./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1032a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 38b53e6a 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_d5fe2e20-36c2-4bc0-bfd6-6c1e674eb1bd/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5fe2e20-36c2-4bc0-bfd6-6c1e674eb1bd/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5fe2e20-36c2-4bc0-bfd6-6c1e674eb1bd/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5fe2e20-36c2-4bc0-bfd6-6c1e674eb1bd/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1032a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5fe2e20-36c2-4bc0-bfd6-6c1e674eb1bd/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5fe2e20-36c2-4bc0-bfd6-6c1e674eb1bd/bin/uautomizer-ZsLfNo2U6R --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d4dfd0c51c81284345e5d6ac5423c9a25c50963a25059bb5410623e01e53b24e --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-25 17:25:26,667 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 17:25:26,670 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 17:25:26,690 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 17:25:26,690 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 17:25:26,698 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 17:25:26,700 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 17:25:26,704 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 17:25:26,706 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 17:25:26,713 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 17:25:26,715 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 17:25:26,716 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 17:25:26,717 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 17:25:26,719 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 17:25:26,721 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 17:25:26,723 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 17:25:26,724 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 17:25:26,725 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 17:25:26,728 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 17:25:26,733 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 17:25:26,735 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 17:25:26,738 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 17:25:26,739 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 17:25:26,740 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 17:25:26,746 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 17:25:26,747 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 17:25:26,747 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 17:25:26,749 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 17:25:26,750 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 17:25:26,751 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 17:25:26,751 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 17:25:26,752 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 17:25:26,753 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 17:25:26,755 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 17:25:26,756 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 17:25:26,756 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 17:25:26,757 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 17:25:26,757 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 17:25:26,757 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 17:25:26,759 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 17:25:26,760 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 17:25:26,760 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5fe2e20-36c2-4bc0-bfd6-6c1e674eb1bd/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-25 17:25:26,782 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 17:25:26,782 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 17:25:26,783 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 17:25:26,783 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 17:25:26,783 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 17:25:26,784 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 17:25:26,784 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 17:25:26,785 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 17:25:26,785 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 17:25:26,785 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 17:25:26,785 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 17:25:26,786 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 17:25:26,786 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 17:25:26,786 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 17:25:26,786 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 17:25:26,786 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 17:25:26,787 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 17:25:26,787 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 17:25:26,787 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 17:25:26,787 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 17:25:26,787 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 17:25:26,788 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 17:25:26,788 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 17:25:26,788 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 17:25:26,788 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:25:26,789 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 17:25:26,789 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 17:25:26,789 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 17:25:26,789 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 17:25:26,789 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 17:25:26,790 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 17:25:26,790 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 17:25:26,790 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 17:25:26,790 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 17:25:26,791 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_d5fe2e20-36c2-4bc0-bfd6-6c1e674eb1bd/bin/uautomizer-ZsLfNo2U6R/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5fe2e20-36c2-4bc0-bfd6-6c1e674eb1bd/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d4dfd0c51c81284345e5d6ac5423c9a25c50963a25059bb5410623e01e53b24e [2022-11-25 17:25:27,102 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 17:25:27,144 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 17:25:27,147 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 17:25:27,148 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 17:25:27,149 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 17:25:27,150 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5fe2e20-36c2-4bc0-bfd6-6c1e674eb1bd/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/float-newlib/float_req_bl_1032a.c [2022-11-25 17:25:30,307 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 17:25:30,576 