./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-90.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a 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_8388830b-81cd-4d98-ac50-0f2b44bd8b62/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8388830b-81cd-4d98-ac50-0f2b44bd8b62/bin/utaipan-verify-DbMuA5NWw2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8388830b-81cd-4d98-ac50-0f2b44bd8b62/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8388830b-81cd-4d98-ac50-0f2b44bd8b62/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-90.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8388830b-81cd-4d98-ac50-0f2b44bd8b62/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8388830b-81cd-4d98-ac50-0f2b44bd8b62/bin/utaipan-verify-DbMuA5NWw2 --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 bdc619285dc209002e8438907f639db580a778826e48cc5794b2e711b82e87d5 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:32:12,620 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:32:12,731 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8388830b-81cd-4d98-ac50-0f2b44bd8b62/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-02 12:32:12,743 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:32:12,744 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:32:12,786 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:32:12,789 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:32:12,789 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:32:12,791 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:32:12,792 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:32:12,793 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:32:12,794 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:32:12,795 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:32:12,797 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 12:32:12,798 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:32:12,799 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:32:12,800 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 12:32:12,800 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 12:32:12,805 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:32:12,805 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 12:32:12,805 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 12:32:12,806 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 12:32:12,807 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:32:12,807 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:32:12,808 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-02 12:32:12,810 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 12:32:12,810 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-02 12:32:12,811 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:32:12,811 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:32:12,811 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:32:12,812 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:32:12,812 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:32:12,812 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-02 12:32:12,813 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:32:12,813 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:32:12,813 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:32:12,813 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:32:12,814 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:32:12,814 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:32:12,814 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:32:12,816 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:32:12,816 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:32:12,817 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 12:32:12,817 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 12:32:12,818 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:32:12,818 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:32:12,818 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:32:12,818 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_8388830b-81cd-4d98-ac50-0f2b44bd8b62/bin/utaipan-verify-DbMuA5NWw2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8388830b-81cd-4d98-ac50-0f2b44bd8b62/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bdc619285dc209002e8438907f639db580a778826e48cc5794b2e711b82e87d5 [2024-11-02 12:32:13,197 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:32:13,247 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:32:13,250 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:32:13,252 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:32:13,257 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:32:13,258 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8388830b-81cd-4d98-ac50-0f2b44bd8b62/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-90.i Unable to find full path for "g++" [2024-11-02 12:32:15,393 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:32:15,618 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:32:15,618 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8388830b-81cd-4d98-ac50-0f2b44bd8b62/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-90.i [2024-11-02 12:32:15,626 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8388830b-81cd-4d98-ac50-0f2b44bd8b62/bin/utaipan-verify-DbMuA5NWw2/data/7c17ce134/21d726fef8b1489590c2afd316fec4b5/FLAG053684d5a [2024-11-02 12:32:15,642 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8388830b-81cd-4d98-ac50-0f2b44bd8b62/bin/utaipan-verify-DbMuA5NWw2/data/7c17ce134/21d726fef8b1489590c2afd316fec4b5 [2024-11-02 12:32:15,645 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:32:15,647 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:32:15,648 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:32:15,650 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:32:15,656 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:32:15,657 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:32:15" (1/1) ... [2024-11-02 12:32:15,659 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77e98592 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:32:15, skipping insertion in model container [2024-11-02 12:32:15,659 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:32:15" (1/1) ... [2024-11-02 12:32:15,694 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:32:15,904 WARN L251 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_8388830b-81cd-4d98-ac50-0f2b44bd8b62/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-90.i[919,932] [2024-11-02 12:32:15,974 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:32:15,986 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:32:15,998 WARN L251 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_8388830b-81cd-4d98-ac50-0f2b44bd8b62/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-90.i[919,932] [2024-11-02 12:32:16,047 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:32:16,067 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:32:16,068 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:32:16 WrapperNode [2024-11-02 12:32:16,068 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:32:16,069 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:32:16,069 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:32:16,070 