./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-84.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_84422ad1-120e-4647-a240-9e5df350a4f9/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84422ad1-120e-4647-a240-9e5df350a4f9/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_84422ad1-120e-4647-a240-9e5df350a4f9/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84422ad1-120e-4647-a240-9e5df350a4f9/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-84.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84422ad1-120e-4647-a240-9e5df350a4f9/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_84422ad1-120e-4647-a240-9e5df350a4f9/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 925e9b76051eff442eff54c72fd139be6e9d1af6b77433b45103df887e08e16e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:51:08,732 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:51:08,869 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84422ad1-120e-4647-a240-9e5df350a4f9/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-12 00:51:08,873 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:51:08,874 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:51:08,902 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:51:08,903 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:51:08,903 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:51:08,904 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:51:08,905 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:51:08,905 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:51:08,906 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:51:08,907 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:51:08,907 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:51:08,908 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:51:08,908 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:51:08,909 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:51:08,910 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:51:08,910 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:51:08,911 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:51:08,912 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:51:08,912 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:51:08,913 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:51:08,914 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:51:08,914 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:51:08,915 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:51:08,915 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:51:08,916 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:51:08,916 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:51:08,917 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:51:08,917 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:51:08,917 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:51:08,918 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:51:08,918 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:51:08,919 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:51:08,919 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:51:08,920 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:51:08,920 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:51:08,921 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:51:08,921 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:51:08,922 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:51:08,922 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:51:08,923 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:51:08,923 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:51:08,923 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:51:08,924 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_84422ad1-120e-4647-a240-9e5df350a4f9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84422ad1-120e-4647-a240-9e5df350a4f9/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 925e9b76051eff442eff54c72fd139be6e9d1af6b77433b45103df887e08e16e [2023-11-12 00:51:09,182 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:51:09,205 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:51:09,208 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:51:09,209 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:51:09,210 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:51:09,212 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84422ad1-120e-4647-a240-9e5df350a4f9/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-84.i [2023-11-12 00:51:12,428 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:51:12,675 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:51:12,676 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84422ad1-120e-4647-a240-9e5df350a4f9/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-84.i [2023-11-12 00:51:12,686 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84422ad1-120e-4647-a240-9e5df350a4f9/bin/utaipan-verify-NcY6lQBIFX/data/8822ce5d4/79209fb72bbe43adb0235a50fee6d7dc/FLAGe971449d0 [2023-11-12 00:51:12,702 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84422ad1-120e-4647-a240-9e5df350a4f9/bin/utaipan-verify-NcY6lQBIFX/data/8822ce5d4/79209fb72bbe43adb0235a50fee6d7dc [2023-11-12 00:51:12,705 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:51:12,707 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:51:12,708 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:51:12,709 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:51:12,714 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:51:12,715 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:51:12" (1/1) ... [2023-11-12 00:51:12,716 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4da35052 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:51:12, skipping insertion in model container [2023-11-12 00:51:12,716 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:51:12" (1/1) ... [2023-11-12 00:51:12,748 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:51:12,906 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_84422ad1-120e-4647-a240-9e5df350a4f9/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-84.i[919,932] [2023-11-12 00:51:12,967 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:51:12,981 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:51:12,994 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_84422ad1-120e-4647-a240-9e5df350a4f9/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-84.i[919,932] [2023-11-12 00:51:13,024 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:51:13,042 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:51:13,042 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:51:13 WrapperNode [2023-11-12 00:51:13,042 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:51:13,043 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:51:13,044 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:51:13,044 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:51:13,051 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:51:13" (1/1) ... [2023-11-12 00:51:13,063 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:51:13" (1/1) ... [2023-11-12 00:51:13,104 INFO L138 Inliner]: procedures = 26, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 183 [2023-11-12 00:51:13,104 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:51:13,105 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:51:13,105 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:51:13,105 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:51:13,115 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:51:13" (1/1) ... [2023-11-12 00:51:13,115 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:51:13" (1/1) ... [2023-11-12 00:51:13,121 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:51:13" (1/1) ... [2023-11-12 00:51:13,122 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:51:13" (1/1) ... [2023-11-12 00:51:13,134 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:51:13" (1/1) ... [2023-11-12 00:51:13,138 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:51:13" (1/1) ... [2023-11-12 00:51:13,142 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:51:13" (1/1) ... [2023-11-12 00:51:13,144 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:51:13" (1/1) ... [2023-11-12 00:51:13,149 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:51:13,150 