./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-99.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_eafb9185-6541-49d9-829d-d3fb9d7343cf/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eafb9185-6541-49d9-829d-d3fb9d7343cf/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_eafb9185-6541-49d9-829d-d3fb9d7343cf/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eafb9185-6541-49d9-829d-d3fb9d7343cf/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-99.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eafb9185-6541-49d9-829d-d3fb9d7343cf/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_eafb9185-6541-49d9-829d-d3fb9d7343cf/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 9c73352db6c1456938650bb43c0a668e1b8c13f635423c1618644c32121ceb4a --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 18:54:03,027 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 18:54:03,118 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eafb9185-6541-49d9-829d-d3fb9d7343cf/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-12-02 18:54:03,122 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 18:54:03,123 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 18:54:03,148 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 18:54:03,148 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 18:54:03,149 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 18:54:03,149 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 18:54:03,150 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 18:54:03,151 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 18:54:03,151 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 18:54:03,152 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 18:54:03,152 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 18:54:03,153 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 18:54:03,153 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 18:54:03,154 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 18:54:03,154 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 18:54:03,154 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 18:54:03,155 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 18:54:03,155 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 18:54:03,156 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 18:54:03,157 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 18:54:03,157 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 18:54:03,157 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 18:54:03,158 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 18:54:03,158 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 18:54:03,158 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 18:54:03,159 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 18:54:03,159 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 18:54:03,159 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 18:54:03,160 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 18:54:03,160 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 18:54:03,160 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 18:54:03,161 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 18:54:03,161 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 18:54:03,161 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 18:54:03,161 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 18:54:03,161 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 18:54:03,162 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 18:54:03,162 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 18:54:03,162 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 18:54:03,162 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 18:54:03,162 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 18:54:03,163 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 18:54:03,163 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 18:54:03,163 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 18:54:03,163 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_eafb9185-6541-49d9-829d-d3fb9d7343cf/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eafb9185-6541-49d9-829d-d3fb9d7343cf/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9c73352db6c1456938650bb43c0a668e1b8c13f635423c1618644c32121ceb4a [2023-12-02 18:54:03,412 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 18:54:03,432 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 18:54:03,435 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 18:54:03,436 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 18:54:03,437 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 18:54:03,438 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eafb9185-6541-49d9-829d-d3fb9d7343cf/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-99.i [2023-12-02 18:54:06,135 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 18:54:06,325 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 18:54:06,325 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eafb9185-6541-49d9-829d-d3fb9d7343cf/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-99.i [2023-12-02 18:54:06,335 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eafb9185-6541-49d9-829d-d3fb9d7343cf/bin/utaipan-verify-nQ1chXbOIh/data/3f613f293/b73bd13d94e8487fabe964f4086a2330/FLAG2cbb9bbf0 [2023-12-02 18:54:06,348 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eafb9185-6541-49d9-829d-d3fb9d7343cf/bin/utaipan-verify-nQ1chXbOIh/data/3f613f293/b73bd13d94e8487fabe964f4086a2330 [2023-12-02 18:54:06,350 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 18:54:06,351 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 18:54:06,352 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 18:54:06,352 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 18:54:06,357 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 18:54:06,358 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:54:06" (1/1) ... [2023-12-02 18:54:06,359 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@aee5ac7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:54:06, skipping insertion in model container [2023-12-02 18:54:06,359 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:54:06" (1/1) ... [2023-12-02 18:54:06,396 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 18:54:06,533 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_eafb9185-6541-49d9-829d-d3fb9d7343cf/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-99.i[919,932] [2023-12-02 18:54:06,604 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 18:54:06,617 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 18:54:06,630 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_eafb9185-6541-49d9-829d-d3fb9d7343cf/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-99.i[919,932] [2023-12-02 18:54:06,671 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 18:54:06,690 INFO L206 MainTranslator]: Completed translation [2023-12-02 18:54:06,691 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:54:06 WrapperNode [2023-12-02 18:54:06,691 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 18:54:06,692 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 18:54:06,692 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 18:54:06,693 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 18:54:06,700 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:54:06" (1/1) ... [2023-12-02 18:54:06,714 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:54:06" (1/1) ... [2023-12-02 18:54:06,757 INFO L138 Inliner]: procedures = 26, calls = 48, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 260 [2023-12-02 18:54:06,758 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 18:54:06,758 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 18:54:06,759 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 18:54:06,759 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 18:54:06,768 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:54:06" (1/1) ... [2023-12-02 18:54:06,768 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:54:06" (1/1) ... [2023-12-02 18:54:06,772 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:54:06" (1/1) ... [2023-12-02 18:54:06,773 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:54:06" (1/1) ... [2023-12-02 18:54:06,789 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:54:06" (1/1) ... [2023-12-02 18:54:06,794 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:54:06" (1/1) ... [2023-12-02 18:54:06,798 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:54:06" (1/1) ... [2023-12-02 18:54:06,802 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:54:06" (1/1) ... [2023-12-02 18:54:06,809 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 18:54:06,810 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 18:54:06,810 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 18:54:06,810 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 18:54:06,811 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:54:06" (1/1) ... [2023-12-02 18:54:06,817 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 18:54:06,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eafb9185-6541-49d9-829d-d3fb9d7343cf/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 18:54:06,839 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eafb9185-6541-49d9-829d-d3fb9d7343cf/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 18:54:06,845 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eafb9185-6541-49d9-829d-d3fb9d7343cf/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 18:54:06,879 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 18:54:06,879 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 18:54:06,879 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 18:54:06,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 18:54:06,879 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 18:54:06,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 18:54:06,975 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 18:54:06,978 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 18:54:07,356 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 18:54:07,683 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 18:54:07,683 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 18:54:07,685 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:54:07 BoogieIcfgContainer [2023-12-02 18:54:07,685 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 18:54:07,687 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 18:54:07,688 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 18:54:07,691 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 18:54:07,691 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 06:54:06" (1/3) ... [2023-12-02 18:54:07,692 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c328041 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:54:07, skipping insertion in model container [2023-12-02 18:54:07,692 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:54:06" (2/3) ... [2023-12-02 18:54:07,692 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c328041 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:54:07, skipping insertion in model container [2023-12-02 18:54:07,692 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:54:07" (3/3) ... [2023-12-02 18:54:07,694 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-ci_file-99.i [2023-12-02 18:54:07,713 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 18:54:07,713 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 18:54:07,762 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 18:54:07,769 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;@175d8bbc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 18:54:07,769 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 18:54:07,774 INFO L276 IsEmpty]: Start isEmpty. Operand has 63 states, 25 states have (on average 1.12) internal successors, (28), 26 states have internal predecessors, (28), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2023-12-02 18:54:07,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2023-12-02 18:54:07,788 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:54:07,789 INFO L195 NwaCegarLoop]: trace histogram [35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:54:07,789 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 18:54:07,794 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:54:07,794 INFO L85 PathProgramCache]: Analyzing trace with hash 305251446, now seen corresponding path program 1 times [2023-12-02 18:54:07,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 18:54:07,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1951144283] [2023-12-02 18:54:07,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:54:07,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 18:54:07,975 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 18:54:07,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [430938646] [2023-12-02 18:54:07,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:54:07,976 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 18:54:07,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eafb9185-6541-49d9-829d-d3fb9d7343cf/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 18:54:07,977 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eafb9185-6541-49d9-829d-d3fb9d7343cf/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 18:54:07,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eafb9185-6541-49d9-829d-d3fb9d7343cf/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 18:54:08,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 18:54:08,244 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 18:54:08,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 18:54:08,494 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-12-02 18:54:08,495 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 18:54:08,496 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-02 18:54:08,505 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eafb9185-6541-49d9-829d-d3fb9d7343cf/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-12-02 18:54:08,698 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eafb9185-6541-49d9-829d-d3fb9d7343cf/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-12-02 18:54:08,703 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-12-02 18:54:08,706 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 18:54:08,834 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 06:54:08 BoogieIcfgContainer [2023-12-02 18:54:08,834 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 18:54:08,835 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 18:54:08,835 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 18:54:08,835 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 18:54:08,835 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:54:07" (3/4) ... [2023-12-02 18:54:08,837 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 18:54:08,838 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 18:54:08,839 INFO L158 Benchmark]: Toolchain (without parser) took 2487.29ms. Allocated memory is still 169.9MB. Free memory was 130.8MB in the beginning and 129.3MB in the end (delta: 1.5MB). Peak memory consumption was 3.6MB. Max. memory is 16.1GB. [2023-12-02 18:54:08,839 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 107.0MB. Free memory is still 81.