./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0663b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a 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_bccbf626-04d9-4e72-b95c-51c9cc19ca8c/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccbf626-04d9-4e72-b95c-51c9cc19ca8c/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccbf626-04d9-4e72-b95c-51c9cc19ca8c/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccbf626-04d9-4e72-b95c-51c9cc19ca8c/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0663b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccbf626-04d9-4e72-b95c-51c9cc19ca8c/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccbf626-04d9-4e72-b95c-51c9cc19ca8c/bin/uautomizer-Dbtcem3rbc --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 7fe2b5be2f106b86d52b1d19807d3cd92c046776d3783d222383057baec9ed94 --- 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-5e519f3 [2022-11-02 21:04:45,627 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 21:04:45,630 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 21:04:45,663 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 21:04:45,664 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 21:04:45,665 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 21:04:45,667 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 21:04:45,669 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 21:04:45,671 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 21:04:45,672 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 21:04:45,673 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 21:04:45,675 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 21:04:45,675 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 21:04:45,677 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 21:04:45,678 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 21:04:45,680 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 21:04:45,681 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 21:04:45,682 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 21:04:45,684 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 21:04:45,687 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 21:04:45,689 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 21:04:45,690 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 21:04:45,692 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 21:04:45,693 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 21:04:45,697 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 21:04:45,697 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 21:04:45,698 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 21:04:45,699 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 21:04:45,700 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 21:04:45,701 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 21:04:45,701 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 21:04:45,702 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 21:04:45,703 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 21:04:45,704 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 21:04:45,706 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 21:04:45,706 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 21:04:45,707 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 21:04:45,708 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 21:04:45,708 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 21:04:45,709 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 21:04:45,710 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 21:04:45,711 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccbf626-04d9-4e72-b95c-51c9cc19ca8c/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-02 21:04:45,738 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 21:04:45,738 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 21:04:45,739 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 21:04:45,739 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 21:04:45,740 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 21:04:45,740 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 21:04:45,741 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 21:04:45,741 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 21:04:45,742 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 21:04:45,742 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 21:04:45,742 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-02 21:04:45,742 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 21:04:45,743 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-02 21:04:45,743 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 21:04:45,743 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 21:04:45,744 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 21:04:45,744 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 21:04:45,744 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-02 21:04:45,744 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 21:04:45,745 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 21:04:45,745 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 21:04:45,745 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 21:04:45,746 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 21:04:45,746 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 21:04:45,746 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 21:04:45,746 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 21:04:45,747 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 21:04:45,747 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 21:04:45,747 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 21:04:45,748 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 21:04:45,748 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 21:04:45,748 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 21:04:45,748 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 21:04:45,749 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_bccbf626-04d9-4e72-b95c-51c9cc19ca8c/bin/uautomizer-Dbtcem3rbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccbf626-04d9-4e72-b95c-51c9cc19ca8c/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7fe2b5be2f106b86d52b1d19807d3cd92c046776d3783d222383057baec9ed94 [2022-11-02 21:04:46,113 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 21:04:46,152 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 21:04:46,157 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 21:04:46,158 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 21:04:46,159 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 21:04:46,161 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccbf626-04d9-4e72-b95c-51c9cc19ca8c/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/float-newlib/double_req_bl_0663b.c [2022-11-02 21:04:46,253 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccbf626-04d9-4e72-b95c-51c9cc19ca8c/bin/uautomizer-Dbtcem3rbc/data/8a4059f11/519e58a26ba44cb38edca68c522add1a/FLAG33f82c84a [2022-11-02 21:04:46,924 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 21:04:46,925 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccbf626-04d9-4e72-b95c-51c9cc19ca8c/sv-benchmarks/c/float-newlib/double_req_bl_0663b.c [2022-11-02 21:04:46,940 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccbf626-04d9-4e72-b95c-51c9cc19ca8c/bin/uautomizer-Dbtcem3rbc/data/8a4059f11/519e58a26ba44cb38edca68c522add1a/FLAG33f82c84a [2022-11-02 21:04:47,253 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccbf626-04d9-4e72-b95c-51c9cc19ca8c/bin/uautomizer-Dbtcem3rbc/data/8a4059f11/519e58a26ba44cb38edca68c522add1a [2022-11-02 21:04:47,258 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 21:04:47,260 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 21:04:47,262 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 21:04:47,262 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 21:04:47,266 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 21:04:47,267 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 09:04:47" (1/1) ... [2022-11-02 21:04:47,268 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d5c3604 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:04:47, skipping insertion in model container [2022-11-02 21:04:47,269 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 09:04:47" (1/1) ... [2022-11-02 21:04:47,277 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 21:04:47,300 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 21:04:47,684 WARN L230 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_bccbf626-04d9-4e72-b95c-51c9cc19ca8c/sv-benchmarks/c/float-newlib/double_req_bl_0663b.c[6219,6232] [2022-11-02 21:04:47,690 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 21:04:47,708 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 21:04:47,798 WARN L230 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_bccbf626-04d9-4e72-b95c-51c9cc19ca8c/sv-benchmarks/c/float-newlib/double_req_bl_0663b.c[6219,6232] [2022-11-02 21:04:47,799 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 21:04:47,818 INFO L208 MainTranslator]: Completed translation [2022-11-02 21:04:47,819 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:04:47 WrapperNode [2022-11-02 21:04:47,819 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 21:04:47,821 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 21:04:47,821 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 21:04:47,821 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 21:04:47,833 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:04:47" (1/1) ... [2022-11-02 21:04:47,858 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:04:47" (1/1) ... [2022-11-02 21:04:47,914 INFO L138 Inliner]: procedures = 19, calls = 87, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 227 [2022-11-02 21:04:47,918 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 21:04:47,919 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 21:04:47,919 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 21:04:47,919 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 21:04:47,930 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:04:47" (1/1) ... [2022-11-02 21:04:47,931 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:04:47" (1/1) ... [2022-11-02 21:04:47,950 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:04:47" (1/1) ... [2022-11-02 21:04:47,956 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:04:47" (1/1) ... [2022-11-02 21:04:47,997 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:04:47" (1/1) ... [2022-11-02 21:04:48,004 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:04:47" (1/1) ... [2022-11-02 21:04:48,007 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:04:47" (1/1) ... [2022-11-02 21:04:48,018 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:04:47" (1/1) ... [2022-11-02 21:04:48,022 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 21:04:48,030 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 21:04:48,030 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 21:04:48,030 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 21:04:48,031 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:04:47" (1/1) ... [2022-11-02 21:04:48,040 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 21:04:48,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccbf626-04d9-4e72-b95c-51c9cc19ca8c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:04:48,070 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccbf626-04d9-4e72-b95c-51c9cc19ca8c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 21:04:48,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccbf626-04d9-4e72-b95c-51c9cc19ca8c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 21:04:48,137 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 21:04:48,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 21:04:48,138 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-02 21:04:48,138 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-11-02 21:04:48,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-02 21:04:48,138 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2022-11-02 21:04:48,138 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2022-11-02 21:04:48,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2022-11-02 21:04:48,139 INFO L130 BoogieDeclarations]: Found specification of procedure atan_double [2022-11-02 21:04:48,139 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_double [2022-11-02 21:04:48,139 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 21:04:48,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 21:04:48,140 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-02 21:04:48,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2022-11-02 21:04:48,140 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-02 21:04:48,291 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 21:04:48,293 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 21:04:48,996 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 21:04:49,006 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 21:04:49,006 INFO L300 CfgBuilder]: Removed 16 assume(true) statements. [2022-11-02 21:04:49,008 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 09:04:49 BoogieIcfgContainer [2022-11-02 21:04:49,009 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 21:04:49,011 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 21:04:49,012 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 21:04:49,050 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 21:04:49,063 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 09:04:47" (1/3) ... [2022-11-02 21:04:49,064 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b6798e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 09:04:49, skipping insertion in model container [2022-11-02 21:04:49,064 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:04:47" (2/3) ... [2022-11-02 21:04:49,065 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b6798e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 09:04:49, skipping insertion in model container [2022-11-02 21:04:49,065 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 09:04:49" (3/3) ... [2022-11-02 21:04:49,066 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0663b.c [2022-11-02 21:04:49,122 