./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-50.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_ec56964a-e2e4-46d9-ba85-6ea6f5b959cb/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec56964a-e2e4-46d9-ba85-6ea6f5b959cb/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_ec56964a-e2e4-46d9-ba85-6ea6f5b959cb/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec56964a-e2e4-46d9-ba85-6ea6f5b959cb/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-50.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec56964a-e2e4-46d9-ba85-6ea6f5b959cb/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_ec56964a-e2e4-46d9-ba85-6ea6f5b959cb/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 a6ea67ec5141ba30c704987a9668199f8d55bb535d4080241ca9c1a7de14e100 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:53:38,583 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:53:38,671 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec56964a-e2e4-46d9-ba85-6ea6f5b959cb/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-12 00:53:38,677 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:53:38,677 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:53:38,702 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:53:38,702 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:53:38,703 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:53:38,704 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:53:38,704 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:53:38,705 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:53:38,706 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:53:38,706 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:53:38,707 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:53:38,707 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:53:38,708 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:53:38,708 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:53:38,709 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:53:38,709 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:53:38,710 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:53:38,710 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:53:38,711 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:53:38,712 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:53:38,712 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:53:38,712 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:53:38,713 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:53:38,713 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:53:38,714 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:53:38,714 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:53:38,715 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:53:38,715 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:53:38,715 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:53:38,716 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:53:38,716 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:53:38,717 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:53:38,717 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:53:38,717 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:53:38,718 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:53:38,718 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:53:38,719 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:53:38,719 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:53:38,720 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:53:38,720 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:53:38,720 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:53:38,721 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:53:38,721 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_ec56964a-e2e4-46d9-ba85-6ea6f5b959cb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec56964a-e2e4-46d9-ba85-6ea6f5b959cb/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a6ea67ec5141ba30c704987a9668199f8d55bb535d4080241ca9c1a7de14e100 [2023-11-12 00:53:39,006 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:53:39,039 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:53:39,041 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:53:39,043 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:53:39,043 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:53:39,046 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec56964a-e2e4-46d9-ba85-6ea6f5b959cb/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-50.i [2023-11-12 00:53:42,111 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:53:42,346 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:53:42,347 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec56964a-e2e4-46d9-ba85-6ea6f5b959cb/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-50.i [2023-11-12 00:53:42,355 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec56964a-e2e4-46d9-ba85-6ea6f5b959cb/bin/utaipan-verify-NcY6lQBIFX/data/979a3a8e6/32e31a2d8cb04693970addcc40ef303a/FLAG00f457836 [2023-11-12 00:53:42,369 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec56964a-e2e4-46d9-ba85-6ea6f5b959cb/bin/utaipan-verify-NcY6lQBIFX/data/979a3a8e6/32e31a2d8cb04693970addcc40ef303a [2023-11-12 00:53:42,372 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:53:42,373 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:53:42,374 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:53:42,374 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:53:42,380 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:53:42,381 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:53:42" (1/1) ... [2023-11-12 00:53:42,383 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@142bbb4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:42, skipping insertion in model container [2023-11-12 00:53:42,383 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:53:42" (1/1) ... [2023-11-12 00:53:42,417 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:53:42,567 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_ec56964a-e2e4-46d9-ba85-6ea6f5b959cb/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-50.i[913,926] [2023-11-12 00:53:42,621 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:53:42,639 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:53:42,653 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_ec56964a-e2e4-46d9-ba85-6ea6f5b959cb/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-50.i[913,926] [2023-11-12 00:53:42,697 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:53:42,715 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:53:42,715 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:42 WrapperNode [2023-11-12 00:53:42,716 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:53:42,717 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:53:42,717 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:53:42,717 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:53:42,726 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:42" (1/1) ... [2023-11-12 00:53:42,736 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:42" (1/1) ... [2023-11-12 00:53:42,769 INFO L138 Inliner]: procedures = 26, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 151 [2023-11-12 00:53:42,770 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:53:42,770 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:53:42,770 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:53:42,771 