./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0680a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 57096758 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4ff7d7-92a0-4996-ba91-5bbfe7a5c666/bin/utaipan-mTDlp9Zugs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4ff7d7-92a0-4996-ba91-5bbfe7a5c666/bin/utaipan-mTDlp9Zugs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4ff7d7-92a0-4996-ba91-5bbfe7a5c666/bin/utaipan-mTDlp9Zugs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4ff7d7-92a0-4996-ba91-5bbfe7a5c666/bin/utaipan-mTDlp9Zugs/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0680a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4ff7d7-92a0-4996-ba91-5bbfe7a5c666/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4ff7d7-92a0-4996-ba91-5bbfe7a5c666/bin/utaipan-mTDlp9Zugs --witnessprinter.witness.filename witness.graphml --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 8f92de98b906daa7e020401396539d179eaf9b15 ................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4ff7d7-92a0-4996-ba91-5bbfe7a5c666/bin/utaipan-mTDlp9Zugs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4ff7d7-92a0-4996-ba91-5bbfe7a5c666/bin/utaipan-mTDlp9Zugs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4ff7d7-92a0-4996-ba91-5bbfe7a5c666/bin/utaipan-mTDlp9Zugs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4ff7d7-92a0-4996-ba91-5bbfe7a5c666/bin/utaipan-mTDlp9Zugs/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0680a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4ff7d7-92a0-4996-ba91-5bbfe7a5c666/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4ff7d7-92a0-4996-ba91-5bbfe7a5c666/bin/utaipan-mTDlp9Zugs --witnessprinter.witness.filename witness.graphml --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 8f92de98b906daa7e020401396539d179eaf9b15 ....................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Cannot name open terms --- Real Ultimate output --- This is Ultimate 0.2.1-dev-5709675 [2021-10-16 02:20:54,627 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 02:20:54,631 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 02:20:54,692 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-16 02:20:54,693 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-16 02:20:54,699 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-16 02:20:54,701 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-16 02:20:54,706 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-16 02:20:54,708 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-16 02:20:54,716 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-16 02:20:54,717 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-16 02:20:54,719 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-16 02:20:54,720 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 02:20:54,723 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 02:20:54,725 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 02:20:54,731 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 02:20:54,734 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 02:20:54,735 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 02:20:54,738 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 02:20:54,748 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 02:20:54,750 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 02:20:54,752 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 02:20:54,756 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 02:20:54,757 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 02:20:54,761 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-16 02:20:54,762 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-16 02:20:54,762 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-16 02:20:54,764 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-16 02:20:54,765 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-16 02:20:54,766 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-16 02:20:54,767 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-16 02:20:54,768 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-16 02:20:54,770 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-16 02:20:54,771 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-16 02:20:54,773 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-16 02:20:54,773 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-16 02:20:54,774 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-16 02:20:54,775 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-16 02:20:54,775 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 02:20:54,776 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 02:20:54,777 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 02:20:54,778 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4ff7d7-92a0-4996-ba91-5bbfe7a5c666/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-16 02:20:54,826 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 02:20:54,827 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 02:20:54,828 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-16 02:20:54,828 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-16 02:20:54,829 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-16 02:20:54,829 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-16 02:20:54,829 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-16 02:20:54,829 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-16 02:20:54,836 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-16 02:20:54,836 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-16 02:20:54,837 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-16 02:20:54,838 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-16 02:20:54,838 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-16 02:20:54,838 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-16 02:20:54,838 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-16 