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 21:04:49,122 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-02 21:04:49,195 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 21:04:49,203 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;@615ac6d0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 21:04:49,203 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-02 21:04:49,210 INFO L276 IsEmpty]: Start isEmpty. Operand has 94 states, 86 states have (on average 1.6627906976744187) internal successors, (143), 87 states have internal predecessors, (143), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-02 21:04:49,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-02 21:04:49,220 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:04:49,220 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:04:49,222 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 21:04:49,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:04:49,232 INFO L85 PathProgramCache]: Analyzing trace with hash 2113749773, now seen corresponding path program 1 times [2022-11-02 21:04:49,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:04:49,245 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927310608] [2022-11-02 21:04:49,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:04:49,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:04:49,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:49,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:04:49,634 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:04:49,635 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1927310608] [2022-11-02 21:04:49,636 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1927310608] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:04:49,636 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:04:49,636 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 21:04:49,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651577663] [2022-11-02 21:04:49,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:04:49,646 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-02 21:04:49,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:04:49,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-02 21:04:49,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-02 21:04:49,699 INFO L87 Difference]: Start difference. First operand has 94 states, 86 states have (on average 1.6627906976744187) internal successors, (143), 87 states have internal predecessors, (143), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) 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) [2022-11-02 21:04:49,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:04:49,771 INFO L93 Difference]: Finished difference Result 185 states and 302 transitions. [2022-11-02 21:04:49,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-02 21:04:49,774 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 [2022-11-02 21:04:49,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:04:49,788 INFO L225 Difference]: With dead ends: 185 [2022-11-02 21:04:49,788 INFO L226 Difference]: Without dead ends: 90 [2022-11-02 21:04:49,795 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 [2022-11-02 21:04:49,803 INFO L413 NwaCegarLoop]: 134 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, 134 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 [2022-11-02 21:04:49,805 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-02 21:04:49,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2022-11-02 21:04:49,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2022-11-02 21:04:49,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 83 states have (on average 1.4578313253012047) internal successors, (121), 83 states have internal predecessors, (121), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-02 21:04:49,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 129 transitions. [2022-11-02 21:04:49,868 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 129 transitions. Word has length 11 [2022-11-02 21:04:49,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:04:49,869 INFO L495 AbstractCegarLoop]: Abstraction has 90 states and 129 transitions. [2022-11-02 21:04:49,869 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) [2022-11-02 21:04:49,870 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 129 transitions. [2022-11-02 21:04:49,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-02 21:04:49,871 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:04:49,871 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:04:49,871 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-02 21:04:49,872 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 21:04:49,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:04:49,873 INFO L85 PathProgramCache]: Analyzing trace with hash -177099114, now seen corresponding path program 1 times [2022-11-02 21:04:49,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:04:49,873 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [900508669] [2022-11-02 21:04:49,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:04:49,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:04:50,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:04:50,131 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 21:04:50,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:04:50,245 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 21:04:50,245 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-02 21:04:50,247 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-02 21:04:50,250 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-02 21:04:50,254 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-02 21:04:50,258 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-02 21:04:50,293 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 09:04:50 BoogieIcfgContainer [2022-11-02 21:04:50,294 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-02 21:04:50,294 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-02 21:04:50,295 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-02 21:04:50,295 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-02 21:04:50,296 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 09:04:49" (3/4) ... [2022-11-02 21:04:50,299 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-02 21:04:50,299 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-02 21:04:50,300 INFO L158 Benchmark]: Toolchain (without parser) took 3040.09ms. Allocated memory was 98.6MB in the beginning and 142.6MB in the end (delta: 44.0MB). Free memory was 70.7MB in the beginning and 66.5MB in the end (delta: 4.2MB). Peak memory consumption was 46.5MB. Max. memory is 16.1GB. [2022-11-02 21:04:50,301 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 98.6MB. Free memory is still 53.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 21:04:50,302 INFO L158 Benchmark]: CACSL2BoogieTranslator took 558.13ms. Allocated memory was 98.6MB in the beginning and 142.6MB in the end (delta: 44.0MB). Free memory was 70.5MB in the beginning and 113.8MB in the end (delta: -43.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-02 21:04:50,302 INFO L158 Benchmark]: Boogie Procedure Inliner took 97.54ms. Allocated memory is still 142.6MB. Free memory was 113.8MB in the beginning and 110.5MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-02 21:04:50,303 INFO L158 Benchmark]: Boogie Preprocessor took 109.90ms. Allocated memory is still 142.6MB. Free memory was 110.5MB in the beginning and 107.3MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 21:04:50,303 INFO L158 Benchmark]: RCFGBuilder took 979.36ms. Allocated memory is still 142.6MB. Free memory was 107.3MB in the beginning and 76.1MB in the end (delta: 31.2MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2022-11-02 21:04:50,304 INFO L158 Benchmark]: TraceAbstraction took 1282.41ms. Allocated memory is still 142.6MB. Free memory was 75.5MB in the beginning and 67.1MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-02 21:04:50,305 INFO L158 Benchmark]: Witness Printer took 4.86ms. Allocated memory is still 142.6MB. Free memory was 67.1MB in the beginning and 66.5MB in the end (delta: 574.6kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 21:04:50,309 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 98.6MB. Free memory is still 53.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 558.13ms. Allocated memory was 98.6MB in the beginning and 142.6MB in the end (delta: 44.0MB). Free memory was 70.5MB in the beginning and 113.8MB in the end (delta: -43.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 97.54ms. Allocated memory is still 142.6MB. Free memory was 113.8MB in the beginning and 110.5MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 109.90ms. Allocated memory is still 142.6MB. Free memory was 110.5MB in the beginning and 107.3MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 979.36ms. Allocated memory is still 142.6MB. Free memory was 107.3MB in the beginning and 76.1MB in the end (delta: 31.2MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * TraceAbstraction took 1282.41ms. Allocated memory is still 142.6MB. Free memory was 75.5MB in the beginning and 67.1MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 4.86ms. Allocated memory is still 142.6MB. Free memory was 67.1MB in the beginning and 66.5MB in the end (delta: 574.6kB). Peak memory consumption was 2.1MB. 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: 262]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 164, overapproximation of someUnaryDOUBLEoperation at line 54, overapproximation of bitwiseAnd at line 162, overapproximation of someBinaryArithmeticDOUBLEoperation at line 165, overapproximation of someBinaryDOUBLEComparisonOperation at line 261. Possible FailurePath: [L39-L44] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L46-L51] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L53-L60] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L62-L64] static const double one_atan = 1.0, pi_o_4 = 7.8539816339744827900E-01, pi_o_2 = 1.5707963267948965580E+00, pi = 3.1415926535897931160E+00, huge_atan = 1.0e300; [L141-L142] static const double tiny_atan2 = 1.0e-300, zero_atan2 = 0.0, pi_lo_atan2 = 1.2246467991473531772E-16; VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L253] double x = 0.0; [L254] double y = __VERIFIER_nondet_double(); [L256] COND TRUE y > 0.0 [L258] CALL, EXPR __ieee754_atan2(y, x) [L145] double z; [L146] __int32_t k, m, hx, hy, ix, iy; [L147] __uint32_t lx, ly; VAL [\old(x)=0, \old(y)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=0, y=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, zero_atan2=0] [L150] ieee_double_shape_type ew_u; [L151] ew_u.value = (x) [L152] EXPR ew_u.parts.msw [L152] (hx) = ew_u.parts.msw [L153] EXPR ew_u.parts.lsw [L153] (lx) = ew_u.parts.lsw [L155] ix = hx & 0x7fffffff VAL [\old(x)=0, \old(y)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=0, ix=0, lx=0, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=0, y=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, zero_atan2=0] [L157] ieee_double_shape_type ew_u; [L158] ew_u.value = (y) [L159] EXPR ew_u.parts.msw [L159] (hy) = ew_u.parts.msw [L160] EXPR ew_u.parts.lsw [L160] (ly) = ew_u.parts.lsw [L162] iy = hy & 0x7fffffff VAL [\old(x)=0, \old(y)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=0, hy=-1, ix=0, iy=0, lx=0, ly=1, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=0, y=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, zero_atan2=0] [L163-L164] COND TRUE ((ix | ((lx | -lx) >> 31)) > 0x7ff00000) || ((iy | ((ly | -ly) >> 31)) > 0x7ff00000) [L165] return x + y; VAL [\old(x)=0, \old(y)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=0, hy=-1, ix=0, iy=0, lx=0, ly=1, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=0, y=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, zero_atan2=0] [L258] RET, EXPR __ieee754_atan2(y, x) [L258] double res = __ieee754_atan2(y, x); [L261] COND TRUE res != pi_o_2 VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, res=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=0, y=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, zero_atan2=0] [L262] reach_error() VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, res=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=0, y=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, zero_atan2=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 94 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 134 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, 134 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=94occurred 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, 0.3s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 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 [2022-11-02 21:04:50,381 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccbf626-04d9-4e72-b95c-51c9cc19ca8c/bin/uautomizer-Dbtcem3rbc/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_bccbf626-04d9-4e72-b95c-51c9cc19ca8c/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccbf626-04d9-4e72-b95c-51c9cc19ca8c/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccbf626-04d9-4e72-b95c-51c9cc19ca8c/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccbf626-04d9-4e72-b95c-51c9cc19ca8c/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0663b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccbf626-04d9-4e72-b95c-51c9cc19ca8c/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccbf626-04d9-4e72-b95c-51c9cc19ca8c/bin/uautomizer-Dbtcem3rbc --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 7fe2b5be2f106b86d52b1d19807d3cd92c046776d3783d222383057baec9ed94 --- 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-5e519f3 [2022-11-02 21:04:53,049 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 21:04:53,051 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 21:04:53,093 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 21:04:53,093 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 21:04:53,098 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 21:04:53,101 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 21:04:53,108 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 21:04:53,114 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 21:04:53,116 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 21:04:53,117 