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:32:16,078 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:32:16" (1/1) ... [2024-11-02 12:32:16,088 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:32:16" (1/1) ... [2024-11-02 12:32:16,125 INFO L138 Inliner]: procedures = 26, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 149 [2024-11-02 12:32:16,125 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:32:16,126 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:32:16,126 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:32:16,126 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:32:16,137 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:32:16" (1/1) ... [2024-11-02 12:32:16,138 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:32:16" (1/1) ... [2024-11-02 12:32:16,140 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:32:16" (1/1) ... [2024-11-02 12:32:16,141 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:32:16" (1/1) ... [2024-11-02 12:32:16,148 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:32:16" (1/1) ... [2024-11-02 12:32:16,153 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:32:16" (1/1) ... [2024-11-02 12:32:16,159 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:32:16" (1/1) ... [2024-11-02 12:32:16,161 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:32:16" (1/1) ... [2024-11-02 12:32:16,168 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:32:16,169 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:32:16,169 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:32:16,169 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:32:16,174 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:32:16" (1/1) ... [2024-11-02 12:32:16,181 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:32:16,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8388830b-81cd-4d98-ac50-0f2b44bd8b62/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:32:16,210 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8388830b-81cd-4d98-ac50-0f2b44bd8b62/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:32:16,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8388830b-81cd-4d98-ac50-0f2b44bd8b62/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:32:16,249 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:32:16,250 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 12:32:16,250 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 12:32:16,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-02 12:32:16,252 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:32:16,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:32:16,354 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:32:16,356 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:32:16,769 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2024-11-02 12:32:16,769 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:32:17,109 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:32:17,109 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-02 12:32:17,110 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:32:17 BoogieIcfgContainer [2024-11-02 12:32:17,110 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:32:17,116 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:32:17,116 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:32:17,121 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:32:17,122 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:32:15" (1/3) ... [2024-11-02 12:32:17,123 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bec4240 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:32:17, skipping insertion in model container [2024-11-02 12:32:17,123 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:32:16" (2/3) ... [2024-11-02 12:32:17,124 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bec4240 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:32:17, skipping insertion in model container [2024-11-02 12:32:17,124 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:32:17" (3/3) ... [2024-11-02 12:32:17,127 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_dependencies_file-90.i [2024-11-02 12:32:17,147 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:32:17,148 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 12:32:17,228 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:32:17,238 INFO L333 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, 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;@2aae7a82, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:32:17,238 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 12:32:17,244 INFO L276 IsEmpty]: Start isEmpty. Operand has 36 states, 15 states have (on average 1.2) internal successors, (18), 16 states have internal predecessors, (18), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-02 12:32:17,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-02 12:32:17,255 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:32:17,256 INFO L215 NwaCegarLoop]: trace histogram [18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:32:17,256 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:32:17,267 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:32:17,267 INFO L85 PathProgramCache]: Analyzing trace with hash -1032561328, now seen corresponding path program 1 times [2024-11-02 12:32:17,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:32:17,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306852855] [2024-11-02 12:32:17,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:32:17,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:32:17,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-02 12:32:17,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1419766670] [2024-11-02 12:32:17,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:32:17,751 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-02 12:32:17,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8388830b-81cd-4d98-ac50-0f2b44bd8b62/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:32:17,755 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8388830b-81cd-4d98-ac50-0f2b44bd8b62/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-02 12:32:17,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8388830b-81cd-4d98-ac50-0f2b44bd8b62/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-02 12:32:18,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 12:32:18,073 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-02 12:32:18,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 12:32:18,302 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-02 12:32:18,305 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-02 12:32:18,306 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-02 12:32:18,318 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8388830b-81cd-4d98-ac50-0f2b44bd8b62/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-02 12:32:18,512 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8388830b-81cd-4d98-ac50-0f2b44bd8b62/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-02 12:32:18,516 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-02 12:32:18,609 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-02 12:32:18,615 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 12:32:18 BoogieIcfgContainer [2024-11-02 12:32:18,616 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-02 12:32:18,617 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-02 12:32:18,618 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-02 12:32:18,618 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-02 12:32:18,619 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:32:17" (3/4) ... [2024-11-02 12:32:18,622 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-02 12:32:18,623 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-02 12:32:18,624 INFO L158 Benchmark]: Toolchain (without parser) took 2977.96ms. Allocated memory was 134.2MB in the beginning and 176.2MB in the end (delta: 41.9MB). Free memory was 96.4MB in the beginning and 91.3MB in the end (delta: 5.0MB). Peak memory consumption was 49.5MB. Max. memory is 16.1GB. [2024-11-02 12:32:18,625 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 134.2MB. Free memory is still 105.