./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_1051.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_5ba3c409-5ee0-42c5-823c-7fdeff4993cb/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba3c409-5ee0-42c5-823c-7fdeff4993cb/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_5ba3c409-5ee0-42c5-823c-7fdeff4993cb/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba3c409-5ee0-42c5-823c-7fdeff4993cb/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1051.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba3c409-5ee0-42c5-823c-7fdeff4993cb/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_5ba3c409-5ee0-42c5-823c-7fdeff4993cb/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 22112bf5fec517f156789ccf9f4e6d3a5bacd7e511b4f0e72a5035e85c02df36 --- 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 15:35:49,890 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 15:35:49,893 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 15:35:49,931 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 15:35:49,931 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 15:35:49,933 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 15:35:49,934 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 15:35:49,936 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 15:35:49,942 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 15:35:49,949 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 15:35:49,950 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 15:35:49,954 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 15:35:49,955 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 15:35:49,957 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 15:35:49,960 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 15:35:49,962 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 15:35:49,965 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 15:35:49,966 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 15:35:49,968 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 15:35:49,975 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 15:35:49,978 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 15:35:49,980 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 15:35:49,981 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 15:35:49,982 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 15:35:49,985 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 15:35:49,985 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 15:35:49,985 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 15:35:49,986 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 15:35:49,987 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 15:35:49,994 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 15:35:49,994 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 15:35:49,995 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 15:35:49,997 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 15:35:49,999 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 15:35:50,002 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 15:35:50,002 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 15:35:50,003 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 15:35:50,003 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 15:35:50,003 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 15:35:50,005 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 15:35:50,006 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 15:35:50,007 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba3c409-5ee0-42c5-823c-7fdeff4993cb/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-25 15:35:50,051 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 15:35:50,051 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 15:35:50,052 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 15:35:50,052 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 15:35:50,053 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 15:35:50,054 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 15:35:50,072 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 15:35:50,072 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 15:35:50,072 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 15:35:50,073 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 15:35:50,074 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 15:35:50,074 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 15:35:50,074 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 15:35:50,075 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 15:35:50,075 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 15:35:50,075 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 15:35:50,076 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 15:35:50,076 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 15:35:50,076 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 15:35:50,076 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 15:35:50,077 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 15:35:50,077 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 15:35:50,077 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 15:35:50,077 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 15:35:50,078 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 15:35:50,078 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 15:35:50,078 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 15:35:50,079 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 15:35:50,079 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 15:35:50,080 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 15:35:50,080 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 15:35:50,080 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 15:35:50,081 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 15:35:50,081 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 15:35:50,081 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_5ba3c409-5ee0-42c5-823c-7fdeff4993cb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba3c409-5ee0-42c5-823c-7fdeff4993cb/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 22112bf5fec517f156789ccf9f4e6d3a5bacd7e511b4f0e72a5035e85c02df36 [2022-11-25 15:35:50,414 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 15:35:50,444 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 15:35:50,448 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 15:35:50,449 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 15:35:50,450 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 15:35:50,451 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba3c409-5ee0-42c5-823c-7fdeff4993cb/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/float-newlib/double_req_bl_1051.c [2022-11-25 15:35:53,530 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 