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:53:42,781 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:42" (1/1) ... [2023-11-12 00:53:42,782 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:42" (1/1) ... [2023-11-12 00:53:42,790 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:42" (1/1) ... [2023-11-12 00:53:42,791 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:42" (1/1) ... [2023-11-12 00:53:42,799 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:42" (1/1) ... [2023-11-12 00:53:42,803 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:42" (1/1) ... [2023-11-12 00:53:42,805 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:42" (1/1) ... [2023-11-12 00:53:42,807 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:42" (1/1) ... [2023-11-12 00:53:42,811 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:53:42,812 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:53:42,812 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:53:42,812 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:53:42,813 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:42" (1/1) ... [2023-11-12 00:53:42,843 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:53:42,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec56964a-e2e4-46d9-ba85-6ea6f5b959cb/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:53:42,875 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec56964a-e2e4-46d9-ba85-6ea6f5b959cb/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:53:42,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec56964a-e2e4-46d9-ba85-6ea6f5b959cb/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:53:42,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:53:42,921 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:53:42,921 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:53:42,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:53:42,922 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:53:42,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:53:43,061 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:53:43,063 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:53:43,335 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:53:43,554 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:53:43,554 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:53:43,557 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:53:43 BoogieIcfgContainer [2023-11-12 00:53:43,557 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:53:43,560 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:53:43,560 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:53:43,563 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:53:43,564 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:53:42" (1/3) ... [2023-11-12 00:53:43,565 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a41f5ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:53:43, skipping insertion in model container [2023-11-12 00:53:43,565 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:42" (2/3) ... [2023-11-12 00:53:43,566 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a41f5ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:53:43, skipping insertion in model container [2023-11-12 00:53:43,566 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:53:43" (3/3) ... [2023-11-12 00:53:43,568 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-50.i [2023-11-12 00:53:43,585 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:53:43,586 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:53:43,632 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:53:43,639 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;@74416fe1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:53:43,640 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:53:43,644 INFO L276 IsEmpty]: Start isEmpty. Operand has 50 states, 21 states have (on average 1.1428571428571428) internal successors, (24), 22 states have internal predecessors, (24), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-12 00:53:43,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-11-12 00:53:43,658 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:53:43,659 INFO L195 NwaCegarLoop]: trace histogram [26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:53:43,660 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:53:43,669 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:53:43,670 INFO L85 PathProgramCache]: Analyzing trace with hash -1294069335, now seen corresponding path program 1 times [2023-11-12 00:53:43,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:53:43,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476289893] [2023-11-12 00:53:43,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:53:43,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:53:44,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:53:44,230 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 00:53:44,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:53:44,466 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-12 00:53:44,468 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-12 00:53:44,469 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-12 00:53:44,472 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 00:53:44,477 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-12 00:53:44,482 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 00:53:44,571 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 12:53:44 BoogieIcfgContainer [2023-11-12 00:53:44,571 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 00:53:44,572 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 00:53:44,572 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 00:53:44,572 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 00:53:44,573 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:53:43" (3/4) ... [2023-11-12 00:53:44,575 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-12 00:53:44,576 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 00:53:44,578 INFO L158 Benchmark]: Toolchain (without parser) took 2204.42ms. Allocated memory was 132.1MB in the beginning and 159.4MB in the end (delta: 27.3MB). Free memory was 94.6MB in the beginning and 116.1MB in the end (delta: -21.6MB). Peak memory consumption was 4.1MB. Max. memory is 16.1GB. [2023-11-12 00:53:44,578 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 107.0MB. Free memory is still 80.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:53:44,579 INFO L158 Benchmark]: CACSL2BoogieTranslator took 341.88ms. Allocated memory is still 132.1MB. Free memory was 94.3MB in the beginning and 81.5MB in the end (delta: 12.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-12 00:53:44,580 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.81ms. Allocated memory is still 132.1MB. Free memory was 81.3MB in the beginning and 78.9MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:53:44,581 INFO L158 Benchmark]: Boogie Preprocessor took 40.70ms. Allocated memory is still 132.1MB. Free memory was 78.7MB in the beginning and 77.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:53:44,581 INFO L158 Benchmark]: RCFGBuilder took 745.62ms. Allocated memory is still 132.1MB. Free memory was 77.1MB in the beginning and 79.3MB in the end (delta: -2.