02:20:54,839 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 02:20:54,840 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 02:20:54,840 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-16 02:20:54,840 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 02:20:54,840 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 02:20:54,841 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 02:20:54,841 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 02:20:54,841 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 02:20:54,841 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-16 02:20:54,842 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 02:20:54,842 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 02:20:54,842 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 02:20:54,842 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 02:20:54,843 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 02:20:54,844 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 02:20:54,845 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 02:20:54,845 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 02:20:54,846 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 02:20:54,846 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 02:20:54,846 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-16 02:20:54,846 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-16 02:20:54,847 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-16 02:20:54,847 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-16 02:20:54,847 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-16 02:20:54,847 INFO L138 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_6a4ff7d7-92a0-4996-ba91-5bbfe7a5c666/bin/utaipan-mTDlp9Zugs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4ff7d7-92a0-4996-ba91-5bbfe7a5c666/bin/utaipan-mTDlp9Zugs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8f92de98b906daa7e020401396539d179eaf9b15 [2021-10-16 02:20:55,163 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 02:20:55,196 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 02:20:55,199 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 02:20:55,202 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 02:20:55,203 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 02:20:55,204 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4ff7d7-92a0-4996-ba91-5bbfe7a5c666/bin/utaipan-mTDlp9Zugs/../../sv-benchmarks/c/float-newlib/double_req_bl_0680a.c [2021-10-16 02:20:55,301 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4ff7d7-92a0-4996-ba91-5bbfe7a5c666/bin/utaipan-mTDlp9Zugs/data/f49f9e9b7/621922eae7b54c4baad384e9ba41dddd/FLAG98ae782f6 [2021-10-16 02:20:55,893 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 02:20:55,894 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4ff7d7-92a0-4996-ba91-5bbfe7a5c666/sv-benchmarks/c/float-newlib/double_req_bl_0680a.c [2021-10-16 02:20:55,914 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4ff7d7-92a0-4996-ba91-5bbfe7a5c666/bin/utaipan-mTDlp9Zugs/data/f49f9e9b7/621922eae7b54c4baad384e9ba41dddd/FLAG98ae782f6 [2021-10-16 02:20:56,229 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4ff7d7-92a0-4996-ba91-5bbfe7a5c666/bin/utaipan-mTDlp9Zugs/data/f49f9e9b7/621922eae7b54c4baad384e9ba41dddd [2021-10-16 02:20:56,231 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 02:20:56,232 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-16 02:20:56,236 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 02:20:56,236 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 02:20:56,240 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 02:20:56,241 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:20:56" (1/1) ... [2021-10-16 02:20:56,243 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73ec5f62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:20:56, skipping insertion in model container [2021-10-16 02:20:56,243 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:20:56" (1/1) ... [2021-10-16 02:20:56,251 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 02:20:56,287 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 02:20:56,556 WARN L228 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_6a4ff7d7-92a0-4996-ba91-5bbfe7a5c666/sv-benchmarks/c/float-newlib/double_req_bl_0680a.c[6165,6178] [2021-10-16 02:20:56,559 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 02:20:56,570 INFO L203 MainTranslator]: Completed pre-run [2021-10-16 02:20:56,622 WARN L228 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_6a4ff7d7-92a0-4996-ba91-5bbfe7a5c666/sv-benchmarks/c/float-newlib/double_req_bl_0680a.c[6165,6178] [2021-10-16 02:20:56,622 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 02:20:56,641 INFO L208 MainTranslator]: Completed translation [2021-10-16 02:20:56,641 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:20:56 WrapperNode [2021-10-16 02:20:56,641 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 02:20:56,643 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-16 02:20:56,643 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-16 02:20:56,643 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-16 02:20:56,654 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:20:56" (1/1) ... [2021-10-16 02:20:56,682 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:20:56" (1/1) ... [2021-10-16 02:20:56,726 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-16 02:20:56,727 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-16 02:20:56,727 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-16 02:20:56,728 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-16 02:20:56,737 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:20:56" (1/1) ... [2021-10-16 02:20:56,737 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:20:56" (1/1) ... [2021-10-16 02:20:56,744 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:20:56" (1/1) ... [2021-10-16 