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 21:04:53,120 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 21:04:53,121 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 21:04:53,127 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 21:04:53,128 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 21:04:53,130 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 21:04:53,133 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 21:04:53,135 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 21:04:53,137 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 21:04:53,143 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 21:04:53,149 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 21:04:53,150 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 21:04:53,152 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 21:04:53,153 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 21:04:53,161 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 21:04:53,167 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 21:04:53,167 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 21:04:53,169 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 21:04:53,171 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 21:04:53,172 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 21:04:53,173 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 21:04:53,174 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 21:04:53,175 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 21:04:53,177 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 21:04:53,178 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 21:04:53,178 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 21:04:53,179 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 21:04:53,180 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 21:04:53,180 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 21:04:53,182 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 21:04:53,184 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 21:04:53,185 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccbf626-04d9-4e72-b95c-51c9cc19ca8c/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2022-11-02 21:04:53,243 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 21:04:53,243 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 21:04:53,245 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 21:04:53,245 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 21:04:53,246 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 21:04:53,246 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 21:04:53,247 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 21:04:53,247 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 21:04:53,247 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 21:04:53,248 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 21:04:53,248 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-02 21:04:53,248 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-02 21:04:53,248 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 21:04:53,248 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 21:04:53,249 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 21:04:53,249 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 21:04:53,249 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-02 21:04:53,249 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-02 21:04:53,249 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-02 21:04:53,250 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-02 21:04:53,250 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 21:04:53,250 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 21:04:53,250 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 21:04:53,250 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 21:04:53,251 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 21:04:53,251 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 21:04:53,251 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 21:04:53,251 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 21:04:53,252 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 21:04:53,252 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 21:04:53,252 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-02 21:04:53,252 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-02 21:04:53,253 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 21:04:53,253 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 21:04:53,253 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 21:04:53,253 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-02 21:04:53,254 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccbf626-04d9-4e72-b95c-51c9cc19ca8c/bin/uautomizer-Dbtcem3rbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccbf626-04d9-4e72-b95c-51c9cc19ca8c/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7fe2b5be2f106b86d52b1d19807d3cd92c046776d3783d222383057baec9ed94 [2022-11-02 21:04:53,712 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 21:04:53,745 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 21:04:53,748 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 21:04:53,749 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 21:04:53,750 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 21:04:53,751 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccbf626-04d9-4e72-b95c-51c9cc19ca8c/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/float-newlib/double_req_bl_0663b.c [2022-11-02 21:04:53,823 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccbf626-04d9-4e72-b95c-51c9cc19ca8c/bin/uautomizer-Dbtcem3rbc/data/45c11bf96/38fe7fc1482549ab820e22e4171eef62/FLAGb5a2cdc54 [2022-11-02 21:04:54,434 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 21:04:54,435 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccbf626-04d9-4e72-b95c-51c9cc19ca8c/sv-benchmarks/c/float-newlib/double_req_bl_0663b.c [2022-11-02 21:04:54,446 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccbf626-04d9-4e72-b95c-51c9cc19ca8c/bin/uautomizer-Dbtcem3rbc/data/45c11bf96/38fe7fc1482549ab820e22e4171eef62/FLAGb5a2cdc54 [2022-11-02 21:04:54,770 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccbf626-04d9-4e72-b95c-51c9cc19ca8c/bin/uautomizer-Dbtcem3rbc/data/45c11bf96/38fe7fc1482549ab820e22e4171eef62 [2022-11-02 21:04:54,775 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 21:04:54,778 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 21:04:54,782 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 21:04:54,782 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 21:04:54,786 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 21:04:54,788 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 09:04:54" (1/1) ... [2022-11-02 21:04:54,791 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19e1e0ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:04:54, skipping insertion in model container [2022-11-02 21:04:54,792 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 09:04:54" (1/1) ... [2022-11-02 21:04:54,800 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 21:04:54,850 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 21:04:55,134 WARN L230 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_bccbf626-04d9-4e72-b95c-51c9cc19ca8c/sv-benchmarks/c/float-newlib/double_req_bl_0663b.c[6219,6232] [2022-11-02 21:04:55,160 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 21:04:55,184 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 21:04:55,289 WARN L230 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_bccbf626-04d9-4e72-b95c-51c9cc19ca8c/sv-benchmarks/c/float-newlib/double_req_bl_0663b.c[6219,6232] [2022-11-02 21:04:55,303 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 21:04:55,341 INFO L208 MainTranslator]: Completed translation [2022-11-02 21:04:55,342 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:04:55 WrapperNode [2022-11-02 21:04:55,342 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 21:04:55,343 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 21:04:55,344 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 21:04:55,344 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 21:04:55,352 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:04:55" (1/1) ... [2022-11-02 21:04:55,383 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:04:55" (1/1) ... [2022-11-02 21:04:55,428 INFO L138 Inliner]: procedures = 22, calls = 87, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 228 [2022-11-02 21:04:55,428 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 21:04:55,429 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 21:04:55,429 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 21:04:55,429 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 21:04:55,442 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:04:55" (1/1) ... [2022-11-02 21:04:55,443 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:04:55" (1/1) ... [2022-11-02 21:04:55,467 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:04:55" (1/1) ... [2022-11-02 21:04:55,468 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:04:55" (1/1) ... [2022-11-02 21:04:55,485 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:04:55" (1/1) ... [2022-11-02 21:04:55,493 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:04:55" (1/1) ... [2022-11-02 21:04:55,496 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:04:55" (1/1) ... [2022-11-02 21:04:55,498 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:04:55" (1/1) ... [2022-11-02 21:04:55,503 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 21:04:55,504 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 21:04:55,505 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 21:04:55,505 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 21:04:55,506 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:04:55" (1/1) ... [2022-11-02 21:04:55,513 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 21:04:55,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccbf626-04d9-4e72-b95c-51c9cc19ca8c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:04:55,561 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccbf626-04d9-4e72-b95c-51c9cc19ca8c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 21:04:55,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccbf626-04d9-4e72-b95c-51c9cc19ca8c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 21:04:55,611 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 21:04:55,611 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2022-11-02 21:04:55,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2022-11-02 21:04:55,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-02 21:04:55,614 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-02 21:04:55,614 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2022-11-02 21:04:55,614 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2022-11-02 21:04:55,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2022-11-02 21:04:55,614 INFO L130 BoogieDeclarations]: Found specification of procedure atan_double [2022-11-02 21:04:55,615 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_double [2022-11-02 21:04:55,615 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-02 21:04:55,615 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 21:04:55,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 21:04:55,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-02 21:04:55,615 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-02 21:04:55,761 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 21:04:55,763 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 21:05:15,507 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 21:05:15,516 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 21:05:15,516 INFO L300 CfgBuilder]: Removed 16 assume(true) statements. [2022-11-02 21:05:15,519 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 09:05:15 BoogieIcfgContainer [2022-11-02 21:05:15,519 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 21:05:15,523 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 21:05:15,523 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 21:05:15,527 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 21:05:15,527 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 09:04:54" (1/3) ... [2022-11-02 21:05:15,528 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32fa6bfe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 09:05:15, skipping insertion in model container [2022-11-02 21:05:15,529 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:04:55" (2/3) ... [2022-11-02 21:05:15,529 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32fa6bfe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 09:05:15, skipping insertion in model container [2022-11-02 21:05:15,529 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 09:05:15" (3/3) ... [2022-11-02 21:05:15,531 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0663b.c [2022-11-02 21:05:15,553 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 21:05:15,553 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-02 21:05:15,606 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 21:05:15,612 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;@e1d62eb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 21:05:15,613 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-02 21:05:15,616 INFO L276 IsEmpty]: Start isEmpty. Operand has 94 states, 86 states have (on average 1.6627906976744187) internal successors, (143), 87 states have internal predecessors, (143), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-02 21:05:15,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-02 21:05:15,625 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:05:15,625 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:05:15,626 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 21:05:15,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:05:15,632 INFO L85 PathProgramCache]: Analyzing trace with hash 2113749773, now seen corresponding path program 1 times [2022-11-02 21:05:15,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-02 21:05:15,646 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [125736708] [2022-11-02 21:05:15,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:05:15,647 