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 18:54:08,840 INFO L158 Benchmark]: CACSL2BoogieTranslator took 339.29ms. Allocated memory is still 169.9MB. Free memory was 130.8MB in the beginning and 114.6MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-02 18:54:08,840 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.64ms. Allocated memory is still 169.9MB. Free memory was 114.6MB in the beginning and 109.1MB in the end (delta: 5.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-02 18:54:08,841 INFO L158 Benchmark]: Boogie Preprocessor took 50.57ms. Allocated memory is still 169.9MB. Free memory was 109.1MB in the beginning and 107.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 18:54:08,842 INFO L158 Benchmark]: RCFGBuilder took 875.09ms. Allocated memory is still 169.9MB. Free memory was 107.0MB in the beginning and 118.3MB in the end (delta: -11.3MB). Peak memory consumption was 67.3MB. Max. memory is 16.1GB. [2023-12-02 18:54:08,842 INFO L158 Benchmark]: TraceAbstraction took 1146.74ms. Allocated memory is still 169.9MB. Free memory was 118.3MB in the beginning and 129.3MB in the end (delta: -11.1MB). Peak memory consumption was 72.7MB. Max. memory is 16.1GB. [2023-12-02 18:54:08,843 INFO L158 Benchmark]: Witness Printer took 3.25ms. Allocated memory is still 169.9MB. Free memory is still 129.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 18:54:08,846 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 107.0MB. Free memory is still 81.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 339.29ms. Allocated memory is still 169.9MB. Free memory was 130.8MB in the beginning and 114.6MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.64ms. Allocated memory is still 169.9MB. Free memory was 114.6MB in the beginning and 109.1MB in the end (delta: 5.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.57ms. Allocated memory is still 169.9MB. Free memory was 109.1MB in the beginning and 107.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 875.09ms. Allocated memory is still 169.9MB. Free memory was 107.0MB in the beginning and 118.3MB in the end (delta: -11.3MB). Peak memory consumption was 67.3MB. Max. memory is 16.1GB. * TraceAbstraction took 1146.74ms. Allocated memory is still 169.9MB. Free memory was 118.3MB in the beginning and 129.3MB in the end (delta: -11.1MB). Peak memory consumption was 72.7MB. Max. memory is 16.1GB. * Witness Printer took 3.25ms. Allocated memory is still 169.9MB. Free memory is still 129.3MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of shiftRight at line 71, overapproximation of bitwiseOr at line 134, overapproximation of someBinaryArithmeticDOUBLEoperation at line 111, overapproximation of someBinaryDOUBLEComparisonOperation at line 122. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 1; [L23] unsigned char var_1_2 = 0; [L24] unsigned char var_1_3 = 0; [L25] unsigned char var_1_4 = 0; [L26] unsigned char var_1_5 = 0; [L27] signed long int var_1_6 = 25; [L28] double var_1_10 = 99999999999.25; [L29] double var_1_11 = 255.25; [L30] double var_1_12 = 1.125; [L31] unsigned char var_1_13 = 2; [L32] unsigned char var_1_14 = 5; [L33] unsigned char var_1_15 = 32; [L34] unsigned char var_1_16 = 4; [L35] unsigned char var_1_17 = 2; [L36] signed char var_1_18 = 4; [L37] signed char var_1_19 = 16; [L38] signed char var_1_20 = 32; [L39] signed char var_1_21 = 25; [L40] signed char var_1_22 = 1; [L41] signed char var_1_23 = 100; [L42] double var_1_24 = 3.125; [L43] double var_1_25 = 0.0; [L44] unsigned short int var_1_26 = 32; [L45] unsigned short int var_1_27 = 36217; [L46] unsigned char var_1_28 = 2; [L47] signed long int var_1_29 = -25; [L48] signed char var_1_31 = 4; [L49] signed char var_1_34 = 64; [L50] signed short int var_1_35 = -5; [L51] signed short int var_1_36 = 64; [L52] signed char var_1_37 = -5; [L53] unsigned char var_1_39 = 1; [L54] unsigned char var_1_40 = 1; [L55] signed char var_1_41 = -32; [L56] unsigned short int var_1_42 = 10; [L57] unsigned long int var_1_44 = 10; [L58] unsigned long int var_1_45 = 2602144630; [L59] unsigned long int var_1_46 = 4; [L60] signed long int var_1_47 = 16; [L61] unsigned char var_1_48 = 0; [L62] unsigned char var_1_50 = 50; [L204] isInitial = 1 [L205] FCALL initially() [L206] COND TRUE 1 [L207] FCALL updateLastVariables() [L208] CALL updateVariables() [L142] var_1_2 = __VERIFIER_nondet_uchar() [L143] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=399999999997/4, var_1_11=1021/4, var_1_12=9/8, var_1_13=2, var_1_14=5, var_1_15=32, var_1_16=4, var_1_17=2, var_1_18=4, var_1_19=16, var_1_1=1, var_1_20=32, var_1_21=25, var_1_22=1, var_1_23=100, var_1_24=25/8, var_1_25=0, var_1_26=32, var_1_27=36217, var_1_28=2, var_1_29=-25, var_1_31=4, var_1_34=64, var_1_35=-5, var_1_36=64, var_1_37=-5, var_1_39=1, var_1_3=0, var_1_40=1, var_1_41=-32, var_1_42=10, var_1_44=10, var_1_45=2602144630, var_1_46=4, var_1_47=16, var_1_48=0, var_1_4=0, var_1_50=50, var_1_5=0, var_1_6=25] [L20] COND FALSE !(!cond) [L143] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=399999999997/4, var_1_11=1021/4, var_1_12=9/8, var_1_13=2, var_1_14=5, var_1_15=32, var_1_16=4, var_1_17=2, var_1_18=4, var_1_19=16, var_1_1=1, var_1_20=32, var_1_21=25, var_1_22=1, var_1_23=100, var_1_24=25/8, var_1_25=0, var_1_26=32, var_1_27=36217, var_1_28=2, var_1_29=-25, var_1_31=4, var_1_34=64, var_1_35=-5, var_1_36=64, var_1_37=-5, var_1_39=1, var_1_3=0, var_1_40=1, var_1_41=-32, var_1_42=10, var_1_44=10, var_1_45=2602144630, var_1_46=4, var_1_47=16, var_1_48=0, var_1_4=0, var_1_50=50, var_1_5=0, var_1_6=25] [L144] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=399999999997/4, var_1_11=1021/4, var_1_12=9/8, var_1_13=2, var_1_14=5, var_1_15=32, var_1_16=4, var_1_17=2, var_1_18=4, var_1_19=16, var_1_1=1, var_1_20=32, var_1_21=25, var_1_22=1, var_1_23=100, var_1_24=25/8, var_1_25=0, var_1_26=32, var_1_27=36217, var_1_28=2, var_1_29=-25, var_1_2=0, var_1_31=4, var_1_34=64, var_1_35=-5, var_1_36=64, var_1_37=-5, var_1_39=1, var_1_3=0, var_1_40=1, var_1_41=-32, var_1_42=10, var_1_44=10, var_1_45=2602144630, var_1_46=4, var_1_47=16, var_1_48=0, var_1_4=0, var_1_50=50, var_1_5=0, var_1_6=25] [L20] COND FALSE !(!cond) [L144] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, var_1_10=399999999997/4, var_1_11=1021/4, var_1_12=9/8, var_1_13=2, var_1_14=5, var_1_15=32, var_1_16=4, var_1_17=2, var_1_18=4, var_1_19=16, var_1_1=1, var_1_20=32, var_1_21=25, var_1_22=1, var_1_23=100, var_1_24=25/8, var_1_25=0, var_1_26=32, var_1_27=36217, var_1_28=2, var_1_29=-25, var_1_2=0, var_1_31=4, var_1_34=64, var_1_35=-5, var_1_36=64, var_1_37=-5, var_1_39=1, var_1_3=0, var_1_40=1, var_1_41=-32, var_1_42=10, var_1_44=10, var_1_45=2602144630, var_1_46=4, var_1_47=16, var_1_48=0, var_1_4=0, var_1_50=50, var_1_5=0, var_1_6=25] [L145] var_1_3 = __VERIFIER_nondet_uchar() [L146] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=399999999997/4, var_1_11=1021/4, var_1_12=9/8, var_1_13=2, var_1_14=5, var_1_15=32, var_1_16=4, var_1_17=2, var_1_18=4, var_1_19=16, var_1_1=1, var_1_20=32, var_1_21=25, var_1_22=1, var_1_23=100, var_1_24=25/8, var_1_25=0, var_1_26=32, var_1_27=36217, var_1_28=2, var_1_29=-25, var_1_2=0, var_1_31=4, var_1_34=64, var_1_35=-5, var_1_36=64, var_1_37=-5, var_1_39=1, var_1_40=1, var_1_41=-32, var_1_42=10, var_1_44=10, var_1_45=2602144630, var_1_46=4, var_1_47=16, var_1_48=0, var_1_4=0, var_1_50=50, var_1_5=0, var_1_6=25] [L20] COND FALSE !(!cond) [L146] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=399999999997/4, var_1_11=1021/4, var_1_12=9/8, var_1_13=2, var_1_14=5, var_1_15=32, var_1_16=4, var_1_17=2, var_1_18=4, var_1_19=16, var_1_1=1, var_1_20=32, var_1_21=25, var_1_22=1, var_1_23=100, var_1_24=25/8, var_1_25=0, var_1_26=32, var_1_27=36217, var_1_28=2, var_1_29=-25, var_1_2=0, var_1_31=4, var_1_34=64, var_1_35=-5, var_1_36=64, var_1_37=-5, var_1_39=1, var_1_40=1, var_1_41=-32, var_1_42=10, var_1_44=10, var_1_45=2602144630, var_1_46=4, var_1_47=16, var_1_48=0, var_1_4=0, var_1_50=50, var_1_5=0, var_1_6=25] [L147] CALL assume_abort_if_not(var_1_3 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=399999999997/4, var_1_11=1021/4, var_1_12=9/8, var_1_13=2, var_1_14=5, var_1_15=32, var_1_16=4, var_1_17=2, var_1_18=4, var_1_19=16, var_1_1=1, var_1_20=32, var_1_21=25, var_1_22=1, var_1_23=100, var_1_24=25/8, var_1_25=0, var_1_26=32, var_1_27=36217, var_1_28=2, var_1_29=-25, var_1_2=0, var_1_31=4, var_1_34=64, var_1_35=-5, var_1_36=64, var_1_37=-5, var_1_39=1, var_1_3=0, var_1_40=1, var_1_41=-32, var_1_42=10, var_1_44=10, var_1_45=2602144630, var_1_46=4, var_1_47=16, var_1_48=0, var_1_4=0, var_1_50=50, var_1_5=0, var_1_6=25] [L20] COND FALSE !(!cond) [L147] RET assume_abort_if_not(var_1_3 <= 0) VAL [isInitial=1, var_1_10=399999999997/4, var_1_11=1021/4, var_1_12=9/8, var_1_13=2, var_1_14=5, var_1_15=32, var_1_16=4, var_1_17=2, var_1_18=4, var_1_19=16, var_1_1=1, var_1_20=32, var_1_21=25, var_1_22=1, var_1_23=100, var_1_24=25/8, var_1_25=0, var_1_26=32, var_1_27=36217, var_1_28=2, var_1_29=-25, var_1_2=0, var_1_31=4, var_1_34=64, var_1_35=-5, var_1_36=64, var_1_37=-5, var_1_39=1, var_1_3=0, var_1_40=1, var_1_41=-32, var_1_42=10, var_1_44=10, var_1_45=2602144630, var_1_46=4, var_1_47=16, var_1_48=0, var_1_4=0, var_1_50=50, var_1_5=0, var_1_6=25] [L148] var_1_4 = __VERIFIER_nondet_uchar() [L149] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=399999999997/4, var_1_11=1021/4, var_1_12=9/8, var_1_13=2, var_1_14=5, var_1_15=32, var_1_16=4, var_1_17=2, var_1_18=4, var_1_19=16, var_1_1=1, var_1_20=32, var_1_21=25, var_1_22=1, var_1_23=100, var_1_24=25/8, var_1_25=0, var_1_26=32, var_1_27=36217, var_1_28=2, var_1_29=-25, var_1_2=0, var_1_31=4, var_1_34=64, var_1_35=-5, var_1_36=64, var_1_37=-5, var_1_39=1, var_1_3=0, var_1_40=1, var_1_41=-32, var_1_42=10, var_1_44=10, var_1_45=2602144630, var_1_46=4, var_1_47=16, var_1_48=0, var_1_50=50, var_1_5=0, var_1_6=25] [L20] COND FALSE !(!cond) [L149] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_10=399999999997/4, var_1_11=1021/4, var_1_12=9/8, var_1_13=2, var_1_14=5, var_1_15=32, var_1_16=4, var_1_17=2, var_1_18=4, var_1_19=16, var_1_1=1, var_1_20=32, var_1_21=25, var_1_22=1, var_1_23=100, var_1_24=25/8, var_1_25=0, var_1_26=32, var_1_27=36217, var_1_28=2, var_1_29=-25, var_1_2=0, var_1_31=4, var_1_34=64, var_1_35=-5, var_1_36=64, var_1_37=-5, var_1_39=1, var_1_3=0, var_1_40=1, var_1_41=-32, var_1_42=10, var_1_44=10, var_1_45=2602144630, var_1_46=4, var_1_47=16, var_1_48=0, var_1_50=50, var_1_5=0, var_1_6=25] [L150] CALL assume_abort_if_not(var_1_4 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=399999999997/4, var_1_11=1021/4, var_1_12=9/8, var_1_13=2, var_1_14=5, var_1_15=32, var_1_16=4, var_1_17=2, var_1_18=4, var_1_19=16, var_1_1=1, var_1_20=32, var_1_21=25, var_1_22=1, var_1_23=100, var_1_24=25/8, var_1_25=0, var_1_26=32, var_1_27=36217, var_1_28=2, var_1_29=-25, var_1_2=0, var_1_31=4, var_1_34=64, var_1_35=-5, var_1_36=64, var_1_37=-5, var_1_39=1, var_1_3=0, var_1_40=1, var_1_41=-32, var_1_42=10, var_1_44=10, var_1_45=2602144630, var_1_46=4, var_1_47=16, var_1_48=0, var_1_4=0, var_1_50=50, var_1_5=0, var_1_6=25] [L20] COND FALSE !(!cond) [L150] RET assume_abort_if_not(var_1_4 <= 0) VAL [isInitial=1, var_1_10=399999999997/4, var_1_11=1021/4, var_1_12=9/8, var_1_13=2, var_1_14=5, var_1_15=32, var_1_16=4, var_1_17=2, var_1_18=4, var_1_19=16, var_1_1=1, var_1_20=32, var_1_21=25, var_1_22=1, var_1_23=100, var_1_24=25/8, var_1_25=0, var_1_26=32, var_1_27=36217, var_1_28=2, var_1_29=-25, var_1_2=0, var_1_31=4, var_1_34=64, var_1_35=-5, var_1_36=64, var_1_37=-5, var_1_39=1, var_1_3=0, var_1_40=1, var_1_41=-32, var_1_42=10, var_1_44=10, var_1_45=2602144630, var_1_46=4, var_1_47=16, var_1_48=0, var_1_4=0, var_1_50=50, var_1_5=0, var_1_6=25] [L151] var_1_5 = __VERIFIER_nondet_uchar() [L152] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=399999999997/4, var_1_11=1021/4, var_1_12=9/8, var_1_13=2, var_1_14=5, var_1_15=32, var_1_16=4, var_1_17=2, var_1_18=4, var_1_19=16, var_1_1=1, var_1_20=32, var_1_21=25, var_1_22=1, var_1_23=100, var_1_24=25/8, var_1_25=0, var_1_26=32, var_1_27=36217, var_1_28=2, var_1_29=-25, var_1_2=0, var_1_31=4, var_1_34=64, var_1_35=-5, var_1_36=64, var_1_37=-5, var_1_39=1, var_1_3=0, var_1_40=1, var_1_41=-32, var_1_42=10, var_1_44=10, var_1_45=2602144630, var_1_46=4, var_1_47=16, var_1_48=0, var_1_4=0, var_1_50=50, var_1_6=25] [L20] COND FALSE !(!cond) [L152] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, var_1_10=399999999997/4, var_1_11=1021/4, var_1_12=9/8, var_1_13=2, var_1_14=5, var_1_15=32, var_1_16=4, var_1_17=2, var_1_18=4, var_1_19=16, var_1_1=1, var_1_20=32, var_1_21=25, var_1_22=1, var_1_23=100, var_1_24=25/8, var_1_25=0, var_1_26=32, var_1_27=36217, var_1_28=2, var_1_29=-25, var_1_2=0, var_1_31=4, var_1_34=64, var_1_35=-5, var_1_36=64, var_1_37=-5, var_1_39=1, var_1_3=0, var_1_40=1, var_1_41=-32, var_1_42=10, var_1_44=10, var_1_45=2602144630, var_1_46=4, var_1_47=16, var_1_48=0, var_1_4=0, var_1_50=50, var_1_6=25] [L153] CALL assume_abort_if_not(var_1_5 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=399999999997/4, var_1_11=1021/4, var_1_12=9/8, var_1_13=2, var_1_14=5, var_1_15=32, var_1_16=4, var_1_17=2, var_1_18=4, var_1_19=16, var_1_1=1, var_1_20=32, var_1_21=25, var_1_22=1, var_1_23=100, var_1_24=25/8, var_1_25=0, var_1_26=32, var_1_27=36217, var_1_28=2, var_1_29=-25, var_1_2=0, var_1_31=4, var_1_34=64, var_1_35=-5, var_1_36=64, var_1_37=-5, var_1_39=1, var_1_3=0, var_1_40=1, var_1_41=-32, var_1_42=10, var_1_44=10, var_1_45=2602144630, var_1_46=4, var_1_47=16, var_1_48=0, var_1_4=0, var_1_50=50, var_1_5=0, var_1_6=25] [L20] COND FALSE !(!cond) [L153] RET assume_abort_if_not(var_1_5 <= 0) VAL [isInitial=1, var_1_10=399999999997/4, var_1_11=1021/4, var_1_12=9/8, var_1_13=2, var_1_14=5, var_1_15=32, var_1_16=4, var_1_17=2, var_1_18=4, var_1_19=16, var_1_1=1, var_1_20=32, var_1_21=25, var_1_22=1, var_1_23=100, var_1_24=25/8, var_1_25=0, var_1_26=32, var_1_27=36217, var_1_28=2, var_1_29=-25, var_1_2=0, var_1_31=4, var_1_34=64, var_1_35=-5, var_1_36=64, var_1_37=-5, var_1_39=1, var_1_3=0, var_1_40=1, var_1_41=-32, var_1_42=10, var_1_44=10, var_1_45=2602144630, var_1_46=4, var_1_47=16, var_1_48=0, var_1_4=0, var_1_50=50, var_1_5=0, var_1_6=25] [L154] var_1_11 = __VERIFIER_nondet_double() [L155] CALL assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=399999999997/4, var_1_12=9/8, var_1_13=2, var_1_14=5, var_1_15=32, var_1_16=4, var_1_17=2, var_1_18=4, var_1_19=16, var_1_1=1, var_1_20=32, var_1_21=25, var_1_22=1, var_1_23=100, var_1_24=25/8, var_1_25=0, var_1_26=32, var_1_27=36217, var_1_28=2, var_1_29=-25, var_1_2=0, var_1_31=4, var_1_34=64, var_1_35=-5, var_1_36=64, var_1_37=-5, var_1_39=1, var_1_3=0, var_1_40=1, var_1_41=-32, var_1_42=10, var_1_44=10, var_1_45=2602144630, var_1_46=4, var_1_47=16, var_1_48=0, var_1_4=0, var_1_50=50, var_1_5=0, var_1_6=25] [L20] COND FALSE !