02:20:56,744 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:20:56" (1/1) ... [2021-10-16 02:20:56,774 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:20:56" (1/1) ... [2021-10-16 02:20:56,783 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:20:56" (1/1) ... [2021-10-16 02:20:56,791 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:20:56" (1/1) ... [2021-10-16 02:20:56,810 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-16 02:20:56,811 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-16 02:20:56,811 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-16 02:20:56,812 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-16 02:20:56,813 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:20:56" (1/1) ... [2021-10-16 02:20:56,823 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 02:20:56,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4ff7d7-92a0-4996-ba91-5bbfe7a5c666/bin/utaipan-mTDlp9Zugs/z3 [2021-10-16 02:20:56,845 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4ff7d7-92a0-4996-ba91-5bbfe7a5c666/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-16 02:20:56,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4ff7d7-92a0-4996-ba91-5bbfe7a5c666/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-16 02:20:56,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-16 02:20:56,883 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-16 02:20:56,883 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-10-16 02:20:56,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-16 02:20:56,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-10-16 02:20:56,884 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-16 02:20:56,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-16 02:20:56,884 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-16 02:20:56,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2021-10-16 02:20:56,885 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-16 02:20:58,043 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-16 02:20:58,043 INFO L299 CfgBuilder]: Removed 44 assume(true) statements. [2021-10-16 02:20:58,046 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:20:58 BoogieIcfgContainer [2021-10-16 02:20:58,047 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-16 02:20:58,049 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-16 02:20:58,049 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-16 02:20:58,056 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-16 02:20:58,056 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 02:20:56" (1/3) ... [2021-10-16 02:20:58,057 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ea210ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:20:58, skipping insertion in model container [2021-10-16 02:20:58,057 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:20:56" (2/3) ... [2021-10-16 02:20:58,058 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ea210ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:20:58, skipping insertion in model container [2021-10-16 02:20:58,058 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:20:58" (3/3) ... [2021-10-16 02:20:58,059 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0680a.c [2021-10-16 02:20:58,064 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-16 02:20:58,064 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-16 02:20:58,108 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-16 02:20:58,114 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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, mLoopAccelerationTechnique=FAST_UPR [2021-10-16 02:20:58,114 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-16 02:20:58,132 INFO L276 IsEmpty]: Start isEmpty. Operand has 82 states, 80 states have (on average 1.75) internal successors, (140), 81 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:20:58,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-16 02:20:58,138 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:20:58,138 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 02:20:58,139 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:20:58,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:20:58,145 INFO L82 PathProgramCache]: Analyzing trace with hash 382235670, now seen corresponding path program 1 times [2021-10-16 02:20:58,155 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-16 02:20:58,156 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1104893601] [2021-10-16 02:20:58,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:20:58,157 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 02:20:58,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:20:58,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:20:58,374 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-16 02:20:58,375 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1104893601] [2021-10-16 02:20:58,376 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1104893601] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 02:20:58,376 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:20:58,376 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-16 02:20:58,378 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652801088] [2021-10-16 02:20:58,383 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-16 02:20:58,383 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-16 02:20:58,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-16 02:20:58,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-16 02:20:58,400 INFO L87 Difference]: Start difference. First operand has 82 states, 80 states have (on average 1.75) internal successors, (140), 81 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:20:58,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:20:58,442 INFO L93 Difference]: Finished difference Result 163 states and 279 transitions. [2021-10-16 02:20:58,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-16 