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-02 21:05:15,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccbf626-04d9-4e72-b95c-51c9cc19ca8c/bin/uautomizer-Dbtcem3rbc/mathsat [2022-11-02 21:05:15,648 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccbf626-04d9-4e72-b95c-51c9cc19ca8c/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-02 21:05:15,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccbf626-04d9-4e72-b95c-51c9cc19ca8c/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-02 21:05:16,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:16,060 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-02 21:05:16,064 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 21:05:16,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:05:16,093 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 21:05:16,094 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-02 21:05:16,094 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [125736708] [2022-11-02 21:05:16,095 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [125736708] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:05:16,096 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:05:16,096 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 21:05:16,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971500335] [2022-11-02 21:05:16,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:05:16,104 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-02 21:05:16,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-02 21:05:16,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-02 21:05:16,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-02 21:05:16,147 INFO L87 Difference]: Start difference. First operand has 94 states, 86 states have (on average 1.6627906976744187) internal successors, (143), 87 states have internal predecessors, (143), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) 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) [2022-11-02 21:05:16,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:05:16,201 INFO L93 Difference]: Finished difference Result 185 states and 302 transitions. [2022-11-02 21:05:16,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-02 21:05:16,207 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 [2022-11-02 21:05:16,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:05:16,229 INFO L225 Difference]: With dead ends: 185 [2022-11-02 21:05:16,232 INFO L226 Difference]: Without dead ends: 90 [2022-11-02 21:05:16,236 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 [2022-11-02 21:05:16,240 INFO L413 NwaCegarLoop]: 134 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, 134 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 [2022-11-02 21:05:16,241 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-02 21:05:16,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2022-11-02 21:05:16,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2022-11-02 21:05:16,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 83 states have (on average 1.4578313253012047) internal successors, (121), 83 states have internal predecessors, (121), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-02 21:05:16,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 129 transitions. [2022-11-02 21:05:16,284 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 129 transitions. Word has length 11 [2022-11-02 21:05:16,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:05:16,285 INFO L495 AbstractCegarLoop]: Abstraction has 90 states and 129 transitions. [2022-11-02 21:05:16,285 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) [2022-11-02 21:05:16,286 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 129 transitions. [2022-11-02 21:05:16,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-02 21:05:16,287 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:05:16,287 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:05:16,309 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccbf626-04d9-4e72-b95c-51c9cc19ca8c/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-02 21:05:16,509 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccbf626-04d9-4e72-b95c-51c9cc19ca8c/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 [2022-11-02 21:05:16,509 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 21:05:16,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:05:16,510 INFO L85 PathProgramCache]: Analyzing trace with hash -177099114, now seen corresponding path program 1 times [2022-11-02 21:05:16,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-02 21:05:16,510 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1211175380] [2022-11-02 21:05:16,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:05:16,511 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-02 21:05:16,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccbf626-04d9-4e72-b95c-51c9cc19ca8c/bin/uautomizer-Dbtcem3rbc/mathsat [2022-11-02 21:05:16,512 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccbf626-04d9-4e72-b95c-51c9cc19ca8c/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-02 21:05:16,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccbf626-04d9-4e72-b95c-51c9cc19ca8c/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-02 21:05:17,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:17,046 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 21 conjunts are in the unsatisfiable core [2022-11-02 21:05:17,050 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 21:05:17,640 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 16 [2022-11-02 21:05:19,088 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2022-11-02 21:05:22,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:05:22,626 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 21:05:22,626 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-02 21:05:22,626 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1211175380] [2022-11-02 21:05:22,627 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1211175380] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:05:22,627 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:05:22,627 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-02 21:05:22,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544630227] [2022-11-02 21:05:22,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:05:22,629 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-02 21:05:22,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-02 21:05:22,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-02 21:05:22,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=42, Unknown=1, NotChecked=0, Total=56 [2022-11-02 21:05:22,631 INFO L87 Difference]: Start difference. First operand 90 states and 129 transitions. Second operand has 8 states, 8 states have (on average 1.625) internal successors, (13), 8 states have internal predecessors, (13), 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) [2022-11-02 21:05:26,099 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.63s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-02 21:05:26,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:05:26,110 INFO L93 Difference]: Finished difference Result 94 states and 132 transitions. [2022-11-02 21:05:26,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-02 21:05:26,293 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.625) internal successors, (13), 8 states have internal predecessors, (13), 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 13 [2022-11-02 21:05:26,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:05:26,294 INFO L225 Difference]: With dead ends: 94 [2022-11-02 21:05:26,294 INFO L226 Difference]: Without dead ends: 90 [2022-11-02 21:05:26,295 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=23, Invalid=66, Unknown=1, NotChecked=0, Total=90 [2022-11-02 21:05:26,296 INFO L413 NwaCegarLoop]: 122 mSDtfsCounter, 5 mSDsluCounter, 665 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 787 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 70 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-11-02 21:05:26,297 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 787 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 1 Unknown, 70 Unchecked, 2.8s Time] [2022-11-02 21:05:26,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2022-11-02 21:05:26,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2022-11-02 21:05:26,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 83 states have (on average 1.4457831325301205) internal successors, (120), 83 states have internal predecessors, (120), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-02 21:05:26,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 128 transitions. [2022-11-02 21:05:26,309 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 128 transitions. Word has length 13 [2022-11-02 21:05:26,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:05:26,310 INFO L495 AbstractCegarLoop]: Abstraction has 90 states and 128 transitions. [2022-11-02 21:05:26,310 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1.625) internal successors, (13), 8 states have internal predecessors, (13), 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) [2022-11-02 21:05:26,310 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 128 transitions. [2022-11-02 21:05:26,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-02 21:05:26,311 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:05:26,311 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:05:26,331 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccbf626-04d9-4e72-b95c-51c9cc19ca8c/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-02 21:05:26,515 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccbf626-04d9-4e72-b95c-51c9cc19ca8c/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 [2022-11-02 21:05:26,515 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 21:05:26,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:05:26,516 INFO L85 PathProgramCache]: Analyzing trace with hash 1590624253, now seen corresponding path program 1 times [2022-11-02 21:05:26,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-02 21:05:26,517 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1546331753] [2022-11-02 21:05:26,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:05:26,518 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-02 21:05:26,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccbf626-04d9-4e72-b95c-51c9cc19ca8c/bin/uautomizer-Dbtcem3rbc/mathsat [2022-11-02 21:05:26,519 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccbf626-04d9-4e72-b95c-51c9cc19ca8c/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-02 21:05:26,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccbf626-04d9-4e72-b95c-51c9cc19ca8c/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-02 21:05:26,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:26,928 INFO L263 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-02 21:05:26,932 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 21:05:30,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:05:30,844 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 21:05:30,845 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-02 21:05:30,845 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1546331753] [2022-11-02 21:05:30,845 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1546331753] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:05:30,845 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:05:30,845 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 21:05:30,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [820337443] [2022-11-02 21:05:30,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:05:30,846 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 21:05:30,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-02 21:05:30,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 21:05:30,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-02 21:05:30,847 INFO L87 Difference]: Start difference. First operand 90 states and 128 transitions. Second operand has 6 states, 6 states have (on average 3.0) internal successors, (18), 5 states have internal predecessors, (18), 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) [2022-11-02 21:05:41,122 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-02 21:05:43,967 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.68s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-02 21:05:45,979 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-02 21:05:47,987 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-02 21:05:49,676 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-02 21:05:52,195 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-02 21:05:56,858 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.49s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:05:58,442 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-02 21:06:00,759 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-02 21:06:02,953 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:06:05,903 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.64s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-02 21:06:07,927 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-02 21:06:09,933 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-02 21:06:12,823 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.65s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-02 21:06:15,692 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.87s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-02 21:06:18,600 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.91s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-02 21:06:21,483 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.88s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-02 21:06:21,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:06:21,821 INFO L93 Difference]: Finished difference Result 98 states and 136 transitions. [2022-11-02 21:06:21,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-02 21:06:21,822 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 5 states have internal predecessors, (18), 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 18 [2022-11-02 21:06:21,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:06:21,825 INFO L225 Difference]: With dead ends: 98 [2022-11-02 21:06:21,826 INFO L226 Difference]: Without dead ends: 93 [2022-11-02 21:06:21,826 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 5.7s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-11-02 21:06:21,827 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 107 mSDsluCounter, 267 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 1 mSolverCounterUnsat, 13 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 44.