(!cond) [L155] RET assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=399999999997/4, var_1_12=9/8, var_1_13=2, var_1_14=5, var_1_15=32, var_1_16=4, var_1_17=2, var_1_18=4, var_1_19=16, var_1_1=1, var_1_20=32, var_1_21=25, var_1_22=1, var_1_23=100, var_1_24=25/8, var_1_25=0, var_1_26=32, var_1_27=36217, var_1_28=2, var_1_29=-25, var_1_2=0, var_1_31=4, var_1_34=64, var_1_35=-5, var_1_36=64, var_1_37=-5, var_1_39=1, var_1_3=0, var_1_40=1, var_1_41=-32, var_1_42=10, var_1_44=10, var_1_45=2602144630, var_1_46=4, var_1_47=16, var_1_48=0, var_1_4=0, var_1_50=50, var_1_5=0, var_1_6=25] [L156] var_1_12 = __VERIFIER_nondet_double() [L157] CALL assume_abort_if_not((var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=399999999997/4, var_1_13=2, var_1_14=5, var_1_15=32, var_1_16=4, var_1_17=2, var_1_18=4, var_1_19=16, var_1_1=1, var_1_20=32, var_1_21=25, var_1_22=1, var_1_23=100, var_1_24=25/8, var_1_25=0, var_1_26=32, var_1_27=36217, var_1_28=2, var_1_29=-25, var_1_2=0, var_1_31=4, var_1_34=64, var_1_35=-5, var_1_36=64, var_1_37=-5, var_1_39=1, var_1_3=0, var_1_40=1, var_1_41=-32, var_1_42=10, var_1_44=10, var_1_45=2602144630, var_1_46=4, var_1_47=16, var_1_48=0, var_1_4=0, var_1_50=50, var_1_5=0, var_1_6=25] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not((var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=399999999997/4, var_1_13=2, var_1_14=5, var_1_15=32, var_1_16=4, var_1_17=2, var_1_18=4, var_1_19=16, var_1_1=1, var_1_20=32, var_1_21=25, var_1_22=1, var_1_23=100, var_1_24=25/8, var_1_25=0, var_1_26=32, var_1_27=36217, var_1_28=2, var_1_29=-25, var_1_2=0, var_1_31=4, var_1_34=64, var_1_35=-5, var_1_36=64, var_1_37=-5, var_1_39=1, var_1_3=0, var_1_40=1, var_1_41=-32, var_1_42=10, var_1_44=10, var_1_45=2602144630, var_1_46=4, var_1_47=16, var_1_48=0, var_1_4=0, var_1_50=50, var_1_5=0, var_1_6=25] [L158] var_1_14 = __VERIFIER_nondet_uchar() [L159] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=399999999997/4, var_1_13=2, var_1_15=32, var_1_16=4, var_1_17=2, var_1_18=4, var_1_19=16, var_1_1=1, var_1_20=32, var_1_21=25, var_1_22=1, var_1_23=100, var_1_24=25/8, var_1_25=0, var_1_26=32, var_1_27=36217, var_1_28=2, var_1_29=-25, var_1_2=0, var_1_31=4, var_1_34=64, var_1_35=-5, var_1_36=64, var_1_37=-5, var_1_39=1, var_1_3=0, var_1_40=1, var_1_41=-32, var_1_42=10, var_1_44=10, var_1_45=2602144630, var_1_46=4, var_1_47=16, var_1_48=0, var_1_4=0, var_1_50=50, var_1_5=0, var_1_6=25] [L20] COND FALSE !(!cond) [L159] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, var_1_10=399999999997/4, var_1_13=2, var_1_15=32, var_1_16=4, var_1_17=2, var_1_18=4, var_1_19=16, var_1_1=1, var_1_20=32, var_1_21=25, var_1_22=1, var_1_23=100, var_1_24=25/8, var_1_25=0, var_1_26=32, var_1_27=36217, var_1_28=2, var_1_29=-25, var_1_2=0, var_1_31=4, var_1_34=64, var_1_35=-5, var_1_36=64, var_1_37=-5, var_1_39=1, var_1_3=0, var_1_40=1, var_1_41=-32, var_1_42=10, var_1_44=10, var_1_45=2602144630, var_1_46=4, var_1_47=16, var_1_48=0, var_1_4=0, var_1_50=50, var_1_5=0, var_1_6=25] [L160] CALL assume_abort_if_not(var_1_14 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10=399999999997/4, var_1_13=2, var_1_14=2, var_1_15=32, var_1_16=4, var_1_17=2, var_1_18=4, var_1_19=16, var_1_1=1, var_1_20=32, var_1_21=25, var_1_22=1, var_1_23=100, var_1_24=25/8, var_1_25=0, var_1_26=32, var_1_27=36217, var_1_28=2, var_1_29=-25, var_1_2=0, var_1_31=4, var_1_34=64, var_1_35=-5, var_1_36=64, var_1_37=-5, var_1_39=1, var_1_3=0, var_1_40=1, var_1_41=-32, var_1_42=10, var_1_44=10, var_1_45=2602144630, var_1_46=4, var_1_47=16, var_1_48=0, var_1_4=0, var_1_50=50, var_1_5=0, var_1_6=25] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not(var_1_14 <= 254) VAL [isInitial=1, var_1_10=399999999997/4, var_1_13=2, var_1_14=2, var_1_15=32, var_1_16=4, var_1_17=2, var_1_18=4, var_1_19=16, var_1_1=1, var_1_20=32, var_1_21=25, var_1_22=1, var_1_23=100, var_1_24=25/8, var_1_25=0, var_1_26=32, var_1_27=36217, var_1_28=2, var_1_29=-25, var_1_2=0, var_1_31=4, var_1_34=64, var_1_35=-5, var_1_36=64, var_1_37=-5, var_1_39=1, var_1_3=0, var_1_40=1, var_1_41=-32, var_1_42=10, var_1_44=10, var_1_45=2602144630, var_1_46=4, var_1_47=16, var_1_48=0, var_1_4=0, var_1_50=50, var_1_5=0, var_1_6=25] [L161] var_1_16 = __VERIFIER_nondet_uchar() [L162] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=399999999997/4, var_1_13=2, var_1_14=2, var_1_15=32, var_1_17=2, var_1_18=4, var_1_19=16, var_1_1=1, var_1_20=32, var_1_21=25, var_1_22=1, var_1_23=100, var_1_24=25/8, var_1_25=0, var_1_26=32, var_1_27=36217, var_1_28=2, var_1_29=-25, var_1_2=0, var_1_31=4, var_1_34=64, var_1_35=-5, var_1_36=64, var_1_37=-5, var_1_39=1, var_1_3=0, var_1_40=1, var_1_41=-32, var_1_42=10, var_1_44=10, var_1_45=2602144630, var_1_46=4, var_1_47=16, var_1_48=0, var_1_4=0, var_1_50=50, var_1_5=0, var_1_6=25] [L20] COND FALSE !(!cond) [L162] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, var_1_10=399999999997/4, var_1_13=2, var_1_14=2, var_1_15=32, var_1_17=2, var_1_18=4, var_1_19=16, var_1_1=1, var_1_20=32, var_1_21=25, var_1_22=1, var_1_23=100, var_1_24=25/8, var_1_25=0, var_1_26=32, var_1_27=36217, var_1_28=2, var_1_29=-25, var_1_2=0, var_1_31=4, var_1_34=64, var_1_35=-5, var_1_36=64, var_1_37=-5, var_1_39=1, var_1_3=0, var_1_40=1, var_1_41=-32, var_1_42=10, var_1_44=10, var_1_45=2602144630, var_1_46=4, var_1_47=16, var_1_48=0, var_1_4=0, var_1_50=50, var_1_5=0, var_1_6=25] [L163] CALL assume_abort_if_not(var_1_16 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=399999999997/4, var_1_13=2, var_1_14=2, var_1_15=32, var_1_16=1, var_1_17=2, var_1_18=4, var_1_19=16, var_1_1=1, var_1_20=32, var_1_21=25, var_1_22=1, var_1_23=100, var_1_24=25/8, var_1_25=0, var_1_26=32, var_1_27=36217, var_1_28=2, var_1_29=-25, var_1_2=0, var_1_31=4, var_1_34=64, var_1_35=-5, var_1_36=64, var_1_37=-5, var_1_39=1, var_1_3=0, var_1_40=1, var_1_41=-32, var_1_42=10, var_1_44=10, var_1_45=2602144630, var_1_46=4, var_1_47=16, var_1_48=0, var_1_4=0, var_1_50=50, var_1_5=0, var_1_6=25] [L20] COND FALSE !(!cond) [L163] RET assume_abort_if_not(var_1_16 <= 127) VAL [isInitial=1, var_1_10=399999999997/4, var_1_13=2, var_1_14=2, var_1_15=32, var_1_16=1, var_1_17=2, var_1_18=4, var_1_19=16, var_1_1=1, var_1_20=32, var_1_21=25, var_1_22=1, var_1_23=100, var_1_24=25/8, var_1_25=0, var_1_26=32, var_1_27=36217, var_1_28=2, var_1_29=-25, var_1_2=0, var_1_31=4, var_1_34=64, var_1_35=-5, var_1_36=64, var_1_37=-5, var_1_39=1, var_1_3=0, var_1_40=1, var_1_41=-32, var_1_42=10, var_1_44=10, var_1_45=2602144630, var_1_46=4, var_1_47=16, var_1_48=0, var_1_4=0, var_1_50=50, var_1_5=0, var_1_6=25] [L164] var_1_17 = __VERIFIER_nondet_uchar() [L165] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=399999999997/4, var_1_13=2, var_1_14=2, var_1_15=32, var_1_16=1, var_1_18=4, var_1_19=16, var_1_1=1, var_1_20=32, var_1_21=25, var_1_22=1, var_1_23=100, var_1_24=25/8, var_1_25=0, var_1_26=32, var_1_27=36217, var_1_28=2, var_1_29=-25, var_1_2=0, var_1_31=4, var_1_34=64, var_1_35=-5, var_1_36=64, var_1_37=-5, var_1_39=1, var_1_3=0, var_1_40=1, var_1_41=-32, var_1_42=10, var_1_44=10, var_1_45=2602144630, var_1_46=4, var_1_47=16, var_1_48=0, var_1_4=0, var_1_50=50, var_1_5=0, var_1_6=25] [L20] COND FALSE !(!cond) [L165] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, var_1_10=399999999997/4, var_1_13=2, var_1_14=2, var_1_15=32, var_1_16=1, var_1_18=4, var_1_19=16, var_1_1=1, var_1_20=32, var_1_21=25, var_1_22=1, var_1_23=100, var_1_24=25/8, var_1_25=0, var_1_26=32, var_1_27=36217, var_1_28=2, var_1_29=-25, var_1_2=0, var_1_31=4, var_1_34=64, var_1_35=-5, var_1_36=64, var_1_37=-5, var_1_39=1, var_1_3=0, var_1_40=1, var_1_41=-32, var_1_42=10, var_1_44=10, var_1_45=2602144630, var_1_46=4, var_1_47=16, var_1_48=0, var_1_4=0, var_1_50=50, var_1_5=0, var_1_6=25] [L166] CALL assume_abort_if_not(var_1_17 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=399999999997/4, var_1_13=2, var_1_14=2, var_1_15=32, var_1_16=1, var_1_17=1, var_1_18=4, var_1_19=16, var_1_1=1, var_1_20=32, var_1_21=25, var_1_22=1, var_1_23=100, var_1_24=25/8, var_1_25=0, var_1_26=32, var_1_27=36217, var_1_28=2, var_1_29=-25, var_1_2=0, var_1_31=4, var_1_34=64, var_1_35=-5, var_1_36=64, var_1_37=-5, var_1_39=1, var_1_3=0, var_1_40=1, var_1_41=-32, var_1_42=10, var_1_44=10, var_1_45=2602144630, var_1_46=4, var_1_47=16, var_1_48=0, var_1_4=0, var_1_50=50, var_1_5=0, var_1_6=25] [L20] COND FALSE !(!cond) [L166] RET assume_abort_if_not(var_1_17 <= 127) VAL [isInitial=1, var_1_10=399999999997/4, var_1_13=2, var_1_14=2, var_1_15=32, var_1_16=1, var_1_17=1, var_1_18=4, var_1_19=16, var_1_1=1, var_1_20=32, var_1_21=25, var_1_22=1, var_1_23=100, var_1_24=25/8, var_1_25=0, var_1_26=32, var_1_27=36217, var_1_28=2, var_1_29=-25, var_1_2=0, var_1_31=4, var_1_34=64, var_1_35=-5, var_1_36=64, var_1_37=-5, var_1_39=1, var_1_3=0, var_1_40=1, var_1_41=-32, var_1_42=10, var_1_44=10, var_1_45=2602144630, var_1_46=4, var_1_47=16, var_1_48=0, var_1_4=0, var_1_50=50, var_1_5=0, var_1_6=25] [L167] var_1_19 = __VERIFIER_nondet_char() [L168] CALL assume_abort_if_not(var_1_19 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=399999999997/4, var_1_13=2, var_1_14=2, var_1_15=32, var_1_16=1, var_1_17=1, var_1_18=4, var_1_19=63, var_1_1=1, var_1_20=32, var_1_21=25, var_1_22=1, var_1_23=100, var_1_24=25/8, var_1_25=0, var_1_26=32, var_1_27=36217, var_1_28=2, var_1_29=-25, var_1_2=0, var_1_31=4, var_1_34=64, var_1_35=-5, var_1_36=64, var_1_37=-5, var_1_39=1, var_1_3=0, var_1_40=1, var_1_41=-32, var_1_42=10, var_1_44=10, var_1_45=2602144630, var_1_46=4, var_1_47=16, var_1_48=0, var_1_4=0, var_1_50=50, var_1_5=0, var_1_6=25] [L20] COND FALSE !(!cond) [L168] RET assume_abort_if_not(var_1_19 >= 0) VAL [isInitial=1, var_1_10=399999999997/4, var_1_13=2, var_1_14=2, var_1_15=32, var_1_16=1, var_1_17=1, var_1_18=4, var_1_19=63, var_1_1=1, var_1_20=32, var_1_21=25, var_1_22=1, var_1_23=100, var_1_24=25/8, var_1_25=0, var_1_26=32, var_1_27=36217, var_1_28=2, var_1_29=-25, var_1_2=0, var_1_31=4, var_1_34=64, var_1_35=-5, var_1_36=64, var_1_37=-5, var_1_39=1, var_1_3=0, var_1_40=1, var_1_41=-32, var_1_42=10, var_1_44=10, var_1_45=2602144630, var_1_46=4, var_1_47=16, var_1_48=0, var_1_4=0, var_1_50=50, var_1_5=0, var_1_6=25] [L169] CALL assume_abort_if_not(var_1_19 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=399999999997/4, var_1_13=2, var_1_14=2, var_1_15=32, var_1_16=1, var_1_17=1, var_1_18=4, var_1_19=63, var_1_1=1, var_1_20=32, var_1_21=25, var_1_22=1, var_1_23=100, var_1_24=25/8, var_1_25=0, var_1_26=32, var_1_27=36217, var_1_28=2, var_1_29=-25, var_1_2=0, var_1_31=4, var_1_34=64, var_1_35=-5, var_1_36=64, var_1_37=-5, var_1_39=1, var_1_3=0, var_1_40=1, var_1_41=-32, var_1_42=10, var_1_44=10, var_1_45=2602144630, var_1_46=4, var_1_47=16, var_1_48=0, var_1_4=0, var_1_50=50, var_1_5=0, var_1_6=25] [L20] COND FALSE !(!cond) [L169] RET assume_abort_if_not(var_1_19 <= 63) VAL [isInitial=1, var_1_10=399999999997/4, var_1_13=2, var_1_14=2, var_1_15=32, var_1_16=1, var_1_17=1, var_1_18=4, var_1_19=63, var_1_1=1, var_1_20=32, var_1_21=25, var_1_22=1, var_1_23=100, var_1_24=25/8, var_1_25=0, var_1_26=32, var_1_27=36217, var_1_28=2, var_1_29=-25, var_1_2=0, var_1_31=4, var_1_34=64, var_1_35=-5, var_1_36=64, var_1_37=-5, var_1_39=1, var_1_3=0, var_1_40=1, var_1_41=-32, var_1_42=10, var_1_44=10, var_1_45=2602144630, var_1_46=4, var_1_47=16, var_1_48=0, var_1_4=0, var_1_50=50, var_1_5=0, var_1_6=25] [L170] var_1_20 = __VERIFIER_nondet_char() [L171] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=399999999997/4, var_1_13=2, var_1_14=2, var_1_15=32, var_1_16=1, var_1_17=1, var_1_18=4, var_1_19=63, var_1_1=1, var_1_20=0, var_1_21=25, var_1_22=1, var_1_23=100, var_1_24=25/8, var_1_25=0, var_1_26=32, var_1_27=36217, var_1_28=2, var_1_29=-25, var_1_2=0, var_1_31=4, var_1_34=64, var_1_35=-5, var_1_36=64, var_1_37=-5, var_1_39=1, var_1_3=0, var_1_40=1, var_1_41=-32, var_1_42=10, var_1_44=10, var_1_45=2602144630, var_1_46=4, var_1_47=16, var_1_48=0, var_1_4=0, var_1_50=50, var_1_5=0, var_1_6=25] [L20] COND FALSE !(!cond) [L171] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, var_1_10=399999999997/4, var_1_13=2, var_1_14=2, var_1_15=32, var_1_16=1, var_1_17=1, var_1_18=4, var_1_19=63, var_1_1=1, var_1_20=0, var_1_21=25, var_1_22=1, var_1_23=100, var_1_24=25/8, var_1_25=0, var_1_26=32, var_1_27=36217, var_1_28=2, var_1_29=-25, var_1_2=0, var_1_31=4, var_1_34=64, var_1_35=-5, var_1_36=64, var_1_37=-5, var_1_39=1, var_1_3=0, var_1_40=1, var_1_41=-32, var_1_42=10, var_1_44=10, var_1_45=2602144630, var_1_46=4, var_1_47=16, var_1_48=0, var_1_4=0, var_1_50=50, var_1_5=0, var_1_6=25] [L172] CALL assume_abort_if_not(var_1_20 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=399999999997/4, var_1_13=2, var_1_14=2, var_1_15=32, var_1_16=1, var_1_17=1, var_1_18=4, var_1_19=63, var_1_1=1, var_1_20=0, var_1_21=25, var_1_22=1, var_1_23=100, var_1_24=25/8, var_1_25=0, var_1_26=32, var_1_27=36217, var_1_28=2, var_1_29=-25, var_1_2=0, var_1_31=4, var_1_34=64, var_1_35=-5, var_1_36=64, var_1_37=-5, var_1_39=1, var_1_3=0, var_1_40=1, var_1_41=-32, var_1_42=10, var_1_44=10, var_1_45=2602144630, var_1_46=4, var_1_47=16, var_1_48=0, var_1_4=0, var_1_50=50, var_1_5=0, var_1_6=25] [L20] COND FALSE !(!cond) [L172] RET assume_abort_if_not(var_1_20 <= 63) VAL [isInitial=1, var_1_10=399999999997/4, var_1_13=2, var_1_14=2, var_1_15=32, var_1_16=1, var_1_17=1, var_1_18=4, var_1_19=63, var_1_1=1, var_1_20=0, var_1_21=25, var_1_22=1, var_1_23=100, var_1_24=25/8, var_1_25=0, var_1_26=32, var_1_27=36217, var_1_28=2, var_1_29=-25, var_1_2=0, var_1_31=4, var_1_34=64, var_1_35=-5, var_1_36=64, var_1_37=-5, var_1_39=1, var_1_3=0, var_1_40=1, var_1_41=-32, var_1_42=10, var_1_44=10, var_1_45=2602144630, var_1_46=4, var_1_47=16, var_1_48=0, var_1_4=0, var_1_50=50, var_1_5=0, var_1_6=25] [L173] var_1_21 = __VERIFIER_nondet_char() [L174] CALL assume_abort_if_not(var_1_21 >= -63) VAL [\old(cond)=1, isInitial=1, var_1_10=399999999997/4, var_1_13=2, var_1_14=2, var_1_15=32, var_1_16=1, var_1_17=1, var_1_18=4, var_1_19=63, var_1_1=1, var_1_20=0, var_1_21=-63, var_1_22=1, var_1_23=100, var_1_24=25/8, var_1_25=0, var_1_26=32, var_1_27=36217, var_1_28=2, var_1_29=-25, var_1_2=0, var_1_31=4, var_1_34=64, var_1_35=-5, var_1_36=64, var_1_37=-5, var_1_39=1, var_1_3=0, var_1_40=1, var_1_41=-32, var_1_42=10, var_1_44=10, var_1_45=2602144630, var_1_46=4, var_1_47=16, var_1_48=0, var_1_4=0, var_1_50=50, var_1_5=0, var_1_6=25] [L20] COND FALSE !(!cond) [L174] RET assume_abort_if_not(var_1_21 >= -63) VAL [isInitial=1, var_1_10=399999999997/4, var_1_13=2, var_1_14=2, var_1_15=32, var_1_16=1, var_1_17=1, var_1_18=4, var_1_19=63, var_1_1=1, var_1_20=0, var_1_21=-63, var_1_22=1, var_1_23=100, var_1_24=25/8, var_1_25=0, var_1_26=32, var_1_27=36217, var_1_28=2, var_1_29=-25, var_1_2=0, var_1_31=4, var_1_34=64, var_1_35=-5, var_1_36=64, var_1_37=-5, var_1_39=1, var_1_3=0, var_1_40=1, var_1_41=-32, var_1_42=10, var_1_44=10, var_1_45=2602144630, var_1_46=4, var_1_47=16, var_1_48=0, var_1_4=0, var_1_50=50, var_1_5=0, var_1_6=25] [L175] CALL assume_abort_if_not(var_1_21 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=399999999997/4, var_1_13=2, var_1_14=2, var_1_15=32, var_1_16=1, var_1_17=1, var_1_18=4, var_1_19=63, var_1_1=1, var_1_20=0, var_1_21=-63, var_1_22=1, var_1_23=100, var_1_24=25/8, var_1_25=0, var_1_26=32, var_1_27=36217, var_1_28=2, var_1_29=-25, var_1_2=0, var_1_31=4, var_1_34=64, var_1_35=-5, var_1_36=64, var_1_37=-5, var_1_39=1, var_1_3=0, var_1_40=1, var_1_41=-32, var_1_42=10, var_1_44=10, var_1_45=2602144630, var_1_46=4, var_1_47=16, var_1_48=0, var_1_4=0, var_1_50=50, var_1_5=0, var_1_6=25] [L20] COND FALSE !