02:20:58,443 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2021-10-16 02:20:58,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:20:58,453 INFO L225 Difference]: With dead ends: 163 [2021-10-16 02:20:58,454 INFO L226 Difference]: Without dead ends: 80 [2021-10-16 02:20:58,457 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-16 02:20:58,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2021-10-16 02:20:58,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2021-10-16 02:20:58,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 79 states have (on average 1.379746835443038) internal successors, (109), 79 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:20:58,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 109 transitions. [2021-10-16 02:20:58,505 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 109 transitions. Word has length 9 [2021-10-16 02:20:58,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:20:58,505 INFO L470 AbstractCegarLoop]: Abstraction has 80 states and 109 transitions. [2021-10-16 02:20:58,505 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:20:58,506 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 109 transitions. [2021-10-16 02:20:58,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-16 02:20:58,507 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:20:58,507 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 02:20:58,507 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-16 02:20:58,507 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:20:58,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:20:58,512 INFO L82 PathProgramCache]: Analyzing trace with hash 2045881791, now seen corresponding path program 1 times [2021-10-16 02:20:58,513 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-16 02:20:58,513 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1347068041] [2021-10-16 02:20:58,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:20:58,514 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 02:20:58,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-16 02:20:58,648 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-16 02:20:58,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-16 02:20:58,792 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-10-16 02:20:58,793 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-16 02:20:58,795 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-16 02:20:58,797 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-16 02:20:58,804 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-16 02:20:58,872 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 02:20:58 BoogieIcfgContainer [2021-10-16 02:20:58,873 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-16 02:20:58,874 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-16 02:20:58,874 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-16 02:20:58,875 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-16 02:20:58,875 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:20:58" (3/4) ... [2021-10-16 02:20:58,878 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-16 02:20:58,878 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-16 02:20:58,881 INFO L168 Benchmark]: Toolchain (without parser) took 2647.10 ms. Allocated memory was 102.8 MB in the beginning and 136.3 MB in the end (delta: 33.6 MB). Free memory was 69.1 MB in the beginning and 93.8 MB in the end (delta: -24.7 MB). Peak memory consumption was 9.2 MB. Max. memory is 16.1 GB. [2021-10-16 02:20:58,882 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 102.8 MB. Free memory is still 56.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 02:20:58,883 INFO L168 Benchmark]: CACSL2BoogieTranslator took 406.29 ms. Allocated memory is still 102.8 MB. Free memory was 68.9 MB in the beginning and 72.9 MB in the end (delta: -4.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-16 02:20:58,886 INFO L168 Benchmark]: Boogie Procedure Inliner took 83.93 ms. Allocated memory is still 102.8 MB. Free memory was 72.9 MB in the beginning and 69.5 MB in the end (delta: 3.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-16 02:20:58,891 INFO L168 Benchmark]: Boogie Preprocessor took 83.20 ms. Allocated memory is still 102.8 MB. Free memory was 69.5 MB in the beginning and 66.6 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-16 02:20:58,892 INFO L168 Benchmark]: RCFGBuilder took 1235.75 ms. Allocated memory was 102.8 MB in the beginning and 136.3 MB in the end (delta: 33.6 MB). Free memory was 66.2 MB in the beginning and 89.3 MB in the end (delta: -23.1 MB). Peak memory consumption was 25.5 MB. Max. memory is 16.1 GB. [2021-10-16 02:20:58,893 INFO L168 Benchmark]: TraceAbstraction took 824.48 ms. Allocated memory is still 136.3 MB. Free memory was 89.3 MB in the beginning and 94.8 MB in the end (delta: -5.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 02:20:58,893 INFO L168 Benchmark]: Witness Printer took 4.46 ms. Allocated memory is still 136.3 MB. Free memory was 94.8 MB in the beginning and 93.8 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-16 02:20:58,902 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 102.8 MB. Free memory is still 56.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 406.29 ms. Allocated memory is still 102.8 MB. Free memory was 68.9 MB in the beginning and 72.9 MB in the end (delta: -4.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 83.93 ms. Allocated memory is still 102.8 MB. Free memory was 72.9 MB in the beginning and 69.5 MB in the end (delta: 3.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 83.20 ms. Allocated memory is still 102.8 MB. Free memory was 69.5 MB in the beginning and 66.6 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1235.75 ms. Allocated memory was 102.8 MB in the beginning and 136.3 MB in the end (delta: 33.6 MB). Free memory was 66.2 MB in the beginning and 89.3 MB in the end (delta: -23.1 MB). Peak memory consumption was 25.