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 367 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 13 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 46.8s IncrementalHoareTripleChecker+Time [2022-11-02 21:06:21,828 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 367 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 122 Invalid, 13 Unknown, 0 Unchecked, 46.8s Time] [2022-11-02 21:06:21,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2022-11-02 21:06:21,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 90. [2022-11-02 21:06:21,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 83 states have (on average 1.4337349397590362) internal successors, (119), 83 states have internal predecessors, (119), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-02 21:06:21,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 127 transitions. [2022-11-02 21:06:21,845 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 127 transitions. Word has length 18 [2022-11-02 21:06:21,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:06:21,846 INFO L495 AbstractCegarLoop]: Abstraction has 90 states and 127 transitions. [2022-11-02 21:06:21,846 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 5 states have internal predecessors, (18), 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) [2022-11-02 21:06:21,847 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 127 transitions. [2022-11-02 21:06:21,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-02 21:06:21,848 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:06:21,848 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:06:21,871 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccbf626-04d9-4e72-b95c-51c9cc19ca8c/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-02 21:06:22,067 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccbf626-04d9-4e72-b95c-51c9cc19ca8c/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 [2022-11-02 21:06:22,067 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 21:06:22,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:06:22,068 INFO L85 PathProgramCache]: Analyzing trace with hash 1588777211, now seen corresponding path program 1 times [2022-11-02 21:06:22,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-02 21:06:22,069 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1519850502] [2022-11-02 21:06:22,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:06:22,069 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-02 21:06:22,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccbf626-04d9-4e72-b95c-51c9cc19ca8c/bin/uautomizer-Dbtcem3rbc/mathsat [2022-11-02 21:06:22,071 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccbf626-04d9-4e72-b95c-51c9cc19ca8c/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-02 21:06:22,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccbf626-04d9-4e72-b95c-51c9cc19ca8c/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-11-02 21:06:22,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:22,484 INFO L263 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-02 21:06:22,486 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 21:06:24,832 WARN L855 $PredicateComparison]: unable to prove that (exists ((|v_skolemized_q#valueAsBitvector_31| (_ BitVec 64))) (and (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_31|) |c_ULTIMATE.start___ieee754_atan2_~hy~0#1|) (fp.gt (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_31|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_31|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_31|)) (_ +zero 11 53)))) is different from true [2022-11-02 21:06:25,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:06:25,373 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 21:06:25,374 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-02 21:06:25,374 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1519850502] [2022-11-02 21:06:25,374 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1519850502] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:06:25,374 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:06:25,374 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 21:06:25,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [326162187] [2022-11-02 21:06:25,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:06:25,375 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 21:06:25,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-02 21:06:25,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 21:06:25,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=4, Unknown=1, NotChecked=2, Total=12 [2022-11-02 21:06:25,376 INFO L87 Difference]: Start difference. First operand 90 states and 127 transitions. Second operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 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) [2022-11-02 21:06:32,243 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.61s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-02 21:06:32,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:06:32,246 INFO L93 Difference]: Finished difference Result 97 states and 134 transitions. [2022-11-02 21:06:32,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 21:06:32,439 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 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 18 [2022-11-02 21:06:32,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:06:32,440 INFO L225 Difference]: With dead ends: 97 [2022-11-02 21:06:32,441 INFO L226 Difference]: Without dead ends: 91 [2022-11-02 21:06:32,441 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.3s TimeCoverageRelationStatistics Valid=8, Invalid=6, Unknown=2, NotChecked=4, Total=20 [2022-11-02 21:06:32,442 INFO L413 NwaCegarLoop]: 124 mSDtfsCounter, 2 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 236 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 130 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-11-02 21:06:32,442 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 236 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 1 Unknown, 130 Unchecked, 2.7s Time] [2022-11-02 21:06:32,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2022-11-02 21:06:32,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2022-11-02 21:06:32,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 84 states have (on average 1.4285714285714286) internal successors, (120), 84 states have internal predecessors, (120), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-02 21:06:32,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 128 transitions. [2022-11-02 21:06:32,452 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 128 transitions. Word has length 18 [2022-11-02 21:06:32,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:06:32,453 INFO L495 AbstractCegarLoop]: Abstraction has 91 states and 128 transitions. [2022-11-02 21:06:32,453 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 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) [2022-11-02 21:06:32,453 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 128 transitions. [2022-11-02 21:06:32,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-02 21:06:32,454 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:06:32,454 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:06:32,482 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccbf626-04d9-4e72-b95c-51c9cc19ca8c/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-11-02 21:06:32,676 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccbf626-04d9-4e72-b95c-51c9cc19ca8c/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 [2022-11-02 21:06:32,677 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 21:06:32,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:06:32,677 INFO L85 PathProgramCache]: Analyzing trace with hash -809284995, now seen corresponding path program 1 times [2022-11-02 21:06:32,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-02 21:06:32,678 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [361434149] [2022-11-02 21:06:32,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:06:32,678 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-02 21:06:32,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccbf626-04d9-4e72-b95c-51c9cc19ca8c/bin/uautomizer-Dbtcem3rbc/mathsat [2022-11-02 21:06:32,680 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccbf626-04d9-4e72-b95c-51c9cc19ca8c/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-02 21:06:32,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccbf626-04d9-4e72-b95c-51c9cc19ca8c/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-11-02 21:06:33,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:33,068 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-02 21:06:33,069 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 21:06:38,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:06:38,305 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 21:06:38,305 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-02 21:06:38,306 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [361434149] [2022-11-02 21:06:38,306 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [361434149] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:06:38,306 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:06:38,306 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 21:06:38,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378726761] [2022-11-02 21:06:38,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:06:38,307 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 21:06:38,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-02 21:06:38,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 21:06:38,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=11, Unknown=2, NotChecked=0, Total=20 [2022-11-02 21:06:38,309 INFO L87 Difference]: Start difference. First operand 91 states and 128 transitions. Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 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) [2022-11-02 21:06:41,180 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.60s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-02 21:06:41,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:06:41,185 INFO L93 Difference]: Finished difference Result 162 states and 227 transitions. [2022-11-02 21:06:41,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 21:06:41,376 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 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 18 [2022-11-02 21:06:41,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:06:41,377 INFO L225 Difference]: With dead ends: 162 [2022-11-02 21:06:41,377 INFO L226 Difference]: Without dead ends: 86 [2022-11-02 21:06:41,378 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=11, Invalid=17, Unknown=2, NotChecked=0, Total=30 [2022-11-02 21:06:41,380 INFO L413 NwaCegarLoop]: 112 mSDtfsCounter, 7 mSDsluCounter, 306 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 418 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 20 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-11-02 21:06:41,381 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 418 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 1 Unknown, 20 Unchecked, 2.6s Time] [2022-11-02 21:06:41,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2022-11-02 21:06:41,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 82. [2022-11-02 21:06:41,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 75 states have (on average 1.4) internal successors, (105), 75 states have internal predecessors, (105), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-02 21:06:41,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 113 transitions. [2022-11-02 21:06:41,391 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 113 transitions. Word has length 18 [2022-11-02 21:06:41,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:06:41,392 INFO L495 AbstractCegarLoop]: Abstraction has 82 states and 113 transitions. [2022-11-02 21:06:41,392 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 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) [2022-11-02 21:06:41,392 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 113 transitions. [2022-11-02 21:06:41,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-02 21:06:41,393 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:06:41,393 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:06:41,410 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccbf626-04d9-4e72-b95c-51c9cc19ca8c/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-11-02 21:06:41,599 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccbf626-04d9-4e72-b95c-51c9cc19ca8c/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 [2022-11-02 21:06:41,600 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 21:06:41,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:06:41,600 INFO L85 PathProgramCache]: Analyzing trace with hash 1689344753, now seen corresponding path program 1 times [2022-11-02 21:06:41,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-02 21:06:41,601 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1380298500] [2022-11-02 21:06:41,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:06:41,601 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-02 21:06:41,602 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccbf626-04d9-4e72-b95c-51c9cc19ca8c/bin/uautomizer-Dbtcem3rbc/mathsat [2022-11-02 21:06:41,603 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccbf626-04d9-4e72-b95c-51c9cc19ca8c/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-02 21:06:41,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccbf626-04d9-4e72-b95c-51c9cc19ca8c/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-11-02 21:06:41,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:41,908 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-02 21:06:41,909 