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 17:25:30,577 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5fe2e20-36c2-4bc0-bfd6-6c1e674eb1bd/sv-benchmarks/c/float-newlib/float_req_bl_1032a.c [2022-11-25 17:25:30,585 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5fe2e20-36c2-4bc0-bfd6-6c1e674eb1bd/bin/uautomizer-ZsLfNo2U6R/data/f86719b67/7e40e040045f4a9b8cd4b64ae6f53e85/FLAGf2bf8deaf [2022-11-25 17:25:30,618 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5fe2e20-36c2-4bc0-bfd6-6c1e674eb1bd/bin/uautomizer-ZsLfNo2U6R/data/f86719b67/7e40e040045f4a9b8cd4b64ae6f53e85 [2022-11-25 17:25:30,621 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 17:25:30,624 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 17:25:30,625 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 17:25:30,626 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 17:25:30,643 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 17:25:30,643 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:25:30" (1/1) ... [2022-11-25 17:25:30,645 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c997fb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:25:30, skipping insertion in model container [2022-11-25 17:25:30,645 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:25:30" (1/1) ... [2022-11-25 17:25:30,653 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 17:25:30,708 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 17:25:30,975 WARN L237 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_d5fe2e20-36c2-4bc0-bfd6-6c1e674eb1bd/sv-benchmarks/c/float-newlib/float_req_bl_1032a.c[1751,1764] [2022-11-25 17:25:30,980 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:25:30,997 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 17:25:31,025 WARN L237 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_d5fe2e20-36c2-4bc0-bfd6-6c1e674eb1bd/sv-benchmarks/c/float-newlib/float_req_bl_1032a.c[1751,1764] [2022-11-25 17:25:31,025 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:25:31,041 INFO L208 MainTranslator]: Completed translation [2022-11-25 17:25:31,041 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:25:31 WrapperNode [2022-11-25 17:25:31,041 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 17:25:31,043 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 17:25:31,043 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 17:25:31,043 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 17:25:31,051 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:25:31" (1/1) ... [2022-11-25 17:25:31,060 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:25:31" (1/1) ... [2022-11-25 17:25:31,083 INFO L138 Inliner]: procedures = 17, calls = 21, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 88 [2022-11-25 17:25:31,084 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 17:25:31,085 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 17:25:31,085 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 17:25:31,085 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 17:25:31,097 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:25:31" (1/1) ... [2022-11-25 17:25:31,097 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:25:31" (1/1) ... [2022-11-25 17:25:31,099 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:25:31" (1/1) ... [2022-11-25 17:25:31,100 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:25:31" (1/1) ... [2022-11-25 17:25:31,107 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:25:31" (1/1) ... [2022-11-25 17:25:31,112 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:25:31" (1/1) ... [2022-11-25 17:25:31,118 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:25:31" (1/1) ... [2022-11-25 17:25:31,120 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:25:31" (1/1) ... [2022-11-25 17:25:31,122 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 17:25:31,123 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 17:25:31,123 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 17:25:31,124 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 17:25:31,125 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:25:31" (1/1) ... [2022-11-25 17:25:31,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:25:31,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5fe2e20-36c2-4bc0-bfd6-6c1e674eb1bd/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:25:31,164 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5fe2e20-36c2-4bc0-bfd6-6c1e674eb1bd/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 17:25:31,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5fe2e20-36c2-4bc0-bfd6-6c1e674eb1bd/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 17:25:31,215 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 17:25:31,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 17:25:31,216 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 17:25:31,216 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-11-25 17:25:31,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 17:25:31,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2022-11-25 17:25:31,216 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 17:25:31,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 17:25:31,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 17:25:31,217 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 17:25:31,326 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 17:25:31,328 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 17:25:31,627 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 17:25:31,633 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 17:25:31,634 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-11-25 17:25:31,636 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:25:31 BoogieIcfgContainer [2022-11-25 17:25:31,636 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 17:25:31,639 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 17:25:31,640 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 17:25:31,662 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 17:25:31,663 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 05:25:30" (1/3) ... [2022-11-25 17:25:31,664 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e8c5fa4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:25:31, skipping insertion in model container [2022-11-25 17:25:31,664 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:25:31" (2/3) ... [2022-11-25 17:25:31,664 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e8c5fa4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:25:31, skipping insertion in model container [2022-11-25 17:25:31,665 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:25:31" (3/3) ... [2022-11-25 17:25:31,666 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1032a.c [2022-11-25 17:25:31,705 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 17:25:31,706 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-25 17:25:31,779 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 