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 824.48 ms. Allocated memory is still 136.3 MB. Free memory was 89.3 MB in the beginning and 94.8 MB in the end (delta: -5.5 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 4.46 ms. Allocated memory is still 136.3 MB. Free memory was 94.8 MB in the beginning and 93.8 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 259]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 164, overapproximation of someUnaryDOUBLEoperation at line 54, overapproximation of bitwiseAnd at line 162, overapproximation of someBinaryArithmeticDOUBLEoperation at line 165, overapproximation of someBinaryDOUBLEComparisonOperation at line 258. Possible FailurePath: [L39-L44] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L46-L51] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L53-L60] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L62-L64] static const double one_atan = 1.0, pi_o_4 = 7.8539816339744827900E-01, pi_o_2 = 1.5707963267948965580E+00, pi = 3.1415926535897931160E+00, huge_atan = 1.0e300; [L141-L142] static const double tiny_atan2 = 1.0e-300, zero_atan2 = 0.0, pi_lo_atan2 = 1.2246467991473531772E-16; [L253] double x = -0.0; [L254] double y = -0.0; [L145] double z; [L146] __int32_t k, m, hx, hy, ix, iy; [L147] __uint32_t lx, ly; VAL [aT_atan={5:0}, atanhi_atan={10:0}, atanlo_atan={11:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L150] ieee_double_shape_type ew_u; [L151] ew_u.value = (x) [L152] EXPR ew_u.parts.msw [L152] (hx) = ew_u.parts.msw [L153] EXPR ew_u.parts.lsw [L153] (lx) = ew_u.parts.lsw [L155] ix = hx & 0x7fffffff VAL [aT_atan={5:0}, atanhi_atan={10:0}, atanlo_atan={11:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L157] ieee_double_shape_type ew_u; [L158] ew_u.value = (y) [L159] EXPR ew_u.parts.msw [L159] (hy) = ew_u.parts.msw [L160] EXPR ew_u.parts.lsw [L160] (ly) = ew_u.parts.lsw [L162] iy = hy & 0x7fffffff VAL [aT_atan={5:0}, atanhi_atan={10:0}, atanlo_atan={11:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L163-L164] COND TRUE ((ix | ((lx | -lx) >> 31)) > 0x7ff00000) || ((iy | ((ly | -ly) >> 31)) > 0x7ff00000) [L165] return x + y; VAL [aT_atan={5:0}, atanhi_atan={10:0}, atanlo_atan={11:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L256] double res = __ieee754_atan2(y, x); [L258] COND TRUE res != -pi VAL [aT_atan={5:0}, atanhi_atan={10:0}, atanlo_atan={11:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L259] reach_error() VAL [aT_atan={5:0}, atanhi_atan={10:0}, atanlo_atan={11:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 82 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 695.2ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 11.0ms, AutomataDifference: 72.9ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 13.2ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 111 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=82occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 32.9ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 17.7ms SsaConstructionTime, 172.0ms SatisfiabilityAnalysisTime, 82.3ms InterpolantComputationTime, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 8 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 [2021-10-16 02:20:58,965 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4ff7d7-92a0-4996-ba91-5bbfe7a5c666/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-5709675 [2021-10-16 02:21:01,459 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 02:21:01,462 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 02:21:01,493 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-16 02:21:01,495 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-16 02:21:01,497 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-16 02:21:01,500 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-16 02:21:01,506 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-16 02:21:01,509 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-16 02:21:01,511 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-16 02:21:01,512 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-16 02:21:01,514 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-16 02:21:01,515 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 02:21:01,516 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 02:21:01,518 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 02:21:01,519 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 02:21:01,521 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 02:21:01,522 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 02:21:01,525 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 02:21:01,527 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 02:21:01,529 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 02:21:01,531 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 02:21:01,533 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 02:21:01,534 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 02:21:01,538 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-16 02:21:01,539 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-16 02:21:01,539 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-16 02:21:01,540 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-16 02:21:01,541 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-16 02:21:01,542 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-16 02:21:01,543 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-16 02:21:01,544 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-16 02:21:01,545 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-16 02:21:01,546 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-16 02:21:01,547 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-16 02:21:01,548 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-16 02:21:01,549 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-16 