(!cond) [L175] RET assume_abort_if_not(var_1_21 <= 63) VAL [isInitial=1, var_1_10=399999999997/4, var_1_13=2, var_1_14=2, var_1_15=32, var_1_16=1, var_1_17=1, var_1_18=4, var_1_19=63, var_1_1=1, var_1_20=0, var_1_21=-63, var_1_22=1, var_1_23=100, var_1_24=25/8, var_1_25=0, var_1_26=32, var_1_27=36217, var_1_28=2, var_1_29=-25, var_1_2=0, var_1_31=4, var_1_34=64, var_1_35=-5, var_1_36=64, var_1_37=-5, var_1_39=1, var_1_3=0, var_1_40=1, var_1_41=-32, var_1_42=10, var_1_44=10, var_1_45=2602144630, var_1_46=4, var_1_47=16, var_1_48=0, var_1_4=0, var_1_50=50, var_1_5=0, var_1_6=25] [L176] var_1_22 = __VERIFIER_nondet_char() [L177] CALL assume_abort_if_not(var_1_22 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_10=399999999997/4, var_1_13=2, var_1_14=2, var_1_15=32, var_1_16=1, var_1_17=1, var_1_18=4, var_1_19=63, var_1_1=1, var_1_20=0, var_1_21=-63, var_1_22=126, var_1_23=100, var_1_24=25/8, var_1_25=0, var_1_26=32, var_1_27=36217, var_1_28=2, var_1_29=-25, var_1_2=0, var_1_31=4, var_1_34=64, var_1_35=-5, var_1_36=64, var_1_37=-5, var_1_39=1, var_1_3=0, var_1_40=1, var_1_41=-32, var_1_42=10, var_1_44=10, var_1_45=2602144630, var_1_46=4, var_1_47=16, var_1_48=0, var_1_4=0, var_1_50=50, var_1_5=0, var_1_6=25] [L20] COND FALSE !(!cond) [L177] RET assume_abort_if_not(var_1_22 >= -1) VAL [isInitial=1, var_1_10=399999999997/4, var_1_13=2, var_1_14=2, var_1_15=32, var_1_16=1, var_1_17=1, var_1_18=4, var_1_19=63, var_1_1=1, var_1_20=0, var_1_21=-63, var_1_22=126, var_1_23=100, var_1_24=25/8, var_1_25=0, var_1_26=32, var_1_27=36217, var_1_28=2, var_1_29=-25, var_1_2=0, var_1_31=4, var_1_34=64, var_1_35=-5, var_1_36=64, var_1_37=-5, var_1_39=1, var_1_3=0, var_1_40=1, var_1_41=-32, var_1_42=10, var_1_44=10, var_1_45=2602144630, var_1_46=4, var_1_47=16, var_1_48=0, var_1_4=0, var_1_50=50, var_1_5=0, var_1_6=25] [L178] CALL assume_abort_if_not(var_1_22 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=399999999997/4, var_1_13=2, var_1_14=2, var_1_15=32, var_1_16=1, var_1_17=1, var_1_18=4, var_1_19=63, var_1_1=1, var_1_20=0, var_1_21=-63, var_1_22=126, var_1_23=100, var_1_24=25/8, var_1_25=0, var_1_26=32, var_1_27=36217, var_1_28=2, var_1_29=-25, var_1_2=0, var_1_31=4, var_1_34=64, var_1_35=-5, var_1_36=64, var_1_37=-5, var_1_39=1, var_1_3=0, var_1_40=1, var_1_41=-32, var_1_42=10, var_1_44=10, var_1_45=2602144630, var_1_46=4, var_1_47=16, var_1_48=0, var_1_4=0, var_1_50=50, var_1_5=0, var_1_6=25] [L20] COND FALSE !(!cond) [L178] RET assume_abort_if_not(var_1_22 <= 126) VAL [isInitial=1, var_1_10=399999999997/4, var_1_13=2, var_1_14=2, var_1_15=32, var_1_16=1, var_1_17=1, var_1_18=4, var_1_19=63, var_1_1=1, var_1_20=0, var_1_21=-63, var_1_22=126, var_1_23=100, var_1_24=25/8, var_1_25=0, var_1_26=32, var_1_27=36217, var_1_28=2, var_1_29=-25, var_1_2=0, var_1_31=4, var_1_34=64, var_1_35=-5, var_1_36=64, var_1_37=-5, var_1_39=1, var_1_3=0, var_1_40=1, var_1_41=-32, var_1_42=10, var_1_44=10, var_1_45=2602144630, var_1_46=4, var_1_47=16, var_1_48=0, var_1_4=0, var_1_50=50, var_1_5=0, var_1_6=25] [L179] var_1_23 = __VERIFIER_nondet_char() [L180] CALL assume_abort_if_not(var_1_23 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=399999999997/4, var_1_13=2, var_1_14=2, var_1_15=32, var_1_16=1, var_1_17=1, var_1_18=4, var_1_19=63, var_1_1=1, var_1_20=0, var_1_21=-63, var_1_22=126, var_1_23=1, var_1_24=25/8, var_1_25=0, var_1_26=32, var_1_27=36217, var_1_28=2, var_1_29=-25, var_1_2=0, var_1_31=4, var_1_34=64, var_1_35=-5, var_1_36=64, var_1_37=-5, var_1_39=1, var_1_3=0, var_1_40=1, var_1_41=-32, var_1_42=10, var_1_44=10, var_1_45=2602144630, var_1_46=4, var_1_47=16, var_1_48=0, var_1_4=0, var_1_50=50, var_1_5=0, var_1_6=25] [L20] COND FALSE !(!cond) [L180] RET assume_abort_if_not(var_1_23 >= 0) VAL [isInitial=1, var_1_10=399999999997/4, var_1_13=2, var_1_14=2, var_1_15=32, var_1_16=1, var_1_17=1, var_1_18=4, var_1_19=63, var_1_1=1, var_1_20=0, var_1_21=-63, var_1_22=126, var_1_23=1, var_1_24=25/8, var_1_25=0, var_1_26=32, var_1_27=36217, var_1_28=2, var_1_29=-25, var_1_2=0, var_1_31=4, var_1_34=64, var_1_35=-5, var_1_36=64, var_1_37=-5, var_1_39=1, var_1_3=0, var_1_40=1, var_1_41=-32, var_1_42=10, var_1_44=10, var_1_45=2602144630, var_1_46=4, var_1_47=16, var_1_48=0, var_1_4=0, var_1_50=50, var_1_5=0, var_1_6=25] [L181] CALL assume_abort_if_not(var_1_23 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=399999999997/4, var_1_13=2, var_1_14=2, var_1_15=32, var_1_16=1, var_1_17=1, var_1_18=4, var_1_19=63, var_1_1=1, var_1_20=0, var_1_21=-63, var_1_22=126, var_1_23=1, var_1_24=25/8, var_1_25=0, var_1_26=32, var_1_27=36217, var_1_28=2, var_1_29=-25, var_1_2=0, var_1_31=4, var_1_34=64, var_1_35=-5, var_1_36=64, var_1_37=-5, var_1_39=1, var_1_3=0, var_1_40=1, var_1_41=-32, var_1_42=10, var_1_44=10, var_1_45=2602144630, var_1_46=4, var_1_47=16, var_1_48=0, var_1_4=0, var_1_50=50, var_1_5=0, var_1_6=25] [L20] COND FALSE !(!cond) [L181] RET assume_abort_if_not(var_1_23 <= 126) VAL [isInitial=1, var_1_10=399999999997/4, var_1_13=2, var_1_14=2, var_1_15=32, var_1_16=1, var_1_17=1, var_1_18=4, var_1_19=63, var_1_1=1, var_1_20=0, var_1_21=-63, var_1_22=126, var_1_23=1, var_1_24=25/8, var_1_25=0, var_1_26=32, var_1_27=36217, var_1_28=2, var_1_29=-25, var_1_2=0, var_1_31=4, var_1_34=64, var_1_35=-5, var_1_36=64, var_1_37=-5, var_1_39=1, var_1_3=0, var_1_40=1, var_1_41=-32, var_1_42=10, var_1_44=10, var_1_45=2602144630, var_1_46=4, var_1_47=16, var_1_48=0, var_1_4=0, var_1_50=50, var_1_5=0, var_1_6=25] [L182] var_1_25 = __VERIFIER_nondet_double() [L183] CALL assume_abort_if_not((var_1_25 >= 4611686.018427382800e+12F && var_1_25 <= -1.0e-20F) || (var_1_25 <= 9223372.036854765600e+12F && var_1_25 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=399999999997/4, var_1_13=2, var_1_14=2, var_1_15=32, var_1_16=1, var_1_17=1, var_1_18=4, var_1_19=63, var_1_1=1, var_1_20=0, var_1_21=-63, var_1_22=126, var_1_23=1, var_1_24=25/8, var_1_26=32, var_1_27=36217, var_1_28=2, var_1_29=-25, var_1_2=0, var_1_31=4, var_1_34=64, var_1_35=-5, var_1_36=64, var_1_37=-5, var_1_39=1, var_1_3=0, var_1_40=1, var_1_41=-32, var_1_42=10, var_1_44=10, var_1_45=2602144630, var_1_46=4, var_1_47=16, var_1_48=0, var_1_4=0, var_1_50=50, var_1_5=0, var_1_6=25] [L20] COND FALSE !(!cond) [L183] RET assume_abort_if_not((var_1_25 >= 4611686.018427382800e+12F && var_1_25 <= -1.0e-20F) || (var_1_25 <= 9223372.036854765600e+12F && var_1_25 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=399999999997/4, var_1_13=2, var_1_14=2, var_1_15=32, var_1_16=1, var_1_17=1, var_1_18=4, var_1_19=63, var_1_1=1, var_1_20=0, var_1_21=-63, var_1_22=126, var_1_23=1, var_1_24=25/8, var_1_26=32, var_1_27=36217, var_1_28=2, var_1_29=-25, var_1_2=0, var_1_31=4, var_1_34=64, var_1_35=-5, var_1_36=64, var_1_37=-5, var_1_39=1, var_1_3=0, var_1_40=1, var_1_41=-32, var_1_42=10, var_1_44=10, var_1_45=2602144630, var_1_46=4, var_1_47=16, var_1_48=0, var_1_4=0, var_1_50=50, var_1_5=0, var_1_6=25] [L184] var_1_27 = __VERIFIER_nondet_ushort() [L185] CALL assume_abort_if_not(var_1_27 >= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=399999999997/4, var_1_13=2, var_1_14=2, var_1_15=32, var_1_16=1, var_1_17=1, var_1_18=4, var_1_19=63, var_1_1=1, var_1_20=0, var_1_21=-63, var_1_22=126, var_1_23=1, var_1_24=25/8, var_1_26=32, var_1_27=32767, var_1_28=2, var_1_29=-25, var_1_2=0, var_1_31=4, var_1_34=64, var_1_35=-5, var_1_36=64, var_1_37=-5, var_1_39=1, var_1_3=0, var_1_40=1, var_1_41=-32, var_1_42=10, var_1_44=10, var_1_45=2602144630, var_1_46=4, var_1_47=16, var_1_48=0, var_1_4=0, var_1_50=50, var_1_5=0, var_1_6=25] [L20] COND FALSE !(!cond) [L185] RET assume_abort_if_not(var_1_27 >= 32767) VAL [isInitial=1, var_1_10=399999999997/4, var_1_13=2, var_1_14=2, var_1_15=32, var_1_16=1, var_1_17=1, var_1_18=4, var_1_19=63, var_1_1=1, var_1_20=0, var_1_21=-63, var_1_22=126, var_1_23=1, var_1_24=25/8, var_1_26=32, var_1_27=32767, var_1_28=2, var_1_29=-25, var_1_2=0, var_1_31=4, var_1_34=64, var_1_35=-5, var_1_36=64, var_1_37=-5, var_1_39=1, var_1_3=0, var_1_40=1, var_1_41=-32, var_1_42=10, var_1_44=10, var_1_45=2602144630, var_1_46=4, var_1_47=16, var_1_48=0, var_1_4=0, var_1_50=50, var_1_5=0, var_1_6=25] [L186] CALL assume_abort_if_not(var_1_27 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=399999999997/4, var_1_13=2, var_1_14=2, var_1_15=32, var_1_16=1, var_1_17=1, var_1_18=4, var_1_19=63, var_1_1=1, var_1_20=0, var_1_21=-63, var_1_22=126, var_1_23=1, var_1_24=25/8, var_1_26=32, var_1_27=32767, var_1_28=2, var_1_29=-25, var_1_2=0, var_1_31=4, var_1_34=64, var_1_35=-5, var_1_36=64, var_1_37=-5, var_1_39=1, var_1_3=0, var_1_40=1, var_1_41=-32, var_1_42=10, var_1_44=10, var_1_45=2602144630, var_1_46=4, var_1_47=16, var_1_48=0, var_1_4=0, var_1_50=50, var_1_5=0, var_1_6=25] [L20] COND FALSE !(!cond) [L186] RET assume_abort_if_not(var_1_27 <= 65534) VAL [isInitial=1, var_1_10=399999999997/4, var_1_13=2, var_1_14=2, var_1_15=32, var_1_16=1, var_1_17=1, var_1_18=4, var_1_19=63, var_1_1=1, var_1_20=0, var_1_21=-63, var_1_22=126, var_1_23=1, var_1_24=25/8, var_1_26=32, var_1_27=32767, var_1_28=2, var_1_29=-25, var_1_2=0, var_1_31=4, var_1_34=64, var_1_35=-5, var_1_36=64, var_1_37=-5, var_1_39=1, var_1_3=0, var_1_40=1, var_1_41=-32, var_1_42=10, var_1_44=10, var_1_45=2602144630, var_1_46=4, var_1_47=16, var_1_48=0, var_1_4=0, var_1_50=50, var_1_5=0, var_1_6=25] [L187] var_1_34 = __VERIFIER_nondet_char() [L188] CALL assume_abort_if_not(var_1_34 >= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=399999999997/4, var_1_13=2, var_1_14=2, var_1_15=32, var_1_16=1, var_1_17=1, var_1_18=4, var_1_19=63, var_1_1=1, var_1_20=0, var_1_21=-63, var_1_22=126, var_1_23=1, var_1_24=25/8, var_1_26=32, var_1_27=32767, var_1_28=2, var_1_29=-25, var_1_2=0, var_1_31=4, var_1_34=91, var_1_35=-5, var_1_36=64, var_1_37=-5, var_1_39=1, var_1_3=0, var_1_40=1, var_1_41=-32, var_1_42=10, var_1_44=10, var_1_45=2602144630, var_1_46=4, var_1_47=16, var_1_48=0, var_1_4=0, var_1_50=50, var_1_5=0, var_1_6=25] [L20] COND FALSE !(!cond) [L188] RET assume_abort_if_not(var_1_34 >= 63) VAL [isInitial=1, var_1_10=399999999997/4, var_1_13=2, var_1_14=2, var_1_15=32, var_1_16=1, var_1_17=1, var_1_18=4, var_1_19=63, var_1_1=1, var_1_20=0, var_1_21=-63, var_1_22=126, var_1_23=1, var_1_24=25/8, var_1_26=32, var_1_27=32767, var_1_28=2, var_1_29=-25, var_1_2=0, var_1_31=4, var_1_34=91, var_1_35=-5, var_1_36=64, var_1_37=-5, var_1_39=1, var_1_3=0, var_1_40=1, var_1_41=-32, var_1_42=10, var_1_44=10, var_1_45=2602144630, var_1_46=4, var_1_47=16, var_1_48=0, var_1_4=0, var_1_50=50, var_1_5=0, var_1_6=25] [L189] CALL assume_abort_if_not(var_1_34 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=399999999997/4, var_1_13=2, var_1_14=2, var_1_15=32, var_1_16=1, var_1_17=1, var_1_18=4, var_1_19=63, var_1_1=1, var_1_20=0, var_1_21=-63, var_1_22=126, var_1_23=1, var_1_24=25/8, var_1_26=32, var_1_27=32767, var_1_28=2, var_1_29=-25, var_1_2=0, var_1_31=4, var_1_34=91, var_1_35=-5, var_1_36=64, var_1_37=-5, var_1_39=1, var_1_3=0, var_1_40=1, var_1_41=-32, var_1_42=10, var_1_44=10, var_1_45=2602144630, var_1_46=4, var_1_47=16, var_1_48=0, var_1_4=0, var_1_50=50, var_1_5=0, var_1_6=25] [L20] COND FALSE !(!cond) [L189] RET assume_abort_if_not(var_1_34 <= 126) VAL [isInitial=1, var_1_10=399999999997/4, var_1_13=2, var_1_14=2, var_1_15=32, var_1_16=1, var_1_17=1, var_1_18=4, var_1_19=63, var_1_1=1, var_1_20=0, var_1_21=-63, var_1_22=126, var_1_23=1, var_1_24=25/8, var_1_26=32, var_1_27=32767, var_1_28=2, var_1_29=-25, var_1_2=0, var_1_31=4, var_1_34=91, var_1_35=-5, var_1_36=64, var_1_37=-5, var_1_39=1, var_1_3=0, var_1_40=1, var_1_41=-32, var_1_42=10, var_1_44=10, var_1_45=2602144630, var_1_46=4, var_1_47=16, var_1_48=0, var_1_4=0, var_1_50=50, var_1_5=0, var_1_6=25] [L190] var_1_40 = __VERIFIER_nondet_uchar() [L191] CALL assume_abort_if_not(var_1_40 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=399999999997/4, var_1_13=2, var_1_14=2, var_1_15=32, var_1_16=1, var_1_17=1, var_1_18=4, var_1_19=63, var_1_1=1, var_1_20=0, var_1_21=-63, var_1_22=126, var_1_23=1, var_1_24=25/8, var_1_26=32, var_1_27=32767, var_1_28=2, var_1_29=-25, var_1_2=0, var_1_31=4, var_1_34=91, var_1_35=-5, var_1_36=64, var_1_37=-5, var_1_39=1, var_1_3=0, var_1_40=1, var_1_41=-32, var_1_42=10, var_1_44=10, var_1_45=2602144630, var_1_46=4, var_1_47=16, var_1_48=0, var_1_4=0, var_1_50=50, var_1_5=0, var_1_6=25] [L20] COND FALSE !(!cond) [L191] RET assume_abort_if_not(var_1_40 >= 1) VAL [isInitial=1, var_1_10=399999999997/4, var_1_13=2, var_1_14=2, var_1_15=32, var_1_16=1, var_1_17=1, var_1_18=4, var_1_19=63, var_1_1=1, var_1_20=0, var_1_21=-63, var_1_22=126, var_1_23=1, var_1_24=25/8, var_1_26=32, var_1_27=32767, var_1_28=2, var_1_29=-25, var_1_2=0, var_1_31=4, var_1_34=91, var_1_35=-5, var_1_36=64, var_1_37=-5, var_1_39=1, var_1_3=0, var_1_40=1, var_1_41=-32, var_1_42=10, var_1_44=10, var_1_45=2602144630, var_1_46=4, var_1_47=16, var_1_48=0, var_1_4=0, var_1_50=50, var_1_5=0, var_1_6=25] [L192] CALL assume_abort_if_not(var_1_40 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=399999999997/4, var_1_13=2, var_1_14=2, var_1_15=32, var_1_16=1, var_1_17=1, var_1_18=4, var_1_19=63, var_1_1=1, var_1_20=0, var_1_21=-63, var_1_22=126, var_1_23=1, var_1_24=25/8, var_1_26=32, var_1_27=32767, var_1_28=2, var_1_29=-25, var_1_2=0, var_1_31=4, var_1_34=91, var_1_35=-5, var_1_36=64, var_1_37=-5, var_1_39=1, var_1_3=0, var_1_40=1, var_1_41=-32, var_1_42=10, var_1_44=10, var_1_45=2602144630, var_1_46=4, var_1_47=16, var_1_48=0, var_1_4=0, var_1_50=50, var_1_5=0, var_1_6=25] [L20] COND FALSE !(!cond) [L192] RET assume_abort_if_not(var_1_40 <= 1) VAL [isInitial=1, var_1_10=399999999997/4, var_1_13=2, var_1_14=2, var_1_15=32, var_1_16=1, var_1_17=1, var_1_18=4, var_1_19=63, var_1_1=1, var_1_20=0, var_1_21=-63, var_1_22=126, var_1_23=1, var_1_24=25/8, var_1_26=32, var_1_27=32767, var_1_28=2, var_1_29=-25, var_1_2=0, var_1_31=4, var_1_34=91, var_1_35=-5, var_1_36=64, var_1_37=-5, var_1_39=1, var_1_3=0, var_1_40=1, var_1_41=-32, var_1_42=10, var_1_44=10, var_1_45=2602144630, var_1_46=4, var_1_47=16, var_1_48=0, var_1_4=0, var_1_50=50, var_1_5=0, var_1_6=25] [L193] var_1_45 = __VERIFIER_nondet_ulong() [L194] CALL assume_abort_if_not(var_1_45 >= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=399999999997/4, var_1_13=2, var_1_14=2, var_1_15=32, var_1_16=1, var_1_17=1, var_1_18=4, var_1_19=63, var_1_1=1, var_1_20=0, var_1_21=-63, var_1_22=126, var_1_23=1, var_1_24=25/8, var_1_26=32, var_1_27=32767, var_1_28=2, var_1_29=-25, var_1_2=0, var_1_31=4, var_1_34=91, var_1_35=-5, var_1_36=64, var_1_37=-5, var_1_39=1, var_1_3=0, var_1_40=1, var_1_41=-32, var_1_42=10, var_1_44=10, var_1_45=2147483647, var_1_46=4, var_1_47=16, var_1_48=0, var_1_4=0, var_1_50=50, var_1_5=0, var_1_6=25] [L20] COND FALSE !