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-12 00:53:44,582 INFO L158 Benchmark]: TraceAbstraction took 1010.91ms. Allocated memory was 132.1MB in the beginning and 159.4MB in the end (delta: 27.3MB). Free memory was 78.8MB in the beginning and 116.1MB in the end (delta: -37.4MB). Peak memory consumption was 43.8MB. Max. memory is 16.1GB. [2023-11-12 00:53:44,583 INFO L158 Benchmark]: Witness Printer took 4.95ms. Allocated memory is still 159.4MB. Free memory is still 116.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:53:44,586 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 107.0MB. Free memory is still 80.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 341.88ms. Allocated memory is still 132.1MB. Free memory was 94.3MB in the beginning and 81.5MB in the end (delta: 12.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.81ms. Allocated memory is still 132.1MB. Free memory was 81.3MB in the beginning and 78.9MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.70ms. Allocated memory is still 132.1MB. Free memory was 78.7MB in the beginning and 77.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 745.62ms. Allocated memory is still 132.1MB. Free memory was 77.1MB in the beginning and 79.3MB in the end (delta: -2.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1010.91ms. Allocated memory was 132.1MB in the beginning and 159.4MB in the end (delta: 27.3MB). Free memory was 78.8MB in the beginning and 116.1MB in the end (delta: -37.4MB). Peak memory consumption was 43.8MB. Max. memory is 16.1GB. * Witness Printer took 4.95ms. Allocated memory is still 159.4MB. Free memory is still 116.1MB. 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 someBinaryDOUBLEComparisonOperation at line 60. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 1; [L23] double var_1_2 = 8.875; [L24] double var_1_3 = 63.5; [L25] double var_1_4 = 16.6; [L26] double var_1_5 = 127.8; [L27] unsigned char var_1_9 = 1; [L28] unsigned char var_1_10 = 0; [L29] unsigned char var_1_11 = 0; [L30] signed short int var_1_12 = -2; [L31] signed short int var_1_13 = 64; [L32] signed short int var_1_14 = 2; [L33] signed short int var_1_15 = 4; [L34] signed short int var_1_16 = 26204; [L35] signed short int var_1_17 = 5; [L36] signed long int var_1_18 = -5; [L37] signed long int var_1_19 = 100; [L38] signed long int var_1_20 = 0; [L39] signed long int var_1_21 = 128; [L40] signed long int last_1_var_1_18 = -5; [L125] isInitial = 1 [L126] FCALL initially() [L127] COND TRUE 1 [L128] CALL updateLastVariables() [L118] last_1_var_1_18 = var_1_18 [L128] RET updateLastVariables() [L129] CALL updateVariables() [L75] var_1_2 = __VERIFIER_nondet_double() [L76] CALL assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=-5, var_1_10=0, var_1_11=0, var_1_12=-2, var_1_13=64, var_1_14=2, var_1_15=4, var_1_16=26204, var_1_17=5, var_1_18=-5, var_1_19=100, var_1_1=1, var_1_20=0, var_1_21=128, var_1_3=127/2, var_1_4=83/5, var_1_5=639/5, var_1_9=1] [L20] COND FALSE !(!cond) [L76] RET assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=-5, var_1_10=0, var_1_11=0, var_1_12=-2, var_1_13=64, var_1_14=2, var_1_15=4, var_1_16=26204, var_1_17=5, var_1_18=-5, var_1_19=100, var_1_1=1, var_1_20=0, var_1_21=128, var_1_3=127/2, var_1_4=83/5, var_1_5=639/5, var_1_9=1] [L77] var_1_3 = __VERIFIER_nondet_double() [L78] CALL assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=-5, var_1_10=0, var_1_11=0, var_1_12=-2, var_1_13=64, var_1_14=2, var_1_15=4, var_1_16=26204, var_1_17=5, var_1_18=-5, var_1_19=100, var_1_1=1, var_1_20=0, var_1_21=128, var_1_3=26210, var_1_4=83/5, var_1_5=639/5, var_1_9=1] [L20] COND FALSE !(!cond) [L78] RET assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=-5, var_1_10=0, var_1_11=0, var_1_12=-2, var_1_13=64, var_1_14=2, var_1_15=4, var_1_16=26204, var_1_17=5, var_1_18=-5, var_1_19=100, var_1_1=1, var_1_20=0, var_1_21=128, var_1_3=26210, var_1_4=83/5, var_1_5=639/5, var_1_9=1] [L79] var_1_4 = __VERIFIER_nondet_double() [L80] CALL assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=-5, var_1_10=0, var_1_11=0, var_1_12=-2, var_1_13=64, var_1_14=2, var_1_15=4, var_1_16=26204, var_1_17=5, var_1_18=-5, var_1_19=100, var_1_1=1, var_1_20=0, var_1_21=128, var_1_3=26210, var_1_4=26209, var_1_5=639/5, var_1_9=1] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=-5, var_1_10=0, var_1_11=0, var_1_12=-2, var_1_13=64, var_1_14=2, var_1_15=4, var_1_16=26204, var_1_17=5, var_1_18=-5, var_1_19=100, var_1_1=1, var_1_20=0, var_1_21=128, var_1_3=26210, var_1_4=26209, var_1_5=639/5, var_1_9=1] [L81] var_1_5 = __VERIFIER_nondet_double() [L82] CALL assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=-5, var_1_10=0, var_1_11=0, var_1_12=-2, var_1_13=64, var_1_14=2, var_1_15=4, var_1_16=26204, var_1_17=5, var_1_18=-5, var_1_19=100, var_1_1=1, var_1_20=0, var_1_21=128, var_1_3=26210, var_1_4=26209, var_1_5=26211, var_1_9=1] [L20] COND FALSE !(!cond) [L82] RET assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=-5, var_1_10=0, var_1_11=0, var_1_12=-2, var_1_13=64, var_1_14=2, var_1_15=4, var_1_16=26204, var_1_17=5, var_1_18=-5, var_1_19=100, var_1_1=1, var_1_20=0, var_1_21=128, var_1_3=26210, var_1_4=26209, var_1_5=26211, var_1_9=1] [L83] var_1_9 = __VERIFIER_nondet_uchar() [L84] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=-5, var_1_10=0, var_1_11=0, var_1_12=-2, var_1_13=64, var_1_14=2, var_1_15=4, var_1_16=26204, var_1_17=5, var_1_18=-5, var_1_19=100, var_1_1=1, var_1_20=0, var_1_21=128, var_1_3=26210, var_1_4=26209, var_1_5=26211, var_1_9=1] [L20] COND FALSE !(!cond) [L84] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_18=-5, var_1_10=0, var_1_11=0, var_1_12=-2, var_1_13=64, var_1_14=2, var_1_15=4, var_1_16=26204, var_1_17=5, var_1_18=-5, var_1_19=100, var_1_1=1, var_1_20=0, var_1_21=128, var_1_3=26210, var_1_4=26209, var_1_5=26211, var_1_9=1] [L85] CALL assume_abort_if_not(var_1_9 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=-5, var_1_10=0, var_1_11=0, var_1_12=-2, var_1_13=64, var_1_14=2, var_1_15=4, var_1_16=26204, var_1_17=5, var_1_18=-5, var_1_19=100, var_1_1=1, var_1_20=0, var_1_21=128, var_1_3=26210, var_1_4=26209, var_1_5=26211, var_1_9=1] [L20] COND FALSE !(!cond) [L85] RET assume_abort_if_not(var_1_9 <= 1) VAL [isInitial=1, last_1_var_1_18=-5, var_1_10=0, var_1_11=0, var_1_12=-2, var_1_13=64, var_1_14=2, var_1_15=4, var_1_16=26204, var_1_17=5, var_1_18=-5, var_1_19=100, var_1_1=1, var_1_20=0, var_1_21=128, var_1_3=26210, var_1_4=26209, var_1_5=26211, var_1_9=1] [L86] var_1_10 = __VERIFIER_nondet_uchar() [L87] CALL assume_abort_if_not(var_1_10 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=-5, var_1_10=1, var_1_11=0, var_1_12=-2, var_1_13=64, var_1_14=2, var_1_15=4, var_1_16=26204, var_1_17=5, var_1_18=-5, var_1_19=100, var_1_1=1, var_1_20=0, var_1_21=128, var_1_3=26210, var_1_4=26209, var_1_5=26211, var_1_9=1] [L20] COND FALSE !(!cond) [L87] RET assume_abort_if_not(var_1_10 >= 1) VAL [isInitial=1, last_1_var_1_18=-5, var_1_10=1, var_1_11=0, var_1_12=-2, var_1_13=64, var_1_14=2, var_1_15=4, var_1_16=26204, var_1_17=5, var_1_18=-5, var_1_19=100, var_1_1=1, var_1_20=0, var_1_21=128, var_1_3=26210, var_1_4=26209, var_1_5=26211, var_1_9=1] [L88] CALL assume_abort_if_not(var_1_10 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=-5, var_1_10=1, var_1_11=0, var_1_12=-2, var_1_13=64, var_1_14=2, var_1_15=4, var_1_16=26204, var_1_17=5, var_1_18=-5, var_1_19=100, var_1_1=1, var_1_20=0, var_1_21=128, var_1_3=26210, var_1_4=26209, var_1_5=26211, var_1_9=1] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not(var_1_10 <= 1) VAL [isInitial=1, last_1_var_1_18=-5, var_1_10=1, var_1_11=0, var_1_12=-2, var_1_13=64, var_1_14=2, var_1_15=4, var_1_16=26204, var_1_17=5, var_1_18=-5, var_1_19=100, var_1_1=1, var_1_20=0, var_1_21=128, var_1_3=26210, var_1_4=26209, var_1_5=26211, var_1_9=1] [L89] var_1_11 = __VERIFIER_nondet_uchar() [L90] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=-5, var_1_10=1, var_1_11=0, var_1_12=-2, var_1_13=64, var_1_14=2, var_1_15=4, var_1_16=26204, var_1_17=5, var_1_18=-5, var_1_19=100, var_1_1=1, var_1_20=0, var_1_21=128, var_1_3=26210, var_1_4=26209, var_1_5=26211, var_1_9=1] [L20] COND FALSE !