17:25:31,789 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6c8d8e79, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 17:25:31,790 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-25 17:25:31,794 INFO L276 IsEmpty]: Start isEmpty. Operand has 25 states, 23 states have (on average 1.608695652173913) internal successors, (37), 24 states have internal predecessors, (37), 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) [2022-11-25 17:25:31,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-25 17:25:31,805 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:25:31,806 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:25:31,807 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:25:31,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:25:31,814 INFO L85 PathProgramCache]: Analyzing trace with hash 1590452317, now seen corresponding path program 1 times [2022-11-25 17:25:31,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:25:31,826 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [769226311] [2022-11-25 17:25:31,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:25:31,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:25:31,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:25:32,018 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:25:32,019 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:25:32,020 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [769226311] [2022-11-25 17:25:32,020 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [769226311] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:25:32,021 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:25:32,021 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 17:25:32,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880131284] [2022-11-25 17:25:32,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:25:32,030 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-25 17:25:32,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:25:32,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-25 17:25:32,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-25 17:25:32,081 INFO L87 Difference]: Start difference. First operand has 25 states, 23 states have (on average 1.608695652173913) internal successors, (37), 24 states have internal predecessors, (37), 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 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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) [2022-11-25 17:25:32,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:25:32,110 INFO L93 Difference]: Finished difference Result 48 states and 72 transitions. [2022-11-25 17:25:32,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 17:25:32,113 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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 10 [2022-11-25 17:25:32,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:25:32,126 INFO L225 Difference]: With dead ends: 48 [2022-11-25 17:25:32,126 INFO L226 Difference]: Without dead ends: 22 [2022-11-25 17:25:32,133 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-25 17:25:32,139 INFO L413 NwaCegarLoop]: 30 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, 30 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 [2022-11-25 17:25:32,143 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 17:25:32,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2022-11-25 17:25:32,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2022-11-25 17:25:32,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 21 states have (on average 1.2857142857142858) internal successors, (27), 21 states have internal predecessors, (27), 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) [2022-11-25 17:25:32,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 27 transitions. [2022-11-25 17:25:32,193 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 27 transitions. Word has length 10 [2022-11-25 17:25:32,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:25:32,195 INFO L495 AbstractCegarLoop]: Abstraction has 22 states and 27 transitions. [2022-11-25 17:25:32,195 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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) [2022-11-25 17:25:32,196 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2022-11-25 17:25:32,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-25 17:25:32,197 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:25:32,197 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:25:32,198 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 17:25:32,198 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:25:32,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:25:32,199 INFO L85 PathProgramCache]: Analyzing trace with hash -744854880, now seen corresponding path program 1 times [2022-11-25 17:25:32,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:25:32,200 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2022440448] [2022-11-25 17:25:32,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:25:32,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:25:32,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:25:32,317 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 17:25:32,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:25:32,383 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 17:25:32,383 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-11-25 17:25:32,385 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-25 17:25:32,387 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 17:25:32,391 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-25 17:25:32,395 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 17:25:32,421 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 05:25:32 BoogieIcfgContainer [2022-11-25 17:25:32,421 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 17:25:32,422 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 17:25:32,422 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 17:25:32,422 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 17:25:32,423 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:25:31" (3/4) ... [2022-11-25 17:25:32,426 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-25 17:25:32,427 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 17:25:32,428 INFO L158 Benchmark]: Toolchain (without parser) took 1803.75ms. Allocated memory is still 159.4MB. Free memory was 133.3MB in the beginning and 77.6MB in the end (delta: 55.8MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. [2022-11-25 17:25:32,428 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 113.2MB. Free memory was 81.6MB in the beginning and 81.5MB in the end (delta: 76.