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 12:32:18,626 INFO L158 Benchmark]: CACSL2BoogieTranslator took 420.02ms. Allocated memory is still 134.2MB. Free memory was 95.9MB in the beginning and 81.2MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-02 12:32:18,627 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.19ms. Allocated memory is still 134.2MB. Free memory was 81.2MB in the beginning and 78.5MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-02 12:32:18,628 INFO L158 Benchmark]: Boogie Preprocessor took 42.03ms. Allocated memory is still 134.2MB. Free memory was 78.5MB in the beginning and 76.9MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 12:32:18,630 INFO L158 Benchmark]: RCFGBuilder took 941.33ms. Allocated memory was 134.2MB in the beginning and 176.2MB in the end (delta: 41.9MB). Free memory was 76.4MB in the beginning and 138.5MB in the end (delta: -62.1MB). Peak memory consumption was 43.2MB. Max. memory is 16.1GB. [2024-11-02 12:32:18,632 INFO L158 Benchmark]: TraceAbstraction took 1500.25ms. Allocated memory is still 176.2MB. Free memory was 137.4MB in the beginning and 91.3MB in the end (delta: 46.1MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2024-11-02 12:32:18,632 INFO L158 Benchmark]: Witness Printer took 6.13ms. Allocated memory is still 176.2MB. Free memory is still 91.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 12:32:18,635 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 134.2MB. Free memory is still 105.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 420.02ms. Allocated memory is still 134.2MB. Free memory was 95.9MB in the beginning and 81.2MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.19ms. Allocated memory is still 134.2MB. Free memory was 81.2MB in the beginning and 78.5MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.03ms. Allocated memory is still 134.2MB. Free memory was 78.5MB in the beginning and 76.9MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 941.33ms. Allocated memory was 134.2MB in the beginning and 176.2MB in the end (delta: 41.9MB). Free memory was 76.4MB in the beginning and 138.5MB in the end (delta: -62.1MB). Peak memory consumption was 43.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1500.25ms. Allocated memory is still 176.2MB. Free memory was 137.4MB in the beginning and 91.3MB in the end (delta: 46.1MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. * Witness Printer took 6.13ms. Allocated memory is still 176.2MB. Free memory is still 91.3MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 46, overapproximation of bitwiseOr at line 45, overapproximation of someBinaryArithmeticFLOAToperation at line 68, overapproximation of someUnaryFLOAToperation at line 73. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = -32; [L23] signed long int var_1_3 = 10; [L24] signed long int var_1_4 = 64; [L25] unsigned short int var_1_11 = 64; [L26] unsigned short int var_1_12 = 8; [L27] unsigned short int var_1_13 = 5; [L28] signed short int var_1_14 = 8; [L29] unsigned short int var_1_15 = 62763; [L30] unsigned long int var_1_16 = 25; [L31] float var_1_18 = 63.25; [L32] unsigned char var_1_20 = 0; [L33] float var_1_21 = 7.8; [L34] float var_1_22 = 32.1; [L35] unsigned char var_1_23 = 0; [L36] signed long int var_1_24 = -16; [L37] signed long int last_1_var_1_1 = -32; [L38] unsigned short int last_1_var_1_11 = 64; [L39] signed short int last_1_var_1_14 = 8; [L40] unsigned long int last_1_var_1_16 = 25; [L41] float last_1_var_1_18 = 63.25; [L131] isInitial = 1 [L132] FCALL initially() [L133] COND TRUE 1 [L134] CALL updateLastVariables() [L120] last_1_var_1_1 = var_1_1 [L121] last_1_var_1_11 = var_1_11 [L122] last_1_var_1_14 = var_1_14 [L123] last_1_var_1_16 = var_1_16 [L124] last_1_var_1_18 = var_1_18 [L134] RET updateLastVariables() [L135] CALL updateVariables() [L91] var_1_3 = __VERIFIER_nondet_long() [L92] CALL assume_abort_if_not(var_1_3 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=8, var_1_13=5, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=1, var_1_4=64] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(var_1_3 >= -2147483648) VAL [isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=8, var_1_13=5, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=1, var_1_4=64] [L93] CALL assume_abort_if_not(var_1_3 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=8, var_1_13=5, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=1, var_1_4=64] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not(var_1_3 <= 2147483647) VAL [isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=8, var_1_13=5, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=1, var_1_4=64] [L94] CALL assume_abort_if_not(var_1_3 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=8, var_1_13=5, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=1, var_1_4=64] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not(var_1_3 != 0) VAL [isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=8, var_1_13=5, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=1, var_1_4=64] [L95] var_1_4 = __VERIFIER_nondet_long() [L96] CALL assume_abort_if_not(var_1_4 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=8, var_1_13=5, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=1, var_1_4=-3] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not(var_1_4 >= -2147483648) VAL [isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=8, var_1_13=5, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=1, var_1_4=-3] [L97] CALL assume_abort_if_not(var_1_4 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=8, var_1_13=5, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=1, var_1_4=-3] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not(var_1_4 <= 2147483647) VAL [isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=8, var_1_13=5, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=1, var_1_4=-3] [L98] CALL assume_abort_if_not(var_1_4 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=8, var_1_13=5, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=1, var_1_4=-3] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(var_1_4 != 0) VAL [isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=8, var_1_13=5, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=1, var_1_4=-3] [L99] var_1_12 = __VERIFIER_nondet_ushort() [L100] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_13=5, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=1, var_1_4=-3] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_13=5, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=1, var_1_4=-3] [L101] CALL assume_abort_if_not(var_1_12 <= 16384) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=131103, var_1_13=5, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=1, var_1_4=-3] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not(var_1_12 <= 16384) VAL [isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=131103, var_1_13=5, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=1, var_1_4=-3] [L102] var_1_13 = __VERIFIER_nondet_ushort() [L103] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=131103, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=1, var_1_4=-3] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=131103, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=1, var_1_4=-3] [L104] CALL assume_abort_if_not(var_1_13 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=131103, var_1_13=-65536, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=1, var_1_4=-3] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not(var_1_13 <= 16383) VAL [isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=131103, var_1_13=-65536, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=1, var_1_4=-3] [L105] var_1_15 = __VERIFIER_nondet_ushort() [L106] CALL assume_abort_if_not(var_1_15 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=131103, var_1_13=-65536, var_1_14=8, var_1_15=32767, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=1, var_1_4=-3] [L20] COND FALSE !(!cond) [L106] RET assume_abort_if_not(var_1_15 >= 32767) VAL [isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=131103, var_1_13=-65536, var_1_14=8, var_1_15=32767, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=1, var_1_4=-3] [L107] CALL assume_abort_if_not(var_1_15 <= 65535) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=131103, var_1_13=-65536, var_1_14=8, var_1_15=32767, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=1, var_1_4=-3] [L20] COND FALSE !(!cond) [L107] RET assume_abort_if_not(var_1_15 <= 65535) VAL [isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=131103, var_1_13=-65536, var_1_14=8, var_1_15=32767, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=1, var_1_4=-3] [L108] var_1_20 = __VERIFIER_nondet_uchar() [L109] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=131103, var_1_13=-65536, var_1_14=8, var_1_15=32767, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=1, var_1_4=-3] [L20] COND FALSE !(!cond) [L109] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=131103, var_1_13=-65536, var_1_14=8, var_1_15=32767, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=1, var_1_4=-3] [L110] CALL assume_abort_if_not(var_1_20 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=131103, var_1_13=-65536, var_1_14=8, var_1_15=32767, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=1, var_1_4=-3] [L20] COND FALSE !(!cond) [L110] RET assume_abort_if_not(var_1_20 <= 1) VAL [isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=131103, var_1_13=-65536, var_1_14=8, var_1_15=32767, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=1, var_1_4=-3] [L111] var_1_21 = __VERIFIER_nondet_float() [L112] CALL assume_abort_if_not((var_1_21 >= -461168.6018427382800e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 4611686.018427382800e+12F && var_1_21 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=131103, var_1_13=-65536, var_1_14=8, var_1_15=32767, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=1, var_1_4=-3] [L20] COND FALSE !(!cond) [L112] RET assume_abort_if_not((var_1_21 >= -461168.6018427382800e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 4611686.018427382800e+12F && var_1_21 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=131103, var_1_13=-65536, var_1_14=8, var_1_15=32767, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=1, var_1_4=-3] [L113] var_1_22 = __VERIFIER_nondet_float() [L114] CALL assume_abort_if_not((var_1_22 >= -461168.6018427382800e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 4611686.018427382800e+12F && var_1_22 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=131103, var_1_13=-65536, var_1_14=8, var_1_15=32767, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_23=0, var_1_24=-16, var_1_3=1, var_1_4=-3] [L20] COND FALSE !(!cond) [L114] RET assume_abort_if_not((var_1_22 >= -461168.6018427382800e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 4611686.018427382800e+12F && var_1_22 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=131103, var_1_13=-65536, var_1_14=8, var_1_15=32767, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_23=0, var_1_24=-16, var_1_3=1, var_1_4=-3] [L115] var_1_23 = __VERIFIER_nondet_uchar() [L116] CALL assume_abort_if_not(var_1_23 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=131103, var_1_13=-65536, var_1_14=8, var_1_15=32767, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_24=-16, var_1_3=1, var_1_4=-3] [L20] COND FALSE !(!cond) [L116] RET assume_abort_if_not(var_1_23 >= 0) VAL [isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=131103, var_1_13=-65536, var_1_14=8, var_1_15=32767, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_24=-16, var_1_3=1, var_1_4=-3] [L117] CALL assume_abort_if_not(var_1_23 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=131103, var_1_13=-65536, var_1_14=8, var_1_15=32767, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_23=-255, var_1_24=-16, var_1_3=1, var_1_4=-3] [L20] COND FALSE !(!cond) [L117] RET assume_abort_if_not(var_1_23 <= 1) VAL [isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=131103, var_1_13=-65536, var_1_14=8, var_1_15=32767, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_23=-255, var_1_24=-16, var_1_3=1, var_1_4=-3] [L135] RET updateVariables() [L136] CALL step() [L45] EXPR last_1_var_1_1 | last_1_var_1_16 [L45] COND FALSE !((last_1_var_1_14 / ((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4)))) <= (last_1_var_1_1 | last_1_var_1_16)) [L52] var_1_1 = last_1_var_1_11 [L54] COND TRUE (- (- last_1_var_1_18)) != last_1_var_1_18 [L55] COND FALSE !(var_1_12 <= ((((last_1_var_1_14) > ((- last_1_var_1_14))) ? (last_1_var_1_14) : ((- last_1_var_1_14))))) [L58] var_1_24 = last_1_var_1_14 [L63] COND FALSE !(((var_1_15 - var_1_12) + var_1_24) < var_1_24) [L66] COND FALSE !(var_1_24 < var_1_13) [L77] var_1_18 = var_1_21 [L79] COND TRUE var_1_18 != (var_1_18 + var_1_18) [L80] var_1_11 = ((var_1_12 + var_1_13) + 32) [L82] COND FALSE !