15:35:53,805 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 15:35:53,806 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba3c409-5ee0-42c5-823c-7fdeff4993cb/sv-benchmarks/c/float-newlib/double_req_bl_1051.c [2022-11-25 15:35:53,815 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba3c409-5ee0-42c5-823c-7fdeff4993cb/bin/uautomizer-ZsLfNo2U6R/data/cdaff681f/fe48b3c7555847aa9998b5772585e032/FLAG3e7f00d4e [2022-11-25 15:35:53,835 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba3c409-5ee0-42c5-823c-7fdeff4993cb/bin/uautomizer-ZsLfNo2U6R/data/cdaff681f/fe48b3c7555847aa9998b5772585e032 [2022-11-25 15:35:53,838 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 15:35:53,840 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 15:35:53,844 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 15:35:53,844 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 15:35:53,848 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 15:35:53,848 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:35:53" (1/1) ... [2022-11-25 15:35:53,850 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52233464 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:35:53, skipping insertion in model container [2022-11-25 15:35:53,850 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:35:53" (1/1) ... [2022-11-25 15:35:53,858 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 15:35:53,885 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 15:35:54,134 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_5ba3c409-5ee0-42c5-823c-7fdeff4993cb/sv-benchmarks/c/float-newlib/double_req_bl_1051.c[2106,2119] [2022-11-25 15:35:54,138 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 15:35:54,151 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 15:35:54,194 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_5ba3c409-5ee0-42c5-823c-7fdeff4993cb/sv-benchmarks/c/float-newlib/double_req_bl_1051.c[2106,2119] [2022-11-25 15:35:54,195 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 15:35:54,212 INFO L208 MainTranslator]: Completed translation [2022-11-25 15:35:54,212 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:35:54 WrapperNode [2022-11-25 15:35:54,213 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 15:35:54,214 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 15:35:54,214 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 15:35:54,214 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 15:35:54,222 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:35:54" (1/1) ... [2022-11-25 15:35:54,242 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:35:54" (1/1) ... [2022-11-25 15:35:54,282 INFO L138 Inliner]: procedures = 16, calls = 19, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 100 [2022-11-25 15:35:54,282 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 15:35:54,283 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 15:35:54,283 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 15:35:54,283 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 15:35:54,295 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:35:54" (1/1) ... [2022-11-25 15:35:54,295 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:35:54" (1/1) ... [2022-11-25 15:35:54,305 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:35:54" (1/1) ... [2022-11-25 15:35:54,306 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:35:54" (1/1) ... [2022-11-25 15:35:54,319 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:35:54" (1/1) ... [2022-11-25 15:35:54,323 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:35:54" (1/1) ... [2022-11-25 15:35:54,325 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:35:54" (1/1) ... [2022-11-25 15:35:54,326 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:35:54" (1/1) ... [2022-11-25 15:35:54,341 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 15:35:54,351 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 15:35:54,351 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 15:35:54,352 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 15:35:54,352 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:35:54" (1/1) ... [2022-11-25 15:35:54,360 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 15:35:54,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba3c409-5ee0-42c5-823c-7fdeff4993cb/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:35:54,386 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba3c409-5ee0-42c5-823c-7fdeff4993cb/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 15:35:54,419 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba3c409-5ee0-42c5-823c-7fdeff4993cb/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 15:35:54,445 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 15:35:54,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 15:35:54,446 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 15:35:54,446 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-11-25 15:35:54,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 15:35:54,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2022-11-25 15:35:54,447 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 15:35:54,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 15:35:54,447 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 15:35:54,448 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 15:35:54,564 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 15:35:54,569 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 15:35:54,903 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 15:35:54,908 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 15:35:54,922 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-25 15:35:54,924 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:35:54 BoogieIcfgContainer [2022-11-25 15:35:54,925 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 15:35:54,927 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 15:35:54,927 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 15:35:54,931 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 15:35:54,931 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 03:35:53" (1/3) ... [2022-11-25 15:35:54,933 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@688de021 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 03:35:54, skipping insertion in model container [2022-11-25 15:35:54,933 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:35:54" (2/3) ... [2022-11-25 15:35:54,935 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@688de021 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 03:35:54, skipping insertion in model container [2022-11-25 15:35:54,936 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:35:54" (3/3) ... [2022-11-25 15:35:54,937 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_1051.c [2022-11-25 