./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-85.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6530f5ce-5799-4b70-83c2-0efacf224fc5/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6530f5ce-5799-4b70-83c2-0efacf224fc5/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6530f5ce-5799-4b70-83c2-0efacf224fc5/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6530f5ce-5799-4b70-83c2-0efacf224fc5/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-85.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6530f5ce-5799-4b70-83c2-0efacf224fc5/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6530f5ce-5799-4b70-83c2-0efacf224fc5/bin/utaipan-verify-NcY6lQBIFX --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 c4862b5ebb887702302f2980511014b313d3fbe17ee23cc3bf7542b446fc70eb --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:49:12,307 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:49:12,406 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6530f5ce-5799-4b70-83c2-0efacf224fc5/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-12 00:49:12,411 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:49:12,412 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:49:12,438 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:49:12,439 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:49:12,439 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:49:12,440 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:49:12,441 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:49:12,442 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:49:12,442 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:49:12,443 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:49:12,444 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:49:12,444 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:49:12,445 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:49:12,446 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:49:12,446 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:49:12,447 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:49:12,448 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:49:12,448 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:49:12,449 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:49:12,450 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:49:12,451 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:49:12,451 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:49:12,452 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:49:12,452 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:49:12,453 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:49:12,453 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:49:12,454 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:49:12,454 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:49:12,455 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:49:12,455 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:49:12,455 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:49:12,456 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:49:12,456 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:49:12,456 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:49:12,457 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:49:12,457 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:49:12,457 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:49:12,458 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:49:12,458 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:49:12,458 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:49:12,459 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:49:12,459 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:49:12,460 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_6530f5ce-5799-4b70-83c2-0efacf224fc5/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6530f5ce-5799-4b70-83c2-0efacf224fc5/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c4862b5ebb887702302f2980511014b313d3fbe17ee23cc3bf7542b446fc70eb [2023-11-12 00:49:12,771 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:49:12,792 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:49:12,794 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:49:12,796 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:49:12,796 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:49:12,798 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6530f5ce-5799-4b70-83c2-0efacf224fc5/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-85.i [2023-11-12 00:49:15,884 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:49:16,164 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:49:16,166 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6530f5ce-5799-4b70-83c2-0efacf224fc5/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-85.i [2023-11-12 00:49:16,179 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6530f5ce-5799-4b70-83c2-0efacf224fc5/bin/utaipan-verify-NcY6lQBIFX/data/1767aa143/8cf777c8a6c546258d40d126ff292476/FLAG6b716b8d5 [2023-11-12 00:49:16,196 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6530f5ce-5799-4b70-83c2-0efacf224fc5/bin/utaipan-verify-NcY6lQBIFX/data/1767aa143/8cf777c8a6c546258d40d126ff292476 [2023-11-12 00:49:16,203 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:49:16,205 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:49:16,209 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:49:16,209 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:49:16,214 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:49:16,217 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:49:16" (1/1) ... [2023-11-12 00:49:16,218 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fb1f8cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:49:16, skipping insertion in model container [2023-11-12 00:49:16,219 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:49:16" (1/1) ... [2023-11-12 00:49:16,270 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:49:16,492 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_6530f5ce-5799-4b70-83c2-0efacf224fc5/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-85.i[915,928] [2023-11-12 00:49:16,553 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:49:16,565 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:49:16,580 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_6530f5ce-5799-4b70-83c2-0efacf224fc5/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-85.i[915,928] [2023-11-12 00:49:16,617 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:49:16,634 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:49:16,634 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:49:16 WrapperNode [2023-11-12 00:49:16,635 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:49:16,636 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:49:16,636 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:49:16,636 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:49:16,643 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:49:16" (1/1) ... [2023-11-12 00:49:16,655 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:49:16" (1/1) ... [2023-11-12 00:49:16,699 INFO L138 Inliner]: procedures = 26, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 174 [2023-11-12 00:49:16,711 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:49:16,712 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:49:16,712 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:49:16,712 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:49:16,722 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:49:16" (1/1) ... [2023-11-12 00:49:16,723 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:49:16" (1/1) ... [2023-11-12 00:49:16,733 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:49:16" (1/1) ... [2023-11-12 00:49:16,734 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:49:16" (1/1) ... [2023-11-12 00:49:16,744 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:49:16" (1/1) ... [2023-11-12 00:49:16,765 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:49:16" (1/1) ... [2023-11-12 00:49:16,767 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:49:16" (1/1) ... [2023-11-12 00:49:16,776 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:49:16" (1/1) ... [2023-11-12 00:49:16,781 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:49:16,785 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:49:16,786 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:49:16,787 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:49:16,788 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:49:16" (1/1) ... [2023-11-12 00:49:16,800 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:49:16,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6530f5ce-5799-4b70-83c2-0efacf224fc5/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:49:16,827 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6530f5ce-5799-4b70-83c2-0efacf224fc5/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:49:16,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6530f5ce-5799-4b70-83c2-0efacf224fc5/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:49:16,867 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:49:16,868 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:49:16,868 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:49:16,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:49:16,868 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:49:16,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:49:16,992 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:49:16,995 