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:51:13,150 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:51:13,151 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:51:13,151 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:51:13" (1/1) ... [2023-11-12 00:51:13,159 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:51:13,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84422ad1-120e-4647-a240-9e5df350a4f9/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:51:13,219 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84422ad1-120e-4647-a240-9e5df350a4f9/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:51:13,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84422ad1-120e-4647-a240-9e5df350a4f9/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:51:13,265 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:51:13,265 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:51:13,265 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:51:13,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:51:13,266 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:51:13,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:51:13,386 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:51:13,389 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:51:13,900 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:51:14,294 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:51:14,295 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:51:14,298 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:51:14 BoogieIcfgContainer [2023-11-12 00:51:14,298 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:51:14,301 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:51:14,302 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:51:14,305 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:51:14,306 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:51:12" (1/3) ... [2023-11-12 00:51:14,307 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5be2833b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:51:14, skipping insertion in model container [2023-11-12 00:51:14,307 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:51:13" (2/3) ... [2023-11-12 00:51:14,309 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5be2833b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:51:14, skipping insertion in model container [2023-11-12 00:51:14,310 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:51:14" (3/3) ... [2023-11-12 00:51:14,313 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_dependencies_file-84.i [2023-11-12 00:51:14,337 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:51:14,337 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:51:14,397 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:51:14,404 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;@1bdb15bf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:51:14,405 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:51:14,409 INFO L276 IsEmpty]: Start isEmpty. Operand has 41 states, 16 states have (on average 1.1875) internal successors, (19), 17 states have internal predecessors, (19), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-12 00:51:14,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-11-12 00:51:14,420 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:51:14,421 INFO L195 NwaCegarLoop]: trace histogram [22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:51:14,422 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:51:14,428 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:51:14,429 INFO L85 PathProgramCache]: Analyzing trace with hash 1142293771, now seen corresponding path program 1 times [2023-11-12 00:51:14,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:51:14,439 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669132425] [2023-11-12 00:51:14,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:51:14,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:51:14,613 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 00:51:14,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1657035539] [2023-11-12 00:51:14,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:51:14,619 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:51:14,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84422ad1-120e-4647-a240-9e5df350a4f9/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:51:14,629 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84422ad1-120e-4647-a240-9e5df350a4f9/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 00:51:14,641 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84422ad1-120e-4647-a240-9e5df350a4f9/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-12 00:51:15,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:51:15,036 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 00:51:15,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:51:15,322 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-12 00:51:15,324 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-12 00:51:15,326 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-12 00:51:15,342 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84422ad1-120e-4647-a240-9e5df350a4f9/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-12 00:51:15,536 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84422ad1-120e-4647-a240-9e5df350a4f9/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-12 00:51:15,540 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-12 00:51:15,545 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 00:51:15,671 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 12:51:15 BoogieIcfgContainer [2023-11-12 00:51:15,671 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 00:51:15,672 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 00:51:15,672 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 00:51:15,673 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 00:51:15,673 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:51:14" (3/4) ... [2023-11-12 00:51:15,676 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-12 00:51:15,677 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 00:51:15,678 INFO L158 Benchmark]: Toolchain (without parser) took 2971.41ms. Allocated memory is still 190.8MB. Free memory was 141.9MB in the beginning and 83.4MB in the end (delta: 58.6MB). Peak memory consumption was 59.4MB. Max. memory is 16.1GB. [2023-11-12 00:51:15,679 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 140.5MB. Free memory is still 85.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:51:15,679 INFO L158 Benchmark]: CACSL2BoogieTranslator took 334.46ms. Allocated memory is still 190.8MB. Free memory was 141.2MB in the beginning and 127.2MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-12 00:51:15,680 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.95ms. Allocated memory is still 190.8MB. Free memory was 127.2MB in the beginning and 123.8MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:51:15,683 INFO L158 Benchmark]: Boogie Preprocessor took 44.42ms. Allocated memory is still 190.8MB. Free memory was 123.8MB in the beginning and 122.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:51:15,685 INFO L158 Benchmark]: RCFGBuilder took 1147.74ms. Allocated memory is still 190.8MB. Free memory was 121.7MB in the beginning and 127.4MB in the end (delta: -5.7MB). Peak memory consumption was 46.8MB. Max. memory is 16.1GB. [2023-11-12 00:51:15,686 INFO L158 Benchmark]: TraceAbstraction took 1370.21ms. Allocated memory is still 190.8MB. Free memory was 126.4MB in the beginning and 83.4MB in the end (delta: 43.0MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2023-11-12 00:51:15,689 INFO L158 Benchmark]: Witness Printer took 4.77ms. Allocated memory is still 190.8MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:51:15,695 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 140.5MB. Free memory is still 85.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 334.46ms. Allocated memory is still 190.8MB. Free memory was 141.2MB in the beginning and 127.2MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.95ms. Allocated memory is still 190.8MB. Free memory was 127.2MB in the beginning and 123.8MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.42ms. Allocated memory is still 190.8MB. Free memory was 123.8MB in the beginning and 122.