15:35:54,958 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 15:35:54,958 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-25 15:35:55,029 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 15:35:55,036 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;@170e8617, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 15:35:55,037 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-25 15:35:55,041 INFO L276 IsEmpty]: Start isEmpty. Operand has 34 states, 32 states have (on average 1.65625) internal successors, (53), 33 states have internal predecessors, (53), 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 15:35:55,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-25 15:35:55,048 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:35:55,049 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:35:55,050 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 15:35:55,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:35:55,059 INFO L85 PathProgramCache]: Analyzing trace with hash -1930047821, now seen corresponding path program 1 times [2022-11-25 15:35:55,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:35:55,069 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451884801] [2022-11-25 15:35:55,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:35:55,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:35:55,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:35:55,292 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 15:35:55,292 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:35:55,293 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [451884801] [2022-11-25 15:35:55,293 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [451884801] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:35:55,294 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 15:35:55,294 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 15:35:55,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369981704] [2022-11-25 15:35:55,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:35:55,301 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-25 15:35:55,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:35:55,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-25 15:35:55,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-25 15:35:55,352 INFO L87 Difference]: Start difference. First operand has 34 states, 32 states have (on average 1.65625) internal successors, (53), 33 states have internal predecessors, (53), 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 5.5) internal successors, (11), 2 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 15:35:55,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:35:55,383 INFO L93 Difference]: Finished difference Result 66 states and 104 transitions. [2022-11-25 15:35:55,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 15:35:55,385 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 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 15:35:55,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 15:35:55,394 INFO L225 Difference]: With dead ends: 66 [2022-11-25 15:35:55,394 INFO L226 Difference]: Without dead ends: 31 [2022-11-25 15:35:55,397 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 15:35:55,401 INFO L413 NwaCegarLoop]: 48 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, 48 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 15:35:55,402 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 15:35:55,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2022-11-25 15:35:55,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2022-11-25 15:35:55,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 30 states have (on average 1.5) internal successors, (45), 30 states have internal predecessors, (45), 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 15:35:55,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 45 transitions. [2022-11-25 15:35:55,439 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 45 transitions. Word has length 11 [2022-11-25 15:35:55,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 15:35:55,440 INFO L495 AbstractCegarLoop]: Abstraction has 31 states and 45 transitions. [2022-11-25 15:35:55,440 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 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 15:35:55,440 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 45 transitions. [2022-11-25 15:35:55,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-25 15:35:55,441 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:35:55,441 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:35:55,441 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 15:35:55,442 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 15:35:55,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:35:55,442 INFO L85 PathProgramCache]: Analyzing trace with hash -1310126896, now seen corresponding path program 1 times [2022-11-25 15:35:55,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:35:55,443 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1902679236] [2022-11-25 15:35:55,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:35:55,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:35:55,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:35:55,501 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 15:35:55,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:35:55,575 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 15:35:55,576 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-11-25 15:35:55,578 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-25 15:35:55,580 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 15:35:55,583 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-25 15:35:55,587 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 15:35:55,634 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 03:35:55 BoogieIcfgContainer [2022-11-25 15:35:55,634 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 15:35:55,635 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 15:35:55,635 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 15:35:55,635 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 15:35:55,636 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:35:54" (3/4) ... [2022-11-25 15:35:55,639 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-25 15:35:55,639 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 15:35:55,640 INFO L158 Benchmark]: Toolchain (without parser) took 1799.40ms. Allocated memory is still 140.5MB. Free memory was 109.2MB in the beginning and 109.9MB in the end (delta: -679.5kB). Peak memory consumption was 1.4MB. Max. memory is 16.1GB. [2022-11-25 15:35:55,640 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 140.5MB. Free memory was 110.4MB in the beginning and 110.3MB in the end (delta: 140.