(!cond) [L90] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_18=-5, var_1_10=1, var_1_11=0, var_1_12=-2, var_1_13=64, var_1_14=2, var_1_15=4, var_1_16=26204, var_1_17=5, var_1_18=-5, var_1_19=100, var_1_1=1, var_1_20=0, var_1_21=128, var_1_3=26210, var_1_4=26209, var_1_5=26211, var_1_9=1] [L91] CALL assume_abort_if_not(var_1_11 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=-5, var_1_10=1, var_1_11=0, var_1_12=-2, var_1_13=64, var_1_14=2, var_1_15=4, var_1_16=26204, var_1_17=5, var_1_18=-5, var_1_19=100, var_1_1=1, var_1_20=0, var_1_21=128, var_1_3=26210, var_1_4=26209, var_1_5=26211, var_1_9=1] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(var_1_11 <= 0) VAL [isInitial=1, last_1_var_1_18=-5, var_1_10=1, var_1_11=0, var_1_12=-2, var_1_13=64, var_1_14=2, var_1_15=4, var_1_16=26204, var_1_17=5, var_1_18=-5, var_1_19=100, var_1_1=1, var_1_20=0, var_1_21=128, var_1_3=26210, var_1_4=26209, var_1_5=26211, var_1_9=1] [L92] var_1_13 = __VERIFIER_nondet_short() [L93] CALL assume_abort_if_not(var_1_13 >= -32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=-5, var_1_10=1, var_1_11=0, var_1_12=-2, var_1_13=-6, var_1_14=2, var_1_15=4, var_1_16=26204, var_1_17=5, var_1_18=-5, var_1_19=100, var_1_1=1, var_1_20=0, var_1_21=128, var_1_3=26210, var_1_4=26209, var_1_5=26211, var_1_9=1] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not(var_1_13 >= -32767) VAL [isInitial=1, last_1_var_1_18=-5, var_1_10=1, var_1_11=0, var_1_12=-2, var_1_13=-6, var_1_14=2, var_1_15=4, var_1_16=26204, var_1_17=5, var_1_18=-5, var_1_19=100, var_1_1=1, var_1_20=0, var_1_21=128, var_1_3=26210, var_1_4=26209, var_1_5=26211, var_1_9=1] [L94] CALL assume_abort_if_not(var_1_13 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=-5, var_1_10=1, var_1_11=0, var_1_12=-2, var_1_13=-6, var_1_14=2, var_1_15=4, var_1_16=26204, var_1_17=5, var_1_18=-5, var_1_19=100, var_1_1=1, var_1_20=0, var_1_21=128, var_1_3=26210, var_1_4=26209, var_1_5=26211, var_1_9=1] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not(var_1_13 <= 32766) VAL [isInitial=1, last_1_var_1_18=-5, var_1_10=1, var_1_11=0, var_1_12=-2, var_1_13=-6, var_1_14=2, var_1_15=4, var_1_16=26204, var_1_17=5, var_1_18=-5, var_1_19=100, var_1_1=1, var_1_20=0, var_1_21=128, var_1_3=26210, var_1_4=26209, var_1_5=26211, var_1_9=1] [L95] var_1_14 = __VERIFIER_nondet_short() [L96] CALL assume_abort_if_not(var_1_14 >= -32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=-5, var_1_10=1, var_1_11=0, var_1_12=-2, var_1_13=-6, var_1_14=-7, var_1_15=4, var_1_16=26204, var_1_17=5, var_1_18=-5, var_1_19=100, var_1_1=1, var_1_20=0, var_1_21=128, var_1_3=26210, var_1_4=26209, var_1_5=26211, var_1_9=1] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not(var_1_14 >= -32767) VAL [isInitial=1, last_1_var_1_18=-5, var_1_10=1, var_1_11=0, var_1_12=-2, var_1_13=-6, var_1_14=-7, var_1_15=4, var_1_16=26204, var_1_17=5, var_1_18=-5, var_1_19=100, var_1_1=1, var_1_20=0, var_1_21=128, var_1_3=26210, var_1_4=26209, var_1_5=26211, var_1_9=1] [L97] CALL assume_abort_if_not(var_1_14 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=-5, var_1_10=1, var_1_11=0, var_1_12=-2, var_1_13=-6, var_1_14=-7, var_1_15=4, var_1_16=26204, var_1_17=5, var_1_18=-5, var_1_19=100, var_1_1=1, var_1_20=0, var_1_21=128, var_1_3=26210, var_1_4=26209, var_1_5=26211, var_1_9=1] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not(var_1_14 <= 32766) VAL [isInitial=1, last_1_var_1_18=-5, var_1_10=1, var_1_11=0, var_1_12=-2, var_1_13=-6, var_1_14=-7, var_1_15=4, var_1_16=26204, var_1_17=5, var_1_18=-5, var_1_19=100, var_1_1=1, var_1_20=0, var_1_21=128, var_1_3=26210, var_1_4=26209, var_1_5=26211, var_1_9=1] [L98] var_1_15 = __VERIFIER_nondet_short() [L99] CALL assume_abort_if_not(var_1_15 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=-5, var_1_10=1, var_1_11=0, var_1_12=-2, var_1_13=-6, var_1_14=-7, var_1_15=-1, var_1_16=26204, var_1_17=5, var_1_18=-5, var_1_19=100, var_1_1=1, var_1_20=0, var_1_21=128, var_1_3=26210, var_1_4=26209, var_1_5=26211, var_1_9=1] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not(var_1_15 >= -1) VAL [isInitial=1, last_1_var_1_18=-5, var_1_10=1, var_1_11=0, var_1_12=-2, var_1_13=-6, var_1_14=-7, var_1_15=-1, var_1_16=26204, var_1_17=5, var_1_18=-5, var_1_19=100, var_1_1=1, var_1_20=0, var_1_21=128, var_1_3=26210, var_1_4=26209, var_1_5=26211, var_1_9=1] [L100] CALL assume_abort_if_not(var_1_15 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=-5, var_1_10=1, var_1_11=0, var_1_12=-2, var_1_13=-6, var_1_14=-7, var_1_15=-1, var_1_16=26204, var_1_17=5, var_1_18=-5, var_1_19=100, var_1_1=1, var_1_20=0, var_1_21=128, var_1_3=26210, var_1_4=26209, var_1_5=26211, var_1_9=1] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(var_1_15 <= 32766) VAL [isInitial=1, last_1_var_1_18=-5, var_1_10=1, var_1_11=0, var_1_12=-2, var_1_13=-6, var_1_14=-7, var_1_15=-1, var_1_16=26204, var_1_17=5, var_1_18=-5, var_1_19=100, var_1_1=1, var_1_20=0, var_1_21=128, var_1_3=26210, var_1_4=26209, var_1_5=26211, var_1_9=1] [L101] var_1_16 = __VERIFIER_nondet_short() [L102] CALL assume_abort_if_not(var_1_16 >= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=-5, var_1_10=1, var_1_11=0, var_1_12=-2, var_1_13=-6, var_1_14=-7, var_1_15=-1, var_1_16=16383, var_1_17=5, var_1_18=-5, var_1_19=100, var_1_1=1, var_1_20=0, var_1_21=128, var_1_3=26210, var_1_4=26209, var_1_5=26211, var_1_9=1] [L20] COND FALSE !(!cond) [L102] RET assume_abort_if_not(var_1_16 >= 16383) VAL [isInitial=1, last_1_var_1_18=-5, var_1_10=1, var_1_11=0, var_1_12=-2, var_1_13=-6, var_1_14=-7, var_1_15=-1, var_1_16=16383, var_1_17=5, var_1_18=-5, var_1_19=100, var_1_1=1, var_1_20=0, var_1_21=128, var_1_3=26210, var_1_4=26209, var_1_5=26211, var_1_9=1] [L103] CALL assume_abort_if_not(var_1_16 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=-5, var_1_10=1, var_1_11=0, var_1_12=-2, var_1_13=-6, var_1_14=-7, var_1_15=-1, var_1_16=16383, var_1_17=5, var_1_18=-5, var_1_19=100, var_1_1=1, var_1_20=0, var_1_21=128, var_1_3=26210, var_1_4=26209, var_1_5=26211, var_1_9=1] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not(var_1_16 <= 32766) VAL [isInitial=1, last_1_var_1_18=-5, var_1_10=1, var_1_11=0, var_1_12=-2, var_1_13=-6, var_1_14=-7, var_1_15=-1, var_1_16=16383, var_1_17=5, var_1_18=-5, var_1_19=100, var_1_1=1, var_1_20=0, var_1_21=128, var_1_3=26210, var_1_4=26209, var_1_5=26211, var_1_9=1] [L104] var_1_17 = __VERIFIER_nondet_short() [L105] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=-5, var_1_10=1, var_1_11=0, var_1_12=-2, var_1_13=-6, var_1_14=-7, var_1_15=-1, var_1_16=16383, var_1_17=4, var_1_18=-5, var_1_19=100, var_1_1=1, var_1_20=0, var_1_21=128, var_1_3=26210, var_1_4=26209, var_1_5=26211, var_1_9=1] [L20] COND FALSE !