(((var_1_1 * var_1_4) + var_1_1) > var_1_1) [L87] var_1_16 = 0u [L136] RET step() [L137] CALL, EXPR property() [L127] EXPR last_1_var_1_1 | last_1_var_1_16 [L127-L128] return (((((((last_1_var_1_14 / ((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4)))) <= (last_1_var_1_1 | last_1_var_1_16)) ? (((last_1_var_1_18 * last_1_var_1_18) < last_1_var_1_18) ? (var_1_1 == ((signed long int) last_1_var_1_11)) : (var_1_1 == ((signed long int) last_1_var_1_11))) : (var_1_1 == ((signed long int) last_1_var_1_11))) && ((var_1_18 != (var_1_18 + var_1_18)) ? (var_1_11 == ((unsigned short int) ((var_1_12 + var_1_13) + 32))) : 1)) && ((((var_1_15 - var_1_12) + var_1_24) < var_1_24) ? (var_1_14 == ((signed short int) var_1_12)) : 1)) && ((((var_1_1 * var_1_4) + var_1_1) > var_1_1) ? ((var_1_14 < var_1_1) ? (var_1_16 == ((unsigned long int) var_1_12)) : 1) : (var_1_16 == ((unsigned long int) 0u)))) && ((var_1_24 < var_1_13) ? (var_1_20 ? (var_1_18 == ((float) (((((var_1_21) < 0 ) ? -(var_1_21) : (var_1_21))) + var_1_22))) : (var_1_23 ? (var_1_18 == ((float) (var_1_22 + var_1_21))) : (var_1_18 == ((float) -0.75f)))) : (var_1_18 == ((float) var_1_21)))) && (((- (- last_1_var_1_18)) != last_1_var_1_18) ? ((var_1_12 <= ((((last_1_var_1_14) > ((- last_1_var_1_14))) ? (last_1_var_1_14) : ((- last_1_var_1_14))))) ? (var_1_24 == ((signed long int) -50)) : (var_1_24 == ((signed long int) last_1_var_1_14))) : (var_1_24 == ((signed long int) last_1_var_1_14))) ; [L137] RET, EXPR property() [L137] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=63, var_1_12=131103, var_1_13=-65536, var_1_14=8, var_1_15=32767, var_1_16=0, var_1_18=2, var_1_1=64, var_1_20=0, var_1_21=2, var_1_23=-255, var_1_24=8, var_1_3=1, var_1_4=-3] [L19] reach_error() VAL [isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=63, var_1_12=131103, var_1_13=-65536, var_1_14=8, var_1_15=32767, var_1_16=0, var_1_18=2, var_1_1=64, var_1_20=0, var_1_21=2, var_1_23=-255, var_1_24=8, var_1_3=1, var_1_4=-3] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 36 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 1, TraceHistogramMax: 18, 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=36occurred 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, 0.5s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 134 NumberOfCodeBlocks, 134 NumberOfCodeBlocksAsserted, 2 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 [2024-11-02 12:32:18,682 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8388830b-81cd-4d98-ac50-0f2b44bd8b62/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8388830b-81cd-4d98-ac50-0f2b44bd8b62/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8388830b-81cd-4d98-ac50-0f2b44bd8b62/bin/utaipan-verify-DbMuA5NWw2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8388830b-81cd-4d98-ac50-0f2b44bd8b62/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8388830b-81cd-4d98-ac50-0f2b44bd8b62/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-90.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8388830b-81cd-4d98-ac50-0f2b44bd8b62/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8388830b-81cd-4d98-ac50-0f2b44bd8b62/bin/utaipan-verify-DbMuA5NWw2 --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 bdc619285dc209002e8438907f639db580a778826e48cc5794b2e711b82e87d5 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:32:21,180 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:32:21,281 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8388830b-81cd-4d98-ac50-0f2b44bd8b62/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-02 12:32:21,288 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:32:21,289 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:32:21,323 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:32:21,324 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:32:21,325 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:32:21,326 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:32:21,327 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:32:21,328 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:32:21,328 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:32:21,328 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:32:21,329 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:32:21,329 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:32:21,331 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:32:21,332 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:32:21,332 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:32:21,333 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-02 12:32:21,333 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-02 12:32:21,336 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:32:21,337 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:32:21,337 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:32:21,338 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:32:21,338 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-02 12:32:21,338 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-02 12:32:21,338 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:32:21,338 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-02 12:32:21,339 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-02 12:32:21,339 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:32:21,339 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:32:21,339 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:32:21,340 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-02 12:32:21,340 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:32:21,340 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:32:21,340 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:32:21,343 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:32:21,343 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:32:21,343 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:32:21,343 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-02 12:32:21,344 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-02 12:32:21,345 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:32:21,345 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:32:21,345 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:32:21,345 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_8388830b-81cd-4d98-ac50-0f2b44bd8b62/bin/utaipan-verify-DbMuA5NWw2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8388830b-81cd-4d98-ac50-0f2b44bd8b62/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bdc619285dc209002e8438907f639db580a778826e48cc5794b2e711b82e87d5 [2024-11-02 12:32:21,724 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:32:21,751 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:32:21,754 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:32:21,755 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:32:21,756 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:32:21,757 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8388830b-81cd-4d98-ac50-0f2b44bd8b62/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-90.i Unable to find full path for "g++" [2024-11-02 12:32:23,896 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:32:24,170 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:32:24,171 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8388830b-81cd-4d98-ac50-0f2b44bd8b62/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-90.i [2024-11-02 12:32:24,186 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8388830b-81cd-4d98-ac50-0f2b44bd8b62/bin/utaipan-verify-DbMuA5NWw2/data/a000e88da/1e87f7bb6b6d4ad88ca4120a4be79acd/FLAGb80317481 [2024-11-02 12:32:24,208 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8388830b-81cd-4d98-ac50-0f2b44bd8b62/bin/utaipan-verify-DbMuA5NWw2/data/a000e88da/1e87f7bb6b6d4ad88ca4120a4be79acd [2024-11-02 12:32:24,211 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:32:24,214 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:32:24,216 