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:49:17,431 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:49:17,717 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:49:17,717 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:49:17,719 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:49:17 BoogieIcfgContainer [2023-11-12 00:49:17,720 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:49:17,722 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:49:17,722 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:49:17,726 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:49:17,726 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:49:16" (1/3) ... [2023-11-12 00:49:17,727 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cad3ec0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:49:17, skipping insertion in model container [2023-11-12 00:49:17,727 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:49:16" (2/3) ... [2023-11-12 00:49:17,727 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cad3ec0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:49:17, skipping insertion in model container [2023-11-12 00:49:17,728 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:49:17" (3/3) ... [2023-11-12 00:49:17,729 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-10_file-85.i [2023-11-12 00:49:17,748 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:49:17,749 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:49:17,800 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:49:17,808 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;@738e3310, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:49:17,809 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:49:17,817 INFO L276 IsEmpty]: Start isEmpty. Operand has 43 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 19 states have internal predecessors, (21), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-12 00:49:17,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-11-12 00:49:17,831 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:49:17,831 INFO L195 NwaCegarLoop]: trace histogram [22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:49:17,832 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:49:17,836 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:49:17,837 INFO L85 PathProgramCache]: Analyzing trace with hash -892967670, now seen corresponding path program 1 times [2023-11-12 00:49:17,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:49:17,846 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438482361] [2023-11-12 00:49:17,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:49:17,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:49:18,109 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 00:49:18,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1476999444] [2023-11-12 00:49:18,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:49:18,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:49:18,112 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6530f5ce-5799-4b70-83c2-0efacf224fc5/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:49:18,119 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6530f5ce-5799-4b70-83c2-0efacf224fc5/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 00:49:18,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6530f5ce-5799-4b70-83c2-0efacf224fc5/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-12 00:49:18,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:49:18,577 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 00:49:18,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:49:18,823 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-12 00:49:18,828 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-12 00:49:18,829 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-12 00:49:18,839 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6530f5ce-5799-4b70-83c2-0efacf224fc5/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-12 00:49:19,038 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6530f5ce-5799-4b70-83c2-0efacf224fc5/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:49:19,042 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-12 00:49:19,049 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 00:49:19,202 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 12:49:19 BoogieIcfgContainer [2023-11-12 00:49:19,202 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 00:49:19,203 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 00:49:19,203 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 00:49:19,203 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 00:49:19,204 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:49:17" (3/4) ... [2023-11-12 00:49:19,206 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-12 00:49:19,207 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 00:49:19,208 INFO L158 Benchmark]: Toolchain (without parser) took 3003.44ms. Allocated memory is still 165.7MB. Free memory was 129.9MB in the beginning and 104.2MB in the end (delta: 25.7MB). Peak memory consumption was 25.3MB. Max. memory is 16.1GB. [2023-11-12 00:49:19,209 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 125.8MB. Free memory was 92.9MB in the beginning and 92.8MB in the end (delta: 74.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:49:19,209 INFO L158 Benchmark]: CACSL2BoogieTranslator took 426.37ms. Allocated memory is still 165.7MB. Free memory was 129.2MB in the beginning and 125.8MB in the end (delta: 3.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-12 00:49:19,210 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.85ms. Allocated memory is still 165.7MB. Free memory was 125.8MB in the beginning and 122.4MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:49:19,211 INFO L158 Benchmark]: Boogie Preprocessor took 72.30ms. Allocated memory is still 165.7MB. Free memory was 122.4MB in the beginning and 120.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:49:19,211 INFO L158 Benchmark]: RCFGBuilder took 934.71ms. Allocated memory is still 165.7MB. Free memory was 120.8MB in the beginning and 69.2MB in the end (delta: 51.6MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. [2023-11-12 00:49:19,212 INFO L158 Benchmark]: TraceAbstraction took 1480.33ms. Allocated memory is still 165.7MB. Free memory was 68.4MB in the beginning and 104.2MB in the end (delta: -35.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:49:19,212 INFO L158 Benchmark]: Witness Printer took 4.35ms. Allocated memory is still 165.7MB. Free memory is still 104.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:49:19,216 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 125.8MB. Free memory was 92.9MB in the beginning and 92.8MB in the end (delta: 74.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 426.37ms. Allocated memory is still 165.7MB. Free memory was 129.2MB in the beginning and 125.8MB in the end (delta: 3.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.85ms. Allocated memory is still 165.7MB. Free memory was 125.8MB in the beginning and 122.4MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 72.30ms. Allocated memory is still 165.7MB. Free memory was 122.4MB in the beginning and 120.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 934.71ms. Allocated memory is still 165.7MB. Free memory was 120.8MB in the beginning and 69.2MB in the end (delta: 51.6MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1480.33ms. Allocated memory is still 165.7MB. Free memory was 68.4MB in the beginning and 104.2MB in the end (delta: -35.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.35ms. Allocated memory is still 165.7MB. Free memory is still 104.2MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 99, overapproximation of shiftRight at line 59, overapproximation of bitwiseOr at line 59, overapproximation of someBinaryArithmeticDOUBLEoperation at line 85, overapproximation of someBinaryDOUBLEComparisonOperation at line 93. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned long int var_1_1 = 1000; [L23] unsigned char var_1_5 = 1; [L24] unsigned char var_1_6 = 0; [L25] float var_1_7 = 0.6; [L26] unsigned long int var_1_8 = 32; [L27] unsigned long int var_1_9 = 32; [L28] float var_1_11 = 5.5; [L29] unsigned long int var_1_12 = 128; [L30] unsigned char var_1_13 = 16; [L31] unsigned char var_1_14 = 0; [L32] unsigned long int var_1_15 = 8; [L33] unsigned char var_1_16 = 0; [L34] unsigned char var_1_17 = 0; [L35] double var_1_18 = 1.8; [L36] double var_1_19 = 4.5; [L37] double var_1_20 = 15.5; [L38] signed char var_1_21 = -5; [L39] signed char var_1_22 = 64; [L40] unsigned long int var_1_23 = 4; [L41] unsigned long int var_1_24 = 16; [L42] signed char var_1_25 = -100; [L43] float var_1_26 = 1000000.6; [L44] float var_1_27 = 4.5; [L45] double var_1_28 = 64.5; [L46] unsigned char var_1_29 = 0; [L47] unsigned long int last_1_var_1_1 = 1000; [L48] unsigned char last_1_var_1_5 = 1; [L49] unsigned long int last_1_var_1_12 = 128; [L50] unsigned char last_1_var_1_13 = 16; [L51] unsigned long int last_1_var_1_15 = 8; [L151] isInitial = 1 [L152] FCALL initially() [L153] COND TRUE 1 [L154] CALL updateLastVariables() [L140] last_1_var_1_1 = var_1_1 [L141] last_1_var_1_5 = var_1_5 [L142] last_1_var_1_12 = var_1_12 [L143] last_1_var_1_13 = var_1_13 [L144] last_1_var_1_15 = var_1_15 [L154] RET updateLastVariables() [L155] CALL updateVariables() [L104] var_1_6 = __VERIFIER_nondet_uchar() [L105] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_21=-5, var_1_22=64, var_1_23=4, var_1_24=16, var_1_25=-100, var_1_26=5000003/5, var_1_27=9/2, var_1_28=129/2, var_1_29=0, var_1_5=1, var_1_7=3/5, var_1_8=32, var_1_9=32] [L20] COND FALSE !