(!cond) [L105] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, last_1_var_1_18=-5, var_1_10=1, var_1_11=0, var_1_12=-2, var_1_13=-6, var_1_14=-7, var_1_15=-1, var_1_16=16383, var_1_17=4, var_1_18=-5, var_1_19=100, var_1_1=1, var_1_20=0, var_1_21=128, var_1_3=26210, var_1_4=26209, var_1_5=26211, var_1_9=1] [L106] CALL assume_abort_if_not(var_1_17 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=-5, var_1_10=1, var_1_11=0, var_1_12=-2, var_1_13=-6, var_1_14=-7, var_1_15=-1, var_1_16=16383, var_1_17=4, var_1_18=-5, var_1_19=100, var_1_1=1, var_1_20=0, var_1_21=128, var_1_3=26210, var_1_4=26209, var_1_5=26211, var_1_9=1] [L20] COND FALSE !(!cond) [L106] RET assume_abort_if_not(var_1_17 <= 16383) VAL [isInitial=1, last_1_var_1_18=-5, var_1_10=1, var_1_11=0, var_1_12=-2, var_1_13=-6, var_1_14=-7, var_1_15=-1, var_1_16=16383, var_1_17=4, var_1_18=-5, var_1_19=100, var_1_1=1, var_1_20=0, var_1_21=128, var_1_3=26210, var_1_4=26209, var_1_5=26211, var_1_9=1] [L107] var_1_19 = __VERIFIER_nondet_long() [L108] CALL assume_abort_if_not(var_1_19 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=-5, var_1_10=1, var_1_11=0, var_1_12=-2, var_1_13=-6, var_1_14=-7, var_1_15=-1, var_1_16=16383, var_1_17=4, var_1_18=-5, var_1_19=6, var_1_1=1, var_1_20=0, var_1_21=128, var_1_3=26210, var_1_4=26209, var_1_5=26211, var_1_9=1] [L20] COND FALSE !(!cond) [L108] RET assume_abort_if_not(var_1_19 >= 0) VAL [isInitial=1, last_1_var_1_18=-5, var_1_10=1, var_1_11=0, var_1_12=-2, var_1_13=-6, var_1_14=-7, var_1_15=-1, var_1_16=16383, var_1_17=4, var_1_18=-5, var_1_19=6, var_1_1=1, var_1_20=0, var_1_21=128, var_1_3=26210, var_1_4=26209, var_1_5=26211, var_1_9=1] [L109] CALL assume_abort_if_not(var_1_19 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=-5, var_1_10=1, var_1_11=0, var_1_12=-2, var_1_13=-6, var_1_14=-7, var_1_15=-1, var_1_16=16383, var_1_17=4, var_1_18=-5, var_1_19=6, var_1_1=1, var_1_20=0, var_1_21=128, var_1_3=26210, var_1_4=26209, var_1_5=26211, var_1_9=1] [L20] COND FALSE !(!cond) [L109] RET assume_abort_if_not(var_1_19 <= 2147483647) VAL [isInitial=1, last_1_var_1_18=-5, var_1_10=1, var_1_11=0, var_1_12=-2, var_1_13=-6, var_1_14=-7, var_1_15=-1, var_1_16=16383, var_1_17=4, var_1_18=-5, var_1_19=6, var_1_1=1, var_1_20=0, var_1_21=128, var_1_3=26210, var_1_4=26209, var_1_5=26211, var_1_9=1] [L110] var_1_20 = __VERIFIER_nondet_long() [L111] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=-5, var_1_10=1, var_1_11=0, var_1_12=-2, var_1_13=-6, var_1_14=-7, var_1_15=-1, var_1_16=16383, var_1_17=4, var_1_18=-5, var_1_19=6, var_1_1=1, var_1_20=0, var_1_21=128, var_1_3=26210, var_1_4=26209, var_1_5=26211, var_1_9=1] [L20] COND FALSE !(!cond) [L111] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, last_1_var_1_18=-5, var_1_10=1, var_1_11=0, var_1_12=-2, var_1_13=-6, var_1_14=-7, var_1_15=-1, var_1_16=16383, var_1_17=4, var_1_18=-5, var_1_19=6, var_1_1=1, var_1_20=0, var_1_21=128, var_1_3=26210, var_1_4=26209, var_1_5=26211, var_1_9=1] [L112] CALL assume_abort_if_not(var_1_20 <= 536870911) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=-5, var_1_10=1, var_1_11=0, var_1_12=-2, var_1_13=-6, var_1_14=-7, var_1_15=-1, var_1_16=16383, var_1_17=4, var_1_18=-5, var_1_19=6, var_1_1=1, var_1_20=0, var_1_21=128, var_1_3=26210, var_1_4=26209, var_1_5=26211, var_1_9=1] [L20] COND FALSE !(!cond) [L112] RET assume_abort_if_not(var_1_20 <= 536870911) VAL [isInitial=1, last_1_var_1_18=-5, var_1_10=1, var_1_11=0, var_1_12=-2, var_1_13=-6, var_1_14=-7, var_1_15=-1, var_1_16=16383, var_1_17=4, var_1_18=-5, var_1_19=6, var_1_1=1, var_1_20=0, var_1_21=128, var_1_3=26210, var_1_4=26209, var_1_5=26211, var_1_9=1] [L113] var_1_21 = __VERIFIER_nondet_long() [L114] CALL assume_abort_if_not(var_1_21 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=-5, var_1_10=1, var_1_11=0, var_1_12=-2, var_1_13=-6, var_1_14=-7, var_1_15=-1, var_1_16=16383, var_1_17=4, var_1_18=-5, var_1_19=6, var_1_1=1, var_1_20=0, var_1_21=16392, var_1_3=26210, var_1_4=26209, var_1_5=26211, var_1_9=1] [L20] COND FALSE !(!cond) [L114] RET assume_abort_if_not(var_1_21 >= 0) VAL [isInitial=1, last_1_var_1_18=-5, var_1_10=1, var_1_11=0, var_1_12=-2, var_1_13=-6, var_1_14=-7, var_1_15=-1, var_1_16=16383, var_1_17=4, var_1_18=-5, var_1_19=6, var_1_1=1, var_1_20=0, var_1_21=16392, var_1_3=26210, var_1_4=26209, var_1_5=26211, var_1_9=1] [L115] CALL assume_abort_if_not(var_1_21 <= 2147483646) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=-5, var_1_10=1, var_1_11=0, var_1_12=-2, var_1_13=-6, var_1_14=-7, var_1_15=-1, var_1_16=16383, var_1_17=4, var_1_18=-5, var_1_19=6, var_1_1=1, var_1_20=0, var_1_21=16392, var_1_3=26210, var_1_4=26209, var_1_5=26211, var_1_9=1] [L20] COND FALSE !(!cond) [L115] RET assume_abort_if_not(var_1_21 <= 2147483646) VAL [isInitial=1, last_1_var_1_18=-5, var_1_10=1, var_1_11=0, var_1_12=-2, var_1_13=-6, var_1_14=-7, var_1_15=-1, var_1_16=16383, var_1_17=4, var_1_18=-5, var_1_19=6, var_1_1=1, var_1_20=0, var_1_21=16392, var_1_3=26210, var_1_4=26209, var_1_5=26211, var_1_9=1] [L129] RET updateVariables() [L130] CALL step() [L44] signed long int stepLocal_1 = last_1_var_1_18; [L45] COND FALSE !(stepLocal_1 >= 0) [L48] var_1_12 = ((((var_1_13) > ((var_1_15 - (var_1_16 - var_1_17)))) ? (var_1_13) : ((var_1_15 - (var_1_16 - var_1_17))))) [L50] signed long int stepLocal_3 = var_1_15 - var_1_19; [L51] signed short int stepLocal_2 = var_1_12; [L52] COND TRUE var_1_12 > stepLocal_3 [L53] COND FALSE !(var_1_13 < stepLocal_2) [L59] signed long int stepLocal_0 = (((var_1_12) > (var_1_18)) ? (var_1_12) : (var_1_18)); [L60] COND FALSE !((((((var_1_2 + var_1_3)) < ((var_1_4 - var_1_5))) ? ((var_1_2 + var_1_3)) : ((var_1_4 - var_1_5)))) != 31.9) [L71] var_1_1 = var_1_11 [L130] RET step() [L131] CALL, EXPR property() [L121-L122] return ((((((((var_1_2 + var_1_3)) < ((var_1_4 - var_1_5))) ? ((var_1_2 + var_1_3)) : ((var_1_4 - var_1_5)))) != 31.9) ? ((((((var_1_12) > (var_1_18)) ? (var_1_12) : (var_1_18))) < var_1_18) ? (var_1_9 ? (var_1_1 == ((unsigned char) var_1_10)) : (var_1_1 == ((unsigned char) var_1_10))) : (var_1_1 == ((unsigned char) var_1_10))) : (var_1_1 == ((unsigned char) var_1_11))) && ((last_1_var_1_18 >= 0) ? (var_1_12 == ((signed short int) ((((var_1_13) > (var_1_14)) ? (var_1_13) : (var_1_14))))) : (var_1_12 == ((signed short int) ((((var_1_13) > ((var_1_15 - (var_1_16 - var_1_17)))) ? (var_1_13) : ((var_1_15 - (var_1_16 - var_1_17))))))))) && ((var_1_12 > (var_1_15 - var_1_19)) ? ((var_1_13 < var_1_12) ? (var_1_18 == ((signed long int) ((var_1_17 + (var_1_16 + var_1_20)) - var_1_21))) : 1) : (var_1_18 == ((signed long int) var_1_14))) ; [L131] RET, EXPR property() [L131] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_18=-5, var_1_10=1, var_1_11=0, var_1_12=-6, var_1_13=-6, var_1_14=-7, var_1_15=-1, var_1_16=16383, var_1_17=4, var_1_18=-5, var_1_19=6, var_1_1=0, var_1_20=0, var_1_21=16392, var_1_3=26210, var_1_4=26209, var_1_5=26211, var_1_9=1] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_18=-5, var_1_10=1, var_1_11=0, var_1_12=-6, var_1_13=-6, var_1_14=-7, var_1_15=-1, var_1_16=16383, var_1_17=4, var_1_18=-5, var_1_19=6, var_1_1=0, var_1_20=0, var_1_21=16392, var_1_3=26210, var_1_4=26209, var_1_5=26211, var_1_9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 50 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 1, TraceHistogramMax: 26, 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=50occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 97 NumberOfCodeBlocks, 97 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 00:53:44,624 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec56964a-e2e4-46d9-ba85-6ea6f5b959cb/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_ec56964a-e2e4-46d9-ba85-6ea6f5b959cb/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec56964a-e2e4-46d9-ba85-6ea6f5b959cb/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_ec56964a-e2e4-46d9-ba85-6ea6f5b959cb/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec56964a-e2e4-46d9-ba85-6ea6f5b959cb/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-50.