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 21:06:43,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:06:43,534 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 21:06:43,534 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-02 21:06:43,535 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1380298500] [2022-11-02 21:06:43,535 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1380298500] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:06:43,535 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:06:43,535 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-02 21:06:43,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [262800759] [2022-11-02 21:06:43,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:06:43,536 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 21:06:43,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-02 21:06:43,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 21:06:43,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-02 21:06:43,537 INFO L87 Difference]: Start difference. First operand 82 states and 113 transitions. Second operand has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 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) [2022-11-02 21:06:46,662 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.61s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-02 21:06:46,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:06:46,666 INFO L93 Difference]: Finished difference Result 141 states and 190 transitions. [2022-11-02 21:06:46,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-02 21:06:46,848 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 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 19 [2022-11-02 21:06:46,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:06:46,848 INFO L225 Difference]: With dead ends: 141 [2022-11-02 21:06:46,848 INFO L226 Difference]: Without dead ends: 75 [2022-11-02 21:06:46,849 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-11-02 21:06:46,850 INFO L413 NwaCegarLoop]: 89 mSDtfsCounter, 10 mSDsluCounter, 335 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 424 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 12 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-11-02 21:06:46,850 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 424 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 12 Unchecked, 2.7s Time] [2022-11-02 21:06:46,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2022-11-02 21:06:46,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 71. [2022-11-02 21:06:46,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 64 states have (on average 1.3125) internal successors, (84), 64 states have internal predecessors, (84), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-02 21:06:46,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 92 transitions. [2022-11-02 21:06:46,859 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 92 transitions. Word has length 19 [2022-11-02 21:06:46,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:06:46,859 INFO L495 AbstractCegarLoop]: Abstraction has 71 states and 92 transitions. [2022-11-02 21:06:46,859 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 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) [2022-11-02 21:06:46,859 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 92 transitions. [2022-11-02 21:06:46,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-02 21:06:46,860 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:06:46,860 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:06:46,876 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccbf626-04d9-4e72-b95c-51c9cc19ca8c/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (7)] Ended with exit code 0 [2022-11-02 21:06:47,067 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccbf626-04d9-4e72-b95c-51c9cc19ca8c/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 [2022-11-02 21:06:47,067 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 21:06:47,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:06:47,068 INFO L85 PathProgramCache]: Analyzing trace with hash 590719438, now seen corresponding path program 1 times [2022-11-02 21:06:47,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-02 21:06:47,068 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1842218582] [2022-11-02 21:06:47,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:06:47,068 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-02 21:06:47,068 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccbf626-04d9-4e72-b95c-51c9cc19ca8c/bin/uautomizer-Dbtcem3rbc/mathsat [2022-11-02 21:06:47,069 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccbf626-04d9-4e72-b95c-51c9cc19ca8c/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-02 21:06:47,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccbf626-04d9-4e72-b95c-51c9cc19ca8c/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-11-02 21:06:47,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:47,424 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-02 21:06:47,426 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 21:06:52,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:06:52,128 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 21:06:52,128 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-02 21:06:52,128 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1842218582] [2022-11-02 21:06:52,129 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1842218582] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:06:52,129 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:06:52,129 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 21:06:52,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798210642] [2022-11-02 21:06:52,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:06:52,129 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 21:06:52,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-02 21:06:52,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 21:06:52,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=6, Unknown=1, NotChecked=0, Total=12 [2022-11-02 21:06:52,130 INFO L87 Difference]: Start difference. First operand 71 states and 92 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:06:52,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:06:52,611 INFO L93 Difference]: Finished difference Result 80 states and 99 transitions. [2022-11-02 21:06:52,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 21:06:52,612 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2022-11-02 21:06:52,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:06:52,613 INFO L225 Difference]: With dead ends: 80 [2022-11-02 21:06:52,613 INFO L226 Difference]: Without dead ends: 75 [2022-11-02 21:06:52,613 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=9, Invalid=10, Unknown=1, NotChecked=0, Total=20 [2022-11-02 21:06:52,614 INFO L413 NwaCegarLoop]: 90 mSDtfsCounter, 28 mSDsluCounter, 134 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 224 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 9 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-02 21:06:52,615 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 224 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 9 Unchecked, 0.0s Time] [2022-11-02 21:06:52,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2022-11-02 21:06:52,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 71. [2022-11-02 21:06:52,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 64 states have (on average 1.296875) internal successors, (83), 64 states have internal predecessors, (83), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-02 21:06:52,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 91 transitions. [2022-11-02 21:06:52,624 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 91 transitions. Word has length 20 [2022-11-02 21:06:52,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:06:52,625 INFO L495 AbstractCegarLoop]: Abstraction has 71 states and 91 transitions. [2022-11-02 21:06:52,625 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:06:52,625 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 91 transitions. [2022-11-02 21:06:52,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-02 21:06:52,626 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:06:52,627 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:06:52,656 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccbf626-04d9-4e72-b95c-51c9cc19ca8c/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-11-02 21:06:52,852 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccbf626-04d9-4e72-b95c-51c9cc19ca8c/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 [2022-11-02 21:06:52,852 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 21:06:52,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:06:52,853 INFO L85 PathProgramCache]: Analyzing trace with hash 592566480, now seen corresponding path program 1 times [2022-11-02 21:06:52,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-02 21:06:52,853 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1723492614] [2022-11-02 21:06:52,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:06:52,853 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-02 21:06:52,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccbf626-04d9-4e72-b95c-51c9cc19ca8c/bin/uautomizer-Dbtcem3rbc/mathsat [2022-11-02 21:06:52,854 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccbf626-04d9-4e72-b95c-51c9cc19ca8c/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-02 21:06:52,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccbf626-04d9-4e72-b95c-51c9cc19ca8c/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-11-02 21:06:53,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:53,271 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-02 21:06:53,272 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 21:06:57,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:06:57,975 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 21:06:57,975 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-02 21:06:57,976 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1723492614] [2022-11-02 21:06:57,976 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1723492614] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:06:57,976 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:06:57,976 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 21:06:57,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1522126125] [2022-11-02 21:06:57,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:06:57,977 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 21:06:57,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-02 21:06:57,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 21:06:57,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-02 21:06:57,978 INFO L87 Difference]: Start difference. First operand 71 states and 91 transitions. Second operand has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 5 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:07:00,567 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-02 21:07:05,755 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.65s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-02 21:07:07,765 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-02 21:07:09,777 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-02 21:07:13,340 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-02 21:07:17,431 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.30s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:07:19,645 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-02 21:07:21,820 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-02 21:07:23,829 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-02 21:07:26,464 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-02 21:07:28,678 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:07:31,682 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.60s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-02 21:07:33,693 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-02 21:07:35,057 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-02 21:07:37,994 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.66s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-02 21:07:40,832 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.84s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-02 21:07:43,690 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.86s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-02 21:07:46,646 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.96s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-02 21:07:46,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:07:46,998 INFO L93 Difference]: Finished difference Result 82 states and 101 transitions. [2022-11-02 21:07:46,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-02 21:07:46,999 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 5 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2022-11-02 21:07:46,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:07:47,000 INFO L225 Difference]: With dead ends: 82 [2022-11-02 21:07:47,000 INFO L226 Difference]: Without dead ends: 76 [2022-11-02 21:07:47,000 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-11-02 21:07:47,001 INFO L413 NwaCegarLoop]: 74 mSDtfsCounter, 66 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 1 mSolverCounterUnsat, 15 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 43.