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1147.74ms. Allocated memory is still 190.8MB. Free memory was 121.7MB in the beginning and 127.4MB in the end (delta: -5.7MB). Peak memory consumption was 46.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1370.21ms. Allocated memory is still 190.8MB. Free memory was 126.4MB in the beginning and 83.4MB in the end (delta: 43.0MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Witness Printer took 4.77ms. Allocated memory is still 190.8MB. Free memory is still 83.4MB. 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 115, overapproximation of bitwiseAnd at line 45. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed char var_1_1 = -10; [L23] signed char var_1_3 = -16; [L24] signed char var_1_4 = 50; [L25] signed char var_1_5 = 4; [L26] unsigned long int var_1_6 = 50; [L27] signed long int var_1_7 = -8; [L28] signed long int var_1_8 = -4; [L29] signed char var_1_9 = 50; [L30] unsigned char var_1_10 = 128; [L31] unsigned char var_1_11 = 5; [L32] unsigned long int var_1_12 = 10; [L33] signed char var_1_13 = 16; [L34] unsigned short int var_1_15 = 128; [L35] signed long int var_1_16 = 2; [L36] unsigned short int var_1_17 = 61498; [L37] unsigned long int var_1_18 = 1; [L38] unsigned char var_1_19 = 0; [L39] double var_1_20 = 4.9; [L40] double var_1_21 = 1.5; [L41] unsigned short int last_1_var_1_15 = 128; [L119] isInitial = 1 [L120] FCALL initially() [L121] COND TRUE 1 [L122] CALL updateLastVariables() [L112] last_1_var_1_15 = var_1_15 [L122] RET updateLastVariables() [L123] CALL updateVariables() [L78] var_1_3 = __VERIFIER_nondet_char() [L79] CALL assume_abort_if_not(var_1_3 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=128, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=1, var_1_4=50, var_1_5=4, var_1_6=50, var_1_7=-8, var_1_8=-4, var_1_9=50] [L20] COND FALSE !(!cond) [L79] RET assume_abort_if_not(var_1_3 >= -63) VAL [isInitial=1, last_1_var_1_15=128, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=1, var_1_4=50, var_1_5=4, var_1_6=50, var_1_7=-8, var_1_8=-4, var_1_9=50] [L80] CALL assume_abort_if_not(var_1_3 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=128, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=1, var_1_4=50, var_1_5=4, var_1_6=50, var_1_7=-8, var_1_8=-4, var_1_9=50] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not(var_1_3 <= 63) VAL [isInitial=1, last_1_var_1_15=128, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=1, var_1_4=50, var_1_5=4, var_1_6=50, var_1_7=-8, var_1_8=-4, var_1_9=50] [L81] var_1_4 = __VERIFIER_nondet_char() [L82] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=128, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=1, var_1_4=1, var_1_5=4, var_1_6=50, var_1_7=-8, var_1_8=-4, var_1_9=50] [L20] COND FALSE !(!cond) [L82] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_15=128, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=1, var_1_4=1, var_1_5=4, var_1_6=50, var_1_7=-8, var_1_8=-4, var_1_9=50] [L83] CALL assume_abort_if_not(var_1_4 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=128, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=1, var_1_4=1, var_1_5=4, var_1_6=50, var_1_7=-8, var_1_8=-4, var_1_9=50] [L20] COND FALSE !(!cond) [L83] RET assume_abort_if_not(var_1_4 <= 63) VAL [isInitial=1, last_1_var_1_15=128, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=1, var_1_4=1, var_1_5=4, var_1_6=50, var_1_7=-8, var_1_8=-4, var_1_9=50] [L84] var_1_5 = __VERIFIER_nondet_char() [L85] CALL assume_abort_if_not(var_1_5 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=128, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=1, var_1_4=1, var_1_5=3, var_1_6=50, var_1_7=-8, var_1_8=-4, var_1_9=50] [L20] COND FALSE !(!cond) [L85] RET assume_abort_if_not(var_1_5 >= -127) VAL [isInitial=1, last_1_var_1_15=128, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=1, var_1_4=1, var_1_5=3, var_1_6=50, var_1_7=-8, var_1_8=-4, var_1_9=50] [L86] CALL assume_abort_if_not(var_1_5 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=128, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=1, var_1_4=1, var_1_5=3, var_1_6=50, var_1_7=-8, var_1_8=-4, var_1_9=50] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not(var_1_5 <= 126) VAL [isInitial=1, last_1_var_1_15=128, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=1, var_1_4=1, var_1_5=3, var_1_6=50, var_1_7=-8, var_1_8=-4, var_1_9=50] [L87] var_1_7 = __VERIFIER_nondet_long() [L88] CALL assume_abort_if_not(var_1_7 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=128, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=1, var_1_4=1, var_1_5=3, var_1_6=50, var_1_7=2, var_1_8=-4, var_1_9=50] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not(var_1_7 >= -2147483648) VAL [isInitial=1, last_1_var_1_15=128, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=1, var_1_4=1, var_1_5=3, var_1_6=50, var_1_7=2, var_1_8=-4, var_1_9=50] [L89] CALL assume_abort_if_not(var_1_7 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=128, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=1, var_1_4=1, var_1_5=3, var_1_6=50, var_1_7=2, var_1_8=-4, var_1_9=50] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(var_1_7 <= 2147483647) VAL [isInitial=1, last_1_var_1_15=128, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=1, var_1_4=1, var_1_5=3, var_1_6=50, var_1_7=2, var_1_8=-4, var_1_9=50] [L90] CALL assume_abort_if_not(var_1_7 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=128, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=1, var_1_4=1, var_1_5=3, var_1_6=50, var_1_7=2, var_1_8=-4, var_1_9=50] [L20] COND FALSE !(!cond) [L90] RET assume_abort_if_not(var_1_7 != 0) VAL [isInitial=1, last_1_var_1_15=128, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=1, var_1_4=1, var_1_5=3, var_1_6=50, var_1_7=2, var_1_8=-4, var_1_9=50] [L91] var_1_8 = __VERIFIER_nondet_long() [L92] CALL assume_abort_if_not(var_1_8 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=128, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=1, var_1_4=1, var_1_5=3, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(var_1_8 >= -2147483648) VAL [isInitial=1, last_1_var_1_15=128, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=1, var_1_4=1, var_1_5=3, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L93] CALL assume_abort_if_not(var_1_8 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=128, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=1, var_1_4=1, var_1_5=3, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not(var_1_8 <= 2147483647) VAL [isInitial=1, last_1_var_1_15=128, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=1, var_1_4=1, var_1_5=3, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L94] CALL assume_abort_if_not(var_1_8 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=128, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=1, var_1_4=1, var_1_5=3, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not(var_1_8 != 0) VAL [isInitial=1, last_1_var_1_15=128, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=1, var_1_4=1, var_1_5=3, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L95] var_1_10 = __VERIFIER_nondet_uchar() [L96] CALL assume_abort_if_not(var_1_10 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=5, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=1, var_1_4=1, var_1_5=3, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not(var_1_10 >= 127) VAL [isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=5, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=1, var_1_4=1, var_1_5=3, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L97] CALL assume_abort_if_not(var_1_10 <= 255) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=5, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=1, var_1_4=1, var_1_5=3, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not(var_1_10 <= 255) VAL [isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=5, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=1, var_1_4=1, var_1_5=3, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L98] var_1_11 = __VERIFIER_nondet_uchar() [L99] CALL assume_abort_if_not(var_1_11 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=126, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=1, var_1_4=1, var_1_5=3, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not(var_1_11 >= 1) VAL [isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=126, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=1, var_1_4=1, var_1_5=3, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L100] CALL assume_abort_if_not(var_1_11 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=126, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=1, var_1_4=1, var_1_5=3, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(var_1_11 <= 126) VAL [isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=126, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=1, var_1_4=1, var_1_5=3, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L101] CALL assume_abort_if_not(var_1_11 != 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=126, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=1, var_1_4=1, var_1_5=3, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not(var_1_11 != 127) VAL [isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=126, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=1, var_1_4=1, var_1_5=3, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L102] var_1_16 = __VERIFIER_nondet_long() [L103] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=126, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=126, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=1, var_1_4=1, var_1_5=3, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=126, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=126, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=1, var_1_4=1, var_1_5=3, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L104] CALL assume_abort_if_not(var_1_16 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=126, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=126, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=1, var_1_4=1, var_1_5=3, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not(var_1_16 <= 2147483647) VAL [isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=126, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=126, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=1, var_1_4=1, var_1_5=3, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L105] var_1_17 = __VERIFIER_nondet_ushort() [L106] CALL assume_abort_if_not(var_1_17 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=126, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=126, var_1_17=65534, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=1, var_1_4=1, var_1_5=3, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L20] COND FALSE !(!cond) [L106] RET assume_abort_if_not(var_1_17 >= 32767) VAL [isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=126, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=126, var_1_17=65534, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=1, var_1_4=1, var_1_5=3, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L107] CALL assume_abort_if_not(var_1_17 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=126, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=126, var_1_17=65534, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=1, var_1_4=1, var_1_5=3, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L20] COND FALSE !(!cond) [L107] RET assume_abort_if_not(var_1_17 <= 65534) VAL [isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=126, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=126, var_1_17=65534, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=1, var_1_4=1, var_1_5=3, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L108] var_1_21 = __VERIFIER_nondet_double() [L109] CALL assume_abort_if_not((var_1_21 >= -922337.2036854765600e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854765600e+12F && var_1_21 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=126, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=126, var_1_17=65534, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=2, var_1_3=1, var_1_4=1, var_1_5=3, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L20] COND FALSE !(!cond) [L109] RET assume_abort_if_not((var_1_21 >= -922337.2036854765600e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854765600e+12F && var_1_21 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=126, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=126, var_1_17=65534, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=2, var_1_3=1, var_1_4=1, var_1_5=3, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L123] RET updateVariables() [L124] CALL step() [L45] EXPR var_1_8 & var_1_4 [L45] COND FALSE !(last_1_var_1_15 <= (var_1_8 & var_1_4)) [L50] var_1_9 = var_1_4 [L52] EXPR (var_1_4 + var_1_9) & var_1_7 [L52] COND FALSE !(((var_1_4 + var_1_9) & var_1_7) <= (var_1_10 - ((((var_1_11) < (var_1_16)) ? (var_1_11) : (var_1_16))))) [L55] var_1_15 = ((((((((var_1_10) > ((var_1_17 - var_1_4))) ? (var_1_10) : ((var_1_17 - var_1_4))))) > (var_1_11)) ? (((((var_1_10) > ((var_1_17 - var_1_4))) ? (var_1_10) : ((var_1_17 - var_1_4))))) : (var_1_11))) [L57] COND FALSE !(-4 > (var_1_5 / ((((var_1_7) > (var_1_8)) ? (var_1_7) : (var_1_8))))) [L62] var_1_18 = var_1_17 [L63] var_1_19 = 0 [L64] var_1_20 = var_1_21 [L65] COND FALSE !(\read(var_1_19)) [L68] COND FALSE !(var_1_3 <= var_1_1) [L71] var_1_12 = (((((var_1_11 + var_1_4)) < (var_1_10)) ? ((var_1_11 + var_1_4)) : (var_1_10))) [L73] COND FALSE !((~ var_1_3) < var_1_18) [L124] RET step() [L125] CALL, EXPR property() [L115] EXPR ((var_1_19 ? (var_1_1 == ((signed char) (((((var_1_3 + (1 - var_1_4))) < (var_1_5)) ? ((var_1_3 + (1 - var_1_4))) : (var_1_5))))) : 1) && ((-4 > (var_1_5 / ((((var_1_7) > (var_1_8)) ? (var_1_7) : (var_1_8))))) ? ((var_1_4 < -16) ? (var_1_6 == ((unsigned long int) ((((32u) < 0 ) ? -(32u) : (32u))))) : 1) : 1)) && ((last_1_var_1_15 <= (var_1_8 & var_1_4)) ? ((((- 8) / (var_1_10 - var_1_11)) >= var_1_3) ? (var_1_9 == ((signed char) var_1_3)) : 1) : (var_1_9 == ((signed char) var_1_4))) [L115] EXPR var_1_8 & var_1_4 [L115] EXPR ((var_1_19 ? (var_1_1 == ((signed char) (((((var_1_3 + (1 - var_1_4))) < (var_1_5)) ? ((var_1_3 + (1 - var_1_4))) : (var_1_5))))) : 1) && ((-4 > (var_1_5 / ((((var_1_7) > (var_1_8)) ? (var_1_7) : (var_1_8))))) ? ((var_1_4 < -16) ? (var_1_6 == ((unsigned long int) ((((32u) < 0 ) ? -(32u) : (32u))))) : 1) : 1)) && ((last_1_var_1_15 <= (var_1_8 & var_1_4)) ? ((((- 8) / (var_1_10 - var_1_11)) >= var_1_3) ? (var_1_9 == ((signed char) var_1_3)) : 1) : (var_1_9 == ((signed char) var_1_4))) [L115] EXPR (((((var_1_19 ? (var_1_1 == ((signed char) (((((var_1_3 + (1 - var_1_4))) < (var_1_5)) ? ((var_1_3 + (1 - var_1_4))) : (var_1_5))))) : 1) && ((-4 > (var_1_5 / ((((var_1_7) > (var_1_8)) ? (var_1_7) : (var_1_8))))) ? ((var_1_4 < -16) ? (var_1_6 == ((unsigned long int) ((((32u) < 0 ) ? -(32u) : (32u))))) : 1) : 1)) && ((last_1_var_1_15 <= (var_1_8 & var_1_4)) ? ((((- 8) / (var_1_10 - var_1_11)) >= var_1_3) ? (var_1_9 == ((signed char) var_1_3)) : 1) : (var_1_9 == ((signed char) var_1_4)))) && ((var_1_3 <= var_1_1) ? (var_1_12 == ((unsigned long int) var_1_4)) : (var_1_12 == ((unsigned long int) (((((var_1_11 + var_1_4)) < (var_1_10)) ? ((var_1_11 + var_1_4)) : (var_1_10))))))) && (((~ var_1_3) < var_1_18) ? (var_1_13 == ((signed char) (((((var_1_4 + var_1_3)) > (-5)) ? ((var_1_4 + var_1_3)) : (-5))))) : 1)) && ((((var_1_4 + var_1_9) & var_1_7) <= (var_1_10 - ((((var_1_11) < (var_1_16)) ? (var_1_11) : (var_1_16))))) ? (var_1_15 == ((unsigned short int) (var_1_11 + 64))) : (var_1_15 == ((unsigned short int) ((((((((var_1_10) > ((var_1_17 - var_1_4))) ? (var_1_10) : ((var_1_17 - var_1_4))))) > (var_1_11)) ? (((((var_1_10) > ((var_1_17 - var_1_4))) ? (var_1_10) : ((var_1_17 - var_1_4))))) : (var_1_11)))))) [L115] EXPR (var_1_4 + var_1_9) & var_1_7 [L115] EXPR (((((var_1_19 ? (var_1_1 == ((signed char) (((((var_1_3 + (1 - var_1_4))) < (var_1_5)) ? ((var_1_3 + (1 - var_1_4))) : (var_1_5))))) : 1) && ((-4 > (var_1_5 / ((((var_1_7) > (var_1_8)) ? (var_1_7) : (var_1_8))))) ? ((var_1_4 < -16) ? (var_1_6 == ((unsigned long int) ((((32u) < 0 ) ? -(32u) : (32u))))) : 1) : 1)) && ((last_1_var_1_15 <= (var_1_8 & var_1_4)) ? ((((- 8) / (var_1_10 - var_1_11)) >= var_1_3) ? (var_1_9 == ((signed char) var_1_3)) : 1) : (var_1_9 == ((signed char) var_1_4)))) && ((var_1_3 <= var_1_1) ? (var_1_12 == ((unsigned long int) var_1_4)) : (var_1_12 == ((unsigned long int) (((((var_1_11 + var_1_4)) < (var_1_10)) ? ((var_1_11 + var_1_4)) : (var_1_10))))))) && (((~ var_1_3) < var_1_18) ? (var_1_13 == ((signed char) (((((var_1_4 + var_1_3)) > (-5)) ? ((var_1_4 + var_1_3)) : (-5))))) : 1)) && ((((var_1_4 + var_1_9) & var_1_7) <= (var_1_10 - ((((var_1_11) < (var_1_16)) ? (var_1_11) : (var_1_16))))) ? (var_1_15 == ((unsigned short int) (var_1_11 + 64))) : (var_1_15 == ((unsigned short int) ((((((((var_1_10) > ((var_1_17 - var_1_4))) ? (var_1_10) : ((var_1_17 - var_1_4))))) > (var_1_11)) ? (((((var_1_10) > ((var_1_17 - var_1_4))) ? (var_1_10) : ((var_1_17 - var_1_4))))) : (var_1_11)))))) [L115-L116] return ((((((((var_1_19 ? (var_1_1 == ((signed char) (((((var_1_3 + (1 - var_1_4))) < (var_1_5)) ? ((var_1_3 + (1 - var_1_4))) : (var_1_5))))) : 1) && ((-4 > (var_1_5 / ((((var_1_7) > (var_1_8)) ? (var_1_7) : (var_1_8))))) ? ((var_1_4 < -16) ? (var_1_6 == ((unsigned long int) ((((32u) < 0 ) ? -(32u) : (32u))))) : 1) : 1)) && ((last_1_var_1_15 <= (var_1_8 & var_1_4)) ? ((((- 8) / (var_1_10 - var_1_11)) >= var_1_3) ? (var_1_9 == ((signed char) var_1_3)) : 1) : (var_1_9 == ((signed char) var_1_4)))) && ((var_1_3 <= var_1_1) ? (var_1_12 == ((unsigned long int) var_1_4)) : (var_1_12 == ((unsigned long int) (((((var_1_11 + var_1_4)) < (var_1_10)) ? ((var_1_11 + var_1_4)) : (var_1_10))))))) && (((~ var_1_3) < var_1_18) ? (var_1_13 == ((signed char) (((((var_1_4 + var_1_3)) > (-5)) ? ((var_1_4 + var_1_3)) : (-5))))) : 1)) && ((((var_1_4 + var_1_9) & var_1_7) <= (var_1_10 - ((((var_1_11) < (var_1_16)) ? (var_1_11) : (var_1_16))))) ? (var_1_15 == ((unsigned short int) (var_1_11 + 64))) : (var_1_15 == ((unsigned short int) ((((((((var_1_10) > ((var_1_17 - var_1_4))) ? (var_1_10) : ((var_1_17 - var_1_4))))) > (var_1_11)) ? (((((var_1_10) > ((var_1_17 - var_1_4))) ? (var_1_10) : ((var_1_17 - var_1_4))))) : (var_1_11))))))) && (var_1_18 == ((unsigned long int) var_1_17))) && (var_1_19 == ((unsigned char) 0))) && (var_1_20 == ((double) var_1_21)) ; [L125] RET, EXPR property() [L125] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=126, var_1_12=127, var_1_13=16, var_1_15=65533, var_1_16=126, var_1_17=65534, var_1_18=65534, var_1_19=0, var_1_1=-10, var_1_20=2, var_1_21=2, var_1_3=1, var_1_4=1, var_1_5=3, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=1] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=126, var_1_12=127, var_1_13=16, var_1_15=65533, var_1_16=126, var_1_17=65534, var_1_18=65534, var_1_19=0, var_1_1=-10, var_1_20=2, var_1_21=2, var_1_3=1, var_1_4=1, var_1_5=3, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 41 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 1, TraceHistogramMax: 22, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=41occurred 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, 0.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 80 NumberOfCodeBlocks, 80 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 00:51:15,724 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84422ad1-120e-4647-a240-9e5df350a4f9/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_84422ad1-120e-4647-a240-9e5df350a4f9/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84422ad1-120e-4647-a240-9e5df350a4f9/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_84422ad1-120e-4647-a240-9e5df350a4f9/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84422ad1-120e-4647-a240-9e5df350a4f9/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-84.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84422ad1-120e-4647-a240-9e5df350a4f9/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_84422ad1-120e-4647-a240-9e5df350a4f9/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 925e9b76051eff442eff54c72fd139be6e9d1af6b77433b45103df887e08e16e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:51:18,490 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:51:18,596 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84422ad1-120e-4647-a240-9e5df350a4f9/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-12 00:51:18,602 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:51:18,611 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:51:18,660 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:51:18,660 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:51:18,661 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:51:18,663 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:51:18,668 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:51:18,668 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:51:18,669 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:51:18,670 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:51:18,672 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:51:18,672 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:51:18,673 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:51:18,674 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:51:18,674 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:51:18,675 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:51:18,675 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:51:18,676 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:51:18,676 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:51:18,677 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:51:18,677 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:51:18,678 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 00:51:18,678 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 00:51:18,679 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 00:51:18,679 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:51:18,680 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:51:18,680 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:51:18,682 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:51:18,682 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 00:51:18,682 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:51:18,683 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:51:18,683 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:51:18,684 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:51:18,684 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:51:18,684 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-12 00:51:18,684 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 00:51:18,685 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:51:18,686 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:51:18,686 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:51:18,686 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_84422ad1-120e-4647-a240-9e5df350a4f9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84422ad1-120e-4647-a240-9e5df350a4f9/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 925e9b76051eff442eff54c72fd139be6e9d1af6b77433b45103df887e08e16e [2023-11-12 00:51:19,069 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:51:19,106 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:51:19,109 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:51:19,111 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:51:19,111 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:51:19,113 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84422ad1-120e-4647-a240-9e5df350a4f9/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-84.i [2023-11-12 00:51:22,333 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:51:22,615 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:51:22,615 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84422ad1-120e-4647-a240-9e5df350a4f9/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-84.i [2023-11-12 00:51:22,625 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84422ad1-120e-4647-a240-9e5df350a4f9/bin/utaipan-verify-NcY6lQBIFX/data/77ff347a5/c184d61890d5425a9b02297b4f027679/FLAGbd28a6cde [2023-11-12 00:51:22,639 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84422ad1-120e-4647-a240-9e5df350a4f9/bin/utaipan-verify-NcY6lQBIFX/data/77ff347a5/c184d61890d5425a9b02297b4f027679 [2023-11-12 00:51:22,641 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:51:22,643 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:51:22,644 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:51:22,644 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:51:22,654 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:51:22,654 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:51:22" (1/1) ... [2023-11-12 00:51:22,655 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22646085 