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 17:25:32,429 INFO L158 Benchmark]: CACSL2BoogieTranslator took 416.50ms. Allocated memory is still 159.4MB. Free memory was 133.3MB in the beginning and 121.9MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-25 17:25:32,430 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.36ms. Allocated memory is still 159.4MB. Free memory was 121.9MB in the beginning and 120.7MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 17:25:32,430 INFO L158 Benchmark]: Boogie Preprocessor took 37.86ms. Allocated memory is still 159.4MB. Free memory was 120.7MB in the beginning and 118.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 17:25:32,431 INFO L158 Benchmark]: RCFGBuilder took 513.29ms. Allocated memory is still 159.4MB. Free memory was 118.6MB in the beginning and 105.2MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-25 17:25:32,432 INFO L158 Benchmark]: TraceAbstraction took 781.73ms. Allocated memory is still 159.4MB. Free memory was 104.8MB in the beginning and 77.9MB in the end (delta: 26.9MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-11-25 17:25:32,432 INFO L158 Benchmark]: Witness Printer took 5.20ms. Allocated memory is still 159.4MB. Free memory was 77.9MB in the beginning and 77.6MB in the end (delta: 343.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 17:25:32,436 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 113.2MB. Free memory was 81.6MB in the beginning and 81.5MB in the end (delta: 76.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 416.50ms. Allocated memory is still 159.4MB. Free memory was 133.3MB in the beginning and 121.9MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.36ms. Allocated memory is still 159.4MB. Free memory was 121.9MB in the beginning and 120.7MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.86ms. Allocated memory is still 159.4MB. Free memory was 120.7MB in the beginning and 118.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 513.29ms. Allocated memory is still 159.4MB. Free memory was 118.6MB in the beginning and 105.2MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 781.73ms. Allocated memory is still 159.4MB. Free memory was 104.8MB in the beginning and 77.9MB in the end (delta: 26.9MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Witness Printer took 5.20ms. Allocated memory is still 159.4MB. Free memory was 77.9MB in the beginning and 77.6MB in the end (delta: 343.8kB). 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: 82]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 81, overapproximation of bitwiseAnd at line 25, overapproximation of someBinaryArithmeticFLOAToperation at line 45. Possible FailurePath: [L77] float x = 0.0f; [L78] CALL, EXPR round_float(x) [L15] __uint32_t w; [L17] int exponent_less_127; VAL [\old(x)=0, x=0] [L20] ieee_float_shape_type gf_u; [L21] gf_u.value = (x) [L22] EXPR gf_u.word [L22] (w) = gf_u.word [L25] exponent_less_127 = (int)((w & 0x7f800000) >> 23) - 127 VAL [\old(x)=0, exponent_less_127=128, w=6, x=0] [L27] COND FALSE !(exponent_less_127 < 23) VAL [\old(x)=0, exponent_less_127=128, w=6, x=0] [L43] COND TRUE exponent_less_127 == 128 [L45] return x + x; VAL [\old(x)=0, exponent_less_127=128, w=6, x=0] [L78] RET, EXPR round_float(x) [L78] float res = round_float(x); [L81] EXPR res == 0.0f && __signbit_float(res) == 0 VAL [res=36028799158059016, res == 0.0f && __signbit_float(res) == 0=0, x=0] [L81] COND TRUE !(res == 0.0f && __signbit_float(res) == 0) [L82] reach_error() VAL [res=36028799158059016, x=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 25 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 30 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 30 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=25occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 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 [2022-11-25 17:25:32,464 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5fe2e20-36c2-4bc0-bfd6-6c1e674eb1bd/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5fe2e20-36c2-4bc0-bfd6-6c1e674eb1bd/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5fe2e20-36c2-4bc0-bfd6-6c1e674eb1bd/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5fe2e20-36c2-4bc0-bfd6-6c1e674eb1bd/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5fe2e20-36c2-4bc0-bfd6-6c1e674eb1bd/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1032a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5fe2e20-36c2-4bc0-bfd6-6c1e674eb1bd/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5fe2e20-36c2-4bc0-bfd6-6c1e674eb1bd/bin/uautomizer-ZsLfNo2U6R --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d4dfd0c51c81284345e5d6ac5423c9a25c50963a25059bb5410623e01e53b24e --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-25 17:25:35,190 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 17:25:35,192 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 17:25:35,236 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 17:25:35,237 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 17:25:35,241 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 17:25:35,244 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 17:25:35,248 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 17:25:35,251 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 17:25:35,257 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 17:25:35,258 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 17:25:35,261 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 17:25:35,262 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 17:25:35,265 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 17:25:35,268 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 17:25:35,274 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 17:25:35,275 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 17:25:35,276 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 17:25:35,278 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 17:25:35,279 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 17:25:35,281 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 17:25:35,288 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 17:25:35,290 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 17:25:35,290 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 17:25:35,294 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 17:25:35,294 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 17:25:35,294 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 17:25:35,295 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 17:25:35,296 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 17:25:35,297 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 17:25:35,297 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 17:25:35,298 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 17:25:35,299 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 17:25:35,300 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 17:25:35,321 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 17:25:35,321 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 17:25:35,322 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 17:25:35,323 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 