(!cond) [L105] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_21=-5, var_1_22=64, var_1_23=4, var_1_24=16, var_1_25=-100, var_1_26=5000003/5, var_1_27=9/2, var_1_28=129/2, var_1_29=0, var_1_5=1, var_1_7=3/5, var_1_8=32, var_1_9=32] [L106] CALL assume_abort_if_not(var_1_6 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_21=-5, var_1_22=64, var_1_23=4, var_1_24=16, var_1_25=-100, var_1_26=5000003/5, var_1_27=9/2, var_1_28=129/2, var_1_29=0, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=32] [L20] COND FALSE !(!cond) [L106] RET assume_abort_if_not(var_1_6 <= 0) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_21=-5, var_1_22=64, var_1_23=4, var_1_24=16, var_1_25=-100, var_1_26=5000003/5, var_1_27=9/2, var_1_28=129/2, var_1_29=0, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=32] [L107] var_1_8 = __VERIFIER_nondet_ulong() [L108] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_21=-5, var_1_22=64, var_1_23=4, var_1_24=16, var_1_25=-100, var_1_26=5000003/5, var_1_27=9/2, var_1_28=129/2, var_1_29=0, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=4, var_1_9=32] [L20] COND FALSE !(!cond) [L108] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_21=-5, var_1_22=64, var_1_23=4, var_1_24=16, var_1_25=-100, var_1_26=5000003/5, var_1_27=9/2, var_1_28=129/2, var_1_29=0, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=4, var_1_9=32] [L109] CALL assume_abort_if_not(var_1_8 <= 4294967295) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_21=-5, var_1_22=64, var_1_23=4, var_1_24=16, var_1_25=-100, var_1_26=5000003/5, var_1_27=9/2, var_1_28=129/2, var_1_29=0, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=4, var_1_9=32] [L20] COND FALSE !(!cond) [L109] RET assume_abort_if_not(var_1_8 <= 4294967295) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_21=-5, var_1_22=64, var_1_23=4, var_1_24=16, var_1_25=-100, var_1_26=5000003/5, var_1_27=9/2, var_1_28=129/2, var_1_29=0, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=4, var_1_9=32] [L110] CALL assume_abort_if_not(var_1_8 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_21=-5, var_1_22=64, var_1_23=4, var_1_24=16, var_1_25=-100, var_1_26=5000003/5, var_1_27=9/2, var_1_28=129/2, var_1_29=0, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=4, var_1_9=32] [L20] COND FALSE !(!cond) [L110] RET assume_abort_if_not(var_1_8 != 0) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_21=-5, var_1_22=64, var_1_23=4, var_1_24=16, var_1_25=-100, var_1_26=5000003/5, var_1_27=9/2, var_1_28=129/2, var_1_29=0, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=4, var_1_9=32] [L111] var_1_9 = __VERIFIER_nondet_ulong() [L112] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_21=-5, var_1_22=64, var_1_23=4, var_1_24=16, var_1_25=-100, var_1_26=5000003/5, var_1_27=9/2, var_1_28=129/2, var_1_29=0, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=4, var_1_9=1] [L20] COND FALSE !(!cond) [L112] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_21=-5, var_1_22=64, var_1_23=4, var_1_24=16, var_1_25=-100, var_1_26=5000003/5, var_1_27=9/2, var_1_28=129/2, var_1_29=0, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=4, var_1_9=1] [L113] CALL assume_abort_if_not(var_1_9 <= 4294967295) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_21=-5, var_1_22=64, var_1_23=4, var_1_24=16, var_1_25=-100, var_1_26=5000003/5, var_1_27=9/2, var_1_28=129/2, var_1_29=0, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=4, var_1_9=1] [L20] COND FALSE !(!cond) [L113] RET assume_abort_if_not(var_1_9 <= 4294967295) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_21=-5, var_1_22=64, var_1_23=4, var_1_24=16, var_1_25=-100, var_1_26=5000003/5, var_1_27=9/2, var_1_28=129/2, var_1_29=0, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=4, var_1_9=1] [L114] CALL assume_abort_if_not(var_1_9 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_21=-5, var_1_22=64, var_1_23=4, var_1_24=16, var_1_25=-100, var_1_26=5000003/5, var_1_27=9/2, var_1_28=129/2, var_1_29=0, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=4, var_1_9=1] [L20] COND FALSE !(!cond) [L114] RET assume_abort_if_not(var_1_9 != 0) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_21=-5, var_1_22=64, var_1_23=4, var_1_24=16, var_1_25=-100, var_1_26=5000003/5, var_1_27=9/2, var_1_28=129/2, var_1_29=0, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=4, var_1_9=1] [L115] var_1_11 = __VERIFIER_nondet_float() [L116] CALL assume_abort_if_not((var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_21=-5, var_1_22=64, var_1_23=4, var_1_24=16, var_1_25=-100, var_1_26=5000003/5, var_1_27=9/2, var_1_28=129/2, var_1_29=0, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=4, var_1_9=1] [L20] COND FALSE !(!cond) [L116] RET assume_abort_if_not((var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_21=-5, var_1_22=64, var_1_23=4, var_1_24=16, var_1_25=-100, var_1_26=5000003/5, var_1_27=9/2, var_1_28=129/2, var_1_29=0, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=4, var_1_9=1] [L117] var_1_14 = __VERIFIER_nondet_uchar() [L118] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_21=-5, var_1_22=64, var_1_23=4, var_1_24=16, var_1_25=-100, var_1_26=5000003/5, var_1_27=9/2, var_1_28=129/2, var_1_29=0, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=4, var_1_9=1] [L20] COND FALSE !(!cond) [L118] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_21=-5, var_1_22=64, var_1_23=4, var_1_24=16, var_1_25=-100, var_1_26=5000003/5, var_1_27=9/2, var_1_28=129/2, var_1_29=0, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=4, var_1_9=1] [L119] CALL assume_abort_if_not(var_1_14 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_21=-5, var_1_22=64, var_1_23=4, var_1_24=16, var_1_25=-100, var_1_26=5000003/5, var_1_27=9/2, var_1_28=129/2, var_1_29=0, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=4, var_1_9=1] [L20] COND FALSE !(!cond) [L119] RET assume_abort_if_not(var_1_14 <= 254) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_21=-5, var_1_22=64, var_1_23=4, var_1_24=16, var_1_25=-100, var_1_26=5000003/5, var_1_27=9/2, var_1_28=129/2, var_1_29=0, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=4, var_1_9=1] [L120] var_1_17 = __VERIFIER_nondet_uchar() [L121] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_21=-5, var_1_22=64, var_1_23=4, var_1_24=16, var_1_25=-100, var_1_26=5000003/5, var_1_27=9/2, var_1_28=129/2, var_1_29=0, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=4, var_1_9=1] [L20] COND FALSE !(!cond) [L121] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_21=-5, var_1_22=64, var_1_23=4, var_1_24=16, var_1_25=-100, var_1_26=5000003/5, var_1_27=9/2, var_1_28=129/2, var_1_29=0, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=4, var_1_9=1] [L122] CALL assume_abort_if_not(var_1_17 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_21=-5, var_1_22=64, var_1_23=4, var_1_24=16, var_1_25=-100, var_1_26=5000003/5, var_1_27=9/2, var_1_28=129/2, var_1_29=0, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=4, var_1_9=1] [L20] COND FALSE !(!cond) [L122] RET assume_abort_if_not(var_1_17 <= 0) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_21=-5, var_1_22=64, var_1_23=4, var_1_24=16, var_1_25=-100, var_1_26=5000003/5, var_1_27=9/2, var_1_28=129/2, var_1_29=0, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=4, var_1_9=1] [L123] var_1_19 = __VERIFIER_nondet_double() [L124] CALL assume_abort_if_not((var_1_19 >= -461168.6018427382800e+13F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=3, var_1_1=1000, var_1_20=31/2, var_1_21=-5, var_1_22=64, var_1_23=4, var_1_24=16, var_1_25=-100, var_1_26=5000003/5, var_1_27=9/2, var_1_28=129/2, var_1_29=0, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=4, var_1_9=1] [L20] COND FALSE !(!cond) [L124] RET assume_abort_if_not((var_1_19 >= -461168.6018427382800e+13F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=3, var_1_1=1000, var_1_20=31/2, var_1_21=-5, var_1_22=64, var_1_23=4, var_1_24=16, var_1_25=-100, var_1_26=5000003/5, var_1_27=9/2, var_1_28=129/2, var_1_29=0, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=4, var_1_9=1] [L125] var_1_20 = __VERIFIER_nondet_double() [L126] CALL assume_abort_if_not((var_1_20 >= 0.0F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 4611686.018427382800e+12F && var_1_20 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=3, var_1_1=1000, var_1_20=4, var_1_21=-5, var_1_22=64, var_1_23=4, var_1_24=16, var_1_25=-100, var_1_26=5000003/5, var_1_27=9/2, var_1_28=129/2, var_1_29=0, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=4, var_1_9=1] [L20] COND FALSE !(!cond) [L126] RET assume_abort_if_not((var_1_20 >= 0.0F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 4611686.018427382800e+12F && var_1_20 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=3, var_1_1=1000, var_1_20=4, var_1_21=-5, var_1_22=64, var_1_23=4, var_1_24=16, var_1_25=-100, var_1_26=5000003/5, var_1_27=9/2, var_1_28=129/2, var_1_29=0, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=4, var_1_9=1] [L127] var_1_22 = __VERIFIER_nondet_char() [L128] CALL assume_abort_if_not(var_1_22 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=3, var_1_1=1000, var_1_20=4, var_1_21=-5, var_1_22=0, var_1_23=4, var_1_24=16, var_1_25=-100, var_1_26=5000003/5, var_1_27=9/2, var_1_28=129/2, var_1_29=0, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=4, var_1_9=1] [L20] COND FALSE !