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 15:35:55,641 INFO L158 Benchmark]: CACSL2BoogieTranslator took 369.40ms. Allocated memory is still 140.5MB. Free memory was 108.7MB in the beginning and 97.3MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-25 15:35:55,641 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.16ms. Allocated memory is still 140.5MB. Free memory was 97.3MB in the beginning and 95.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 15:35:55,642 INFO L158 Benchmark]: Boogie Preprocessor took 67.75ms. Allocated memory is still 140.5MB. Free memory was 95.6MB in the beginning and 93.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 15:35:55,643 INFO L158 Benchmark]: RCFGBuilder took 573.70ms. Allocated memory is still 140.5MB. Free memory was 93.6MB in the beginning and 78.5MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-25 15:35:55,643 INFO L158 Benchmark]: TraceAbstraction took 707.15ms. Allocated memory is still 140.5MB. Free memory was 77.7MB in the beginning and 110.3MB in the end (delta: -32.5MB). Peak memory consumption was 35.0MB. Max. memory is 16.1GB. [2022-11-25 15:35:55,644 INFO L158 Benchmark]: Witness Printer took 4.16ms. Allocated memory is still 140.5MB. Free memory was 110.3MB in the beginning and 109.9MB in the end (delta: 388.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 15:35:55,647 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 140.5MB. Free memory was 110.4MB in the beginning and 110.3MB in the end (delta: 140.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 369.40ms. Allocated memory is still 140.5MB. Free memory was 108.7MB in the beginning and 97.3MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.16ms. Allocated memory is still 140.5MB. Free memory was 97.3MB in the beginning and 95.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 67.75ms. Allocated memory is still 140.5MB. Free memory was 95.6MB in the beginning and 93.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 573.70ms. Allocated memory is still 140.5MB. Free memory was 93.6MB in the beginning and 78.5MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 707.15ms. Allocated memory is still 140.5MB. Free memory was 77.7MB in the beginning and 110.3MB in the end (delta: -32.5MB). Peak memory consumption was 35.0MB. Max. memory is 16.1GB. * Witness Printer took 4.16ms. Allocated memory is still 140.5MB. Free memory was 110.3MB in the beginning and 109.9MB in the end (delta: 388.8kB). 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: 95]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of shiftRight at line 39, overapproximation of bitwiseOr at line 40, overapproximation of someBinaryArithmeticDOUBLEoperation at line 90, overapproximation of bitwiseAnd at line 40, overapproximation of someBinaryDOUBLEComparisonOperation at line 82. Possible FailurePath: [L16] static const double huge_floor = 1.0e300; VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L90] double x = 0.0 / 0.0; [L91] CALL, EXPR floor_double(x) [L19] __int32_t i0, i1, j0; [L20] __uint32_t i, j; VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010] [L22] ieee_double_shape_type ew_u; [L23] ew_u.value = (x) [L24] EXPR ew_u.parts.msw [L24] (i0) = ew_u.parts.msw [L25] EXPR ew_u.parts.lsw [L25] (i1) = ew_u.parts.lsw [L27] j0 = ((i0 >> 20) & 0x7ff) - 0x3ff VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, i0=-1048576, i1=0, j0=0, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010] [L28] COND TRUE j0 < 20 VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, i0=-1048576, i1=0, j0=0, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010] [L29] COND FALSE !(j0 < 0) [L39] i = (0x000fffff) >> j0 VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, i0=-1048576, i1=0, j0=0, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010] [L40] COND TRUE ((i0 & i) | i1) == 0 [L41] return x; VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, \result=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, i=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, i0=-1048576, i1=0, j0=0, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010] [L91] RET, EXPR floor_double(x) [L91] double res = floor_double(x); [L94] CALL, EXPR isnan_double(res) [L82] return x != x; VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, \result=0, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010] [L94] RET, EXPR isnan_double(res) [L94] COND TRUE !isnan_double(res) [L95] reach_error() VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, res=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 34 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, 48 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, 48 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=34occurred 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, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 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 15:35:55,675 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba3c409-5ee0-42c5-823c-7fdeff4993cb/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_5ba3c409-5ee0-42c5-823c-7fdeff4993cb/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba3c409-5ee0-42c5-823c-7fdeff4993cb/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_5ba3c409-5ee0-42c5-823c-7fdeff4993cb/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba3c409-5ee0-42c5-823c-7fdeff4993cb/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1051.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba3c409-5ee0-42c5-823c-7fdeff4993cb/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_5ba3c409-5ee0-42c5-823c-7fdeff4993cb/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 22112bf5fec517f156789ccf9f4e6d3a5bacd7e511b4f0e72a5035e85c02df36 --- 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 15:35:58,208 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 15:35:58,211 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 15:35:58,239 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 15:35:58,240 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 15:35:58,241 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 15:35:58,242 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 15:35:58,253 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 15:35:58,256 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 15:35:58,262 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 15:35:58,263 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 15:35:58,264 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 15:35:58,264 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 15:35:58,265 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 15:35:58,266 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 15:35:58,268 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 15:35:58,269 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 