17:25:35,323 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 17:25:35,324 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 17:25:35,325 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 17:25:35,327 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5fe2e20-36c2-4bc0-bfd6-6c1e674eb1bd/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2022-11-25 17:25:35,360 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 17:25:35,360 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 17:25:35,361 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 17:25:35,361 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 17:25:35,362 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 17:25:35,362 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 17:25:35,363 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 17:25:35,363 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 17:25:35,363 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 17:25:35,364 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 17:25:35,365 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 17:25:35,365 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 17:25:35,365 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 17:25:35,365 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 17:25:35,366 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 17:25:35,366 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 17:25:35,366 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-25 17:25:35,366 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-25 17:25:35,366 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-25 17:25:35,367 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 17:25:35,367 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 17:25:35,367 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 17:25:35,367 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 17:25:35,368 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 17:25:35,368 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 17:25:35,368 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 17:25:35,368 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:25:35,369 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 17:25:35,369 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 17:25:35,369 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 17:25:35,369 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-25 17:25:35,369 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-25 17:25:35,370 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 17:25:35,370 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 17:25:35,370 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 17:25:35,370 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 17:25:35,371 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-11-25 17:25:35,371 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_d5fe2e20-36c2-4bc0-bfd6-6c1e674eb1bd/bin/uautomizer-ZsLfNo2U6R/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5fe2e20-36c2-4bc0-bfd6-6c1e674eb1bd/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d4dfd0c51c81284345e5d6ac5423c9a25c50963a25059bb5410623e01e53b24e [2022-11-25 17:25:35,824 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 17:25:35,850 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 17:25:35,853 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 17:25:35,855 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 17:25:35,855 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 17:25:35,856 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5fe2e20-36c2-4bc0-bfd6-6c1e674eb1bd/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/float-newlib/float_req_bl_1032a.c [2022-11-25 17:25:38,966 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 17:25:39,155 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 17:25:39,156 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5fe2e20-36c2-4bc0-bfd6-6c1e674eb1bd/sv-benchmarks/c/float-newlib/float_req_bl_1032a.c [2022-11-25 17:25:39,162 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5fe2e20-36c2-4bc0-bfd6-6c1e674eb1bd/bin/uautomizer-ZsLfNo2U6R/data/ea486a8a7/2fbe3c857f03478dbf898f603d753295/FLAG06d368c95 [2022-11-25 17:25:39,180 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5fe2e20-36c2-4bc0-bfd6-6c1e674eb1bd/bin/uautomizer-ZsLfNo2U6R/data/ea486a8a7/2fbe3c857f03478dbf898f603d753295 [2022-11-25 17:25:39,183 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 17:25:39,184 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 17:25:39,193 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 17:25:39,193 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 17:25:39,196 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 17:25:39,197 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:25:39" (1/1) ... [2022-11-25 17:25:39,198 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@518c040a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:25:39, skipping insertion in model container [2022-11-25 17:25:39,198 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:25:39" (1/1) ... [2022-11-25 17:25:39,206 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 17:25:39,221 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 17:25:39,473 WARN L237 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_d5fe2e20-36c2-4bc0-bfd6-6c1e674eb1bd/sv-benchmarks/c/float-newlib/float_req_bl_1032a.c[1751,1764] [2022-11-25 17:25:39,478 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:25:39,502 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 17:25:39,550 WARN L237 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_d5fe2e20-36c2-4bc0-bfd6-6c1e674eb1bd/sv-benchmarks/c/float-newlib/float_req_bl_1032a.c[1751,1764] [2022-11-25 17:25:39,552 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:25:39,576 INFO L208 MainTranslator]: Completed translation [2022-11-25 17:25:39,577 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:25:39 WrapperNode [2022-11-25 17:25:39,577 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 17:25:39,579 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 17:25:39,579 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 17:25:39,580 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 17:25:39,587 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:25:39" (1/1) ... [2022-11-25 17:25:39,610 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:25:39" (1/1) ... [2022-11-25 17:25:39,641 INFO L138 Inliner]: procedures = 20, calls = 21, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 88 [2022-11-25 17:25:39,642 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 17:25:39,643 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 17:25:39,643 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 17:25:39,644 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 17:25:39,654 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:25:39" (1/1) ... [2022-11-25 