52:04,311 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 12:52:04,524 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 12:52:04,525 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd544a28-a220-405b-a703-216da0e26898/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-78.i [2023-12-02 12:52:04,535 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd544a28-a220-405b-a703-216da0e26898/bin/utaipan-verify-nQ1chXbOIh/data/fd54ad16c/5aa23c5b6a91443fbe8fc3a92a8a1d4b/FLAGd8ec25999 [2023-12-02 12:52:04,547 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd544a28-a220-405b-a703-216da0e26898/bin/utaipan-verify-nQ1chXbOIh/data/fd54ad16c/5aa23c5b6a91443fbe8fc3a92a8a1d4b [2023-12-02 12:52:04,550 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 12:52:04,552 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 12:52:04,553 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 12:52:04,553 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 12:52:04,558 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 12:52:04,559 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:52:04" (1/1) ... [2023-12-02 12:52:04,560 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f1ac3c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:52:04, skipping insertion in model container [2023-12-02 12:52:04,560 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:52:04" (1/1) ... [2023-12-02 12:52:04,601 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 12:52:04,751 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_fd544a28-a220-405b-a703-216da0e26898/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-78.i[919,932] [2023-12-02 12:52:04,823 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 12:52:04,840 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 12:52:04,853 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_fd544a28-a220-405b-a703-216da0e26898/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-78.i[919,932] [2023-12-02 12:52:04,890 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 12:52:04,910 INFO L206 MainTranslator]: Completed translation [2023-12-02 12:52:04,910 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:52:04 WrapperNode [2023-12-02 12:52:04,910 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 12:52:04,911 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 12:52:04,912 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 12:52:04,912 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 12:52:04,919 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:52:04" (1/1) ... [2023-12-02 12:52:04,933 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:52:04" (1/1) ... [2023-12-02 12:52:04,965 INFO L138 Inliner]: procedures = 27, calls = 45, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 204 [2023-12-02 12:52:04,965 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 12:52:04,966 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 12:52:04,966 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 12:52:04,966 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 12:52:04,976 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:52:04" (1/1) ... [2023-12-02 12:52:04,976 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:52:04" (1/1) ... [2023-12-02 12:52:04,981 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:52:04" (1/1) ... [2023-12-02 12:52:04,982 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:52:04" (1/1) ... [2023-12-02 12:52:04,995 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:52:04" (1/1) ... [2023-12-02 12:52:05,000 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:52:04" (1/1) ... [2023-12-02 12:52:05,003 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:52:04" (1/1) ... [2023-12-02 12:52:05,006 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:52:04" (1/1) ... [2023-12-02 12:52:05,011 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 12:52:05,012 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 12:52:05,012 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 12:52:05,013 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 12:52:05,013 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:52:04" (1/1) ... [2023-12-02 12:52:05,019 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 12:52:05,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd544a28-a220-405b-a703-216da0e26898/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 12:52:05,042 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd544a28-a220-405b-a703-216da0e26898/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 12:52:05,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd544a28-a220-405b-a703-216da0e26898/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 12:52:05,078 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 12:52:05,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 12:52:05,078 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 12:52:05,078 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 12:52:05,078 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 12:52:05,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 12:52:05,181 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 12:52:05,183 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 12:52:09,773 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 12:52:09,818 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 12:52:09,818 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 12:52:09,819 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:52:09 BoogieIcfgContainer [2023-12-02 12:52:09,819 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 12:52:09,822 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 12:52:09,822 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 12:52:09,824 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 12:52:09,824 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 12:52:04" (1/3) ... [2023-12-02 12:52:09,825 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31971c07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:52:09, skipping insertion in model container [2023-12-02 12:52:09,825 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:52:04" (2/3) ... [2023-12-02 12:52:09,825 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31971c07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:52:09, skipping insertion in model container [2023-12-02 12:52:09,826 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:52:09" (3/3) ... [2023-12-02 12:52:09,827 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-co_file-78.i [2023-12-02 12:52:09,842 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 12:52:09,842 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 12:52:09,898 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 12:52:09,903 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;@713edc2c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 12:52:09,904 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 12:52:09,908 INFO L276 IsEmpty]: Start isEmpty. Operand has 84 states, 49 states have (on average 1.4285714285714286) internal successors, (70), 50 states have internal predecessors, (70), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2023-12-02 12:52:09,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2023-12-02 12:52:09,922 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:52:09,923 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:52:09,923 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 12:52:09,928 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:52:09,928 INFO L85 PathProgramCache]: Analyzing trace with hash -829117534, now seen corresponding path program 1 times [2023-12-02 12:52:09,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 12:52:09,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [919401982] [2023-12-02 12:52:09,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:52:09,942 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 12:52:09,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd544a28-a220-405b-a703-216da0e26898/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 12:52:09,943 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd544a28-a220-405b-a703-216da0e26898/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 12:52:09,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd544a28-a220-405b-a703-216da0e26898/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 12:52:10,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:52:10,428 INFO L262 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 12:52:10,440 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 12:52:10,492 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 902 proven. 