15:35:58,270 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 15:35:58,275 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 15:35:58,283 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 15:35:58,290 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 15:35:58,294 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 15:35:58,297 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 15:35:58,298 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 15:35:58,301 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 15:35:58,301 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 15:35:58,301 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 15:35:58,302 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 15:35:58,303 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 15:35:58,304 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 15:35:58,304 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 15:35:58,305 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 15:35:58,306 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 15:35:58,312 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 15:35:58,314 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 15:35:58,325 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 15:35:58,326 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 15:35:58,326 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 15:35:58,327 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 15:35:58,328 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 15:35:58,328 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 15:35:58,333 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba3c409-5ee0-42c5-823c-7fdeff4993cb/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2022-11-25 15:35:58,368 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 15:35:58,368 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 15:35:58,369 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 15:35:58,370 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 15:35:58,371 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 15:35:58,371 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 15:35:58,372 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 15:35:58,372 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 15:35:58,372 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 15:35:58,372 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 15:35:58,373 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 15:35:58,374 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 15:35:58,374 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 15:35:58,374 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 15:35:58,375 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 15:35:58,375 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 15:35:58,375 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-25 15:35:58,375 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-25 15:35:58,375 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-25 15:35:58,376 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 15:35:58,376 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 15:35:58,376 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 15:35:58,376 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 15:35:58,377 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 15:35:58,377 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 15:35:58,377 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 15:35:58,377 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 15:35:58,378 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 15:35:58,378 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 15:35:58,378 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 15:35:58,378 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-25 15:35:58,378 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-25 15:35:58,379 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 15:35:58,379 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 15:35:58,379 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 15:35:58,379 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 15:35:58,380 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-11-25 15:35:58,380 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_5ba3c409-5ee0-42c5-823c-7fdeff4993cb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba3c409-5ee0-42c5-823c-7fdeff4993cb/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 22112bf5fec517f156789ccf9f4e6d3a5bacd7e511b4f0e72a5035e85c02df36 [2022-11-25 15:35:58,789 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 15:35:58,823 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 15:35:58,825 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 15:35:58,827 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 15:35:58,827 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 15:35:58,830 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba3c409-5ee0-42c5-823c-7fdeff4993cb/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/float-newlib/double_req_bl_1051.c [2022-11-25 15:36:01,934 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 15:36:02,150 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 15:36:02,151 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba3c409-5ee0-42c5-823c-7fdeff4993cb/sv-benchmarks/c/float-newlib/double_req_bl_1051.c [2022-11-25 15:36:02,158 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba3c409-5ee0-42c5-823c-7fdeff4993cb/bin/uautomizer-ZsLfNo2U6R/data/6772ff900/eff0a45f74ae48dd8f0805b7a150ed87/FLAGe32bd42bf [2022-11-25 15:36:02,172 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba3c409-5ee0-42c5-823c-7fdeff4993cb/bin/uautomizer-ZsLfNo2U6R/data/6772ff900/eff0a45f74ae48dd8f0805b7a150ed87 [2022-11-25 15:36:02,174 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 15:36:02,176 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 15:36:02,177 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 15:36:02,178 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 15:36:02,182 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 15:36:02,183 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:36:02" (1/1) ... [2022-11-25 15:36:02,184 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63272912 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:36:02, skipping insertion in model container [2022-11-25 15:36:02,184 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:36:02" (1/1) ... [2022-11-25 15:36:02,193 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 15:36:02,214 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 15:36:02,456 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_5ba3c409-5ee0-42c5-823c-7fdeff4993cb/sv-benchmarks/c/float-newlib/double_req_bl_1051.c[2106,2119] [2022-11-25 