(!cond) [L194] RET assume_abort_if_not(var_1_45 >= 2147483647) VAL [isInitial=1, var_1_10=399999999997/4, var_1_13=2, var_1_14=2, var_1_15=32, var_1_16=1, var_1_17=1, var_1_18=4, var_1_19=63, var_1_1=1, var_1_20=0, var_1_21=-63, var_1_22=126, var_1_23=1, var_1_24=25/8, var_1_26=32, var_1_27=32767, var_1_28=2, var_1_29=-25, var_1_2=0, var_1_31=4, var_1_34=91, var_1_35=-5, var_1_36=64, var_1_37=-5, var_1_39=1, var_1_3=0, var_1_40=1, var_1_41=-32, var_1_42=10, var_1_44=10, var_1_45=2147483647, var_1_46=4, var_1_47=16, var_1_48=0, var_1_4=0, var_1_50=50, var_1_5=0, var_1_6=25] [L195] CALL assume_abort_if_not(var_1_45 <= 4294967294) VAL [\old(cond)=1, isInitial=1, var_1_10=399999999997/4, var_1_13=2, var_1_14=2, var_1_15=32, var_1_16=1, var_1_17=1, var_1_18=4, var_1_19=63, var_1_1=1, var_1_20=0, var_1_21=-63, var_1_22=126, var_1_23=1, var_1_24=25/8, var_1_26=32, var_1_27=32767, var_1_28=2, var_1_29=-25, var_1_2=0, var_1_31=4, var_1_34=91, var_1_35=-5, var_1_36=64, var_1_37=-5, var_1_39=1, var_1_3=0, var_1_40=1, var_1_41=-32, var_1_42=10, var_1_44=10, var_1_45=2147483647, var_1_46=4, var_1_47=16, var_1_48=0, var_1_4=0, var_1_50=50, var_1_5=0, var_1_6=25] [L20] COND FALSE !(!cond) [L195] RET assume_abort_if_not(var_1_45 <= 4294967294) VAL [isInitial=1, var_1_10=399999999997/4, var_1_13=2, var_1_14=2, var_1_15=32, var_1_16=1, var_1_17=1, var_1_18=4, var_1_19=63, var_1_1=1, var_1_20=0, var_1_21=-63, var_1_22=126, var_1_23=1, var_1_24=25/8, var_1_26=32, var_1_27=32767, var_1_28=2, var_1_29=-25, var_1_2=0, var_1_31=4, var_1_34=91, var_1_35=-5, var_1_36=64, var_1_37=-5, var_1_39=1, var_1_3=0, var_1_40=1, var_1_41=-32, var_1_42=10, var_1_44=10, var_1_45=2147483647, var_1_46=4, var_1_47=16, var_1_48=0, var_1_4=0, var_1_50=50, var_1_5=0, var_1_6=25] [L208] RET updateVariables() [L209] CALL step() [L66] COND FALSE !(\read(var_1_2)) [L69] var_1_1 = (var_1_3 || (var_1_4 || var_1_5)) [L71] EXPR var_1_16 >> var_1_14 [L71] COND TRUE (var_1_16 >> var_1_14) >= var_1_20 [L72] var_1_31 = ((((var_1_21) > ((4 - (var_1_34 - 25)))) ? (var_1_21) : ((4 - (var_1_34 - 25))))) [L76] var_1_48 = var_1_4 [L77] COND TRUE ! var_1_5 [L78] var_1_15 = (((((var_1_16 + var_1_17)) > (var_1_14)) ? ((var_1_16 + var_1_17)) : (var_1_14))) [L80] COND FALSE !(var_1_14 < (var_1_21 * var_1_20)) [L87] COND FALSE !(\read(var_1_1)) [L90] var_1_37 = ((((var_1_34) < (var_1_21)) ? (var_1_34) : (var_1_21))) [L92] var_1_18 = ((((((var_1_19 - var_1_20) + var_1_21)) > ((var_1_22 - var_1_23))) ? (((var_1_19 - var_1_20) + var_1_21)) : ((var_1_22 - var_1_23)))) [L93] var_1_35 = var_1_34 [L94] COND FALSE !(var_1_17 < var_1_16) [L97] var_1_47 = var_1_16 [L98] COND FALSE !(\read(var_1_1)) [L101] COND TRUE var_1_26 > var_1_14 [L102] var_1_42 = ((((((((var_1_34) < (var_1_14)) ? (var_1_34) : (var_1_14)))) > (((((32) < 0 ) ? -(32) : (32))))) ? (((((var_1_34) < (var_1_14)) ? (var_1_34) : (var_1_14)))) : (((((32) < 0 ) ? -(32) : (32)))))) [L106] var_1_28 = var_1_16 [L107] var_1_6 = ((var_1_28 - var_1_26) + var_1_26) [L108] COND FALSE !(var_1_26 < (var_1_6 * var_1_28)) [L115] var_1_10 = var_1_12 [L117] var_1_39 = var_1_40 [L118] COND TRUE \read(var_1_40) [L119] var_1_41 = ((((4) < 0 ) ? -(4) : (4))) [L121] signed long int stepLocal_0 = - var_1_26; [L122] COND FALSE !(var_1_12 != var_1_10) [L125] COND FALSE !(stepLocal_0 > var_1_14) [L128] var_1_13 = 25 [L131] var_1_29 = var_1_26 [L132] var_1_50 = var_1_34 [L133] signed char stepLocal_1 = var_1_23; [L134] EXPR var_1_20 ^ var_1_28 [L134] COND TRUE stepLocal_1 >= (var_1_20 ^ var_1_28) [L135] var_1_24 = ((((((((var_1_12) < (var_1_11)) ? (var_1_12) : (var_1_11)))) > (((var_1_25 - 25.5) - 127.125))) ? (((((var_1_12) < (var_1_11)) ? (var_1_12) : (var_1_11)))) : (((var_1_25 - 25.5) - 127.125)))) [L137] COND TRUE var_1_28 <= var_1_34 [L138] var_1_44 = (((((((var_1_45 - var_1_34) < 0 ) ? -(var_1_45 - var_1_34) : (var_1_45 - var_1_34))) < 0 ) ? -((((var_1_45 - var_1_34) < 0 ) ? -(var_1_45 - var_1_34) : (var_1_45 - var_1_34))) : ((((var_1_45 - var_1_34) < 0 ) ? -(var_1_45 - var_1_34) : (var_1_45 - var_1_34))))) [L209] RET step() [L210] CALL, EXPR property() [L200] EXPR ((((((var_1_2 ? (var_1_1 == ((unsigned char) (var_1_3 || var_1_4))) : (var_1_1 == ((unsigned char) (var_1_3 || (var_1_4 || var_1_5))))) && (var_1_6 == ((signed long int) ((var_1_28 - var_1_26) + var_1_26)))) && ((var_1_26 < (var_1_6 * var_1_28)) ? (var_1_3 ? ((var_1_26 <= var_1_6) ? (var_1_10 == ((double) (var_1_11 - var_1_12))) : 1) : 1) : (var_1_10 == ((double) var_1_12)))) && ((var_1_12 != var_1_10) ? (var_1_13 == ((unsigned char) var_1_14)) : (((- var_1_26) > var_1_14) ? (var_1_13 == ((unsigned char) var_1_14)) : (var_1_13 == ((unsigned char) 25))))) && ((! var_1_5) ? (var_1_15 == ((unsigned char) (((((var_1_16 + var_1_17)) > (var_1_14)) ? ((var_1_16 + var_1_17)) : (var_1_14))))) : 1)) && (var_1_18 == ((signed char) ((((((var_1_19 - var_1_20) + var_1_21)) > ((var_1_22 - var_1_23))) ? (((var_1_19 - var_1_20) + var_1_21)) : ((var_1_22 - var_1_23))))))) && ((var_1_23 >= (var_1_20 ^ var_1_28)) ? (var_1_24 == ((double) ((((((((var_1_12) < (var_1_11)) ? (var_1_12) : (var_1_11)))) > (((var_1_25 - 25.5) - 127.125))) ? (((((var_1_12) < (var_1_11)) ? (var_1_12) : (var_1_11)))) : (((var_1_25 - 25.5) - 127.125)))))) : 1) [L200-L201] return ((((((((var_1_2 ? (var_1_1 == ((unsigned char) (var_1_3 || var_1_4))) : (var_1_1 == ((unsigned char) (var_1_3 || (var_1_4 || var_1_5))))) && (var_1_6 == ((signed long int) ((var_1_28 - var_1_26) + var_1_26)))) && ((var_1_26 < (var_1_6 * var_1_28)) ? (var_1_3 ? ((var_1_26 <= var_1_6) ? (var_1_10 == ((double) (var_1_11 - var_1_12))) : 1) : 1) : (var_1_10 == ((double) var_1_12)))) && ((var_1_12 != var_1_10) ? (var_1_13 == ((unsigned char) var_1_14)) : (((- var_1_26) > var_1_14) ? (var_1_13 == ((unsigned char) var_1_14)) : (var_1_13 == ((unsigned char) 25))))) && ((! var_1_5) ? (var_1_15 == ((unsigned char) (((((var_1_16 + var_1_17)) > (var_1_14)) ? ((var_1_16 + var_1_17)) : (var_1_14))))) : 1)) && (var_1_18 == ((signed char) ((((((var_1_19 - var_1_20) + var_1_21)) > ((var_1_22 - var_1_23))) ? (((var_1_19 - var_1_20) + var_1_21)) : ((var_1_22 - var_1_23))))))) && ((var_1_23 >= (var_1_20 ^ var_1_28)) ? (var_1_24 == ((double) ((((((((var_1_12) < (var_1_11)) ? (var_1_12) : (var_1_11)))) > (((var_1_25 - 25.5) - 127.125))) ? (((((var_1_12) < (var_1_11)) ? (var_1_12) : (var_1_11)))) : (((var_1_25 - 25.5) - 127.125)))))) : 1)) && (var_1_1 ? (var_1_26 == ((unsigned short int) ((((((((var_1_18) < (var_1_14)) ? (var_1_18) : (var_1_14)))) < ((var_1_27 - var_1_17))) ? (((((var_1_18) < (var_1_14)) ? (var_1_18) : (var_1_14)))) : ((var_1_27 - var_1_17)))))) : 1)) && (var_1_28 == ((unsigned char) var_1_16)) ; [L210] RET, EXPR property() [L210] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=2, var_1_11=0, var_1_12=2, var_1_13=25, var_1_14=2, var_1_15=2, var_1_16=1, var_1_17=1, var_1_18=125, var_1_19=63, var_1_1=0, var_1_20=0, var_1_21=-63, var_1_22=126, var_1_23=1, var_1_24=2, var_1_26=32, var_1_27=32767, var_1_28=1, var_1_29=32, var_1_2=0, var_1_31=-62, var_1_34=91, var_1_35=91, var_1_36=64, var_1_37=-63, var_1_39=1, var_1_3=0, var_1_40=1, var_1_41=4, var_1_42=32, var_1_44=2147483556, var_1_45=2147483647, var_1_46=4, var_1_47=1, var_1_48=0, var_1_4=0, var_1_50=91, var_1_5=0, var_1_6=1] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=2, var_1_11=0, var_1_12=2, var_1_13=25, var_1_14=2, var_1_15=2, var_1_16=1, var_1_17=1, var_1_18=125, var_1_19=63, var_1_1=0, var_1_20=0, var_1_21=-63, var_1_22=126, var_1_23=1, var_1_24=2, var_1_26=32, var_1_27=32767, var_1_28=1, var_1_29=32, var_1_2=0, var_1_31=-62, var_1_34=91, var_1_35=91, var_1_36=64, var_1_37=-63, var_1_39=1, var_1_3=0, var_1_40=1, var_1_41=4, var_1_42=32, var_1_44=2147483556, var_1_45=2147483647, var_1_46=4, var_1_47=1, var_1_48=0, var_1_4=0, var_1_50=91, var_1_5=0, var_1_6=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 63 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 1, TraceHistogramMax: 35, 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=63occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 128 NumberOfCodeBlocks, 128 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 18:54:08,863 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eafb9185-6541-49d9-829d-d3fb9d7343cf/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eafb9185-6541-49d9-829d-d3fb9d7343cf/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eafb9185-6541-49d9-829d-d3fb9d7343cf/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_eafb9185-6541-49d9-829d-d3fb9d7343cf/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eafb9185-6541-49d9-829d-d3fb9d7343cf/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-99.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eafb9185-6541-49d9-829d-d3fb9d7343cf/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_eafb9185-6541-49d9-829d-d3fb9d7343cf/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 9c73352db6c1456938650bb43c0a668e1b8c13f635423c1618644c32121ceb4a --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 18:54:10,783 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 18:54:10,859 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eafb9185-6541-49d9-829d-d3fb9d7343cf/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-12-02 18:54:10,865 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 18:54:10,865 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 18:54:10,892 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 18:54:10,893 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 18:54:10,894 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 18:54:10,894 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 18:54:10,895 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 18:54:10,895 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 18:54:10,896 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 18:54:10,897 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 18:54:10,897 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 18:54:10,898 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 18:54:10,898 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 18:54:10,899 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 18:54:10,899 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 18:54:10,900 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 18:54:10,901 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 18:54:10,901 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 18:54:10,905 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 18:54:10,905 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 18:54:10,906 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 18:54:10,906 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 18:54:10,906 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 18:54:10,907 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 18:54:10,907 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 18:54:10,907 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 18:54:10,908 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 18:54:10,908 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 18:54:10,909 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 18:54:10,909 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 18:54:10,909 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 18:54:10,909 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 18:54:10,910 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 18:54:10,910 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 18:54:10,910 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 18:54:10,910 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 18:54:10,911 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 18:54:10,911 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 18:54:10,911 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 18:54:10,912 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 18:54:10,912 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 18:54:10,912 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_eafb9185-6541-49d9-829d-d3fb9d7343cf/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eafb9185-6541-49d9-829d-d3fb9d7343cf/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9c73352db6c1456938650bb43c0a668e1b8c13f635423c1618644c32121ceb4a [2023-12-02 18:54:11,202 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 18:54:11,221 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 18:54:11,224 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 18:54:11,225 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 18:54:11,228 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 18:54:11,229 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eafb9185-6541-49d9-829d-d3fb9d7343cf/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-99.i [2023-12-02 18:54:13,942 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 18:54:14,154 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 18:54:14,154 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eafb9185-6541-49d9-829d-d3fb9d7343cf/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-99.i [2023-12-02 18:54:14,165 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eafb9185-6541-49d9-829d-d3fb9d7343cf/bin/utaipan-verify-nQ1chXbOIh/data/a7895dba0/c0eded692925484b999dc7c74a319433/FLAG56c94899d [2023-12-02 18:54:14,176 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eafb9185-6541-49d9-829d-d3fb9d7343cf/bin/utaipan-verify-nQ1chXbOIh/data/a7895dba0/c0eded692925484b999dc7c74a319433 [2023-12-02 18:54:14,178 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 18:54:14,179 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 18:54:14,180 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 18:54:14,181 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 18:54:14,185 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 18:54:14,186 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:54:14" (1/1) ... [2023-12-02 18:54:14,187 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cef6ec8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:54:14, skipping insertion in model container [2023-12-02 18:54:14,187 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:54:14" (1/1) ... [2023-12-02 18:54:14,223 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 18:54:14,372 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_eafb9185-6541-49d9-829d-d3fb9d7343cf/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-99.i[919,932] [2023-12-02 18:54:14,448 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 18:54:14,466 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 18:54:14,478 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_eafb9185-6541-49d9-829d-d3fb9d7343cf/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-99.i[919,932] [2023-12-02 18:54:14,519 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 18:54:14,539 INFO L206 MainTranslator]: Completed translation [2023-12-02 18:54:14,539 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:54:14 WrapperNode [2023-12-02 18:54:14,539 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 18:54:14,540 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 18:54:14,541 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 18:54:14,541 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 