0 refuted. 0 times theorem prover too weak. 1082 trivial. 0 not checked. [2023-12-02 12:52:10,492 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 12:52:10,493 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 12:52:10,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [919401982] [2023-12-02 12:52:10,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [919401982] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:52:10,494 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:52:10,494 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 12:52:10,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587193429] [2023-12-02 12:52:10,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:52:10,501 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-02 12:52:10,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 12:52:10,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-02 12:52:10,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 12:52:10,533 INFO L87 Difference]: Start difference. First operand has 84 states, 49 states have (on average 1.4285714285714286) internal successors, (70), 50 states have internal predecessors, (70), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) Second operand has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-12-02 12:52:12,697 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:52:12,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:52:12,698 INFO L93 Difference]: Finished difference Result 165 states and 298 transitions. [2023-12-02 12:52:12,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 12:52:12,728 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 199 [2023-12-02 12:52:12,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:52:12,735 INFO L225 Difference]: With dead ends: 165 [2023-12-02 12:52:12,735 INFO L226 Difference]: Without dead ends: 82 [2023-12-02 12:52:12,738 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 198 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 12:52:12,741 INFO L413 NwaCegarLoop]: 126 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-12-02 12:52:12,741 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 126 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 2.1s Time] [2023-12-02 12:52:12,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2023-12-02 12:52:12,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2023-12-02 12:52:12,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 48 states have (on average 1.3541666666666667) internal successors, (65), 48 states have internal predecessors, (65), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2023-12-02 12:52:12,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 129 transitions. [2023-12-02 12:52:12,785 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 129 transitions. Word has length 199 [2023-12-02 12:52:12,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:52:12,786 INFO L495 AbstractCegarLoop]: Abstraction has 82 states and 129 transitions. [2023-12-02 12:52:12,786 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-12-02 12:52:12,786 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 129 transitions. [2023-12-02 12:52:12,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2023-12-02 12:52:12,791 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:52:12,792 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:52:12,806 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd544a28-a220-405b-a703-216da0e26898/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 12:52:12,993 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd544a28-a220-405b-a703-216da0e26898/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 12:52:12,994 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 12:52:12,995 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:52:12,995 INFO L85 PathProgramCache]: Analyzing trace with hash 510619118, now seen corresponding path program 1 times [2023-12-02 12:52:12,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 12:52:12,996 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [802191526] [2023-12-02 12:52:12,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:52:12,997 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 12:52:12,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd544a28-a220-405b-a703-216da0e26898/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 12:52:12,998 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd544a28-a220-405b-a703-216da0e26898/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 12:52:12,999 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd544a28-a220-405b-a703-216da0e26898/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 12:52:13,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:52:13,512 INFO L262 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 12:52:13,521 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 12:52:15,530 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2023-12-02 12:52:15,531 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 12:52:15,531 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 12:52:15,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [802191526] [2023-12-02 12:52:15,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [802191526] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:52:15,532 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:52:15,532 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 12:52:15,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291954393] [2023-12-02 12:52:15,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:52:15,534 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 12:52:15,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 12:52:15,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 12:52:15,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-02 12:52:15,536 INFO L87 Difference]: Start difference. First operand 82 states and 129 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2023-12-02 12:52:18,324 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:52:19,852 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:52:22,030 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:52:23,041 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:52:25,195 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:52:25,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:52:25,196 INFO L93 Difference]: Finished difference Result 267 states and 421 transitions. [2023-12-02 12:52:25,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 12:52:25,225 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 199 [2023-12-02 12:52:25,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:52:25,230 INFO L225 Difference]: With dead ends: 267 [2023-12-02 12:52:25,231 INFO L226 Difference]: Without dead ends: 186 [2023-12-02 12:52:25,232 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 195 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-12-02 12:52:25,233 INFO L413 NwaCegarLoop]: 148 mSDtfsCounter, 138 mSDsluCounter, 299 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 65 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 447 SdHoareTripleChecker+Invalid, 173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.5s IncrementalHoareTripleChecker+Time [2023-12-02 12:52:25,234 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 447 Invalid, 173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 105 Invalid, 3 Unknown, 0 Unchecked, 9.5s Time] [2023-12-02 12:52:25,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2023-12-02 12:52:25,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 161. [2023-12-02 12:52:25,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 94 states have (on average 1.351063829787234) internal successors, (127), 94 states have internal predecessors, (127), 64 states have call successors, (64), 