17:25:39,655 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:25:39" (1/1) ... [2022-11-25 17:25:39,665 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:25:39" (1/1) ... [2022-11-25 17:25:39,666 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:25:39" (1/1) ... [2022-11-25 17:25:39,683 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:25:39" (1/1) ... [2022-11-25 17:25:39,694 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:25:39" (1/1) ... [2022-11-25 17:25:39,698 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:25:39" (1/1) ... [2022-11-25 17:25:39,708 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:25:39" (1/1) ... [2022-11-25 17:25:39,711 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 17:25:39,712 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 17:25:39,712 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 17:25:39,712 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 17:25:39,713 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:25:39" (1/1) ... [2022-11-25 17:25:39,725 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:25:39,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5fe2e20-36c2-4bc0-bfd6-6c1e674eb1bd/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:25:39,756 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5fe2e20-36c2-4bc0-bfd6-6c1e674eb1bd/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 17:25:39,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5fe2e20-36c2-4bc0-bfd6-6c1e674eb1bd/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 17:25:39,807 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 17:25:39,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-25 17:25:39,807 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 17:25:39,808 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2022-11-25 17:25:39,808 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-25 17:25:39,808 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 17:25:39,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 17:25:39,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2022-11-25 17:25:39,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-25 17:25:39,809 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 17:25:39,927 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 17:25:39,930 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 17:25:40,278 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 17:25:40,283 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 17:25:40,283 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-11-25 17:25:40,285 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:25:40 BoogieIcfgContainer [2022-11-25 17:25:40,285 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 17:25:40,287 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 17:25:40,287 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 17:25:40,291 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 17:25:40,292 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 05:25:39" (1/3) ... [2022-11-25 17:25:40,293 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@589ee3ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:25:40, skipping insertion in model container [2022-11-25 17:25:40,294 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:25:39" (2/3) ... [2022-11-25 17:25:40,294 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@589ee3ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:25:40, skipping insertion in model container [2022-11-25 17:25:40,296 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:25:40" (3/3) ... [2022-11-25 17:25:40,297 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1032a.c [2022-11-25 17:25:40,316 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 17:25:40,316 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-25 17:25:40,379 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 17:25:40,387 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@1756a7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 17:25:40,387 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-25 17:25:40,391 INFO L276 IsEmpty]: Start isEmpty. Operand has 25 states, 23 states have (on average 1.608695652173913) internal successors, (37), 24 states have internal predecessors, (37), 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) [2022-11-25 17:25:40,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-25 17:25:40,399 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:25:40,399 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:25:40,400 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:25:40,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:25:40,407 INFO L85 PathProgramCache]: Analyzing trace with hash 1590452317, now seen corresponding path program 1 times [2022-11-25 17:25:40,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 17:25:40,424 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1334474592] [2022-11-25 17:25:40,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:25:40,425 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 [2022-11-25 17:25:40,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5fe2e20-36c2-4bc0-bfd6-6c1e674eb1bd/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 17:25:40,431 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5fe2e20-36c2-4bc0-bfd6-6c1e674eb1bd/bin/uautomizer-ZsLfNo2U6R/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) [2022-11-25 17:25:40,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5fe2e20-36c2-4bc0-bfd6-6c1e674eb1bd/bin/uautomizer-ZsLfNo2U6R/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 [2022-11-25 17:25:40,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:25:40,561 INFO L263 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-25 17:25:40,565 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:25:40,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:25:40,587 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 17:25:40,588 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 17:25:40,588 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1334474592] [2022-11-25 17:25:40,589 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1334474592] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:25:40,590 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:25:40,590 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 17:25:40,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482499584] [2022-11-25 17:25:40,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:25:40,596 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-25 17:25:40,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 17:25:40,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-25 17:25:40,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-25 17:25:40,643 INFO L87 Difference]: Start difference. First operand has 25 states, 23 states have (on average 1.608695652173913) internal successors, (37), 24 states have internal predecessors, (37), 