15:36:02,461 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 15:36:02,489 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 15:36:02,545 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_5ba3c409-5ee0-42c5-823c-7fdeff4993cb/sv-benchmarks/c/float-newlib/double_req_bl_1051.c[2106,2119] [2022-11-25 15:36:02,548 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 15:36:02,574 INFO L208 MainTranslator]: Completed translation [2022-11-25 15:36:02,575 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:36:02 WrapperNode [2022-11-25 15:36:02,576 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 15:36:02,577 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 15:36:02,577 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 15:36:02,578 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 15:36:02,588 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:36:02" (1/1) ... [2022-11-25 15:36:02,622 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:36:02" (1/1) ... [2022-11-25 15:36:02,666 INFO L138 Inliner]: procedures = 19, calls = 19, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 100 [2022-11-25 15:36:02,667 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 15:36:02,668 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 15:36:02,669 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 15:36:02,670 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 15:36:02,682 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:36:02" (1/1) ... [2022-11-25 15:36:02,683 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:36:02" (1/1) ... [2022-11-25 15:36:02,697 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:36:02" (1/1) ... [2022-11-25 15:36:02,699 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:36:02" (1/1) ... [2022-11-25 15:36:02,722 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:36:02" (1/1) ... [2022-11-25 15:36:02,732 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:36:02" (1/1) ... [2022-11-25 15:36:02,735 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:36:02" (1/1) ... [2022-11-25 15:36:02,744 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:36:02" (1/1) ... [2022-11-25 15:36:02,748 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 15:36:02,749 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 15:36:02,750 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 15:36:02,750 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 15:36:02,751 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:36:02" (1/1) ... [2022-11-25 15:36:02,761 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 15:36:02,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba3c409-5ee0-42c5-823c-7fdeff4993cb/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:36:02,797 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba3c409-5ee0-42c5-823c-7fdeff4993cb/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 15:36:02,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba3c409-5ee0-42c5-823c-7fdeff4993cb/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 15:36:02,867 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 15:36:02,867 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2022-11-25 15:36:02,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2022-11-25 15:36:02,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-25 15:36:02,869 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 15:36:02,870 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-25 15:36:02,870 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 15:36:02,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 15:36:02,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-25 15:36:02,871 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 15:36:03,022 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 15:36:03,026 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 15:36:04,802 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 15:36:04,808 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 15:36:04,809 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-25 15:36:04,822 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:36:04 BoogieIcfgContainer [2022-11-25 15:36:04,822 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 15:36:04,824 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 15:36:04,825 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 15:36:04,828 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 15:36:04,829 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 03:36:02" (1/3) ... [2022-11-25 15:36:04,829 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f7e4e36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 03:36:04, skipping insertion in model container [2022-11-25 15:36:04,830 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:36:02" (2/3) ... [2022-11-25 15:36:04,830 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f7e4e36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 03:36:04, skipping insertion in model container [2022-11-25 15:36:04,830 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:36:04" (3/3) ... [2022-11-25 15:36:04,832 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_1051.c [2022-11-25 15:36:04,852 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 15:36:04,852 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-25 15:36:04,902 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 15:36:04,909 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;@7fbb9c1c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 15:36:04,909 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-25 15:36:04,913 INFO L276 IsEmpty]: Start isEmpty. Operand has 34 states, 32 states have (on average 1.65625) internal successors, (53), 33 states have internal predecessors, (53), 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 15:36:04,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-25 15:36:04,920 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:36:04,921 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:36:04,922 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 15:36:04,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:36:04,928 INFO L85 PathProgramCache]: Analyzing trace with hash -1930047821, now seen corresponding path program 1 times [2022-11-25 15:36:04,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 15:36:04,940 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [85271616] [2022-11-25 15:36:04,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:36:04,941 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 15:36:04,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba3c409-5ee0-42c5-823c-7fdeff4993cb/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 15:36:04,942 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba3c409-5ee0-42c5-823c-7fdeff4993cb/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 