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:51:22, skipping insertion in model container [2023-11-12 00:51:22,656 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:51:22" (1/1) ... [2023-11-12 00:51:22,688 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:51:22,845 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_84422ad1-120e-4647-a240-9e5df350a4f9/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-84.i[919,932] [2023-11-12 00:51:22,923 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:51:22,945 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:51:22,967 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_84422ad1-120e-4647-a240-9e5df350a4f9/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-84.i[919,932] [2023-11-12 00:51:23,034 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:51:23,059 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:51:23,060 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:51:23 WrapperNode [2023-11-12 00:51:23,060 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:51:23,061 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:51:23,062 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:51:23,062 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:51:23,070 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:51:23" (1/1) ... [2023-11-12 00:51:23,083 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:51:23" (1/1) ... [2023-11-12 00:51:23,133 INFO L138 Inliner]: procedures = 27, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 127 [2023-11-12 00:51:23,135 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:51:23,136 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:51:23,137 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:51:23,137 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:51:23,147 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:51:23" (1/1) ... [2023-11-12 00:51:23,147 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:51:23" (1/1) ... [2023-11-12 00:51:23,170 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:51:23" (1/1) ... [2023-11-12 00:51:23,170 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:51:23" (1/1) ... [2023-11-12 00:51:23,219 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:51:23" (1/1) ... [2023-11-12 00:51:23,223 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:51:23" (1/1) ... [2023-11-12 00:51:23,226 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:51:23" (1/1) ... [2023-11-12 00:51:23,262 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:51:23" (1/1) ... [2023-11-12 00:51:23,266 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:51:23,267 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:51:23,267 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:51:23,267 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:51:23,268 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:51:23" (1/1) ... [2023-11-12 00:51:23,280 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:51:23,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84422ad1-120e-4647-a240-9e5df350a4f9/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:51:23,314 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84422ad1-120e-4647-a240-9e5df350a4f9/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:51:23,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84422ad1-120e-4647-a240-9e5df350a4f9/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:51:23,360 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:51:23,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 00:51:23,361 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:51:23,361 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:51:23,362 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:51:23,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:51:23,486 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:51:23,489 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:51:23,998 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:51:24,004 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:51:24,005 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:51:24,007 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:51:24 BoogieIcfgContainer [2023-11-12 00:51:24,007 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:51:24,010 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:51:24,010 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:51:24,014 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:51:24,014 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:51:22" (1/3) ... [2023-11-12 00:51:24,015 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@772865c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:51:24, skipping insertion in model container [2023-11-12 00:51:24,015 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:51:23" (2/3) ... [2023-11-12 00:51:24,015 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@772865c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:51:24, skipping insertion in model container [2023-11-12 00:51:24,016 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:51:24" (3/3) ... [2023-11-12 00:51:24,017 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_dependencies_file-84.i [2023-11-12 00:51:24,036 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:51:24,036 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:51:24,086 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:51:24,094 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;@c8d8e93, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:51:24,095 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:51:24,100 INFO L276 IsEmpty]: Start isEmpty. Operand has 60 states, 35 states have (on average 1.3714285714285714) internal successors, (48), 36 states have internal predecessors, (48), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-12 00:51:24,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2023-11-12 00:51:24,122 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:51:24,123 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:51:24,126 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:51:24,132 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:51:24,133 INFO L85 PathProgramCache]: Analyzing trace with hash 454844467, now seen corresponding path program 1 times [2023-11-12 00:51:24,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:51:24,149 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1953795922] [2023-11-12 00:51:24,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:51:24,150 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 00:51:24,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84422ad1-120e-4647-a240-9e5df350a4f9/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:51:24,151 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84422ad1-120e-4647-a240-9e5df350a4f9/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 00:51:24,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84422ad1-120e-4647-a240-9e5df350a4f9/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 00:51:24,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:51:24,559 INFO L262 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-12 00:51:24,593 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:51:24,642 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 458 proven. 0 refuted. 0 times theorem prover too weak. 466 trivial. 