2 states have call predecessors, (64), 2 states have return successors, (64), 64 states have call predecessors, (64), 64 states have call successors, (64) [2023-12-02 12:52:25,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 255 transitions. [2023-12-02 12:52:25,273 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 255 transitions. Word has length 199 [2023-12-02 12:52:25,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:52:25,274 INFO L495 AbstractCegarLoop]: Abstraction has 161 states and 255 transitions. [2023-12-02 12:52:25,275 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2023-12-02 12:52:25,275 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 255 transitions. [2023-12-02 12:52:25,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2023-12-02 12:52:25,279 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:52:25,280 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:52:25,290 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd544a28-a220-405b-a703-216da0e26898/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 12:52:25,485 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd544a28-a220-405b-a703-216da0e26898/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 12:52:25,486 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 12:52:25,486 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:52:25,487 INFO L85 PathProgramCache]: Analyzing trace with hash -1178324624, now seen corresponding path program 1 times [2023-12-02 12:52:25,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 12:52:25,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1978554548] [2023-12-02 12:52:25,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:52:25,488 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 12:52:25,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd544a28-a220-405b-a703-216da0e26898/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 12:52:25,489 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd544a28-a220-405b-a703-216da0e26898/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 12:52:25,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd544a28-a220-405b-a703-216da0e26898/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 12:52:25,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:52:25,944 INFO L262 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 12:52:25,949 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 12:52:25,997 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2023-12-02 12:52:25,998 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 12:52:25,998 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 12:52:25,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1978554548] [2023-12-02 12:52:25,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1978554548] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:52:25,999 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:52:25,999 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 12:52:25,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [815540558] [2023-12-02 12:52:26,000 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:52:26,000 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 12:52:26,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 12:52:26,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 12:52:26,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 12:52:26,002 INFO L87 Difference]: Start difference. First operand 161 states and 255 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2023-12-02 12:52:28,136 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 12:52:30,138 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 12:52:30,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:52:30,142 INFO L93 Difference]: Finished difference Result 242 states and 383 transitions. [2023-12-02 12:52:30,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 12:52:30,174 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 199 [2023-12-02 12:52:30,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:52:30,176 INFO L225 Difference]: With dead ends: 242 [2023-12-02 12:52:30,177 INFO L226 Difference]: Without dead ends: 161 [2023-12-02 12:52:30,178 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 197 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 12:52:30,179 INFO L413 NwaCegarLoop]: 124 mSDtfsCounter, 33 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 214 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2023-12-02 12:52:30,179 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 214 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 2 Unknown, 0 Unchecked, 4.1s Time] [2023-12-02 12:52:30,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2023-12-02 12:52:30,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 161. [2023-12-02 12:52:30,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 94 states have (on average 1.3297872340425532) internal successors, (125), 94 states have internal predecessors, (125), 64 states have call successors, (64), 2 states have call predecessors, (64), 2 states have return successors, (64), 64 states have call predecessors, (64), 64 states have call successors, (64) [2023-12-02 12:52:30,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 253 transitions. [2023-12-02 12:52:30,216 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 253 transitions. Word has length 199 [2023-12-02 12:52:30,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:52:30,217 INFO L495 AbstractCegarLoop]: Abstraction has 161 states and 253 transitions. [2023-12-02 12:52:30,218 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2023-12-02 12:52:30,218 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 253 transitions. [2023-12-02 12:52:30,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2023-12-02 12:52:30,222 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:52:30,223 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:52:30,236 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd544a28-a220-405b-a703-216da0e26898/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 12:52:30,425 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd544a28-a220-405b-a703-216da0e26898/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 12:52:30,426 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 12:52:30,426 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:52:30,426 INFO L85 PathProgramCache]: Analyzing trace with hash -1167653923, now seen corresponding path program 1 times [2023-12-02 12:52:30,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 12:52:30,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1584077629] [2023-12-02 12:52:30,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:52:30,428 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 12:52:30,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd544a28-a220-405b-a703-216da0e26898/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 12:52:30,429 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd544a28-a220-405b-a703-216da0e26898/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 12:52:30,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd544a28-a220-405b-a703-216da0e26898/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 12:52:30,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:52:30,852 INFO L262 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 12:52:30,858 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 12:52:32,631 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2023-12-02 12:52:32,632 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 12:52:32,632 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 12:52:32,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1584077629] [2023-12-02 12:52:32,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1584077629] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:52:32,632 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:52:32,632 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 12:52:32,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1714519785] [2023-12-02 12:52:32,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:52:32,634 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 12:52:32,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 