02:21:01,549 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-16 02:21:01,549 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 02:21:01,550 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 02:21:01,551 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 02:21:01,552 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4ff7d7-92a0-4996-ba91-5bbfe7a5c666/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-16 02:21:01,591 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 02:21:01,592 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 02:21:01,593 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-16 02:21:01,594 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-16 02:21:01,594 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-16 02:21:01,594 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-16 02:21:01,597 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-16 02:21:01,597 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-16 02:21:01,598 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-16 02:21:01,600 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 02:21:01,601 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 02:21:01,602 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 02:21:01,602 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 02:21:01,602 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 02:21:01,602 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 02:21:01,603 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 02:21:01,603 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-16 02:21:01,603 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-16 02:21:01,603 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-16 02:21:01,604 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 02:21:01,604 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 02:21:01,604 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 02:21:01,604 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 02:21:01,605 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 02:21:01,605 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-16 02:21:01,605 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 02:21:01,605 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 02:21:01,605 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 02:21:01,606 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 02:21:01,606 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 02:21:01,606 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-16 02:21:01,606 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-16 02:21:01,607 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-16 02:21:01,607 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-16 02:21:01,607 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-16 02:21:01,607 INFO L138 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_6a4ff7d7-92a0-4996-ba91-5bbfe7a5c666/bin/utaipan-mTDlp9Zugs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4ff7d7-92a0-4996-ba91-5bbfe7a5c666/bin/utaipan-mTDlp9Zugs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8f92de98b906daa7e020401396539d179eaf9b15 [2021-10-16 02:21:02,011 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 02:21:02,033 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 02:21:02,036 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 02:21:02,037 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 02:21:02,038 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 02:21:02,039 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4ff7d7-92a0-4996-ba91-5bbfe7a5c666/bin/utaipan-mTDlp9Zugs/../../sv-benchmarks/c/float-newlib/double_req_bl_0680a.c [2021-10-16 02:21:02,121 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4ff7d7-92a0-4996-ba91-5bbfe7a5c666/bin/utaipan-mTDlp9Zugs/data/54731ebfa/acd925e7496841f1a36a96d31b48f4e7/FLAGa0598f040 [2021-10-16 02:21:02,766 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 02:21:02,767 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4ff7d7-92a0-4996-ba91-5bbfe7a5c666/sv-benchmarks/c/float-newlib/double_req_bl_0680a.c [2021-10-16 02:21:02,780 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4ff7d7-92a0-4996-ba91-5bbfe7a5c666/bin/utaipan-mTDlp9Zugs/data/54731ebfa/acd925e7496841f1a36a96d31b48f4e7/FLAGa0598f040 [2021-10-16 02:21:03,087 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4ff7d7-92a0-4996-ba91-5bbfe7a5c666/bin/utaipan-mTDlp9Zugs/data/54731ebfa/acd925e7496841f1a36a96d31b48f4e7 [2021-10-16 02:21:03,090 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 02:21:03,092 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-16 02:21:03,093 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 02:21:03,093 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 02:21:03,097 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 02:21:03,098 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:21:03" (1/1) ... [2021-10-16 02:21:03,099 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62c2b8f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:21:03, skipping insertion in model container [2021-10-16 02:21:03,099 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:21:03" (1/1) ... [2021-10-16 02:21:03,107 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 02:21:03,142 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 02:21:03,473 WARN L228 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_6a4ff7d7-92a0-4996-ba91-5bbfe7a5c666/sv-benchmarks/c/float-newlib/double_req_bl_0680a.c[6165,6178] [2021-10-16 02:21:03,478 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 02:21:03,522 INFO L203 MainTranslator]: Completed pre-run [2021-10-16 02:21:03,631 WARN L228 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_6a4ff7d7-92a0-4996-ba91-5bbfe7a5c666/sv-benchmarks/c/float-newlib/double_req_bl_0680a.c[6165,6178] [2021-10-16 02:21:03,632 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 02:21:03,665 