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 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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) [2022-11-25 17:25:40,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:25:40,664 INFO L93 Difference]: Finished difference Result 48 states and 72 transitions. [2022-11-25 17:25:40,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 17:25:40,666 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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 10 [2022-11-25 17:25:40,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:25:40,675 INFO L225 Difference]: With dead ends: 48 [2022-11-25 17:25:40,675 INFO L226 Difference]: Without dead ends: 22 [2022-11-25 17:25:40,679 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-25 17:25:40,683 INFO L413 NwaCegarLoop]: 30 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, 30 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 [2022-11-25 17:25:40,685 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 17:25:40,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2022-11-25 17:25:40,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2022-11-25 17:25:40,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 21 states have (on average 1.2857142857142858) internal successors, (27), 21 states have internal predecessors, (27), 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) [2022-11-25 17:25:40,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 27 transitions. [2022-11-25 17:25:40,725 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 27 transitions. Word has length 10 [2022-11-25 17:25:40,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:25:40,726 INFO L495 AbstractCegarLoop]: Abstraction has 22 states and 27 transitions. [2022-11-25 17:25:40,726 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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) [2022-11-25 17:25:40,727 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2022-11-25 17:25:40,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-25 17:25:40,729 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:25:40,729 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:25:40,748 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5fe2e20-36c2-4bc0-bfd6-6c1e674eb1bd/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-25 17:25:40,947 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5fe2e20-36c2-4bc0-bfd6-6c1e674eb1bd/bin/uautomizer-ZsLfNo2U6R/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 [2022-11-25 17:25:40,948 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:25:40,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:25:40,949 INFO L85 PathProgramCache]: Analyzing trace with hash -744854880, now seen corresponding path program 1 times [2022-11-25 17:25:40,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 17:25:40,953 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1444360064] [2022-11-25 17:25:40,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:25:40,953 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 [2022-11-25 17:25:40,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5fe2e20-36c2-4bc0-bfd6-6c1e674eb1bd/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 17:25:40,955 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5fe2e20-36c2-4bc0-bfd6-6c1e674eb1bd/bin/uautomizer-ZsLfNo2U6R/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) [2022-11-25 17:25:40,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5fe2e20-36c2-4bc0-bfd6-6c1e674eb1bd/bin/uautomizer-ZsLfNo2U6R/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 [2022-11-25 17:25:41,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:25:41,066 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-25 17:25:41,069 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:25:41,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:25:41,210 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 17:25:41,210 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 17:25:41,210 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1444360064] [2022-11-25 17:25:41,210 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1444360064] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:25:41,210 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:25:41,211 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 17:25:41,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583787931] [2022-11-25 17:25:41,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:25:41,212 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 17:25:41,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 17:25:41,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 17:25:41,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 17:25:41,214 INFO L87 Difference]: Start difference. First operand 22 states and 27 transitions. Second operand has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 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) [2022-11-25 17:25:41,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:25:41,303 INFO L93 Difference]: Finished difference Result 34 states and 39 transitions. [2022-11-25 17:25:41,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 17:25:41,304 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 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 11 [2022-11-25 17:25:41,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:25:41,305 INFO L225 Difference]: With dead ends: 34 [2022-11-25 17:25:41,305 INFO L226 Difference]: Without dead ends: 20 [2022-11-25 17:25:41,306 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-25 17:25:41,307 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 47 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 17:25:41,308 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 17 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 17:25:41,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2022-11-25 17:25:41,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2022-11-25 17:25:41,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 19 states have (on average 1.0526315789473684) internal successors, (20), 19 states have internal predecessors, (20), 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) [2022-11-25 17:25:41,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 20 transitions. [2022-11-25 17:25:41,314 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 20 transitions. Word has length 11 [2022-11-25 17:25:41,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:25:41,314 INFO L495 AbstractCegarLoop]: Abstraction has 20 states and 20 transitions. [2022-11-25 17:25:41,315 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 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) [2022-11-25 17:25:41,315 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 20 transitions. [2022-11-25 17:25:41,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-25 17:25:41,315 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:25:41,316 