12:52:32,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 12:52:32,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-02 12:52:32,635 INFO L87 Difference]: Start difference. First operand 161 states and 253 transitions. Second operand has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2023-12-02 12:52:34,405 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:52:36,593 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:52:38,881 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:52:40,461 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:52:42,620 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:52:44,275 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:52:46,527 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:52:48,529 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:52:48,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:52:48,531 INFO L93 Difference]: Finished difference Result 444 states and 697 transitions. [2023-12-02 12:52:48,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 12:52:48,561 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 200 [2023-12-02 12:52:48,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:52:48,566 INFO L225 Difference]: With dead ends: 444 [2023-12-02 12:52:48,566 INFO L226 Difference]: Without dead ends: 363 [2023-12-02 12:52:48,567 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 195 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2023-12-02 12:52:48,568 INFO L413 NwaCegarLoop]: 201 mSDtfsCounter, 299 mSDsluCounter, 246 mSDsCounter, 0 mSdLazyCounter, 413 mSolverCounterSat, 65 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 299 SdHoareTripleChecker+Valid, 447 SdHoareTripleChecker+Invalid, 482 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 413 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.7s IncrementalHoareTripleChecker+Time [2023-12-02 12:52:48,568 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [299 Valid, 447 Invalid, 482 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 413 Invalid, 4 Unknown, 0 Unchecked, 15.7s Time] [2023-12-02 12:52:48,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2023-12-02 12:52:48,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 299. [2023-12-02 12:52:48,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 299 states, 166 states have (on average 1.283132530120482) internal successors, (213), 166 states have internal predecessors, (213), 128 states have call successors, (128), 4 states have call predecessors, (128), 4 states have return successors, (128), 128 states have call predecessors, (128), 128 states have call successors, (128) [2023-12-02 12:52:48,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 469 transitions. [2023-12-02 12:52:48,625 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 469 transitions. Word has length 200 [2023-12-02 12:52:48,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:52:48,626 INFO L495 AbstractCegarLoop]: Abstraction has 299 states and 469 transitions. [2023-12-02 12:52:48,627 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2023-12-02 12:52:48,627 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 469 transitions. [2023-12-02 12:52:48,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2023-12-02 12:52:48,630 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:52:48,631 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:52:48,643 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd544a28-a220-405b-a703-216da0e26898/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2023-12-02 12:52:48,831 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd544a28-a220-405b-a703-216da0e26898/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 12:52:48,831 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 12:52:48,832 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:52:48,832 INFO L85 PathProgramCache]: Analyzing trace with hash -1754459937, now seen corresponding path program 1 times [2023-12-02 12:52:48,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 12:52:48,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1060912167] [2023-12-02 12:52:48,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:52:48,833 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 12:52:48,834 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd544a28-a220-405b-a703-216da0e26898/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 12:52:48,834 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd544a28-a220-405b-a703-216da0e26898/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 12:52:48,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd544a28-a220-405b-a703-216da0e26898/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 12:52:49,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:52:49,234 INFO L262 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 12:52:49,238 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 12:52:49,948 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 964 proven. 60 refuted. 0 times theorem prover too weak. 960 trivial. 0 not checked. [2023-12-02 12:52:49,948 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 12:52:50,337 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 60 proven. 33 refuted. 0 times theorem prover too weak. 1891 trivial. 0 not checked. [2023-12-02 12:52:50,337 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 12:52:50,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1060912167] [2023-12-02 12:52:50,337 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1060912167] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 12:52:50,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1739598482] [2023-12-02 12:52:50,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:52:50,338 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 12:52:50,338 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd544a28-a220-405b-a703-216da0e26898/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 12:52:50,339 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd544a28-a220-405b-a703-216da0e26898/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 12:52:50,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd544a28-a220-405b-a703-216da0e26898/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-02 12:52:51,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:52:51,224 INFO L262 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 12:52:51,229 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 12:52:51,584 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 951 proven. 33 refuted. 0 times theorem prover too weak. 1000 trivial. 0 not checked. [2023-12-02 12:52:51,584 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 12:52:51,867 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 60 proven. 33 refuted. 0 times theorem prover too weak. 1891 trivial. 0 not checked. [2023-12-02 12:52:51,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1739598482] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 12:52:51,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1670317012] [2023-12-02 12:52:51,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:52:51,868 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 12:52:51,868 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd544a28-a220-405b-a703-216da0e26898/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 12:52:51,873 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd544a28-a220-405b-a703-216da0e26898/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 12:52:51,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd544a28-a220-405b-a703-216da0e26898/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-12-02 12:52:52,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:52:52,194 INFO L262 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 12:52:52,198 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 12:52:52,495 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 951 proven. 33 refuted. 0 times theorem prover too weak. 1000 trivial. 0 not checked. [2023-12-02 12:52:52,496 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 12:52:52,847 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 60 proven. 33 refuted. 0 times theorem prover too weak. 1891 trivial. 