INFO L208 MainTranslator]: Completed translation [2021-10-16 02:21:03,666 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:21:03 WrapperNode [2021-10-16 02:21:03,666 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 02:21:03,667 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-16 02:21:03,667 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-16 02:21:03,668 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-16 02:21:03,675 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:21:03" (1/1) ... [2021-10-16 02:21:03,693 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:21:03" (1/1) ... [2021-10-16 02:21:03,741 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-16 02:21:03,742 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-16 02:21:03,742 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-16 02:21:03,742 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-16 02:21:03,762 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:21:03" (1/1) ... [2021-10-16 02:21:03,762 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:21:03" (1/1) ... [2021-10-16 02:21:03,770 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:21:03" (1/1) ... [2021-10-16 02:21:03,771 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:21:03" (1/1) ... [2021-10-16 02:21:03,834 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:21:03" (1/1) ... [2021-10-16 02:21:03,843 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:21:03" (1/1) ... [2021-10-16 02:21:03,852 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:21:03" (1/1) ... [2021-10-16 02:21:03,866 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-16 02:21:03,867 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-16 02:21:03,867 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-16 02:21:03,867 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-16 02:21:03,868 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:21:03" (1/1) ... [2021-10-16 02:21:03,874 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 02:21:03,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4ff7d7-92a0-4996-ba91-5bbfe7a5c666/bin/utaipan-mTDlp9Zugs/z3 [2021-10-16 02:21:03,898 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4ff7d7-92a0-4996-ba91-5bbfe7a5c666/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-16 02:21:03,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4ff7d7-92a0-4996-ba91-5bbfe7a5c666/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-16 02:21:03,963 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2021-10-16 02:21:03,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2021-10-16 02:21:03,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-16 02:21:03,964 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-16 02:21:03,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2021-10-16 02:21:03,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-16 02:21:03,964 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-16 02:21:03,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-16 02:21:03,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-16 02:21:03,965 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-16 02:21:44,234 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-16 02:21:44,234 INFO L299 CfgBuilder]: Removed 44 assume(true) statements. [2021-10-16 02:21:44,237 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:21:44 BoogieIcfgContainer [2021-10-16 02:21:44,237 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-16 02:21:44,239 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-16 02:21:44,239 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-16 02:21:44,242 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-16 02:21:44,242 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 02:21:03" (1/3) ... [2021-10-16 02:21:44,243 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7eb97ba6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:21:44, skipping insertion in model container [2021-10-16 02:21:44,244 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:21:03" (2/3) ... [2021-10-16 02:21:44,244 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7eb97ba6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:21:44, skipping insertion in model container [2021-10-16 02:21:44,244 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:21:44" (3/3) ... [2021-10-16 02:21:44,245 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0680a.c [2021-10-16 02:21:44,252 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-16 02:21:44,252 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-16 02:21:44,324 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-16 02:21:44,334 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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, mLoopAccelerationTechnique=FAST_UPR [2021-10-16 02:21:44,334 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-16 02:21:44,354 INFO L276 IsEmpty]: Start isEmpty. Operand has 113 states, 111 states have (on average 1.7117117117117118) internal successors, (190), 112 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:21:44,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-16 02:21:44,363 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:21:44,363 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 02:21:44,364 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:21:44,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:21:44,370 INFO L82 PathProgramCache]: Analyzing trace with hash 1264059097, now seen corresponding path program 1 times [2021-10-16 02:21:44,386 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:21:44,387 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1649320876] [2021-10-16 02:21:44,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:21:44,388 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:21:44,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4ff7d7-92a0-4996-ba91-5bbfe7a5c666/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:21:44,391 