15:36:04,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba3c409-5ee0-42c5-823c-7fdeff4993cb/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 15:36:05,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:36:05,057 INFO L263 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-25 15:36:05,062 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 15:36:05,080 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 15:36:05,081 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 15:36:05,081 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 15:36:05,082 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [85271616] [2022-11-25 15:36:05,082 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [85271616] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:36:05,083 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 15:36:05,083 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 15:36:05,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1498101087] [2022-11-25 15:36:05,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:36:05,089 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-25 15:36:05,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 15:36:05,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-25 15:36:05,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-25 15:36:05,119 INFO L87 Difference]: Start difference. First operand has 34 states, 32 states have (on average 1.65625) internal successors, (53), 33 states have internal predecessors, (53), 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 5.5) internal successors, (11), 2 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 15:36:05,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:36:05,139 INFO L93 Difference]: Finished difference Result 66 states and 104 transitions. [2022-11-25 15:36:05,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 15:36:05,141 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 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 15:36:05,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 15:36:05,153 INFO L225 Difference]: With dead ends: 66 [2022-11-25 15:36:05,153 INFO L226 Difference]: Without dead ends: 31 [2022-11-25 15:36:05,157 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 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 15:36:05,165 INFO L413 NwaCegarLoop]: 48 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, 48 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 15:36:05,167 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 15:36:05,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2022-11-25 15:36:05,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2022-11-25 15:36:05,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 30 states have (on average 1.5) internal successors, (45), 30 states have internal predecessors, (45), 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 15:36:05,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 45 transitions. [2022-11-25 15:36:05,211 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 45 transitions. Word has length 11 [2022-11-25 15:36:05,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 15:36:05,213 INFO L495 AbstractCegarLoop]: Abstraction has 31 states and 45 transitions. [2022-11-25 15:36:05,213 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 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 15:36:05,213 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 45 transitions. [2022-11-25 15:36:05,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-25 15:36:05,215 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:36:05,215 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:36:05,235 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba3c409-5ee0-42c5-823c-7fdeff4993cb/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 15:36:05,428 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba3c409-5ee0-42c5-823c-7fdeff4993cb/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 15:36:05,428 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 15:36:05,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:36:05,429 INFO L85 PathProgramCache]: Analyzing trace with hash -1310126896, now seen corresponding path program 1 times [2022-11-25 15:36:05,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 15:36:05,430 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1268014999] [2022-11-25 15:36:05,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:36:05,430 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 15:36:05,430 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba3c409-5ee0-42c5-823c-7fdeff4993cb/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 15:36:05,433 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba3c409-5ee0-42c5-823c-7fdeff4993cb/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 15:36:05,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba3c409-5ee0-42c5-823c-7fdeff4993cb/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 15:36:05,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:36:05,548 INFO L263 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-25 15:36:05,550 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 15:36:05,881 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 15:36:05,881 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 15:36:05,881 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 15:36:05,882 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1268014999] [2022-11-25 15:36:05,882 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1268014999] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:36:05,882 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 15:36:05,882 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-25 15:36:05,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [845295448] [2022-11-25 15:36:05,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:36:05,884 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 15:36:05,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 15:36:05,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 15:36:05,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-25 15:36:05,886 INFO L87 Difference]: Start difference. First operand 31 states and 45 transitions. Second operand has 6 states, 6 states have (on average 2.0) internal successors, (12), 6 states have internal predecessors, (12), 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 15:36:06,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:36:06,992 INFO L93 Difference]: Finished difference Result 42 states and 55 transitions. [2022-11-25 15:36:06,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 15:36:06,994 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.0) internal successors, (12), 6 states have internal predecessors, (12), 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 