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:25:41,326 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5fe2e20-36c2-4bc0-bfd6-6c1e674eb1bd/bin/uautomizer-ZsLfNo2U6R/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 [2022-11-25 17:25:41,523 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5fe2e20-36c2-4bc0-bfd6-6c1e674eb1bd/bin/uautomizer-ZsLfNo2U6R/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 [2022-11-25 17:25:41,523 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:25:41,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:25:41,524 INFO L85 PathProgramCache]: Analyzing trace with hash 3095257, now seen corresponding path program 1 times [2022-11-25 17:25:41,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 17:25:41,525 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1121029962] [2022-11-25 17:25:41,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:25:41,525 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 [2022-11-25 17:25:41,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5fe2e20-36c2-4bc0-bfd6-6c1e674eb1bd/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 17:25:41,527 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5fe2e20-36c2-4bc0-bfd6-6c1e674eb1bd/bin/uautomizer-ZsLfNo2U6R/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) [2022-11-25 17:25:41,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5fe2e20-36c2-4bc0-bfd6-6c1e674eb1bd/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-25 17:25:41,595 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5fe2e20-36c2-4bc0-bfd6-6c1e674eb1bd/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 139 [2022-11-25 17:25:41,788 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5fe2e20-36c2-4bc0-bfd6-6c1e674eb1bd/bin/uautomizer-ZsLfNo2U6R/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 [2022-11-25 17:25:41,788 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: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5fe2e20-36c2-4bc0-bfd6-6c1e674eb1bd/bin/uautomizer-ZsLfNo2U6R/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) with exit command (exit)) Received EOF on stdin. No stderr output. at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:236) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:91) 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:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:209) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:121) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:262) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) 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: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5fe2e20-36c2-4bc0-bfd6-6c1e674eb1bd/bin/uautomizer-ZsLfNo2U6R/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) with exit command (exit)) Received EOF on stdin. No stderr output. at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:243) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:262) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.AnnotateAndAsserter.buildAnnotatedSsaAndAssertTerms(AnnotateAndAsserter.java:130) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.checkTrace(TraceCheck.java:317) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:215) ... 30 more Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1465) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:658) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:239) ... 37 more [2022-11-25 17:25:41,792 INFO L158 Benchmark]: Toolchain (without parser) took 2607.19ms. Allocated memory was 58.7MB in the beginning and 79.7MB in the end (delta: 21.0MB). Free memory was 28.3MB in the beginning and 43.6MB in the end (delta: -15.3MB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB. [2022-11-25 17:25:41,792 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 58.7MB. Free memory is still 37.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 17:25:41,793 INFO L158 Benchmark]: CACSL2BoogieTranslator took 385.19ms. Allocated memory was 58.7MB in the beginning and 79.7MB in the end (delta: 21.0MB). Free memory was 28.0MB in the beginning and 53.1MB in the end (delta: -25.1MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. [2022-11-25 17:25:41,793 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.88ms. Allocated memory is still 79.7MB. Free memory was 53.1MB in the beginning and 51.4MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 17:25:41,794 INFO L158 Benchmark]: Boogie Preprocessor took 67.97ms. Allocated memory is still 79.7MB. Free memory was 51.4MB in the beginning and 49.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 17:25:41,794 INFO L158 Benchmark]: RCFGBuilder took 573.78ms. Allocated memory is still 79.7MB. Free memory was 49.6MB in the beginning and 57.2MB in the end (delta: -7.7MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. [2022-11-25 17:25:41,795 INFO L158 Benchmark]: TraceAbstraction took 1503.57ms. Allocated memory is still 79.7MB. Free memory was 56.5MB in the beginning and 43.6MB in the end (delta: 13.0MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. [2022-11-25 17:25:41,798 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 58.7MB. Free memory is still 37.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 385.19ms. Allocated memory was 58.7MB in the beginning and 79.7MB in the end (delta: 21.0MB). Free memory was 28.0MB in the beginning and 53.1MB in the end (delta: -25.1MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.88ms. Allocated memory is still 79.7MB. Free memory was 53.1MB in the beginning and 51.4MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 67.97ms. Allocated memory is still 79.7MB. Free memory was 51.4MB in the beginning and 49.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 573.78ms. Allocated memory is still 79.7MB. Free memory was 49.6MB in the beginning and 57.2MB in the end (delta: -7.7MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1503.57ms. Allocated memory is still 79.7MB. Free memory was 56.5MB in the beginning and 43.6MB in the end (delta: 13.0MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5fe2e20-36c2-4bc0-bfd6-6c1e674eb1bd/bin/uautomizer-ZsLfNo2U6R/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) with exit command (exit)) Received EOF on stdin. No stderr output. de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5fe2e20-36c2-4bc0-bfd6-6c1e674eb1bd/bin/uautomizer-ZsLfNo2U6R/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) with exit command (exit)) Received EOF on stdin. No stderr output.: de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:236) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-25 17:25:41,831 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5fe2e20-36c2-4bc0-bfd6-6c1e674eb1bd/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5fe2e20-36c2-4bc0-bfd6-6c1e674eb1bd/bin/uautomizer-ZsLfNo2U6R/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) with exit command (exit)) Received EOF on stdin. No stderr output.