(!cond) [L128] RET assume_abort_if_not(var_1_22 >= -127) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=3, var_1_1=1000, var_1_20=4, var_1_21=-5, var_1_22=0, var_1_23=4, var_1_24=16, var_1_25=-100, var_1_26=5000003/5, var_1_27=9/2, var_1_28=129/2, var_1_29=0, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=4, var_1_9=1] [L129] CALL assume_abort_if_not(var_1_22 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=3, var_1_1=1000, var_1_20=4, var_1_21=-5, var_1_22=0, var_1_23=4, var_1_24=16, var_1_25=-100, var_1_26=5000003/5, var_1_27=9/2, var_1_28=129/2, var_1_29=0, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=4, var_1_9=1] [L20] COND FALSE !(!cond) [L129] RET assume_abort_if_not(var_1_22 <= 126) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=3, var_1_1=1000, var_1_20=4, var_1_21=-5, var_1_22=0, var_1_23=4, var_1_24=16, var_1_25=-100, var_1_26=5000003/5, var_1_27=9/2, var_1_28=129/2, var_1_29=0, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=4, var_1_9=1] [L130] var_1_24 = __VERIFIER_nondet_ulong() [L131] CALL assume_abort_if_not(var_1_24 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=3, var_1_1=1000, var_1_20=4, var_1_21=-5, var_1_22=0, var_1_23=4, var_1_24=255, var_1_25=-100, var_1_26=5000003/5, var_1_27=9/2, var_1_28=129/2, var_1_29=0, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=4, var_1_9=1] [L20] COND FALSE !(!cond) [L131] RET assume_abort_if_not(var_1_24 >= 0) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=3, var_1_1=1000, var_1_20=4, var_1_21=-5, var_1_22=0, var_1_23=4, var_1_24=255, var_1_25=-100, var_1_26=5000003/5, var_1_27=9/2, var_1_28=129/2, var_1_29=0, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=4, var_1_9=1] [L132] CALL assume_abort_if_not(var_1_24 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=3, var_1_1=1000, var_1_20=4, var_1_21=-5, var_1_22=0, var_1_23=4, var_1_24=255, var_1_25=-100, var_1_26=5000003/5, var_1_27=9/2, var_1_28=129/2, var_1_29=0, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=4, var_1_9=1] [L20] COND FALSE !(!cond) [L132] RET assume_abort_if_not(var_1_24 <= 4294967294) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=3, var_1_1=1000, var_1_20=4, var_1_21=-5, var_1_22=0, var_1_23=4, var_1_24=255, var_1_25=-100, var_1_26=5000003/5, var_1_27=9/2, var_1_28=129/2, var_1_29=0, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=4, var_1_9=1] [L133] var_1_27 = __VERIFIER_nondet_float() [L134] CALL assume_abort_if_not((var_1_27 >= -922337.2036854765600e+13F && var_1_27 <= -1.0e-20F) || (var_1_27 <= 9223372.036854765600e+12F && var_1_27 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=3, var_1_1=1000, var_1_20=4, var_1_21=-5, var_1_22=0, var_1_23=4, var_1_24=255, var_1_25=-100, var_1_26=5000003/5, var_1_27=5, var_1_28=129/2, var_1_29=0, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=4, var_1_9=1] [L20] COND FALSE !(!cond) [L134] RET assume_abort_if_not((var_1_27 >= -922337.2036854765600e+13F && var_1_27 <= -1.0e-20F) || (var_1_27 <= 9223372.036854765600e+12F && var_1_27 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=3, var_1_1=1000, var_1_20=4, var_1_21=-5, var_1_22=0, var_1_23=4, var_1_24=255, var_1_25=-100, var_1_26=5000003/5, var_1_27=5, var_1_28=129/2, var_1_29=0, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=4, var_1_9=1] [L135] var_1_29 = __VERIFIER_nondet_uchar() [L136] CALL assume_abort_if_not(var_1_29 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=3, var_1_1=1000, var_1_20=4, var_1_21=-5, var_1_22=0, var_1_23=4, var_1_24=255, var_1_25=-100, var_1_26=5000003/5, var_1_27=5, var_1_28=129/2, var_1_29=0, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=4, var_1_9=1] [L20] COND FALSE !(!cond) [L136] RET assume_abort_if_not(var_1_29 >= 0) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=3, var_1_1=1000, var_1_20=4, var_1_21=-5, var_1_22=0, var_1_23=4, var_1_24=255, var_1_25=-100, var_1_26=5000003/5, var_1_27=5, var_1_28=129/2, var_1_29=0, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=4, var_1_9=1] [L137] CALL assume_abort_if_not(var_1_29 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=3, var_1_1=1000, var_1_20=4, var_1_21=-5, var_1_22=0, var_1_23=4, var_1_24=255, var_1_25=-100, var_1_26=5000003/5, var_1_27=5, var_1_28=129/2, var_1_29=0, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=4, var_1_9=1] [L20] COND FALSE !(!cond) [L137] RET assume_abort_if_not(var_1_29 <= 1) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=3, var_1_1=1000, var_1_20=4, var_1_21=-5, var_1_22=0, var_1_23=4, var_1_24=255, var_1_25=-100, var_1_26=5000003/5, var_1_27=5, var_1_28=129/2, var_1_29=0, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=4, var_1_9=1] [L155] RET updateVariables() [L156] CALL step() [L55] var_1_21 = var_1_22 [L56] var_1_23 = var_1_24 [L57] var_1_25 = var_1_22 [L58] var_1_26 = var_1_27 [L59] EXPR var_1_24 >> var_1_22 [L59] EXPR 256u ^ (var_1_24 >> var_1_22) [L59] COND TRUE (256u ^ (var_1_24 >> var_1_22)) != var_1_23 [L60] COND FALSE !(\read(var_1_29)) [L64] signed long int stepLocal_1 = last_1_var_1_13; [L65] signed long int stepLocal_0 = last_1_var_1_13; [L66] COND TRUE stepLocal_1 < ((- last_1_var_1_12) * 64) [L67] COND TRUE \read(last_1_var_1_5) [L68] var_1_1 = ((((last_1_var_1_12) < 0 ) ? -(last_1_var_1_12) : (last_1_var_1_12))) [L77] unsigned long int stepLocal_2 = last_1_var_1_15 + last_1_var_1_1; [L78] COND TRUE last_1_var_1_13 <= stepLocal_2 [L79] var_1_5 = ((last_1_var_1_15 == last_1_var_1_13) && var_1_6) [L83] unsigned char stepLocal_3 = var_1_5; [L84] COND FALSE !(stepLocal_3 || var_1_17) [L87] var_1_13 = ((((var_1_14) < 0 ) ? -(var_1_14) : (var_1_14))) [L88] var_1_16 = (var_1_6 && var_1_17) [L89] COND FALSE !(\read(var_1_5)) [L92] COND TRUE (var_1_15 + (var_1_15 * var_1_13)) <= ((32u / var_1_8) / var_1_9) [L93] COND TRUE 1.25f < var_1_18 [L94] var_1_7 = 1000000.1f [L99] COND FALSE !(var_1_7 <= (- (32.8f + var_1_7))) [L156] RET step() [L157] CALL, EXPR property() [L147-L148] return ((((((((last_1_var_1_13 < ((- last_1_var_1_12) * 64)) ? (last_1_var_1_5 ? (var_1_1 == ((unsigned long int) ((((last_1_var_1_12) < 0 ) ? -(last_1_var_1_12) : (last_1_var_1_12))))) : ((-10000000 < last_1_var_1_13) ? (var_1_1 == ((unsigned long int) (((((((last_1_var_1_12) > (5u)) ? (last_1_var_1_12) : (5u))) < 0 ) ? -((((last_1_var_1_12) > (5u)) ? (last_1_var_1_12) : (5u))) : ((((last_1_var_1_12) > (5u)) ? (last_1_var_1_12) : (5u))))))) : (var_1_1 == ((unsigned long int) 50u)))) : 1) && ((last_1_var_1_13 <= (last_1_var_1_15 + last_1_var_1_1)) ? (var_1_5 == ((unsigned char) ((last_1_var_1_15 == last_1_var_1_13) && var_1_6))) : (var_1_5 == ((unsigned char) var_1_6)))) && (((var_1_15 + (var_1_15 * var_1_13)) <= ((32u / var_1_8) / var_1_9)) ? ((1.25f < var_1_18) ? (var_1_7 == ((float) 1000000.1f)) : 1) : (var_1_7 == ((float) var_1_11)))) && ((var_1_7 <= (- (32.8f + var_1_7))) ? (var_1_12 == ((unsigned long int) last_1_var_1_12)) : 1)) && (var_1_13 == ((unsigned char) ((((var_1_14) < 0 ) ? -(var_1_14) : (var_1_14)))))) && (var_1_5 ? (var_1_15 == ((unsigned long int) ((((var_1_1) > ((var_1_13 + ((((var_1_14) < 0 ) ? -(var_1_14) : (var_1_14)))))) ? (var_1_1) : ((var_1_13 + ((((var_1_14) < 0 ) ? -(var_1_14) : (var_1_14))))))))) : 1)) && (var_1_16 == ((unsigned char) (var_1_6 && var_1_17)))) && ((var_1_5 || var_1_17) ? (var_1_18 == ((double) ((((((var_1_19) < 0 ) ? -(var_1_19) : (var_1_19))) + var_1_20) - 63.6))) : 1) ; [L157] RET, EXPR property() [L157] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=2, var_1_12=128, var_1_13=0, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=3, var_1_1=128, var_1_20=4, var_1_21=0, var_1_22=0, var_1_23=255, var_1_24=255, var_1_25=0, var_1_26=5, var_1_27=5, var_1_28=129/2, var_1_29=0, var_1_5=0, var_1_6=0, var_1_7=10000001/10, var_1_8=4, var_1_9=1] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=2, var_1_12=128, var_1_13=0, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=3, var_1_1=128, var_1_20=4, var_1_21=0, var_1_22=0, var_1_23=255, var_1_24=255, var_1_25=0, var_1_26=5, var_1_27=5, var_1_28=129/2, var_1_29=0, var_1_5=0, var_1_6=0, var_1_7=10000001/10, var_1_8=4, var_1_9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 43 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 1, TraceHistogramMax: 22, 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=43occurred 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, 0.4s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 82 NumberOfCodeBlocks, 82 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 [2023-11-12 00:49:19,244 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6530f5ce-5799-4b70-83c2-0efacf224fc5/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6530f5ce-5799-4b70-83c2-0efacf224fc5/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6530f5ce-5799-4b70-83c2-0efacf224fc5/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6530f5ce-5799-4b70-83c2-0efacf224fc5/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6530f5ce-5799-4b70-83c2-0efacf224fc5/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-85.