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec56964a-e2e4-46d9-ba85-6ea6f5b959cb/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_ec56964a-e2e4-46d9-ba85-6ea6f5b959cb/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 a6ea67ec5141ba30c704987a9668199f8d55bb535d4080241ca9c1a7de14e100 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:53:47,288 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:53:47,369 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec56964a-e2e4-46d9-ba85-6ea6f5b959cb/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-12 00:53:47,381 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:53:47,382 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:53:47,427 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:53:47,428 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:53:47,428 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:53:47,429 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:53:47,434 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:53:47,435 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:53:47,435 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:53:47,436 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:53:47,438 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:53:47,438 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:53:47,438 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:53:47,440 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:53:47,440 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:53:47,441 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:53:47,442 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:53:47,442 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:53:47,443 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:53:47,443 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:53:47,444 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:53:47,444 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 00:53:47,444 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 00:53:47,445 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 00:53:47,445 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:53:47,445 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:53:47,446 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:53:47,447 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:53:47,448 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 00:53:47,448 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:53:47,448 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:53:47,449 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:53:47,449 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:53:47,449 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:53:47,449 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-12 00:53:47,449 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 00:53:47,451 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:53:47,451 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:53:47,451 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:53:47,451 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_ec56964a-e2e4-46d9-ba85-6ea6f5b959cb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec56964a-e2e4-46d9-ba85-6ea6f5b959cb/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a6ea67ec5141ba30c704987a9668199f8d55bb535d4080241ca9c1a7de14e100 [2023-11-12 00:53:47,840 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:53:47,862 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:53:47,864 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:53:47,866 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:53:47,866 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:53:47,868 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec56964a-e2e4-46d9-ba85-6ea6f5b959cb/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-50.i [2023-11-12 00:53:51,039 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:53:51,321 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:53:51,321 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec56964a-e2e4-46d9-ba85-6ea6f5b959cb/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-50.i [2023-11-12 00:53:51,337 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec56964a-e2e4-46d9-ba85-6ea6f5b959cb/bin/utaipan-verify-NcY6lQBIFX/data/33da04de7/8976ed29d76b4e18b5a770711761e394/FLAGdaf92765d [2023-11-12 00:53:51,356 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec56964a-e2e4-46d9-ba85-6ea6f5b959cb/bin/utaipan-verify-NcY6lQBIFX/data/33da04de7/8976ed29d76b4e18b5a770711761e394 [2023-11-12 00:53:51,358 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:53:51,359 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:53:51,363 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:53:51,363 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:53:51,371 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:53:51,372 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:53:51" (1/1) ... [2023-11-12 00:53:51,374 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@579390d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:51, skipping insertion in model container [2023-11-12 00:53:51,374 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:53:51" (1/1) ... [2023-11-12 00:53:51,403 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:53:51,604 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_ec56964a-e2e4-46d9-ba85-6ea6f5b959cb/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-50.i[913,926] [2023-11-12 00:53:51,721 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:53:51,747 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:53:51,764 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_ec56964a-e2e4-46d9-ba85-6ea6f5b959cb/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-50.i[913,926] [2023-11-12 00:53:51,846 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:53:51,877 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:53:51,878 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:51 WrapperNode [2023-11-12 00:53:51,878 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:53:51,879 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:53:51,880 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:53:51,881 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:53:51,888 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:51" (1/1) ... [2023-11-12 00:53:51,915 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:51" (1/1) ... [2023-11-12 00:53:51,966 INFO L138 Inliner]: procedures = 27, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 143 [2023-11-12 00:53:51,969 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:53:51,970 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:53:51,970 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:53:51,970 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:53:51,980 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:51" (1/1) ... [2023-11-12 00:53:51,981 