12 [2022-11-25 15:36:06,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 15:36:06,995 INFO L225 Difference]: With dead ends: 42 [2022-11-25 15:36:06,995 INFO L226 Difference]: Without dead ends: 21 [2022-11-25 15:36:06,995 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-11-25 15:36:06,997 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 18 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-25 15:36:06,997 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 71 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 40 Invalid, 1 Unknown, 0 Unchecked, 0.9s Time] [2022-11-25 15:36:06,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2022-11-25 15:36:07,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2022-11-25 15:36:07,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 20 states have (on average 1.1) internal successors, (22), 20 states have internal predecessors, (22), 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 15:36:07,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 22 transitions. [2022-11-25 15:36:07,006 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 22 transitions. Word has length 12 [2022-11-25 15:36:07,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 15:36:07,007 INFO L495 AbstractCegarLoop]: Abstraction has 21 states and 22 transitions. [2022-11-25 15:36:07,007 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.0) internal successors, (12), 6 states have internal predecessors, (12), 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 15:36:07,007 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2022-11-25 15:36:07,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-25 15:36:07,008 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:36:07,008 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:36:07,031 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba3c409-5ee0-42c5-823c-7fdeff4993cb/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)] Forceful destruction successful, exit code 0 [2022-11-25 15:36:07,219 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba3c409-5ee0-42c5-823c-7fdeff4993cb/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 15:36:07,219 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 15:36:07,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:36:07,220 INFO L85 PathProgramCache]: Analyzing trace with hash -649399050, now seen corresponding path program 1 times [2022-11-25 15:36:07,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 15:36:07,221 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1862012061] [2022-11-25 15:36:07,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:36:07,221 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 15:36:07,222 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba3c409-5ee0-42c5-823c-7fdeff4993cb/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 15:36:07,231 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba3c409-5ee0-42c5-823c-7fdeff4993cb/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 15:36:07,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba3c409-5ee0-42c5-823c-7fdeff4993cb/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 15:36:07,414 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba3c409-5ee0-42c5-823c-7fdeff4993cb/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)] Ended with exit code 139 [2022-11-25 15:36:07,417 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_5ba3c409-5ee0-42c5-823c-7fdeff4993cb/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_5ba3c409-5ee0-42c5-823c-7fdeff4993cb/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 15:36:07,421 INFO L158 Benchmark]: Toolchain (without parser) took 5244.74ms. Allocated memory was 62.9MB in the beginning and 77.6MB in the end (delta: 14.7MB). Free memory was 34.1MB in the beginning and 41.3MB in the end (delta: -7.2MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. [2022-11-25 15:36:07,421 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 62.9MB. Free memory was 41.3MB in the beginning and 41.3MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 15:36:07,422 INFO L158 Benchmark]: CACSL2BoogieTranslator took 398.69ms. Allocated memory was 62.9MB in the beginning and 77.6MB in the end (delta: 14.7MB). Free memory was 33.9MB in the beginning and 54.3MB in the end (delta: -20.4MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. [2022-11-25 15:36:07,423 INFO L158 Benchmark]: Boogie Procedure Inliner took 89.63ms. Allocated memory is still 77.6MB. Free memory was 54.3MB in the beginning and 52.5MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 15:36:07,423 INFO L158 Benchmark]: Boogie Preprocessor took 80.07ms. Allocated memory is still 77.6MB. Free memory was 52.5MB in the beginning and 50.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 15:36:07,424 INFO L158 Benchmark]: RCFGBuilder took 2073.10ms. Allocated memory is still 77.6MB. Free memory was 50.7MB in the beginning and 56.7MB in the end (delta: -6.0MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. [2022-11-25 15:36:07,425 INFO L158 Benchmark]: TraceAbstraction took 2595.41ms. Allocated memory is still 77.6MB. Free memory was 56.0MB in the beginning and 41.3MB in the end (delta: 14.7MB). Peak memory consumption was 15.3MB. Max. memory is 16.1GB. [2022-11-25 15:36:07,428 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 62.9MB. Free memory was 41.3MB in the beginning and 41.3MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 398.69ms. Allocated memory was 62.9MB in the beginning and 77.6MB in the end (delta: 14.7MB). Free memory was 33.9MB in the beginning and 54.3MB in the end (delta: -20.4MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 89.63ms. Allocated memory is still 77.6MB. Free memory was 54.3MB in the beginning and 52.5MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 80.07ms. Allocated memory is still 77.6MB. Free memory was 52.5MB in the beginning and 50.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 2073.10ms. Allocated memory is still 77.6MB. Free memory was 50.7MB in the beginning and 56.7MB in the end (delta: -6.0MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. * TraceAbstraction took 2595.41ms. Allocated memory is still 77.6MB. Free memory was 56.0MB in the beginning and 41.3MB in the end (delta: 14.7MB). Peak memory consumption was 15.3MB. 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_5ba3c409-5ee0-42c5-823c-7fdeff4993cb/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_5ba3c409-5ee0-42c5-823c-7fdeff4993cb/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 15:36:07,472 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba3c409-5ee0-42c5-823c-7fdeff4993cb/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_5ba3c409-5ee0-42c5-823c-7fdeff4993cb/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.