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6530f5ce-5799-4b70-83c2-0efacf224fc5/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6530f5ce-5799-4b70-83c2-0efacf224fc5/bin/utaipan-verify-NcY6lQBIFX --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 c4862b5ebb887702302f2980511014b313d3fbe17ee23cc3bf7542b446fc70eb --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:49:21,965 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:49:22,094 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6530f5ce-5799-4b70-83c2-0efacf224fc5/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-12 00:49:22,100 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:49:22,101 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:49:22,134 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:49:22,134 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:49:22,135 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:49:22,136 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:49:22,141 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:49:22,142 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:49:22,142 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:49:22,143 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:49:22,143 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:49:22,144 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:49:22,144 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:49:22,145 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:49:22,146 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:49:22,146 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:49:22,146 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:49:22,147 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:49:22,147 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:49:22,148 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:49:22,148 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:49:22,149 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 00:49:22,149 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 00:49:22,150 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 00:49:22,150 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:49:22,150 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:49:22,151 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:49:22,151 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:49:22,152 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 00:49:22,152 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:49:22,152 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:49:22,153 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:49:22,153 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:49:22,153 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:49:22,154 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-12 00:49:22,154 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 00:49:22,154 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:49:22,154 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:49:22,155 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:49:22,155 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_6530f5ce-5799-4b70-83c2-0efacf224fc5/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6530f5ce-5799-4b70-83c2-0efacf224fc5/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c4862b5ebb887702302f2980511014b313d3fbe17ee23cc3bf7542b446fc70eb [2023-11-12 00:49:22,599 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:49:22,629 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:49:22,631 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:49:22,632 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:49:22,636 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:49:22,637 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6530f5ce-5799-4b70-83c2-0efacf224fc5/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-85.i [2023-11-12 00:49:26,067 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:49:26,333 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:49:26,334 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6530f5ce-5799-4b70-83c2-0efacf224fc5/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-85.i [2023-11-12 00:49:26,345 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6530f5ce-5799-4b70-83c2-0efacf224fc5/bin/utaipan-verify-NcY6lQBIFX/data/56d82b4a0/0a8655d80bd641b8836709778ae332e9/FLAG1114b18f3 [2023-11-12 00:49:26,361 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6530f5ce-5799-4b70-83c2-0efacf224fc5/bin/utaipan-verify-NcY6lQBIFX/data/56d82b4a0/0a8655d80bd641b8836709778ae332e9 [2023-11-12 00:49:26,364 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:49:26,366 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:49:26,367 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:49:26,368 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:49:26,373 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:49:26,374 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:49:26" (1/1) ... [2023-11-12 00:49:26,375 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6eb7bb06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:49:26, skipping insertion in model container [2023-11-12 00:49:26,376 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:49:26" (1/1) ... [2023-11-12 00:49:26,433 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:49:26,653 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_6530f5ce-5799-4b70-83c2-0efacf224fc5/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-85.i[915,928] [2023-11-12 00:49:26,761 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:49:26,791 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:49:26,811 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_6530f5ce-5799-4b70-83c2-0efacf224fc5/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-85.i[915,928] [2023-11-12 00:49:26,876 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:49:26,904 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:49:26,905 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:49:26 WrapperNode [2023-11-12 00:49:26,905 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:49:26,906 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:49:26,907 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:49:26,908 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:49:26,915 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:49:26" (1/1) ... [2023-11-12 00:49:26,945 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:49:26" (1/1) ... [2023-11-12 00:49:26,996 INFO L138 Inliner]: procedures = 27, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 159 [2023-11-12 00:49:26,998 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:49:26,999 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:49:27,000 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:49:27,000 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:49:27,011 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:49:26" (1/1) ... [2023-11-12 00:49:27,011 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:49:26" (1/1) ... [2023-11-12 00:49:27,027 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:49:26" (1/1) ... [2023-11-12 00:49:27,037 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:49:26" (1/1) ... [2023-11-12 00:49:27,050 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:49:26" (1/1) ... [2023-11-12 00:49:27,054 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:49:26" (1/1) ... [2023-11-12 00:49:27,057 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:49:26" (1/1) ... [2023-11-12 00:49:27,060 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:49:26" (1/1) ... [2023-11-12 00:49:27,065 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:49:27,066 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:49:27,066 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:49:27,067 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:49:27,067 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:49:26" (1/1) ... [2023-11-12 00:49:27,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:49:27,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6530f5ce-5799-4b70-83c2-0efacf224fc5/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:49:27,111 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6530f5ce-5799-4b70-83c2-0efacf224fc5/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:49:27,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6530f5ce-5799-4b70-83c2-0efacf224fc5/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:49:27,147 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:49:27,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 00:49:27,149 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:49:27,150 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:49:27,151 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:49:27,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:49:27,245 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:49:27,246 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:49:30,790 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:49:30,801 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:49:30,801 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:49:30,804 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:49:30 BoogieIcfgContainer [2023-11-12 00:49:30,804 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:49:30,808 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:49:30,808 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:49:30,811 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:49:30,812 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:49:26" (1/3) ... [2023-11-12 00:49:30,812 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fa5c85b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:49:30, skipping insertion in model container [2023-11-12 00:49:30,813 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:49:26" (2/3) ... [2023-11-12 00:49:30,813 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fa5c85b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:49:30, skipping insertion in model container [2023-11-12 00:49:30,814 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:49:30" (3/3) ... [2023-11-12 00:49:30,815 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-10_file-85.i [2023-11-12 00:49:30,830 