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:32:24,216 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:32:24,223 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:32:24,224 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:32:24" (1/1) ... [2024-11-02 12:32:24,228 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6496d98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:32:24, skipping insertion in model container [2024-11-02 12:32:24,228 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:32:24" (1/1) ... [2024-11-02 12:32:24,270 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:32:24,502 WARN L251 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_8388830b-81cd-4d98-ac50-0f2b44bd8b62/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-90.i[919,932] [2024-11-02 12:32:24,596 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:32:24,620 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:32:24,633 WARN L251 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_8388830b-81cd-4d98-ac50-0f2b44bd8b62/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-90.i[919,932] [2024-11-02 12:32:24,682 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:32:24,717 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:32:24,717 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:32:24 WrapperNode [2024-11-02 12:32:24,717 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:32:24,718 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:32:24,719 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:32:24,719 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:32:24,726 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:32:24" (1/1) ... [2024-11-02 12:32:24,741 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:32:24" (1/1) ... [2024-11-02 12:32:24,775 INFO L138 Inliner]: procedures = 27, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 129 [2024-11-02 12:32:24,779 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:32:24,780 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:32:24,784 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:32:24,784 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:32:24,801 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:32:24" (1/1) ... [2024-11-02 12:32:24,801 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:32:24" (1/1) ... [2024-11-02 12:32:24,810 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:32:24" (1/1) ... [2024-11-02 12:32:24,811 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:32:24" (1/1) ... [2024-11-02 12:32:24,828 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:32:24" (1/1) ... [2024-11-02 12:32:24,836 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:32:24" (1/1) ... [2024-11-02 12:32:24,838 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:32:24" (1/1) ... [2024-11-02 12:32:24,844 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:32:24" (1/1) ... [2024-11-02 12:32:24,850 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:32:24,851 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:32:24,851 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:32:24,852 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:32:24,853 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:32:24" (1/1) ... [2024-11-02 12:32:24,865 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:32:24,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8388830b-81cd-4d98-ac50-0f2b44bd8b62/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:32:24,894 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8388830b-81cd-4d98-ac50-0f2b44bd8b62/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:32:24,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8388830b-81cd-4d98-ac50-0f2b44bd8b62/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:32:24,935 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:32:24,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-02 12:32:24,936 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 12:32:24,936 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 12:32:24,936 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:32:24,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:32:25,058 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:32:25,062 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:32:26,162 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-02 12:32:26,162 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:32:26,176 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:32:26,176 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-02 12:32:26,176 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:32:26 BoogieIcfgContainer [2024-11-02 12:32:26,176 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:32:26,179 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:32:26,179 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:32:26,183 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:32:26,183 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:32:24" (1/3) ... [2024-11-02 12:32:26,184 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17be6ab2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:32:26, skipping insertion in model container [2024-11-02 12:32:26,184 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:32:24" (2/3) ... [2024-11-02 12:32:26,184 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17be6ab2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:32:26, skipping insertion in model container [2024-11-02 12:32:26,185 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:32:26" (3/3) ... [2024-11-02 12:32:26,186 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_dependencies_file-90.i [2024-11-02 12:32:26,207 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:32:26,207 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 12:32:26,278 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:32:26,284 INFO L333 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, 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;@57164b30, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:32:26,285 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 12:32:26,289 INFO L276 IsEmpty]: Start isEmpty. Operand has 57 states, 36 states have (on average 1.4444444444444444) internal successors, (52), 37 states have internal predecessors, (52), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-02 12:32:26,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-02 12:32:26,301 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:32:26,302 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:32:26,303 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:32:26,307 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:32:26,308 INFO L85 PathProgramCache]: Analyzing trace with hash -934770467, now seen corresponding path program 1 times [2024-11-02 12:32:26,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:32:26,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1139960401] [2024-11-02 12:32:26,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:32:26,320 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 [2024-11-02 12:32:26,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8388830b-81cd-4d98-ac50-0f2b44bd8b62/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:32:26,323 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8388830b-81cd-4d98-ac50-0f2b44bd8b62/bin/utaipan-verify-DbMuA5NWw2/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) [2024-11-02 12:32:26,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8388830b-81cd-4d98-ac50-0f2b44bd8b62/bin/utaipan-verify-DbMuA5NWw2/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 [2024-11-02 12:32:26,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:32:26,720 INFO L255 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-02 12:32:26,728 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:32:26,779 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 314 proven. 