18:54:14,548 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:54:14" (1/1) ... [2023-12-02 18:54:14,562 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:54:14" (1/1) ... [2023-12-02 18:54:14,593 INFO L138 Inliner]: procedures = 27, calls = 48, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 216 [2023-12-02 18:54:14,594 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 18:54:14,595 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 18:54:14,595 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 18:54:14,595 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 18:54:14,604 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:54:14" (1/1) ... [2023-12-02 18:54:14,604 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:54:14" (1/1) ... [2023-12-02 18:54:14,610 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:54:14" (1/1) ... [2023-12-02 18:54:14,610 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:54:14" (1/1) ... [2023-12-02 18:54:14,624 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:54:14" (1/1) ... [2023-12-02 18:54:14,628 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:54:14" (1/1) ... [2023-12-02 18:54:14,632 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:54:14" (1/1) ... [2023-12-02 18:54:14,634 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:54:14" (1/1) ... [2023-12-02 18:54:14,640 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 18:54:14,641 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 18:54:14,641 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 18:54:14,641 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 18:54:14,642 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:54:14" (1/1) ... [2023-12-02 18:54:14,648 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 18:54:14,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eafb9185-6541-49d9-829d-d3fb9d7343cf/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 18:54:14,674 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eafb9185-6541-49d9-829d-d3fb9d7343cf/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 18:54:14,676 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eafb9185-6541-49d9-829d-d3fb9d7343cf/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 18:54:14,708 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 18:54:14,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 18:54:14,708 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 18:54:14,708 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 18:54:14,709 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 18:54:14,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 18:54:14,806 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 18:54:14,808 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 18:54:17,235 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 18:54:17,279 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 18:54:17,280 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 18:54:17,280 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:54:17 BoogieIcfgContainer [2023-12-02 18:54:17,281 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 18:54:17,283 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 18:54:17,283 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 18:54:17,287 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 18:54:17,287 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 06:54:14" (1/3) ... [2023-12-02 18:54:17,287 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16933d6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:54:17, skipping insertion in model container [2023-12-02 18:54:17,288 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:54:14" (2/3) ... [2023-12-02 18:54:17,288 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16933d6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:54:17, skipping insertion in model container [2023-12-02 18:54:17,288 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:54:17" (3/3) ... [2023-12-02 18:54:17,290 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-ci_file-99.i [2023-12-02 18:54:17,308 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 18:54:17,308 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 18:54:17,355 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 18:54:17,360 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;@4d40b764, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 18:54:17,360 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 18:54:17,365 INFO L276 IsEmpty]: Start isEmpty. Operand has 91 states, 53 states have (on average 1.4150943396226414) internal successors, (75), 54 states have internal predecessors, (75), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2023-12-02 18:54:17,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2023-12-02 18:54:17,384 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:54:17,384 INFO L195 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:54:17,385 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 18:54:17,389 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:54:17,389 INFO L85 PathProgramCache]: Analyzing trace with hash -421856088, now seen corresponding path program 1 times [2023-12-02 18:54:17,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 18:54:17,400 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [528962287] [2023-12-02 18:54:17,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:54:17,401 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 18:54:17,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eafb9185-6541-49d9-829d-d3fb9d7343cf/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 18:54:17,441 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eafb9185-6541-49d9-829d-d3fb9d7343cf/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 18:54:17,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eafb9185-6541-49d9-829d-d3fb9d7343cf/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 18:54:17,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:54:17,864 INFO L262 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 18:54:17,874 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:54:17,957 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 1080 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-12-02 18:54:17,958 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 18:54:17,959 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 18:54:17,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [528962287] [2023-12-02 18:54:17,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [528962287] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:54:17,960 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 18:54:17,960 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 18:54:17,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930681256] [2023-12-02 18:54:17,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:54:17,967 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-02 18:54:17,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 18:54:17,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-02 18:54:17,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 18:54:17,995 INFO L87 Difference]: Start difference. First operand has 91 states, 53 states have (on average 1.4150943396226414) internal successors, (75), 54 states have internal predecessors, (75), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) Second operand has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2023-12-02 18:54:19,704 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:54:19,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:54:19,705 INFO L93 Difference]: Finished difference Result 179 states and 323 transitions. [2023-12-02 18:54:19,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 18:54:19,728 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 219 [2023-12-02 18:54:19,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:54:19,734 INFO L225 Difference]: With dead ends: 179 [2023-12-02 18:54:19,734 INFO L226 Difference]: Without dead ends: 89 [2023-12-02 18:54:19,738 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 218 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 18:54:19,740 INFO L413 NwaCegarLoop]: 137 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 137 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-12-02 18:54:19,741 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 137 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-12-02 18:54:19,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2023-12-02 18:54:19,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2023-12-02 18:54:19,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 52 states have (on average 1.3461538461538463) internal successors, (70), 52 states have internal predecessors, (70), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2023-12-02 18:54:19,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 140 transitions. [2023-12-02 18:54:19,786 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 140 transitions. Word has length 219 [2023-12-02 18:54:19,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:54:19,786 INFO L495 AbstractCegarLoop]: Abstraction has 89 states and 140 transitions. [2023-12-02 18:54:19,787 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2023-12-02 18:54:19,787 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 140 transitions. [2023-12-02 18:54:19,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2023-12-02 18:54:19,792 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:54:19,793 INFO L195 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:54:19,805 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eafb9185-6541-49d9-829d-d3fb9d7343cf/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 18:54:19,993 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eafb9185-6541-49d9-829d-d3fb9d7343cf/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 18:54:19,994 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 18:54:19,994 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:54:19,994 INFO L85 PathProgramCache]: Analyzing trace with hash 1578264494, now seen corresponding path program 1 times [2023-12-02 18:54:19,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 18:54:19,996 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2094693728] [2023-12-02 18:54:19,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:54:19,996 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 18:54:19,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eafb9185-6541-49d9-829d-d3fb9d7343cf/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 18:54:19,997 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eafb9185-6541-49d9-829d-d3fb9d7343cf/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 18:54:19,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eafb9185-6541-49d9-829d-d3fb9d7343cf/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 18:54:20,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:54:20,345 INFO L262 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 18:54:20,359 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:54:22,019 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 563 proven. 177 refuted. 0 times theorem prover too weak. 1640 trivial. 0 not checked. [2023-12-02 18:54:22,019 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 18:54:22,852 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 21 proven. 180 refuted. 0 times theorem prover too weak. 2179 trivial. 0 not checked. [2023-12-02 18:54:22,852 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 18:54:22,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2094693728] [2023-12-02 18:54:22,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2094693728] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 18:54:22,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1705376510] [2023-12-02 18:54:22,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:54:22,853 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 18:54:22,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eafb9185-6541-49d9-829d-d3fb9d7343cf/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 18:54:22,857 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eafb9185-6541-49d9-829d-d3fb9d7343cf/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 18:54:22,861 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eafb9185-6541-49d9-829d-d3fb9d7343cf/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-02 18:54:23,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:54:23,638 INFO L262 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-02 18:54:23,644 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:54:24,721 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 563 proven. 177 refuted. 0 times theorem prover too weak. 1640 trivial. 0 not checked. [2023-12-02 18:54:24,721 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 18:54:25,260 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 21 proven. 180 refuted. 0 times theorem prover too weak. 2179 trivial. 0 not checked. [2023-12-02 18:54:25,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1705376510] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 18:54:25,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [183079494] [2023-12-02 18:54:25,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:54:25,261 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 18:54:25,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eafb9185-6541-49d9-829d-d3fb9d7343cf/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 18:54:25,265 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eafb9185-6541-49d9-829d-d3fb9d7343cf/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 18:54:25,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eafb9185-6541-49d9-829d-d3fb9d7343cf/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-12-02 18:54:25,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:54:25,543 INFO L262 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 18:54:25,550 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:54:26,604 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 563 proven. 177 refuted. 0 times theorem prover too weak. 1640 trivial. 0 not checked. [2023-12-02 18:54:26,604 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 18:54:27,123 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 21 proven. 180 refuted. 0 times theorem prover too weak. 2179 trivial. 