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:49:30,831 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:49:30,873 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:49:30,880 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;@23437887, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:49:30,880 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:49:30,885 INFO L276 IsEmpty]: Start isEmpty. Operand has 68 states, 43 states have (on average 1.372093023255814) internal successors, (59), 44 states have internal predecessors, (59), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-12 00:49:30,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-11-12 00:49:30,901 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:49:30,903 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:49:30,905 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:49:30,911 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:49:30,915 INFO L85 PathProgramCache]: Analyzing trace with hash -29964851, now seen corresponding path program 1 times [2023-11-12 00:49:30,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:49:30,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1183784898] [2023-11-12 00:49:30,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:49:30,929 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 [2023-11-12 00:49:30,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6530f5ce-5799-4b70-83c2-0efacf224fc5/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:49:30,931 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6530f5ce-5799-4b70-83c2-0efacf224fc5/bin/utaipan-verify-NcY6lQBIFX/mathsat -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) [2023-11-12 00:49:30,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6530f5ce-5799-4b70-83c2-0efacf224fc5/bin/utaipan-verify-NcY6lQBIFX/mathsat -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 [2023-11-12 00:49:31,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:49:31,535 INFO L262 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-12 00:49:31,548 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:49:31,624 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 458 proven. 0 refuted. 0 times theorem prover too weak. 466 trivial. 0 not checked. [2023-11-12 00:49:31,633 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:49:31,634 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:49:31,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1183784898] [2023-11-12 00:49:31,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1183784898] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:49:31,635 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:49:31,636 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 00:49:31,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661791353] [2023-11-12 00:49:31,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:49:31,644 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 00:49:31,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:49:31,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 00:49:31,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 00:49:31,685 INFO L87 Difference]: Start difference. First operand has 68 states, 43 states have (on average 1.372093023255814) internal successors, (59), 44 states have internal predecessors, (59), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2023-11-12 00:49:31,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:49:31,721 INFO L93 Difference]: Finished difference Result 129 states and 222 transitions. [2023-11-12 00:49:31,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 00:49:31,723 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 142 [2023-11-12 00:49:31,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:49:31,732 INFO L225 Difference]: With dead ends: 129 [2023-11-12 00:49:31,733 INFO L226 Difference]: Without dead ends: 64 [2023-11-12 00:49:31,737 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 00:49:31,741 INFO L413 NwaCegarLoop]: 96 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 96 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 00:49:31,743 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 00:49:31,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2023-11-12 00:49:31,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2023-11-12 00:49:31,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 40 states have (on average 1.3) internal successors, (52), 40 states have internal predecessors, (52), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-12 00:49:31,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 96 transitions. [2023-11-12 00:49:31,796 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 96 transitions. Word has length 142 [2023-11-12 00:49:31,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:49:31,797 INFO L495 AbstractCegarLoop]: Abstraction has 64 states and 96 transitions. [2023-11-12 00:49:31,797 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2023-11-12 00:49:31,797 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 96 transitions. [2023-11-12 00:49:31,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-11-12 00:49:31,802 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:49:31,802 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:49:31,825 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6530f5ce-5799-4b70-83c2-0efacf224fc5/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2023-11-12 00:49:32,020 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6530f5ce-5799-4b70-83c2-0efacf224fc5/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-12 00:49:32,021 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:49:32,021 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:49:32,022 INFO L85 PathProgramCache]: Analyzing trace with hash -1810870079, now seen corresponding path program 1 times [2023-11-12 00:49:32,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:49:32,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [148888945] [2023-11-12 00:49:32,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:49:32,023 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 [2023-11-12 00:49:32,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6530f5ce-5799-4b70-83c2-0efacf224fc5/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:49:32,026 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6530f5ce-5799-4b70-83c2-0efacf224fc5/bin/utaipan-verify-NcY6lQBIFX/mathsat -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) [2023-11-12 00:49:32,030 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6530f5ce-5799-4b70-83c2-0efacf224fc5/bin/utaipan-verify-NcY6lQBIFX/mathsat -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 [2023-11-12 00:49:32,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:49:32,618 INFO L262 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-12 00:49:32,626 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:49:33,544 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-11-12 00:49:33,544 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:49:33,544 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:49:33,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [148888945] [2023-11-12 00:49:33,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [148888945] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:49:33,545 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:49:33,545 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 00:49:33,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517018626] [2023-11-12 00:49:33,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:49:33,548 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-12 00:49:33,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:49:33,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-12 00:49:33,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-12 00:49:33,550 INFO L87 Difference]: Start difference. First operand 64 states and 96 transitions. Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-12 00:49:36,645 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-12 00:49:37,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:49:37,126 INFO L93 Difference]: Finished difference Result 125 states and 189 transitions. [2023-11-12 00:49:37,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-12 00:49:37,150 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 142 [2023-11-12 00:49:37,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:49:37,153 INFO L225 Difference]: With dead ends: 125 [2023-11-12 00:49:37,153 INFO L226 Difference]: Without dead ends: 64 [2023-11-12 00:49:37,154 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-11-12 00:49:37,156 INFO L413 NwaCegarLoop]: 89 mSDtfsCounter, 98 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 46 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2023-11-12 00:49:37,156 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 115 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 53 Invalid, 1 Unknown, 0 Unchecked, 3.5s Time] [2023-11-12 00:49:37,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2023-11-12 00:49:37,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2023-11-12 00:49:37,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 40 states have (on average 1.275) internal successors, (51), 40 states have internal predecessors, (51), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-12 00:49:37,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 95 transitions. [2023-11-12 00:49:37,177 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 95 transitions. Word has length 142 [2023-11-12 