0 not checked. [2023-11-12 00:51:24,643 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:51:24,644 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:51:24,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1953795922] [2023-11-12 00:51:24,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1953795922] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:51:24,645 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:51:24,645 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 00:51:24,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460872824] [2023-11-12 00:51:24,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:51:24,653 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 00:51:24,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:51:24,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 00:51:24,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 00:51:24,687 INFO L87 Difference]: Start difference. First operand has 60 states, 35 states have (on average 1.3714285714285714) internal successors, (48), 36 states have internal predecessors, (48), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2023-11-12 00:51:24,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:51:24,720 INFO L93 Difference]: Finished difference Result 113 states and 200 transitions. [2023-11-12 00:51:24,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 00:51:24,722 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 136 [2023-11-12 00:51:24,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:51:24,730 INFO L225 Difference]: With dead ends: 113 [2023-11-12 00:51:24,730 INFO L226 Difference]: Without dead ends: 56 [2023-11-12 00:51:24,734 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 135 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 00:51:24,738 INFO L413 NwaCegarLoop]: 85 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, 85 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 00:51:24,739 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 00:51:24,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2023-11-12 00:51:24,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2023-11-12 00:51:24,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 32 states have (on average 1.28125) internal successors, (41), 32 states have internal predecessors, (41), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-12 00:51:24,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 85 transitions. [2023-11-12 00:51:24,787 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 85 transitions. Word has length 136 [2023-11-12 00:51:24,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:51:24,788 INFO L495 AbstractCegarLoop]: Abstraction has 56 states and 85 transitions. [2023-11-12 00:51:24,788 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2023-11-12 00:51:24,789 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 85 transitions. [2023-11-12 00:51:24,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2023-11-12 00:51:24,792 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:51:24,793 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:51:24,810 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84422ad1-120e-4647-a240-9e5df350a4f9/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 00:51:25,010 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84422ad1-120e-4647-a240-9e5df350a4f9/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 00:51:25,010 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:51:25,011 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:51:25,011 INFO L85 PathProgramCache]: Analyzing trace with hash 300214771, now seen corresponding path program 1 times [2023-11-12 00:51:25,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:51:25,012 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1770357710] [2023-11-12 00:51:25,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:51:25,013 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 00:51:25,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84422ad1-120e-4647-a240-9e5df350a4f9/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:51:25,023 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84422ad1-120e-4647-a240-9e5df350a4f9/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 00:51:25,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84422ad1-120e-4647-a240-9e5df350a4f9/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 00:51:25,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:51:25,352 INFO L262 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-12 00:51:25,360 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:51:25,407 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-11-12 00:51:25,407 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:51:25,408 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:51:25,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1770357710] [2023-11-12 00:51:25,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1770357710] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:51:25,408 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:51:25,409 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 00:51:25,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787709856] [2023-11-12 00:51:25,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:51:25,411 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:51:25,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:51:25,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:51:25,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:51:25,413 INFO L87 Difference]: Start difference. First operand 56 states and 85 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-12 00:51:25,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:51:25,506 INFO L93 Difference]: Finished difference Result 109 states and 167 transitions. [2023-11-12 00:51:25,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 00:51:25,516 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 136 [2023-11-12 00:51:25,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:51:25,519 INFO L225 Difference]: With dead ends: 109 [2023-11-12 00:51:25,519 INFO L226 Difference]: Without dead ends: 56 [2023-11-12 00:51:25,520 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:51:25,522 INFO L413 NwaCegarLoop]: 82 mSDtfsCounter, 82 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 82 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-12 00:51:25,523 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 82 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-12 00:51:25,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2023-11-12 00:51:25,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2023-11-12 00:51:25,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 32 states have (on average 1.25) internal successors, (40), 32 states have internal predecessors, (40), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-12 00:51:25,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 84 transitions. [2023-11-12 00:51:25,562 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 84 transitions. Word has length 136 [2023-11-12 00:51:25,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:51:25,565 INFO L495 AbstractCegarLoop]: Abstraction has 56 states and 84 transitions. [2023-11-12 00:51:25,566 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-12 00:51:25,566 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 84 transitions. [2023-11-12 00:51:25,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2023-11-12 00:51:25,575 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:51:25,575 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:51:25,599 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84422ad1-120e-4647-a240-9e5df350a4f9/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 00:51:25,799 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84422ad1-120e-4647-a240-9e5df350a4f9/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 00:51:25,800 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:51:25,800 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:51:25,801 INFO L85 PathProgramCache]: Analyzing trace with hash 2075222133, now seen corresponding path program 1 times [2023-11-12 00:51:25,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:51:25,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [673503255] [2023-11-12 00:51:25,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:51:25,804 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 00:51:25,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84422ad1-120e-4647-a240-9e5df350a4f9/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:51:25,806 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84422ad1-120e-4647-a240-9e5df350a4f9/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 00:51:25,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84422ad1-120e-4647-a240-9e5df350a4f9/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 00:51:26,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:51:26,078 INFO L262 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-12 00:51:26,085 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:51:26,968 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 211 proven. 6 refuted. 0 times theorem prover too weak. 707 trivial. 