0 not checked. [2023-12-02 18:54:27,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [183079494] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 18:54:27,123 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2023-12-02 18:54:27,124 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9, 9, 9, 9] total 13 [2023-12-02 18:54:27,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759438840] [2023-12-02 18:54:27,125 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2023-12-02 18:54:27,128 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-02 18:54:27,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 18:54:27,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-02 18:54:27,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2023-12-02 18:54:27,130 INFO L87 Difference]: Start difference. First operand 89 states and 140 transitions. Second operand has 13 states, 13 states have (on average 5.384615384615385) internal successors, (70), 13 states have internal predecessors, (70), 3 states have call successors, (66), 3 states have call predecessors, (66), 7 states have return successors, (67), 3 states have call predecessors, (67), 3 states have call successors, (67) [2023-12-02 18:54:29,514 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:54:30,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:54:30,366 INFO L93 Difference]: Finished difference Result 291 states and 438 transitions. [2023-12-02 18:54:30,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-12-02 18:54:30,367 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.384615384615385) internal successors, (70), 13 states have internal predecessors, (70), 3 states have call successors, (66), 3 states have call predecessors, (66), 7 states have return successors, (67), 3 states have call predecessors, (67), 3 states have call successors, (67) Word has length 219 [2023-12-02 18:54:30,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:54:30,372 INFO L225 Difference]: With dead ends: 291 [2023-12-02 18:54:30,372 INFO L226 Difference]: Without dead ends: 203 [2023-12-02 18:54:30,374 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1330 GetRequests, 1296 SyntacticMatches, 3 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 251 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=315, Invalid=741, Unknown=0, NotChecked=0, Total=1056 [2023-12-02 18:54:30,376 INFO L413 NwaCegarLoop]: 146 mSDtfsCounter, 251 mSDsluCounter, 239 mSDsCounter, 0 mSdLazyCounter, 470 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 255 SdHoareTripleChecker+Valid, 385 SdHoareTripleChecker+Invalid, 572 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 470 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-12-02 18:54:30,376 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [255 Valid, 385 Invalid, 572 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 470 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-12-02 18:54:30,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2023-12-02 18:54:30,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 106. [2023-12-02 18:54:30,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 67 states have (on average 1.3134328358208955) internal successors, (88), 67 states have internal predecessors, (88), 35 states have call successors, (35), 3 states have call predecessors, (35), 3 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2023-12-02 18:54:30,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 158 transitions. [2023-12-02 18:54:30,406 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 158 transitions. Word has length 219 [2023-12-02 18:54:30,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:54:30,408 INFO L495 AbstractCegarLoop]: Abstraction has 106 states and 158 transitions. [2023-12-02 18:54:30,408 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.384615384615385) internal successors, (70), 13 states have internal predecessors, (70), 3 states have call successors, (66), 3 states have call predecessors, (66), 7 states have return successors, (67), 3 states have call predecessors, (67), 3 states have call successors, (67) [2023-12-02 18:54:30,409 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 158 transitions. [2023-12-02 18:54:30,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2023-12-02 18:54:30,413 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:54:30,413 INFO L195 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:54:30,426 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eafb9185-6541-49d9-829d-d3fb9d7343cf/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-12-02 18:54:30,622 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eafb9185-6541-49d9-829d-d3fb9d7343cf/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-02 18:54:30,829 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eafb9185-6541-49d9-829d-d3fb9d7343cf/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-12-02 18:54:31,017 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eafb9185-6541-49d9-829d-d3fb9d7343cf/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eafb9185-6541-49d9-829d-d3fb9d7343cf/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eafb9185-6541-49d9-829d-d3fb9d7343cf/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 18:54:31,018 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 18:54:31,018 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:54:31,018 INFO L85 PathProgramCache]: Analyzing trace with hash -1426997462, now seen corresponding path program 1 times [2023-12-02 18:54:31,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 18:54:31,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1849343836] [2023-12-02 18:54:31,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:54:31,019 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 18:54:31,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eafb9185-6541-49d9-829d-d3fb9d7343cf/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 18:54:31,020 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eafb9185-6541-49d9-829d-d3fb9d7343cf/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 18:54:31,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eafb9185-6541-49d9-829d-d3fb9d7343cf/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 18:54:31,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:54:31,347 INFO L262 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 18:54:31,351 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:54:32,885 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 27 proven. 1000 refuted. 0 times theorem prover too weak. 1353 trivial. 0 not checked. [2023-12-02 18:54:32,885 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 18:54:33,454 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 27 proven. 75 refuted. 0 times theorem prover too weak. 2278 trivial. 0 not checked. [2023-12-02 18:54:33,454 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 18:54:33,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1849343836] [2023-12-02 18:54:33,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1849343836] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 18:54:33,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2051722479] [2023-12-02 18:54:33,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:54:33,455 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 18:54:33,455 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eafb9185-6541-49d9-829d-d3fb9d7343cf/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 18:54:33,456 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eafb9185-6541-49d9-829d-d3fb9d7343cf/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 18:54:33,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eafb9185-6541-49d9-829d-d3fb9d7343cf/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-02 18:54:34,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:54:34,237 INFO L262 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 18:54:34,242 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:54:35,820 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 952 proven. 75 refuted. 0 times theorem prover too weak. 1353 trivial. 0 not checked. [2023-12-02 18:54:35,820 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 18:54:36,279 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 27 proven. 75 refuted. 0 times theorem prover too weak. 2278 trivial. 0 not checked. [2023-12-02 18:54:36,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2051722479] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 18:54:36,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [391530428] [2023-12-02 18:54:36,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:54:36,280 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 18:54:36,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eafb9185-6541-49d9-829d-d3fb9d7343cf/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 18:54:36,281 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eafb9185-6541-49d9-829d-d3fb9d7343cf/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 18:54:36,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eafb9185-6541-49d9-829d-d3fb9d7343cf/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-12-02 18:54:36,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:54:36,513 INFO L262 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 18:54:36,517 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:54:37,961 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 952 proven. 75 refuted. 0 times theorem prover too weak. 1353 trivial. 0 not checked. [2023-12-02 18:54:37,961 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 18:54:38,453 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 27 proven. 75 refuted. 0 times theorem prover too weak. 2278 trivial. 0 not checked. [2023-12-02 18:54:38,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [391530428] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 18:54:38,453 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2023-12-02 18:54:38,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6, 6, 6, 6] total 13 [2023-12-02 18:54:38,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150377016] [2023-12-02 18:54:38,454 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2023-12-02 18:54:38,455 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-02 18:54:38,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 18:54:38,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-02 18:54:38,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2023-12-02 18:54:38,457 INFO L87 Difference]: Start difference. First operand 106 states and 158 transitions. Second operand has 13 states, 13 states have (on average 7.6923076923076925) internal successors, (100), 13 states have internal predecessors, (100), 4 states have call successors, (70), 3 states have call predecessors, (70), 6 states have return successors, (71), 4 states have call predecessors, (71), 4 states have call successors, (71) [2023-12-02 18:54:41,846 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:54:42,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:54:42,345 INFO L93 Difference]: Finished difference Result 266 states and 379 transitions. [2023-12-02 18:54:42,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-12-02 18:54:42,346 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 7.6923076923076925) internal successors, (100), 13 states have internal predecessors, (100), 4 states have call successors, (70), 3 states have call predecessors, (70), 6 states have return successors, (71), 4 states have call predecessors, (71), 4 states have call successors, (71) Word has length 219 [2023-12-02 18:54:42,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:54:42,348 INFO L225 Difference]: With dead ends: 266 [2023-12-02 18:54:42,348 INFO L226 Difference]: Without dead ends: 161 [2023-12-02 18:54:42,349 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1319 GetRequests, 1297 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=157, Invalid=305, Unknown=0, NotChecked=0, Total=462 [2023-12-02 18:54:42,350 INFO L413 NwaCegarLoop]: 108 mSDtfsCounter, 135 mSDsluCounter, 298 mSDsCounter, 0 mSdLazyCounter, 501 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 406 SdHoareTripleChecker+Invalid, 603 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 501 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2023-12-02 18:54:42,351 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 406 Invalid, 603 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 501 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2023-12-02 18:54:42,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2023-12-02 18:54:42,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 146. [2023-12-02 18:54:42,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 94 states have (on average 1.2659574468085106) internal successors, (119), 95 states have internal predecessors, (119), 44 states have call successors, (44), 7 states have call predecessors, (44), 7 states have return successors, (44), 43 states have call predecessors, (44), 44 states have call successors, (44) [2023-12-02 18:54:42,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 207 transitions. [2023-12-02 18:54:42,374 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 207 transitions. Word has length 219 [2023-12-02 18:54:42,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:54:42,376 INFO L495 AbstractCegarLoop]: Abstraction has 146 states and 207 transitions. [2023-12-02 18:54:42,376 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 7.6923076923076925) internal successors, (100), 13 states have internal predecessors, (100), 4 states have call successors, (70), 3 states have call predecessors, (70), 6 states have return successors, (71), 4 states have call predecessors, (71), 4 states have call successors, (71) [2023-12-02 18:54:42,376 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 207 transitions. [2023-12-02 18:54:42,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2023-12-02 18:54:42,380 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:54:42,380 INFO L195 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:54:42,388 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eafb9185-6541-49d9-829d-d3fb9d7343cf/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-02 18:54:42,593 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eafb9185-6541-49d9-829d-d3fb9d7343cf/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2023-12-02 18:54:42,790 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eafb9185-6541-49d9-829d-d3fb9d7343cf/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 18:54:42,981 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eafb9185-6541-49d9-829d-d3fb9d7343cf/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eafb9185-6541-49d9-829d-d3fb9d7343cf/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eafb9185-6541-49d9-829d-d3fb9d7343cf/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 18:54:42,981 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 18:54:42,982 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:54:42,982 INFO L85 PathProgramCache]: Analyzing trace with hash -1447980620, now seen corresponding path program 1 times [2023-12-02 18:54:42,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 18:54:42,983 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1128765124] [2023-12-02 18:54:42,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:54:42,983 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 18:54:42,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eafb9185-6541-49d9-829d-d3fb9d7343cf/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 18:54:42,984 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eafb9185-6541-49d9-829d-d3fb9d7343cf/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 18:54:42,985 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eafb9185-6541-49d9-829d-d3fb9d7343cf/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 18:54:43,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:54:43,294 INFO L262 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 18:54:43,298 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:54:43,764 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2380 trivial. 