0 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2024-11-02 12:32:26,779 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 12:32:26,780 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 12:32:26,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1139960401] [2024-11-02 12:32:26,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1139960401] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:32:26,781 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:32:26,782 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-02 12:32:26,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486164313] [2024-11-02 12:32:26,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:32:26,790 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-02 12:32:26,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 12:32:26,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-02 12:32:26,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-02 12:32:26,818 INFO L87 Difference]: Start difference. First operand has 57 states, 36 states have (on average 1.4444444444444444) internal successors, (52), 37 states have internal predecessors, (52), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-02 12:32:26,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:32:26,850 INFO L93 Difference]: Finished difference Result 107 states and 188 transitions. [2024-11-02 12:32:26,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-02 12:32:26,853 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 114 [2024-11-02 12:32:26,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:32:26,864 INFO L225 Difference]: With dead ends: 107 [2024-11-02 12:32:26,864 INFO L226 Difference]: Without dead ends: 53 [2024-11-02 12:32:26,868 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-02 12:32:26,872 INFO L432 NwaCegarLoop]: 81 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, 81 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 [2024-11-02 12:32:26,873 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-02 12:32:26,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2024-11-02 12:32:26,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2024-11-02 12:32:26,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 33 states have (on average 1.3636363636363635) internal successors, (45), 33 states have internal predecessors, (45), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-02 12:32:26,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 81 transitions. [2024-11-02 12:32:26,927 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 81 transitions. Word has length 114 [2024-11-02 12:32:26,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:32:26,928 INFO L471 AbstractCegarLoop]: Abstraction has 53 states and 81 transitions. [2024-11-02 12:32:26,928 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-02 12:32:26,929 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 81 transitions. [2024-11-02 12:32:26,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-02 12:32:26,933 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:32:26,933 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:32:26,944 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8388830b-81cd-4d98-ac50-0f2b44bd8b62/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-02 12:32:27,134 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8388830b-81cd-4d98-ac50-0f2b44bd8b62/bin/utaipan-verify-DbMuA5NWw2/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 [2024-11-02 12:32:27,134 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:32:27,135 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:32:27,135 INFO L85 PathProgramCache]: Analyzing trace with hash 1577401253, now seen corresponding path program 1 times [2024-11-02 12:32:27,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:32:27,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1965869226] [2024-11-02 12:32:27,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:32:27,136 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 [2024-11-02 12:32:27,136 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8388830b-81cd-4d98-ac50-0f2b44bd8b62/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:32:27,140 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8388830b-81cd-4d98-ac50-0f2b44bd8b62/bin/utaipan-verify-DbMuA5NWw2/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) [2024-11-02 12:32:27,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8388830b-81cd-4d98-ac50-0f2b44bd8b62/bin/utaipan-verify-DbMuA5NWw2/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 [2024-11-02 12:32:27,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:32:27,503 INFO L255 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-02 12:32:27,510 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:32:29,306 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 383 proven. 48 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2024-11-02 12:32:29,306 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-02 12:32:29,898 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 12:32:29,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1965869226] [2024-11-02 12:32:29,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1965869226] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-02 12:32:29,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1038454121] [2024-11-02 12:32:29,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:32:29,900 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-02 12:32:29,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8388830b-81cd-4d98-ac50-0f2b44bd8b62/bin/utaipan-verify-DbMuA5NWw2/cvc4 [2024-11-02 12:32:29,904 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8388830b-81cd-4d98-ac50-0f2b44bd8b62/bin/utaipan-verify-DbMuA5NWw2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-02 12:32:29,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8388830b-81cd-4d98-ac50-0f2b44bd8b62/bin/utaipan-verify-DbMuA5NWw2/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-02 12:32:32,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:32:32,191 INFO L255 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-02 12:32:32,200 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:32:33,442 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 383 proven. 