0 not checked. [2023-11-12 00:51:26,968 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:51:27,204 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:51:27,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [673503255] [2023-11-12 00:51:27,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [673503255] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 00:51:27,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [877142864] [2023-11-12 00:51:27,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:51:27,205 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-12 00:51:27,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84422ad1-120e-4647-a240-9e5df350a4f9/bin/utaipan-verify-NcY6lQBIFX/cvc4 [2023-11-12 00:51:27,213 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84422ad1-120e-4647-a240-9e5df350a4f9/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-12 00:51:27,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84422ad1-120e-4647-a240-9e5df350a4f9/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-11-12 00:51:27,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:51:27,827 INFO L262 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-12 00:51:27,834 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:51:28,458 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 211 proven. 6 refuted. 0 times theorem prover too weak. 707 trivial. 0 not checked. [2023-11-12 00:51:28,458 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:51:28,569 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [877142864] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 00:51:28,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [241240763] [2023-11-12 00:51:28,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:51:28,569 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:51:28,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84422ad1-120e-4647-a240-9e5df350a4f9/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:51:28,576 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84422ad1-120e-4647-a240-9e5df350a4f9/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 00:51:28,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84422ad1-120e-4647-a240-9e5df350a4f9/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-12 00:51:28,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:51:28,805 INFO L262 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-12 00:51:28,810 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:51:29,342 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 211 proven. 6 refuted. 0 times theorem prover too weak. 707 trivial. 0 not checked. [2023-11-12 00:51:29,342 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:51:29,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [241240763] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 00:51:29,431 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-12 00:51:29,431 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 7 [2023-11-12 00:51:29,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1399006266] [2023-11-12 00:51:29,432 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-12 00:51:29,433 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-12 00:51:29,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:51:29,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-12 00:51:29,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2023-11-12 00:51:29,435 INFO L87 Difference]: Start difference. First operand 56 states and 84 transitions. Second operand has 8 states, 8 states have (on average 4.375) internal successors, (35), 7 states have internal predecessors, (35), 2 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2023-11-12 00:51:31,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:51:31,167 INFO L93 Difference]: Finished difference Result 174 states and 255 transitions. [2023-11-12 00:51:31,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-12 00:51:31,170 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.375) internal successors, (35), 7 states have internal predecessors, (35), 2 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 136 [2023-11-12 00:51:31,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:51:31,173 INFO L225 Difference]: With dead ends: 174 [2023-11-12 00:51:31,173 INFO L226 Difference]: Without dead ends: 121 [2023-11-12 00:51:31,175 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 455 GetRequests, 435 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=124, Invalid=338, Unknown=0, NotChecked=0, Total=462 [2023-11-12 00:51:31,176 INFO L413 NwaCegarLoop]: 99 mSDtfsCounter, 141 mSDsluCounter, 196 mSDsCounter, 0 mSdLazyCounter, 390 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 295 SdHoareTripleChecker+Invalid, 439 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 390 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-11-12 00:51:31,177 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [161 Valid, 295 Invalid, 439 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 390 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-11-12 00:51:31,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2023-11-12 00:51:31,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 61. [2023-11-12 00:51:31,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 36 states have (on average 1.2222222222222223) internal successors, (44), 36 states have internal predecessors, (44), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-12 00:51:31,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 88 transitions. [2023-11-12 00:51:31,204 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 88 transitions. Word has length 136 [2023-11-12 00:51:31,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:51:31,205 INFO L495 AbstractCegarLoop]: Abstraction has 61 states and 88 transitions. [2023-11-12 00:51:31,205 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.375) internal successors, (35), 7 states have internal predecessors, (35), 2 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2023-11-12 00:51:31,205 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 88 transitions. [2023-11-12 00:51:31,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2023-11-12 00:51:31,207 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:51:31,208 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:51:31,219 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84422ad1-120e-4647-a240-9e5df350a4f9/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2023-11-12 00:51:31,435 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84422ad1-120e-4647-a240-9e5df350a4f9/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-11-12 00:51:31,623 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84422ad1-120e-4647-a240-9e5df350a4f9/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-12 00:51:31,814 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84422ad1-120e-4647-a240-9e5df350a4f9/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84422ad1-120e-4647-a240-9e5df350a4f9/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84422ad1-120e-4647-a240-9e5df350a4f9/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:51:31,814 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:51:31,814 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:51:31,815 INFO L85 PathProgramCache]: Analyzing trace with hash 2073375091, now seen corresponding path program 1 times [2023-11-12 00:51:31,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:51:31,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2015666810] [2023-11-12 00:51:31,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:51:31,816 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 00:51:31,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84422ad1-120e-4647-a240-9e5df350a4f9/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:51:31,819 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84422ad1-120e-4647-a240-9e5df350a4f9/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 00:51:31,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84422ad1-120e-4647-a240-9e5df350a4f9/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 (7)] Waiting until timeout for monitored process [2023-11-12 00:51:32,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:51:32,102 INFO L262 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-12 00:51:32,113 INFO L285 TraceCheckSpWp]: Computing forward predicates...