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4ff7d7-92a0-4996-ba91-5bbfe7a5c666/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:21:44,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4ff7d7-92a0-4996-ba91-5bbfe7a5c666/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-16 02:21:44,535 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4ff7d7-92a0-4996-ba91-5bbfe7a5c666/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-16 02:21:44,728 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4ff7d7-92a0-4996-ba91-5bbfe7a5c666/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 02:21:44,730 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Cannot name open terms at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:232) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:90) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:132) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:211) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:608) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:53) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:392) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Cannot name open terms at de.uni_freiburg.informatik.ultimate.logic.NoopScript.annotate(NoopScript.java:577) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.annotate(WrapperScript.java:282) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.annotate(WrapperScript.java:282) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.AnnotateAndAssertCodeBlocks.annotateAndAssertTerm(AnnotateAndAssertCodeBlocks.java:192) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.AnnotateAndAssertConjunctsOfCodeBlocks.annotateAndAssertTerm(AnnotateAndAssertConjunctsOfCodeBlocks.java:238) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.AnnotateAndAssertConjunctsOfCodeBlocks.annotateAndAssertConjuncts(AnnotateAndAssertConjunctsOfCodeBlocks.java:135) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.AnnotateAndAssertConjunctsOfCodeBlocks.annotateAndAssertNonCall(AnnotateAndAssertConjunctsOfCodeBlocks.java:184) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.AnnotateAndAsserter.buildAnnotatedSsaAndAssertTerms(AnnotateAndAsserter.java:101) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.checkTrace(TraceCheck.java:312) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:211) ... 31 more [2021-10-16 02:21:44,735 INFO L168 Benchmark]: Toolchain (without parser) took 41641.90 ms. Allocated memory was 77.6 MB in the beginning and 96.5 MB in the end (delta: 18.9 MB). Free memory was 59.6 MB in the beginning and 72.8 MB in the end (delta: -13.2 MB). Peak memory consumption was 4.3 MB. Max. memory is 16.1 GB. [2021-10-16 02:21:44,735 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 77.6 MB. Free memory was 57.9 MB in the beginning and 57.8 MB in the end (delta: 60.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 02:21:44,736 INFO L168 Benchmark]: CACSL2BoogieTranslator took 573.36 ms. Allocated memory is still 77.6 MB. Free memory was 59.4 MB in the beginning and 55.3 MB in the end (delta: 4.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-16 02:21:44,742 INFO L168 Benchmark]: Boogie Procedure Inliner took 73.96 ms. Allocated memory is still 77.6 MB. Free memory was 55.3 MB in the beginning and 51.7 MB in the end (delta: 3.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-16 02:21:44,743 INFO L168 Benchmark]: Boogie Preprocessor took 124.19 ms. Allocated memory is still 77.6 MB. Free memory was 51.7 MB in the beginning and 48.3 MB in the end (delta: 3.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-16 02:21:44,745 INFO L168 Benchmark]: RCFGBuilder took 40370.41 ms. Allocated memory is still 77.6 MB. Free memory was 48.3 MB in the beginning and 39.4 MB in the end (delta: 8.9 MB). Peak memory consumption was 26.5 MB. Max. memory is 16.1 GB. [2021-10-16 02:21:44,746 INFO L168 Benchmark]: TraceAbstraction took 494.04 ms. Allocated memory was 77.6 MB in the beginning and 96.5 MB in the end (delta: 18.9 MB). Free memory was 38.8 MB in the beginning and 72.8 MB in the end (delta: -34.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 02:21:44,753 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 77.6 MB. Free memory was 57.9 MB in the beginning and 57.8 MB in the end (delta: 60.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 573.36 ms. Allocated memory is still 77.6 MB. Free memory was 59.4 MB in the beginning and 55.3 MB in the end (delta: 4.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 73.96 ms. Allocated memory is still 77.6 MB. Free memory was 55.3 MB in the beginning and 51.7 MB in the end (delta: 3.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 124.19 ms. Allocated memory is still 77.6 MB. Free memory was 51.7 MB in the beginning and 48.3 MB in the end (delta: 3.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 40370.41 ms. Allocated memory is still 77.6 MB. Free memory was 48.3 MB in the beginning and 39.4 MB in the end (delta: 8.9 MB). Peak memory consumption was 26.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 494.04 ms. Allocated memory was 77.6 MB in the beginning and 96.5 MB in the end (delta: 18.9 MB). Free memory was 38.8 MB in the beginning and 72.8 MB in the end (delta: -34.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Cannot name open terms de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Cannot name open terms: de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:232) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-10-16 02:21:44,997 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4ff7d7-92a0-4996-ba91-5bbfe7a5c666/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2021-10-16 02:21:45,071 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4ff7d7-92a0-4996-ba91-5bbfe7a5c666/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 Received shutdown request...