48 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2024-11-02 12:32:33,443 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-02 12:32:33,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1038454121] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-02 12:32:33,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1316802992] [2024-11-02 12:32:33,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:32:33,701 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-02 12:32:33,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8388830b-81cd-4d98-ac50-0f2b44bd8b62/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:32:33,704 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8388830b-81cd-4d98-ac50-0f2b44bd8b62/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-02 12:32:33,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8388830b-81cd-4d98-ac50-0f2b44bd8b62/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-02 12:32:34,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:32:34,166 INFO L255 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-02 12:32:34,174 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:32:35,249 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 383 proven. 48 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2024-11-02 12:32:35,250 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-02 12:32:35,624 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1316802992] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-02 12:32:35,625 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-02 12:32:35,625 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 10 [2024-11-02 12:32:35,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397331708] [2024-11-02 12:32:35,626 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-02 12:32:35,627 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-02 12:32:35,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 12:32:35,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-02 12:32:35,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=216, Unknown=0, NotChecked=0, Total=272 [2024-11-02 12:32:35,628 INFO L87 Difference]: Start difference. First operand 53 states and 81 transitions. Second operand has 11 states, 11 states have (on average 3.5454545454545454) internal successors, (39), 10 states have internal predecessors, (39), 3 states have call successors, (18), 3 states have call predecessors, (18), 5 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-02 12:32:39,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:32:39,165 INFO L93 Difference]: Finished difference Result 209 states and 309 transitions. [2024-11-02 12:32:39,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-02 12:32:39,177 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.5454545454545454) internal successors, (39), 10 states have internal predecessors, (39), 3 states have call successors, (18), 3 states have call predecessors, (18), 5 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 114 [2024-11-02 12:32:39,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:32:39,180 INFO L225 Difference]: With dead ends: 209 [2024-11-02 12:32:39,180 INFO L226 Difference]: Without dead ends: 159 [2024-11-02 12:32:39,184 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 469 GetRequests, 438 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 175 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=282, Invalid=774, Unknown=0, NotChecked=0, Total=1056 [2024-11-02 12:32:39,186 INFO L432 NwaCegarLoop]: 57 mSDtfsCounter, 148 mSDsluCounter, 361 mSDsCounter, 0 mSdLazyCounter, 292 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 418 SdHoareTripleChecker+Invalid, 372 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 292 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-11-02 12:32:39,193 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 418 Invalid, 372 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 292 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-11-02 12:32:39,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2024-11-02 12:32:39,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 133. [2024-11-02 12:32:39,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 85 states have (on average 1.3647058823529412) internal successors, (116), 86 states have internal predecessors, (116), 42 states have call successors, (42), 5 states have call predecessors, (42), 5 states have return successors, (42), 41 states have call predecessors, (42), 42 states have call successors, (42) [2024-11-02 12:32:39,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 200 transitions. [2024-11-02 12:32:39,261 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 200 transitions. Word has length 114 [2024-11-02 12:32:39,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:32:39,262 INFO L471 AbstractCegarLoop]: Abstraction has 133 states and 200 transitions. [2024-11-02 12:32:39,262 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.5454545454545454) internal successors, (39), 10 states have internal predecessors, (39), 3 states have call successors, (18), 3 states have call predecessors, (18), 5 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-02 12:32:39,262 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 200 transitions. [2024-11-02 12:32:39,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-02 12:32:39,268 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:32:39,269 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:32:39,306 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8388830b-81cd-4d98-ac50-0f2b44bd8b62/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-02 12:32:39,495 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8388830b-81cd-4d98-ac50-0f2b44bd8b62/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-02 12:32:39,684 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8388830b-81cd-4d98-ac50-0f2b44bd8b62/bin/utaipan-verify-DbMuA5NWw2/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-11-02 12:32:39,874 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8388830b-81cd-4d98-ac50-0f2b44bd8b62/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8388830b-81cd-4d98-ac50-0f2b44bd8b62/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8388830b-81cd-4d98-ac50-0f2b44bd8b62/bin/utaipan-verify-DbMuA5NWw2/cvc4 --incremental --print-success --lang smt [2024-11-02 12:32:39,874 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:32:39,875 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:32:39,875 INFO L85 PathProgramCache]: Analyzing trace with hash 768054627, now seen corresponding path program 1 times [2024-11-02 12:32:39,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:32:39,876 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1552003269] [2024-11-02 12:32:39,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:32:39,876 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 [2024-11-02 12:32:39,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8388830b-81cd-4d98-ac50-0f2b44bd8b62/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:32:39,881 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8388830b-81cd-4d98-ac50-0f2b44bd8b62/bin/utaipan-verify-DbMuA5NWw2/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) [2024-11-02 12:32:39,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8388830b-81cd-4d98-ac50-0f2b44bd8b62/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-11-02 12:32:40,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:32:40,185 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-02 12:32:40,192 INFO L278 TraceCheckSpWp]: Computing forward predicates...