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:51" (1/1) ... [2023-11-12 00:53:52,003 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:51" (1/1) ... [2023-11-12 00:53:52,004 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:51" (1/1) ... [2023-11-12 00:53:52,014 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:51" (1/1) ... [2023-11-12 00:53:52,030 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:51" (1/1) ... [2023-11-12 00:53:52,037 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:51" (1/1) ... [2023-11-12 00:53:52,039 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:51" (1/1) ... [2023-11-12 00:53:52,053 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:53:52,054 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:53:52,055 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:53:52,055 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:53:52,056 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:51" (1/1) ... [2023-11-12 00:53:52,068 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:53:52,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec56964a-e2e4-46d9-ba85-6ea6f5b959cb/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:53:52,099 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec56964a-e2e4-46d9-ba85-6ea6f5b959cb/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:53:52,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec56964a-e2e4-46d9-ba85-6ea6f5b959cb/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:53:52,155 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:53:52,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 00:53:52,156 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:53:52,157 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:53:52,158 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:53:52,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:53:52,284 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:53:52,286 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:53:54,452 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:53:54,459 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:53:54,460 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:53:54,462 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:53:54 BoogieIcfgContainer [2023-11-12 00:53:54,462 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:53:54,465 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:53:54,465 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:53:54,468 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:53:54,469 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:53:51" (1/3) ... [2023-11-12 00:53:54,469 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@297ffb5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:53:54, skipping insertion in model container [2023-11-12 00:53:54,470 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:51" (2/3) ... [2023-11-12 00:53:54,470 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@297ffb5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:53:54, skipping insertion in model container [2023-11-12 00:53:54,470 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:53:54" (3/3) ... [2023-11-12 00:53:54,472 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-50.i [2023-11-12 00:53:54,493 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:53:54,493 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:53:54,547 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:53:54,554 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;@13401258, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:53:54,555 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:53:54,559 INFO L276 IsEmpty]: Start isEmpty. Operand has 68 states, 39 states have (on average 1.2820512820512822) internal successors, (50), 40 states have internal predecessors, (50), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-12 00:53:54,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2023-11-12 00:53:54,575 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:53:54,576 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:53:54,577 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:53:54,582 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:53:54,583 INFO L85 PathProgramCache]: Analyzing trace with hash 1557490889, now seen corresponding path program 1 times [2023-11-12 00:53:54,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:53:54,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [574300618] [2023-11-12 00:53:54,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:53:54,600 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 00:53:54,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec56964a-e2e4-46d9-ba85-6ea6f5b959cb/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:53:54,607 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec56964a-e2e4-46d9-ba85-6ea6f5b959cb/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 00:53:54,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec56964a-e2e4-46d9-ba85-6ea6f5b959cb/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 00:53:55,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:53:55,107 INFO L262 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-12 00:53:55,121 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:53:55,209 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 314 proven. 0 refuted. 0 times theorem prover too weak. 986 trivial. 0 not checked. [2023-11-12 00:53:55,210 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:53:55,211 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:53:55,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [574300618] [2023-11-12 00:53:55,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [574300618] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:53:55,212 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:53:55,212 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 00:53:55,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046169404] [2023-11-12 00:53:55,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:53:55,221 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 00:53:55,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:53:55,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 00:53:55,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 00:53:55,253 INFO L87 Difference]: Start difference. First operand has 68 states, 39 states have (on average 1.2820512820512822) internal successors, (50), 40 states have internal predecessors, (50), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-11-12 00:53:55,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:53:55,293 INFO L93 Difference]: Finished difference Result 129 states and 224 transitions. [2023-11-12 00:53:55,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 00:53:55,297 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 159 [2023-11-12 00:53:55,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:53:55,306 INFO L225 Difference]: With dead ends: 129 [2023-11-12 00:53:55,306 INFO L226 Difference]: Without dead ends: 64 [2023-11-12 00:53:55,310 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 158 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 00:53:55,314 INFO L413 NwaCegarLoop]: 95 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, 95 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 00:53:55,315 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 00:53:55,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2023-11-12 