0 not checked. [2023-12-02 12:52:52,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1670317012] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 12:52:52,847 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2023-12-02 12:52:52,848 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5, 5, 5, 5] total 14 [2023-12-02 12:52:52,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1684554485] [2023-12-02 12:52:52,848 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2023-12-02 12:52:52,850 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-12-02 12:52:52,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 12:52:52,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-12-02 12:52:52,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=110, Unknown=0, NotChecked=0, Total=182 [2023-12-02 12:52:52,851 INFO L87 Difference]: Start difference. First operand 299 states and 469 transitions. Second operand has 14 states, 14 states have (on average 8.642857142857142) internal successors, (121), 14 states have internal predecessors, (121), 5 states have call successors, (64), 3 states have call predecessors, (64), 7 states have return successors, (67), 5 states have call predecessors, (67), 5 states have call successors, (67) [2023-12-02 12:52:56,013 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:52:58,015 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:52:59,537 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:52:59,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:52:59,638 INFO L93 Difference]: Finished difference Result 578 states and 878 transitions. [2023-12-02 12:52:59,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-02 12:52:59,674 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 8.642857142857142) internal successors, (121), 14 states have internal predecessors, (121), 5 states have call successors, (64), 3 states have call predecessors, (64), 7 states have return successors, (67), 5 states have call predecessors, (67), 5 states have call successors, (67) Word has length 200 [2023-12-02 12:52:59,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:52:59,676 INFO L225 Difference]: With dead ends: 578 [2023-12-02 12:52:59,676 INFO L226 Difference]: Without dead ends: 339 [2023-12-02 12:52:59,678 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1199 GetRequests, 1182 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=136, Invalid=206, Unknown=0, NotChecked=0, Total=342 [2023-12-02 12:52:59,678 INFO L413 NwaCegarLoop]: 81 mSDtfsCounter, 181 mSDsluCounter, 145 mSDsCounter, 0 mSdLazyCounter, 263 mSolverCounterSat, 141 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 201 SdHoareTripleChecker+Valid, 226 SdHoareTripleChecker+Invalid, 406 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 141 IncrementalHoareTripleChecker+Valid, 263 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2023-12-02 12:52:59,679 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [201 Valid, 226 Invalid, 406 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [141 Valid, 263 Invalid, 2 Unknown, 0 Unchecked, 6.6s Time] [2023-12-02 12:52:59,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2023-12-02 12:52:59,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 331. [2023-12-02 12:52:59,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 331 states, 190 states have (on average 1.2) internal successors, (228), 190 states have internal predecessors, (228), 128 states have call successors, (128), 12 states have call predecessors, (128), 12 states have return successors, (128), 128 states have call predecessors, (128), 128 states have call successors, (128) [2023-12-02 12:52:59,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 331 states and 484 transitions. [2023-12-02 12:52:59,733 INFO L78 Accepts]: Start accepts. Automaton has 331 states and 484 transitions. Word has length 200 [2023-12-02 12:52:59,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:52:59,733 INFO L495 AbstractCegarLoop]: Abstraction has 331 states and 484 transitions. [2023-12-02 12:52:59,734 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 8.642857142857142) internal successors, (121), 14 states have internal predecessors, (121), 5 states have call successors, (64), 3 states have call predecessors, (64), 7 states have return successors, (67), 5 states have call predecessors, (67), 5 states have call successors, (67) [2023-12-02 12:52:59,734 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 484 transitions. [2023-12-02 12:52:59,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2023-12-02 12:52:59,736 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:52:59,736 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:52:59,748 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd544a28-a220-405b-a703-216da0e26898/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 12:52:59,961 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd544a28-a220-405b-a703-216da0e26898/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2023-12-02 12:53:00,151 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd544a28-a220-405b-a703-216da0e26898/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-02 12:53:00,346 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd544a28-a220-405b-a703-216da0e26898/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_fd544a28-a220-405b-a703-216da0e26898/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd544a28-a220-405b-a703-216da0e26898/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt [2023-12-02 12:53:00,346 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 12:53:00,347 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:53:00,347 INFO L85 PathProgramCache]: Analyzing trace with hash -304580933, now seen corresponding path program 1 times [2023-12-02 12:53:00,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 12:53:00,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1566786035] [2023-12-02 12:53:00,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:53:00,348 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 12:53:00,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd544a28-a220-405b-a703-216da0e26898/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 12:53:00,349 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd544a28-a220-405b-a703-216da0e26898/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 12:53:00,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd544a28-a220-405b-a703-216da0e26898/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2023-12-02 12:53:01,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:53:01,479 INFO L262 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 12:53:01,483 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 12:53:03,278 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 643 proven. 75 refuted. 0 times theorem prover too weak. 1266 trivial. 0 not checked. [2023-12-02 12:53:03,278 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 12:53:06,045 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 12:53:06,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1566786035] [2023-12-02 12:53:06,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1566786035] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 12:53:06,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1939943941] [2023-12-02 12:53:06,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:53:06,046 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 12:53:06,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd544a28-a220-405b-a703-216da0e26898/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 12:53:06,046 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd544a28-a220-405b-a703-216da0e26898/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 12:53:06,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd544a28-a220-405b-a703-216da0e26898/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-02 12:53:06,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:53:06,893 INFO L262 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 12:53:06,897 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 12:53:08,636 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2023-12-02 12:53:08,636 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 