0 not checked. [2023-12-02 18:54:43,764 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 18:54:43,764 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 18:54:43,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1128765124] [2023-12-02 18:54:43,764 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1128765124] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:54:43,764 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 18:54:43,765 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 18:54:43,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1684791892] [2023-12-02 18:54:43,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:54:43,765 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 18:54:43,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 18:54:43,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 18:54:43,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 18:54:43,766 INFO L87 Difference]: Start difference. First operand 146 states and 207 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2023-12-02 18:54:45,053 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:54:45,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:54:45,321 INFO L93 Difference]: Finished difference Result 436 states and 619 transitions. [2023-12-02 18:54:45,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 18:54:45,321 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) Word has length 220 [2023-12-02 18:54:45,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:54:45,325 INFO L225 Difference]: With dead ends: 436 [2023-12-02 18:54:45,325 INFO L226 Difference]: Without dead ends: 291 [2023-12-02 18:54:45,325 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 217 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 18:54:45,326 INFO L413 NwaCegarLoop]: 124 mSDtfsCounter, 33 mSDsluCounter, 247 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 371 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-12-02 18:54:45,327 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 371 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-12-02 18:54:45,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2023-12-02 18:54:45,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 289. [2023-12-02 18:54:45,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 289 states, 186 states have (on average 1.2634408602150538) internal successors, (235), 188 states have internal predecessors, (235), 88 states have call successors, (88), 14 states have call predecessors, (88), 14 states have return successors, (88), 86 states have call predecessors, (88), 88 states have call successors, (88) [2023-12-02 18:54:45,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 411 transitions. [2023-12-02 18:54:45,372 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 411 transitions. Word has length 220 [2023-12-02 18:54:45,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:54:45,373 INFO L495 AbstractCegarLoop]: Abstraction has 289 states and 411 transitions. [2023-12-02 18:54:45,374 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2023-12-02 18:54:45,374 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 411 transitions. [2023-12-02 18:54:45,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2023-12-02 18:54:45,377 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:54:45,377 INFO L195 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:54:45,387 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eafb9185-6541-49d9-829d-d3fb9d7343cf/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 18:54:45,577 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eafb9185-6541-49d9-829d-d3fb9d7343cf/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 18:54:45,578 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 18:54:45,578 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:54:45,578 INFO L85 PathProgramCache]: Analyzing trace with hash 327026742, now seen corresponding path program 1 times [2023-12-02 18:54:45,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 18:54:45,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1778751026] [2023-12-02 18:54:45,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:54:45,579 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 18:54:45,579 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eafb9185-6541-49d9-829d-d3fb9d7343cf/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 18:54:45,580 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eafb9185-6541-49d9-829d-d3fb9d7343cf/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 18:54:45,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eafb9185-6541-49d9-829d-d3fb9d7343cf/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2023-12-02 18:54:45,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:54:45,920 INFO L262 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 18:54:45,923 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:54:47,208 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 1505 proven. 75 refuted. 0 times theorem prover too weak. 800 trivial. 0 not checked. [2023-12-02 18:54:47,209 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 18:54:47,894 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 18:54:47,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1778751026] [2023-12-02 18:54:47,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1778751026] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 18:54:47,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [505576539] [2023-12-02 18:54:47,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:54:47,894 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 18:54:47,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eafb9185-6541-49d9-829d-d3fb9d7343cf/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 18:54:47,895 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eafb9185-6541-49d9-829d-d3fb9d7343cf/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 18:54:47,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eafb9185-6541-49d9-829d-d3fb9d7343cf/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-02 18:54:48,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:54:48,851 INFO L262 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-02 18:54:48,855 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:54:50,065 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 672 proven. 15 refuted. 0 times theorem prover too weak. 1693 trivial. 0 not checked. [2023-12-02 18:54:50,065 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 18:54:51,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [505576539] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 18:54:51,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1615429] [2023-12-02 18:54:51,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:54:51,444 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 18:54:51,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eafb9185-6541-49d9-829d-d3fb9d7343cf/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 18:54:51,445 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eafb9185-6541-49d9-829d-d3fb9d7343cf/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 18:54:51,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eafb9185-6541-49d9-829d-d3fb9d7343cf/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-12-02 18:54:51,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:54:51,681 INFO L262 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-02 18:54:51,686 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:54:52,759 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 672 proven. 15 refuted. 0 times theorem prover too weak. 1693 trivial. 0 not checked. [2023-12-02 18:54:52,759 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 18:54:53,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1615429] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 18:54:53,530 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 18:54:53,530 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 9] total 14 [2023-12-02 18:54:53,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [904641848] [2023-12-02 18:54:53,530 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 18:54:53,531 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-12-02 18:54:53,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 18:54:53,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-12-02 18:54:53,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=398, Unknown=0, NotChecked=0, Total=506 [2023-12-02 18:54:53,532 INFO L87 Difference]: Start difference. First operand 289 states and 411 transitions. Second operand has 15 states, 15 states have (on average 6.333333333333333) internal successors, (95), 14 states have internal predecessors, (95), 4 states have call successors, (56), 4 states have call predecessors, (56), 6 states have return successors, (57), 4 states have call predecessors, (57), 4 states have call successors, (57) [2023-12-02 18:55:00,649 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:55:08,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:55:08,703 INFO L93 Difference]: Finished difference Result 978 states and 1319 transitions. [2023-12-02 18:55:08,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2023-12-02 18:55:08,704 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 6.333333333333333) internal successors, (95), 14 states have internal predecessors, (95), 4 states have call successors, (56), 4 states have call predecessors, (56), 6 states have return successors, (57), 4 states have call predecessors, (57), 4 states have call successors, (57) Word has length 220 [2023-12-02 18:55:08,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:55:08,709 INFO L225 Difference]: With dead ends: 978 [2023-12-02 18:55:08,709 INFO L226 Difference]: Without dead ends: 690 [2023-12-02 18:55:08,713 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 808 GetRequests, 738 SyntacticMatches, 3 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1343 ImplicationChecksByTransitivity, 6.8s TimeCoverageRelationStatistics Valid=1142, Invalid=3550, Unknown=0, NotChecked=0, Total=4692 [2023-12-02 18:55:08,714 INFO L413 NwaCegarLoop]: 121 mSDtfsCounter, 803 mSDsluCounter, 705 mSDsCounter, 0 mSdLazyCounter, 1157 mSolverCounterSat, 941 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 805 SdHoareTripleChecker+Valid, 826 SdHoareTripleChecker+Invalid, 2098 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 941 IncrementalHoareTripleChecker+Valid, 1157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.6s IncrementalHoareTripleChecker+Time [2023-12-02 18:55:08,714 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [805 Valid, 826 Invalid, 2098 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [941 Valid, 1157 Invalid, 0 Unknown, 0 Unchecked, 10.6s Time] [2023-12-02 18:55:08,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 690 states. [2023-12-02 18:55:08,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 690 to 622. [2023-12-02 18:55:08,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 622 states, 387 states have (on average 1.1808785529715762) internal successors, (457), 394 states have internal predecessors, (457), 191 states have call successors, (191), 43 states have call predecessors, (191), 43 states have return successors, (191), 184 states have call predecessors, (191), 191 states have call successors, (191) [2023-12-02 18:55:08,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 622 states and 839 transitions. [2023-12-02 18:55:08,809 INFO L78 Accepts]: Start accepts. Automaton has 622 states and 839 transitions. Word has length 220 [2023-12-02 18:55:08,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:55:08,809 INFO L495 AbstractCegarLoop]: Abstraction has 622 states and 839 transitions. [2023-12-02 18:55:08,810 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 6.333333333333333) internal successors, (95), 14 states have internal predecessors, (95), 4 states have call successors, (56), 4 states have call predecessors, (56), 6 states have return successors, (57), 4 states have call predecessors, (57), 4 states have call successors, (57) [2023-12-02 18:55:08,810 INFO L276 IsEmpty]: Start isEmpty. Operand 622 states and 839 transitions. [2023-12-02 18:55:08,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2023-12-02 18:55:08,812 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:55:08,812 INFO L195 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:55:08,820 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eafb9185-6541-49d9-829d-d3fb9d7343cf/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Ended with exit code 0 [2023-12-02 18:55:09,018 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eafb9185-6541-49d9-829d-d3fb9d7343cf/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2023-12-02 18:55:09,226 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eafb9185-6541-49d9-829d-d3fb9d7343cf/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-12-02 18:55:09,413 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eafb9185-6541-49d9-829d-d3fb9d7343cf/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eafb9185-6541-49d9-829d-d3fb9d7343cf/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eafb9185-6541-49d9-829d-d3fb9d7343cf/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 18:55:09,413 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 18:55:09,414 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:55:09,414 INFO L85 PathProgramCache]: Analyzing trace with hash 326967160, now seen corresponding path program 1 times [2023-12-02 18:55:09,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 18:55:09,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1675056451] [2023-12-02 18:55:09,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:55:09,415 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 18:55:09,415 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eafb9185-6541-49d9-829d-d3fb9d7343cf/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 18:55:09,416 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eafb9185-6541-49d9-829d-d3fb9d7343cf/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 18:55:09,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eafb9185-6541-49d9-829d-d3fb9d7343cf/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 18:55:10,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:55:10,264 INFO L262 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 18:55:10,270 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:57:36,950 WARN L293 SmtUtils]: Spent 19.43s on a formula simplification that was a NOOP. DAG size: 127 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)