00:53:55,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2023-11-12 00:53:55,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 36 states have (on average 1.1944444444444444) internal successors, (43), 36 states have internal predecessors, (43), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-12 00:53:55,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 95 transitions. [2023-11-12 00:53:55,368 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 95 transitions. Word has length 159 [2023-11-12 00:53:55,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:53:55,369 INFO L495 AbstractCegarLoop]: Abstraction has 64 states and 95 transitions. [2023-11-12 00:53:55,369 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-11-12 00:53:55,370 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 95 transitions. [2023-11-12 00:53:55,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2023-11-12 00:53:55,374 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:53:55,374 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:53:55,393 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec56964a-e2e4-46d9-ba85-6ea6f5b959cb/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)] Forceful destruction successful, exit code 0 [2023-11-12 00:53:55,587 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec56964a-e2e4-46d9-ba85-6ea6f5b959cb/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 00:53:55,588 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:53:55,588 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:53:55,589 INFO L85 PathProgramCache]: Analyzing trace with hash 1240531969, now seen corresponding path program 1 times [2023-11-12 00:53:55,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:53:55,590 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1258817612] [2023-11-12 00:53:55,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:53:55,590 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 00:53:55,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec56964a-e2e4-46d9-ba85-6ea6f5b959cb/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:53:55,593 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec56964a-e2e4-46d9-ba85-6ea6f5b959cb/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 00:53:55,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec56964a-e2e4-46d9-ba85-6ea6f5b959cb/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 00:53:55,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:53:56,009 INFO L262 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-12 00:53:56,019 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:53:56,740 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-12 00:53:56,740 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:53:56,741 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:53:56,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1258817612] [2023-11-12 00:53:56,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1258817612] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:53:56,743 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:53:56,743 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 00:53:56,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1597863924] [2023-11-12 00:53:56,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:53:56,748 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-12 00:53:56,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:53:56,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-12 00:53:56,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-12 00:53:56,753 INFO L87 Difference]: Start difference. First operand 64 states and 95 transitions. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-12 00:53:58,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:53:58,860 INFO L93 Difference]: Finished difference Result 197 states and 293 transitions. [2023-11-12 00:53:58,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-12 00:53:58,875 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 159 [2023-11-12 00:53:58,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:53:58,879 INFO L225 Difference]: With dead ends: 197 [2023-11-12 00:53:58,879 INFO L226 Difference]: Without dead ends: 136 [2023-11-12 00:53:58,881 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-12 00:53:58,882 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 72 mSDsluCounter, 269 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 369 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2023-11-12 00:53:58,883 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 369 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2023-11-12 00:53:58,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2023-11-12 00:53:58,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 123. [2023-11-12 00:53:58,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 68 states have (on average 1.1911764705882353) internal successors, (81), 68 states have internal predecessors, (81), 52 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2023-11-12 00:53:58,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 185 transitions. [2023-11-12 00:53:58,923 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 185 transitions. Word has length 159 [2023-11-12 00:53:58,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:53:58,925 INFO L495 AbstractCegarLoop]: Abstraction has 123 states and 185 transitions. [2023-11-12 00:53:58,925 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-12 00:53:58,925 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 185 transitions. [2023-11-12 00:53:58,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2023-11-12 00:53:58,929 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:53:58,929 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:53:58,951 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec56964a-e2e4-46d9-ba85-6ea6f5b959cb/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 00:53:59,143 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec56964a-e2e4-46d9-ba85-6ea6f5b959cb/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 00:53:59,144 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:53:59,144 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:53:59,144 INFO L85 PathProgramCache]: Analyzing trace with hash 1920590339, now seen corresponding path program 1 times [2023-11-12 00:53:59,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:53:59,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1792124889] [2023-11-12 00:53:59,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:53:59,146 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 00:53:59,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec56964a-e2e4-46d9-ba85-6ea6f5b959cb/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:53:59,147 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec56964a-e2e4-46d9-ba85-6ea6f5b959cb/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 00:53:59,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec56964a-e2e4-46d9-ba85-6ea6f5b959cb/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 00:53:59,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:53:59,620 INFO L262 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-12 00:53:59,630 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:54:35,305 WARN L293 SmtUtils]: Spent 10.13s on a formula simplification that was a NOOP. DAG size: 57 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)