12:53:08,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1939943941] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:53:08,636 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-02 12:53:08,636 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 11 [2023-12-02 12:53:08,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1516680282] [2023-12-02 12:53:08,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:53:08,637 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 12:53:08,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 12:53:08,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 12:53:08,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2023-12-02 12:53:08,638 INFO L87 Difference]: Start difference. First operand 331 states and 484 transitions. Second operand has 6 states, 6 states have (on average 7.5) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2023-12-02 12:53:11,236 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:53:13,858 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:53:16,223 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 12:53:18,226 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 12:53:20,231 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:53:23,049 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:53:24,863 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:53:26,935 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 12:53:29,131 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 12:53:32,126 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:53:34,129 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 12:53:35,895 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 12:53:36,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:53:36,558 INFO L93 Difference]: Finished difference Result 766 states and 1114 transitions. [2023-12-02 12:53:36,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-02 12:53:36,559 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 202 [2023-12-02 12:53:36,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:53:36,564 INFO L225 Difference]: With dead ends: 766 [2023-12-02 12:53:36,564 INFO L226 Difference]: Without dead ends: 590 [2023-12-02 12:53:36,565 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 431 GetRequests, 413 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=86, Invalid=294, Unknown=0, NotChecked=0, Total=380 [2023-12-02 12:53:36,566 INFO L413 NwaCegarLoop]: 213 mSDtfsCounter, 496 mSDsluCounter, 362 mSDsCounter, 0 mSdLazyCounter, 465 mSolverCounterSat, 193 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 496 SdHoareTripleChecker+Valid, 575 SdHoareTripleChecker+Invalid, 666 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 193 IncrementalHoareTripleChecker+Valid, 465 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.5s IncrementalHoareTripleChecker+Time [2023-12-02 12:53:36,566 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [496 Valid, 575 Invalid, 666 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [193 Valid, 465 Invalid, 8 Unknown, 0 Unchecked, 27.5s Time] [2023-12-02 12:53:36,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 590 states. [2023-12-02 12:53:36,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 590 to 505. [2023-12-02 12:53:36,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 505 states, 294 states have (on average 1.2074829931972788) internal successors, (355), 294 states have internal predecessors, (355), 192 states have call successors, (192), 18 states have call predecessors, (192), 18 states have return successors, (192), 192 states have call predecessors, (192), 192 states have call successors, (192) [2023-12-02 12:53:36,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 505 states and 739 transitions. [2023-12-02 12:53:36,658 INFO L78 Accepts]: Start accepts. Automaton has 505 states and 739 transitions. Word has length 202 [2023-12-02 12:53:36,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:53:36,659 INFO L495 AbstractCegarLoop]: Abstraction has 505 states and 739 transitions. [2023-12-02 12:53:36,660 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2023-12-02 12:53:36,660 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 739 transitions. [2023-12-02 12:53:36,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2023-12-02 12:53:36,661 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:53:36,662 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:53:36,674 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd544a28-a220-405b-a703-216da0e26898/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Ended with exit code 0 [2023-12-02 12:53:36,867 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd544a28-a220-405b-a703-216da0e26898/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2023-12-02 12:53:37,062 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd544a28-a220-405b-a703-216da0e26898/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd544a28-a220-405b-a703-216da0e26898/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt [2023-12-02 12:53:37,063 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 12:53:37,063 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:53:37,063 INFO L85 PathProgramCache]: Analyzing trace with hash -46415495, now seen corresponding path program 1 times [2023-12-02 12:53:37,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 12:53:37,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1300402361] [2023-12-02 12:53:37,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:53:37,064 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 12:53:37,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd544a28-a220-405b-a703-216da0e26898/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 12:53:37,065 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd544a28-a220-405b-a703-216da0e26898/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 12:53:37,066 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd544a28-a220-405b-a703-216da0e26898/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 12:53:38,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:53:38,440 INFO L262 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 12:53:38,445 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 12:53:40,136 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 643 proven. 75 refuted. 0 times theorem prover too weak. 1266 trivial. 0 not checked. [2023-12-02 12:53:40,136 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 12:53:43,625 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 12:53:43,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1300402361] [2023-12-02 12:53:43,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1300402361] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 12:53:43,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1938331025] [2023-12-02 12:53:43,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:53:43,626 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 12:53:43,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd544a28-a220-405b-a703-216da0e26898/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 12:53:43,627 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd544a28-a220-405b-a703-216da0e26898/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 12:53:43,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd544a28-a220-405b-a703-216da0e26898/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-12-02 12:53:45,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:53:45,022 INFO L262 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 12:53:45,026 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 12:53:46,310 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2023-12-02 12:53:46,310 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 12:53:46,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1938331025] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:53:46,311 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-02 12:53:46,311 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 9 [2023-12-02 12:53:46,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153289468] [2023-12-02 12:53:46,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:53:46,311 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 12:53:46,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 12:53:46,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 12:53:46,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2023-12-02 12:53:46,312 INFO L87 Difference]: Start difference. First operand 505 states and 739 transitions. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2023-12-02 12:53:48,222 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:53:50,460 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:53:52,463 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:53:54,578 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:53:56,795 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:53:58,799 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:53:58,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:53:58,857 INFO L93 Difference]: Finished difference Result 1028 states and 1494 transitions. [2023-12-02 12:53:58,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 12:53:58,858 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 202 [2023-12-02 12:53:58,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:53:58,865 INFO L225 Difference]: With dead ends: 1028 [2023-12-02 12:53:58,865 INFO L226 Difference]: Without dead ends: 678 [2023-12-02 12:53:58,867 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 427 GetRequests, 415 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2023-12-02 12:53:58,868 INFO L413 NwaCegarLoop]: 135 mSDtfsCounter, 104 mSDsluCounter, 190 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 325 SdHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.4s IncrementalHoareTripleChecker+Time [2023-12-02 12:53:58,868 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 325 Invalid, 175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 170 Invalid, 4 Unknown, 0 Unchecked, 12.4s Time] [2023-12-02 12:53:58,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 678 states. [2023-12-02 12:53:58,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 678 to 671. [2023-12-02 12:53:58,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 671 states, 415 states have (on average 1.23855421686747) internal successors, (514), 418 states have internal predecessors, (514), 230 states have call successors, (230), 25 states have call predecessors, (230), 25 states have return successors, (230), 227 states have call predecessors, (230), 230 states have call successors, (230) [2023-12-02 12:53:58,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 671 states to 671 states and 974 transitions. [2023-12-02 12:53:58,978 INFO L78 Accepts]: Start accepts. Automaton has 671 states and 974 transitions. Word has length 202 [2023-12-02 12:53:58,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:53:58,979 INFO L495 AbstractCegarLoop]: Abstraction has 671 states and 974 transitions. [2023-12-02 12:53:58,979 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2023-12-02 12:53:58,979 INFO L276 IsEmpty]: Start isEmpty. Operand 671 states and 974 transitions. [2023-12-02 12:53:58,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2023-12-02 12:53:58,981 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:53:58,981 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:53:58,994 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd544a28-a220-405b-a703-216da0e26898/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 12:53:59,188 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd544a28-a220-405b-a703-216da0e26898/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2023-12-02 12:53:59,382 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd544a28-a220-405b-a703-216da0e26898/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_fd544a28-a220-405b-a703-216da0e26898/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt [2023-12-02 12:53:59,383 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 12:53:59,383 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:53:59,383 INFO L85 PathProgramCache]: Analyzing trace with hash -713660997, now seen corresponding path program 1 times [2023-12-02 12:53:59,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 12:53:59,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1699714184] [2023-12-02 12:53:59,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:53:59,384 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 12:53:59,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd544a28-a220-405b-a703-216da0e26898/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 12:53:59,385 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd544a28-a220-405b-a703-216da0e26898/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 12:53:59,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd544a28-a220-405b-a703-216da0e26898/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 (13)] Waiting until timeout for monitored process [2023-12-02 12:53:59,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:53:59,792 INFO L262 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 12:53:59,795 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 12:54:01,274 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2023-12-02 12:54:01,274 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 12:54:01,274 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 12:54:01,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1699714184] [2023-12-02 12:54:01,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1699714184] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:54:01,275 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:54:01,275 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 12:54:01,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395533795] [2023-12-02 12:54:01,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:54:01,276 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 12:54:01,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 12:54:01,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 12:54:01,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 12:54:01,277 INFO L87 Difference]: Start difference. First operand 671 states and 974 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2023-12-02 12:54:02,858 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:54:05,159 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:54:07,163 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:54:09,165 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:54:10,294 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:54:12,496 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:54:12,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:54:12,565 INFO L93 Difference]: Finished difference Result 876 states and 1272 transitions. [2023-12-02 12:54:12,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 12:54:12,567 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 202 [2023-12-02 12:54:12,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:54:12,572 INFO L225 Difference]: With dead ends: 876 [2023-12-02 12:54:12,572 INFO L226 Difference]: Without dead ends: 673 [2023-12-02 12:54:12,573 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 199 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-02 12:54:12,574 INFO L413 NwaCegarLoop]: 115 mSDtfsCounter, 49 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 274 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.2s IncrementalHoareTripleChecker+Time [2023-12-02 12:54:12,574 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 274 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 106 Invalid, 4 Unknown, 0 Unchecked, 11.2s Time] [2023-12-02 12:54:12,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 673 states. [2023-12-02 12:54:12,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 673 to 671. [2023-12-02 12:54:12,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 671 states, 415 states have (on average 1.236144578313253) internal successors, (513), 418 states have internal predecessors, (513), 230 states have call successors, (230), 25 states have call predecessors, (230), 25 states have return successors, (230), 227 states have call predecessors, (230), 230 states have call successors, (230) [2023-12-02 12:54:12,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 671 states to 671 states and 973 