00:49:37,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:49:37,183 INFO L495 AbstractCegarLoop]: Abstraction has 64 states and 95 transitions. [2023-11-12 00:49:37,184 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-12 00:49:37,184 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 95 transitions. [2023-11-12 00:49:37,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2023-11-12 00:49:37,190 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:49:37,191 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:49:37,219 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6530f5ce-5799-4b70-83c2-0efacf224fc5/bin/utaipan-verify-NcY6lQBIFX/mathsat -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 [2023-11-12 00:49:37,413 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6530f5ce-5799-4b70-83c2-0efacf224fc5/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-12 00:49:37,413 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:49:37,414 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:49:37,414 INFO L85 PathProgramCache]: Analyzing trace with hash -1951073965, now seen corresponding path program 1 times [2023-11-12 00:49:37,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:49:37,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [221495951] [2023-11-12 00:49:37,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:49:37,416 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 [2023-11-12 00:49:37,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6530f5ce-5799-4b70-83c2-0efacf224fc5/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:49:37,417 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6530f5ce-5799-4b70-83c2-0efacf224fc5/bin/utaipan-verify-NcY6lQBIFX/mathsat -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) [2023-11-12 00:49:37,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6530f5ce-5799-4b70-83c2-0efacf224fc5/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-12 00:49:37,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:49:37,915 INFO L262 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-12 00:49:37,924 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:49:40,011 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 477 proven. 27 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2023-11-12 00:49:40,011 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:49:40,893 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 36 proven. 27 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2023-11-12 00:49:40,893 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:49:40,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [221495951] [2023-11-12 00:49:40,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [221495951] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 00:49:40,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1793972130] [2023-11-12 00:49:40,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:49:40,894 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-12 00:49:40,894 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6530f5ce-5799-4b70-83c2-0efacf224fc5/bin/utaipan-verify-NcY6lQBIFX/cvc4 [2023-11-12 00:49:40,903 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6530f5ce-5799-4b70-83c2-0efacf224fc5/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-12 00:49:40,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6530f5ce-5799-4b70-83c2-0efacf224fc5/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-11-12 00:49:42,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:49:42,314 INFO L262 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-12 00:49:42,321 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:49:43,725 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-11-12 00:49:43,725 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:49:43,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1793972130] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:49:43,726 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-12 00:49:43,726 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8, 9] total 15 [2023-11-12 00:49:43,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285446606] [2023-11-12 00:49:43,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:49:43,727 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-12 00:49:43,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:49:43,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-12 00:49:43,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2023-11-12 00:49:43,728 INFO L87 Difference]: Start difference. First operand 64 states and 95 transitions. Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-12 00:49:46,392 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:49:49,261 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:49:49,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:49:49,300 INFO L93 Difference]: Finished difference Result 258 states and 385 transitions. [2023-11-12 00:49:49,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-12 00:49:49,334 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 143 [2023-11-12 00:49:49,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:49:49,339 INFO L225 Difference]: With dead ends: 258 [2023-11-12 00:49:49,339 INFO L226 Difference]: Without dead ends: 197 [2023-11-12 00:49:49,341 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 429 GetRequests, 412 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=70, Invalid=236, Unknown=0, NotChecked=0, Total=306 [2023-11-12 00:49:49,342 INFO L413 NwaCegarLoop]: 160 mSDtfsCounter, 180 mSDsluCounter, 267 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 47 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 180 SdHoareTripleChecker+Valid, 427 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2023-11-12 00:49:49,343 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [180 Valid, 427 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 32 Invalid, 1 Unknown, 0 Unchecked, 5.4s Time] [2023-11-12 00:49:49,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2023-11-12 00:49:49,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 116. [2023-11-12 00:49:49,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 69 states have (on average 1.2463768115942029) internal successors, (86), 69 states have internal predecessors, (86), 44 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2023-11-12 00:49:49,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 174 transitions. [2023-11-12 00:49:49,410 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 174 transitions. Word has length 143 [2023-11-12 00:49:49,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:49:49,412 INFO L495 AbstractCegarLoop]: Abstraction has 116 states and 174 transitions. [2023-11-12 00:49:49,412 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-12 00:49:49,412 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 174 transitions. [2023-11-12 00:49:49,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2023-11-12 00:49:49,420 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:49:49,421 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:49:49,431 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6530f5ce-5799-4b70-83c2-0efacf224fc5/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2023-11-12 00:49:49,646 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6530f5ce-5799-4b70-83c2-0efacf224fc5/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-11-12 00:49:49,830 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6530f5ce-5799-4b70-83c2-0efacf224fc5/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6530f5ce-5799-4b70-83c2-0efacf224fc5/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-12 00:49:49,830 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:49:49,831 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:49:49,831 INFO L85 PathProgramCache]: Analyzing trace with hash -176066603, now seen corresponding path program 1 times [2023-11-12 00:49:49,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:49:49,832 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1437132206] [2023-11-12 00:49:49,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:49:49,833 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-12 00:49:49,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6530f5ce-5799-4b70-83c2-0efacf224fc5/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:49:49,834 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6530f5ce-5799-4b70-83c2-0efacf224fc5/bin/utaipan-verify-NcY6lQBIFX/mathsat -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) [2023-11-12 00:49:49,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6530f5ce-5799-4b70-83c2-0efacf224fc5/bin/utaipan-verify-NcY6lQBIFX/mathsat -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 [2023-11-12 00:49:50,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:49:50,352 INFO L262 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-12 00:49:50,356 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:49:52,195 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 477 proven. 27 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2023-11-12 00:49:52,196 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:49:52,908 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 36 proven. 27 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2023-11-12 00:49:52,908 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:49:52,908 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1437132206] [2023-11-12 00:49:52,908 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1437132206] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 00:49:52,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [593171781] [2023-11-12 00:49:52,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:49:52,909 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-12 00:49:52,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6530f5ce-5799-4b70-83c2-0efacf224fc5/bin/utaipan-verify-NcY6lQBIFX/cvc4 [2023-11-12 00:49:52,912 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6530f5ce-5799-4b70-83c2-0efacf224fc5/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-12 00:49:52,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6530f5ce-5799-4b70-83c2-0efacf224fc5/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-11-12 00:49:54,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:49:54,533 INFO L262 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-12 00:49:54,537 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:49:55,003 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 477 proven. 27 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2023-11-12 00:49:55,003 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:49:55,502 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 36 proven. 27 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2023-11-12 00:49:55,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [593171781] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 00:49:55,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1094599932] [2023-11-12 00:49:55,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:49:55,503 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:49:55,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6530f5ce-5799-4b70-83c2-0efacf224fc5/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:49:55,511 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6530f5ce-5799-4b70-83c2-0efacf224fc5/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 00:49:55,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6530f5ce-5799-4b70-83c2-0efacf224fc5/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-12 00:49:55,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:49:55,817 INFO L262 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-12 00:49:55,820 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:49:56,067 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 477 proven. 27 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2023-11-12 00:49:56,067 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:49:56,367 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 36 proven. 27 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2023-11-12 00:49:56,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1094599932] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 00:49:56,368 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2023-11-12 00:49:56,368 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9, 7, 7, 7, 7] total 22 [2023-11-12 00:49:56,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393101838] [2023-11-12 00:49:56,369 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2023-11-12 00:49:56,370 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2023-11-12 00:49:56,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:49:56,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2023-11-12 00:49:56,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=360, Unknown=0, NotChecked=0, Total=462 [2023-11-12 00:49:56,373 INFO L87 Difference]: Start difference. First operand 116 states and 174 transitions. Second operand has 22 states, 22 states have (on average 4.954545454545454) internal successors, (109), 22 states have internal predecessors, (109), 6 states have call successors, (75), 4 states have call predecessors, (75), 8 states have return successors, (76), 6 states have call predecessors, (76), 6 states have call successors, (76) [2023-11-12 00:50:01,153 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:50:03,301 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:50:08,837 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:50:09,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:50:09,761 INFO L93 Difference]: Finished difference Result 294 states and 418 transitions. [2023-11-12 00:50:09,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-11-12 00:50:09,762 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 4.954545454545454) internal successors, (109), 22 states have internal predecessors, (109), 6 states have call successors, (75), 4 states have call predecessors, (75), 8 states have return successors, (76), 6 states have call predecessors, (76), 6 states have call successors, (76) Word has length 143 [2023-11-12 00:50:09,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:50:09,766 INFO L225 Difference]: With dead ends: 294 [2023-11-12 00:50:09,766 INFO L226 Difference]: Without dead ends: 231 [2023-11-12 00:50:09,769 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 887 GetRequests, 831 SyntacticMatches, 3 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 749 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=604, Invalid=2366, Unknown=0, NotChecked=0, Total=2970 [2023-11-12 00:50:09,770 INFO L413 NwaCegarLoop]: 88 mSDtfsCounter, 514 mSDsluCounter, 893 mSDsCounter, 0 mSdLazyCounter, 999 mSolverCounterSat, 356 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 527 SdHoareTripleChecker+Valid, 981 SdHoareTripleChecker+Invalid, 1356 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 356 IncrementalHoareTripleChecker+Valid, 999 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.8s IncrementalHoareTripleChecker+Time [2023-11-12 00:50:09,770 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [527 Valid, 981 Invalid, 1356 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [356 Valid, 999 Invalid, 1 Unknown, 0 Unchecked, 11.8s Time] [2023-11-12 00:50:09,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2023-11-12 00:50:09,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 178. [2023-11-12 00:50:09,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 104 states have (on average 1.1826923076923077) internal successors, (123), 105 states have internal predecessors, (123), 66 states have call successors, (66), 7 states have call predecessors, (66), 7 states have return successors, (66), 65 states have call predecessors, (66), 66 states have call successors, (66) [2023-11-12 00:50:09,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 255 transitions. [2023-11-12 00:50:09,834 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 255 transitions. Word has length 143 [2023-11-12 00:50:09,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:50:09,835 INFO L495 AbstractCegarLoop]: Abstraction has 178 states and 255 transitions. [2023-11-12 00:50:09,835 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 4.954545454545454) internal successors, (109), 22 states have internal predecessors, (109), 6 states have call successors, (75), 4 states have call predecessors, (75), 8 states have return successors, (76), 6 states have call predecessors, (76), 6 states have call successors, (76) [2023-11-12 00:50:09,835 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 255 transitions. [2023-11-12 00:50:09,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2023-11-12 00:50:09,838 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:50:09,838 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:50:09,860 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6530f5ce-5799-4b70-83c2-0efacf224fc5/bin/utaipan-verify-NcY6lQBIFX/mathsat -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)] Forceful destruction successful, exit code 0 [2023-11-12 00:50:10,077 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6530f5ce-5799-4b70-83c2-0efacf224fc5/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-12 00:50:10,268 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6530f5ce-5799-4b70-83c2-0efacf224fc5/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2023-11-12 00:50:10,459 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6530f5ce-5799-4b70-83c2-0efacf224fc5/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6530f5ce-5799-4b70-83c2-0efacf224fc5/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6530f5ce-5799-4b70-83c2-0efacf224fc5/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt [2023-11-12 00:50:10,460 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:50:10,461 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:50:10,461 INFO L85 PathProgramCache]: Analyzing trace with hash 503991767, now seen corresponding path program 1 times [2023-11-12 00:50:10,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:50:10,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1405360705] [2023-11-12 00:50:10,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:50:10,462 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 [2023-11-12 00:50:10,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6530f5ce-5799-4b70-83c2-0efacf224fc5/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:50:10,463 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6530f5ce-5799-4b70-83c2-0efacf224fc5/bin/utaipan-verify-NcY6lQBIFX/mathsat -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) [2023-11-12 00:50:10,465 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6530f5ce-5799-4b70-83c2-0efacf224fc5/bin/utaipan-verify-NcY6lQBIFX/mathsat -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 [2023-11-12 00:50:10,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:50:10,962 INFO L262 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-12 00:50:10,970 INFO L285 TraceCheckSpWp]: Computing forward predicates...