transitions. [2023-12-02 12:54:12,649 INFO L78 Accepts]: Start accepts. Automaton has 671 states and 973 transitions. Word has length 202 [2023-12-02 12:54:12,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:54:12,650 INFO L495 AbstractCegarLoop]: Abstraction has 671 states and 973 transitions. [2023-12-02 12:54:12,650 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2023-12-02 12:54:12,650 INFO L276 IsEmpty]: Start isEmpty. Operand 671 states and 973 transitions. [2023-12-02 12:54:12,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2023-12-02 12:54:12,652 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:54:12,652 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:54:12,662 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd544a28-a220-405b-a703-216da0e26898/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 (13)] Ended with exit code 0 [2023-12-02 12:54:12,852 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd544a28-a220-405b-a703-216da0e26898/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 12:54:12,853 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 12:54:12,853 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:54:12,854 INFO L85 PathProgramCache]: Analyzing trace with hash -1993524675, now seen corresponding path program 1 times [2023-12-02 12:54:12,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 12:54:12,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [596653391] [2023-12-02 12:54:12,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:54:12,855 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 12:54:12,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd544a28-a220-405b-a703-216da0e26898/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 12:54:12,855 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd544a28-a220-405b-a703-216da0e26898/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 12:54:12,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd544a28-a220-405b-a703-216da0e26898/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 12:54:14,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:54:14,230 INFO L262 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 51 conjunts are in the unsatisfiable core [2023-12-02 12:54:14,236 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 12:57:15,947 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse1 ((_ sign_extend 24) c_~var_1_18~0)) (.cse2 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode 4611686018427382800.0))) (.cse3 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (.cse0 ((_ sign_extend 24) c_~var_1_19~0)) (.cse7 ((_ zero_extend 24) c_~var_1_5~0)) (.cse4 ((_ sign_extend 24) c_~var_1_17~0))) (and (bvsle .cse0 (_ bv31 32)) (= (_ bv0 16) c_~var_1_21~0) (bvsle .cse1 (_ bv32 32)) (fp.leq c_~var_1_12~0 .cse2) (bvsge .cse1 (_ bv4294967265 32)) (fp.geq c_~var_1_14~0 .cse3) (= c_~var_1_3~0 (_ bv64 8)) (fp.leq c_~var_1_14~0 .cse2) (fp.geq c_~var_1_13~0 .cse3) (fp.geq c_~var_1_12~0 .cse3) (fp.leq c_~var_1_13~0 .cse2) (bvsge .cse4 (_ bv4294967233 32)) (let ((.cse5 (fp.gt c_~var_1_10~0 c_~var_1_11~0)) (.cse6 (fp.sub c_currentRoundingMode c_~var_1_13~0 c_~var_1_14~0))) (or (and .cse5 (= c_~var_1_8~0 (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode c_~var_1_10~0 c_~var_1_12~0) .cse6))) (and (not .cse5) (= c_~var_1_8~0 (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode c_~var_1_11~0 c_~var_1_12~0) .cse6))))) (= c_~var_1_6~0 (_ bv10 16)) (not (bvsgt (_ bv32 32) c_~var_1_9~0)) (bvslt (_ bv64 32) (bvsrem .cse7 c_~var_1_9~0)) (fp.leq c_~var_1_11~0 .cse2) (fp.geq c_~var_1_11~0 .cse3) (bvsge .cse0 (_ bv4294967265 32)) (let ((.cse10 (bvadd .cse7 (_ bv10 32))) (.cse8 ((_ zero_extend 24) c_~var_1_4~0))) (let ((.cse9 (bvsgt .cse10 .cse8))) (or (and (= ((_ extract 15 0) .cse8) c_~var_1_20~0) (not .cse9)) (and .cse9 (= c_~var_1_20~0 ((_ extract 15 0) .cse10)))))) (= (_ bv0 16) c_~last_1_var_1_21~0) (bvsle .cse4 (_ bv63 32)) (= c_currentRoundingMode roundNearestTiesToEven))) is different from false [2023-12-02 12:59:48,353 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse1 ((_ sign_extend 24) c_~var_1_18~0)) (.cse4 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode 4611686018427382800.0))) (.cse5 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (.cse0 ((_ sign_extend 24) c_~var_1_19~0)) (.cse10 ((_ zero_extend 24) c_~var_1_5~0)) (.cse6 ((_ sign_extend 24) c_~var_1_17~0))) (and (bvsle .cse0 (_ bv31 32)) (= (_ bv0 16) c_~var_1_21~0) (bvsle .cse1 (_ bv32 32)) (let ((.cse2 ((_ sign_extend 24) c_~var_1_16~0))) (let ((.cse3 (bvslt .cse2 (_ bv0 32)))) (or (and (= .cse2 c_~var_1_1~0) (not .cse3)) (and (= c_~var_1_1~0 (bvneg .cse2)) .cse3)))) (fp.leq c_~var_1_12~0 .cse4) (bvsge .cse1 (_ bv4294967265 32)) (fp.geq c_~var_1_14~0 .cse5) (let ((.cse7 (bvslt .cse0 (_ bv0 32)))) (or (and (= c_~var_1_16~0 ((_ extract 7 0) (bvadd .cse0 .cse6 .cse1))) (not .cse7)) (and .cse7 (= ((_ extract 7 0) (bvadd .cse6 .cse1 (bvneg .cse0))) c_~var_1_16~0)))) (= c_~var_1_3~0 (_ bv64 8)) (fp.leq c_~var_1_14~0 .cse4) (fp.geq c_~var_1_13~0 .cse5) (fp.geq c_~var_1_12~0 .cse5) (fp.leq c_~var_1_13~0 .cse4) (bvsge .cse6 (_ bv4294967233 32)) (let ((.cse8 (fp.gt c_~var_1_10~0 c_~var_1_11~0)) (.cse9 (fp.sub c_currentRoundingMode c_~var_1_13~0 c_~var_1_14~0))) (or (and .cse8 (= c_~var_1_8~0 (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode c_~var_1_10~0 c_~var_1_12~0) .cse9))) (and (not .cse8) (= c_~var_1_8~0 (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode c_~var_1_11~0 c_~var_1_12~0) .cse9))))) (= c_~var_1_6~0 (_ bv10 16)) (not (bvsgt (_ bv32 32) c_~var_1_9~0)) (bvslt (_ bv64 32) (bvsrem .cse10 c_~var_1_9~0)) (fp.leq c_~var_1_11~0 .cse4) (fp.geq c_~var_1_11~0 .cse5) (bvsge .cse0 (_ bv4294967265 32)) (let ((.cse13 (bvadd .cse10 (_ bv10 32))) (.cse11 ((_ zero_extend 24) c_~var_1_4~0))) (let ((.cse12 (bvsgt .cse13 .cse11))) (or (and (= ((_ extract 15 0) .cse11) c_~var_1_20~0) (not .cse12)) (and .cse12 (= c_~var_1_20~0 ((_ extract 15 0) .cse13)))))) (= (_ bv0 16) c_~last_1_var_1_21~0) (bvsle .cse6 (_ bv63 32)) (= c_currentRoundingMode roundNearestTiesToEven))) is different from false [2023-12-02 13:04:58,373 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse1 ((_ sign_extend 24) c_~var_1_18~0)) (.cse4 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode 4611686018427382800.0))) (.cse5 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (.cse0 ((_ sign_extend 24) c_~var_1_19~0)) (.cse8 ((_ zero_extend 24) c_~var_1_4~0)) (.cse9 ((_ zero_extend 24) c_~var_1_5~0)) (.cse6 ((_ sign_extend 24) c_~var_1_17~0))) (and (bvsle .cse0 (_ bv31 32)) (= (_ bv0 16) c_~var_1_21~0) (bvsle .cse1 (_ bv32 32)) (let ((.cse2 ((_ sign_extend 24) c_~var_1_16~0))) (let ((.cse3 (bvslt .cse2 (_ bv0 32)))) (or (and (= .cse2 c_~var_1_1~0) (not .cse3)) (and (= c_~var_1_1~0 (bvneg .cse2)) .cse3)))) (fp.leq c_~var_1_12~0 .cse4) (bvsge .cse1 (_ bv4294967265 32)) (fp.geq c_~var_1_14~0 .cse5) (let ((.cse7 (bvslt .cse0 (_ bv0 32)))) (or (and (= c_~var_1_16~0 ((_ extract 7 0) (bvadd .cse0 .cse6 .cse1))) (not .cse7)) (and .cse7 (= ((_ extract 7 0) (bvadd .cse6 .cse1 (bvneg .cse0))) c_~var_1_16~0)))) (= c_~var_1_3~0 (_ bv64 8)) (fp.leq c_~var_1_14~0 .cse4) (fp.geq c_~var_1_13~0 .cse5) (fp.geq c_~var_1_12~0 .cse5) (fp.leq c_~var_1_13~0 .cse4) (bvsge .cse6 (_ bv4294967233 32)) (= c_~var_1_15~0 ((_ extract 15 0) (bvadd .cse8 .cse9))) (let ((.cse10 (fp.gt c_~var_1_10~0 c_~var_1_11~0)) (.cse11 (fp.sub c_currentRoundingMode c_~var_1_13~0 c_~var_1_14~0))) (or (and .cse10 (= c_~var_1_8~0 (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode c_~var_1_10~0 c_~var_1_12~0) .cse11))) (and (not .cse10) (= c_~var_1_8~0 (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode c_~var_1_11~0 c_~var_1_12~0) .cse11))))) (= c_~var_1_6~0 (_ bv10 16)) (not (bvsgt (_ bv32 32) c_~var_1_9~0)) (bvslt (_ bv64 32) (bvsrem .cse9 c_~var_1_9~0)) (fp.leq c_~var_1_11~0 .cse4) (fp.geq c_~var_1_11~0 .cse5) (bvsge .cse0 (_ bv4294967265 32)) (let ((.cse13 (bvadd .cse9 (_ bv10 32)))) (let ((.cse12 (bvsgt .cse13 .cse8))) (or (and (= ((_ extract 15 0) .cse8) c_~var_1_20~0) (not .cse12)) (and .cse12 (= c_~var_1_20~0 ((_ extract 15 0) .cse13)))))) (= (_ bv0 16) c_~last_1_var_1_21~0) (bvsle .cse6 (_ bv63 32)) (= c_currentRoundingMode roundNearestTiesToEven))) is different from false