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 269 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 15 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 45.9s IncrementalHoareTripleChecker+Time [2022-11-02 21:07:47,002 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 269 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 71 Invalid, 15 Unknown, 0 Unchecked, 45.9s Time] [2022-11-02 21:07:47,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2022-11-02 21:07:47,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 69. [2022-11-02 21:07:47,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 62 states have (on average 1.2903225806451613) internal successors, (80), 62 states have internal predecessors, (80), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-02 21:07:47,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 88 transitions. [2022-11-02 21:07:47,014 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 88 transitions. Word has length 20 [2022-11-02 21:07:47,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:07:47,014 INFO L495 AbstractCegarLoop]: Abstraction has 69 states and 88 transitions. [2022-11-02 21:07:47,014 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 5 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:07:47,015 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 88 transitions. [2022-11-02 21:07:47,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-02 21:07:47,016 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:07:47,016 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:07:47,040 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccbf626-04d9-4e72-b95c-51c9cc19ca8c/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (9)] Ended with exit code 0 [2022-11-02 21:07:47,239 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccbf626-04d9-4e72-b95c-51c9cc19ca8c/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 [2022-11-02 21:07:47,240 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 21:07:47,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:07:47,240 INFO L85 PathProgramCache]: Analyzing trace with hash 802050970, now seen corresponding path program 1 times [2022-11-02 21:07:47,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-02 21:07:47,240 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1309626374] [2022-11-02 21:07:47,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:07:47,241 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-02 21:07:47,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccbf626-04d9-4e72-b95c-51c9cc19ca8c/bin/uautomizer-Dbtcem3rbc/mathsat [2022-11-02 21:07:47,243 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccbf626-04d9-4e72-b95c-51c9cc19ca8c/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-02 21:07:47,244 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccbf626-04d9-4e72-b95c-51c9cc19ca8c/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-11-02 21:07:47,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:07:47,741 INFO L263 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-02 21:07:47,742 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 21:07:53,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:07:53,585 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 21:07:53,585 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-02 21:07:53,585 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1309626374] [2022-11-02 21:07:53,585 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1309626374] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:07:53,585 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:07:53,585 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 21:07:53,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115407805] [2022-11-02 21:07:53,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:07:53,586 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 21:07:53,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-02 21:07:53,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 21:07:53,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-02 21:07:53,587 INFO L87 Difference]: Start difference. First operand 69 states and 88 transitions. Second operand has 6 states, 6 states have (on average 3.5) internal successors, (21), 5 states have internal predecessors, (21), 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) [2022-11-02 21:07:59,757 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.61s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-02 21:08:01,761 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-02 21:08:03,767 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-02 21:08:11,352 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.24s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:08:14,367 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-02 21:08:17,097 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-02 21:08:19,327 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:08:21,653 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-02 21:08:24,509 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.61s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-02 21:08:26,514 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-02 21:08:28,525 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-02 21:08:29,545 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-02 21:08:32,320 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.66s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-02 21:08:35,255 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.94s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-02 21:08:38,071 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.81s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-02 21:08:40,953 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.88s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-02 21:08:41,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:08:41,326 INFO L93 Difference]: Finished difference Result 89 states and 111 transitions. [2022-11-02 21:08:41,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-02 21:08:41,327 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.5) internal successors, (21), 5 states have internal predecessors, (21), 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 21 [2022-11-02 21:08:41,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:08:41,328 INFO L225 Difference]: With dead ends: 89 [2022-11-02 21:08:41,328 INFO L226 Difference]: Without dead ends: 85 [2022-11-02 21:08:41,328 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.3s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-11-02 21:08:41,330 INFO L413 NwaCegarLoop]: 71 mSDtfsCounter, 92 mSDsluCounter, 182 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 1 mSolverCounterUnsat, 14 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 41.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 253 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 14 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 43.9s IncrementalHoareTripleChecker+Time [2022-11-02 21:08:41,331 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 253 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 83 Invalid, 14 Unknown, 0 Unchecked, 43.9s Time] [2022-11-02 21:08:41,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2022-11-02 21:08:41,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 71. [2022-11-02 21:08:41,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 64 states have (on average 1.28125) internal successors, (82), 64 states have internal predecessors, (82), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-02 21:08:41,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 90 transitions. [2022-11-02 21:08:41,340 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 90 transitions. Word has length 21 [2022-11-02 21:08:41,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:08:41,340 INFO L495 AbstractCegarLoop]: Abstraction has 71 states and 90 transitions. [2022-11-02 21:08:41,340 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.5) internal successors, (21), 5 states have internal predecessors, (21), 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) [2022-11-02 21:08:41,340 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 90 transitions. [2022-11-02 21:08:41,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-02 21:08:41,341 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:08:41,341 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:08:41,370 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccbf626-04d9-4e72-b95c-51c9cc19ca8c/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-11-02 21:08:41,542 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccbf626-04d9-4e72-b95c-51c9cc19ca8c/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 [2022-11-02 21:08:41,542 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 21:08:41,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:08:41,542 INFO L85 PathProgramCache]: Analyzing trace with hash 664265859, now seen corresponding path program 1 times [2022-11-02 21:08:41,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-02 21:08:41,543 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1488037052] [2022-11-02 21:08:41,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:08:41,543 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-02 21:08:41,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccbf626-04d9-4e72-b95c-51c9cc19ca8c/bin/uautomizer-Dbtcem3rbc/mathsat [2022-11-02 21:08:41,544 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccbf626-04d9-4e72-b95c-51c9cc19ca8c/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-02 21:08:41,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccbf626-04d9-4e72-b95c-51c9cc19ca8c/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-11-02 21:08:41,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:41,851 INFO L263 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-02 21:08:41,852 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 21:08:43,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:08:43,754 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 21:08:43,755 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-02 21:08:43,755 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1488037052] [2022-11-02 21:08:43,755 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1488037052] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:08:43,755 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:08:43,755 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 21:08:43,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166863645] [2022-11-02 21:08:43,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:08:43,756 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 21:08:43,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-02 21:08:43,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 21:08:43,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-02 21:08:43,757 INFO L87 Difference]: Start difference. First operand 71 states and 90 transitions. Second operand has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 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) [2022-11-02 21:08:46,890 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.65s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-02 21:08:46,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:08:46,896 INFO L93 Difference]: Finished difference Result 99 states and 123 transitions. [2022-11-02 21:08:47,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-02 21:08:47,101 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 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) Word has length 22 [2022-11-02 21:08:47,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:08:47,102 INFO L225 Difference]: With dead ends: 99 [2022-11-02 21:08:47,102 INFO L226 Difference]: Without dead ends: 84 [2022-11-02 21:08:47,102 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-02 21:08:47,103 INFO L413 NwaCegarLoop]: 81 mSDtfsCounter, 23 mSDsluCounter, 228 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 309 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 5 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-11-02 21:08:47,103 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 309 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 5 Unchecked, 2.7s Time] [2022-11-02 21:08:47,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2022-11-02 21:08:47,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 71. [2022-11-02 21:08:47,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 64 states have (on average 1.265625) internal successors, (81), 64 states have internal predecessors, (81), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-02 21:08:47,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 89 transitions. [2022-11-02 21:08:47,111 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 89 transitions. Word has length 22 [2022-11-02 21:08:47,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:08:47,112 INFO L495 AbstractCegarLoop]: Abstraction has 71 states and 89 transitions. [2022-11-02 21:08:47,112 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 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) [2022-11-02 21:08:47,112 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 89 transitions. [2022-11-02 21:08:47,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-02 21:08:47,113 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:08:47,113 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:08:47,133 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccbf626-04d9-4e72-b95c-51c9cc19ca8c/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2022-11-02 21:08:47,327 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccbf626-04d9-4e72-b95c-51c9cc19ca8c/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 [2022-11-02 21:08:47,328 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 21:08:47,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:08:47,328 INFO L85 PathProgramCache]: Analyzing trace with hash 2015754869, now seen corresponding path program 1 times [2022-11-02 21:08:47,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-02 21:08:47,328 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [865996873] [2022-11-02 21:08:47,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:08:47,329 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-02 21:08:47,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccbf626-04d9-4e72-b95c-51c9cc19ca8c/bin/uautomizer-Dbtcem3rbc/mathsat [2022-11-02 21:08:47,330 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccbf626-04d9-4e72-b95c-51c9cc19ca8c/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-02 21:08:47,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccbf626-04d9-4e72-b95c-51c9cc19ca8c/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2022-11-02 21:08:47,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:47,933 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-02 21:08:47,939 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 21:08:48,597 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 16 [2022-11-02 21:08:49,653 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 8 [2022-11-02 21:08:55,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:08:55,377 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 21:08:55,377 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-02 21:08:55,377 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [865996873] [2022-11-02 21:08:55,377 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [865996873] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:08:55,378 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:08:55,378 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-02 21:08:55,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044253965] [2022-11-02 21:08:55,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:08:55,378 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-02 21:08:55,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-02 21:08:55,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-02 21:08:55,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=42, Unknown=1, NotChecked=0, Total=56 [2022-11-02 21:08:55,379 INFO L87 Difference]: Start difference. First operand 71 states and 89 transitions. Second operand has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 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) [2022-11-02 21:08:56,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:08:56,815 INFO L93 Difference]: Finished difference Result 79 states and 95 transitions. [2022-11-02 21:08:56,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-02 21:08:56,816 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 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 23 [2022-11-02 21:08:56,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:08:56,816 INFO L225 Difference]: With dead ends: 79 [2022-11-02 21:08:56,816 INFO L226 Difference]: Without dead ends: 64 [2022-11-02 21:08:56,817 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.7s TimeCoverageRelationStatistics Valid=23, Invalid=66, Unknown=1, NotChecked=0, Total=90 [2022-11-02 21:08:56,817 INFO L413 NwaCegarLoop]: 68 mSDtfsCounter, 12 mSDsluCounter, 374 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 442 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 28 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-02 21:08:56,818 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 442 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 28 Unchecked, 0.2s Time] [2022-11-02 21:08:56,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2022-11-02 21:08:56,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 60. [2022-11-02 21:08:56,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 53 states have (on average 1.2264150943396226) internal successors, (65), 53 states have internal predecessors, (65), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-02 21:08:56,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 73 transitions. [2022-11-02 21:08:56,824 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 73 transitions. Word has length 23 [2022-11-02 21:08:56,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:08:56,825 INFO L495 AbstractCegarLoop]: Abstraction has 60 states and 73 transitions. [2022-11-02 21:08:56,825 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 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) [2022-11-02 21:08:56,825 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 73 transitions. [2022-11-02 21:08:56,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-02 21:08:56,826 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:08:56,826 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:08:56,854 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccbf626-04d9-4e72-b95c-51c9cc19ca8c/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2022-11-02 21:08:57,026 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccbf626-04d9-4e72-b95c-51c9cc19ca8c/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 [2022-11-02 21:08:57,026 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 21:08:57,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:08:57,027 INFO L85 PathProgramCache]: Analyzing trace with hash 497810342, now seen corresponding path program 1 times [2022-11-02 21:08:57,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-02 21:08:57,027 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1891590858] [2022-11-02 21:08:57,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:08:57,034 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-02 21:08:57,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccbf626-04d9-4e72-b95c-51c9cc19ca8c/bin/uautomizer-Dbtcem3rbc/mathsat [2022-11-02 21:08:57,035 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccbf626-04d9-4e72-b95c-51c9cc19ca8c/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-02 21:08:57,037 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccbf626-04d9-4e72-b95c-51c9cc19ca8c/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2022-11-02 21:08:57,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:57,394 INFO L263 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-02 21:08:57,396 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 21:08:58,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:08:58,652 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 21:08:58,653 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-02 21:08:58,653 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1891590858] [2022-11-02 21:08:58,653 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1891590858] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:08:58,653 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:08:58,653 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 21:08:58,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445583498] [2022-11-02 21:08:58,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:08:58,654 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 21:08:58,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-02 21:08:58,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 21:08:58,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-02 21:08:58,655 INFO L87 Difference]: Start difference. First operand 60 states and 73 transitions. Second operand has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-02 21:09:01,784 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.63s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-02 21:09:01,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:09:01,788 INFO L93 Difference]: Finished difference Result 96 states and 118 transitions. [2022-11-02 21:09:01,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-02 21:09:01,987 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26 [2022-11-02 21:09:01,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:09:01,987 INFO L225 Difference]: With dead ends: 96 [2022-11-02 21:09:01,987 INFO L226 Difference]: Without dead ends: 58 [2022-11-02 21:09:01,988 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-02 21:09:01,989 INFO L413 NwaCegarLoop]: 65 mSDtfsCounter, 5 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 250 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 4 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-11-02 21:09:01,989 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 250 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 4 Unchecked, 2.7s Time] [2022-11-02 21:09:01,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2022-11-02 21:09:01,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2022-11-02 21:09:01,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 52 states have (on average 1.2115384615384615) internal successors, (63), 52 states have internal predecessors, (63), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-02 21:09:01,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 69 transitions. [2022-11-02 21:09:01,997 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 69 transitions. Word has length 26 [2022-11-02 21:09:01,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:09:01,998 INFO L495 AbstractCegarLoop]: Abstraction has 58 states and 69 transitions. [2022-11-02 21:09:01,998 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-02 21:09:01,998 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 69 transitions. [2022-11-02 21:09:02,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-11-02 21:09:02,004 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:09:02,005 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:09:02,021 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccbf626-04d9-4e72-b95c-51c9cc19ca8c/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2022-11-02 21:09:02,205 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccbf626-04d9-4e72-b95c-51c9cc19ca8c/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 [2022-11-02 21:09:02,205 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 21:09:02,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:09:02,206 INFO L85 PathProgramCache]: Analyzing trace with hash -1645193689, now seen corresponding path program 1 times [2022-11-02 21:09:02,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-02 21:09:02,206 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [764986832] [2022-11-02 21:09:02,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:09:02,206 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-02 21:09:02,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccbf626-04d9-4e72-b95c-51c9cc19ca8c/bin/uautomizer-Dbtcem3rbc/mathsat [2022-11-02 21:09:02,208 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccbf626-04d9-4e72-b95c-51c9cc19ca8c/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-02 21:09:02,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccbf626-04d9-4e72-b95c-51c9cc19ca8c/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2022-11-02 21:09:03,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:03,667 INFO L263 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-02 21:09:03,670 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 21:09:05,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:09:05,885 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 21:09:05,885 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-02 21:09:05,885 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [764986832] [2022-11-02 21:09:05,885 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [764986832] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:09:05,885 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:09:05,886 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-02 21:09:05,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865595572] [2022-11-02 21:09:05,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:09:05,887 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 21:09:05,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-02 21:09:05,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 21:09:05,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-02 21:09:05,888 INFO L87 Difference]: Start difference. First operand 58 states and 69 transitions. Second operand has 6 states, 6 states have (on average 6.5) internal successors, (39), 6 states have internal predecessors, (39), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-02 21:09:06,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:09:06,467 INFO L93 Difference]: Finished difference Result 58 states and 69 transitions. [2022-11-02 21:09:06,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-02 21:09:06,467 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 6 states have internal predecessors, (39), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 43 [2022-11-02 21:09:06,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:09:06,468 INFO L225 Difference]: With dead ends: 58 [2022-11-02 21:09:06,468 INFO L226 Difference]: Without dead ends: 0 [2022-11-02 21:09:06,468 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-11-02 21:09:06,469 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 5 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 6 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-02 21:09:06,470 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 27 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 6 Unchecked, 0.1s Time] [2022-11-02 21:09:06,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-02 21:09:06,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-02 21:09:06,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2022-11-02 21:09:06,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-02 21:09:06,471 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 43 [2022-11-02 21:09:06,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:09:06,472 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-02 21:09:06,472 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 6 states have internal predecessors, (39), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-02 21:09:06,472 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-02 21:09:06,472 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-02 21:09:06,475 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-02 21:09:06,511 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccbf626-04d9-4e72-b95c-51c9cc19ca8c/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (14)] Ended with exit code 0 [2022-11-02 21:09:06,691 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccbf626-04d9-4e72-b95c-51c9cc19ca8c/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 [2022-11-02 21:09:06,693 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-02 21:09:13,978 WARN L234 SmtUtils]: Spent 5.77s on a formula simplification. DAG size of input: 82 DAG size of output: 16 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2022-11-02 21:09:14,059 INFO L899 garLoopResultBuilder]: For program point L26(lines 26 31) no Hoare annotation was computed. [2022-11-02 21:09:14,059 INFO L902 garLoopResultBuilder]: At program point L26-1(lines 19 33) the Hoare annotation is: true [2022-11-02 21:09:14,059 INFO L899 garLoopResultBuilder]: For program point fabs_doubleEXIT(lines 19 33) no Hoare annotation was computed. [2022-11-02 21:09:14,060 INFO L899 garLoopResultBuilder]: For program point L26-2(lines 26 31) no Hoare annotation was computed. [2022-11-02 21:09:14,060 INFO L902 garLoopResultBuilder]: At program point fabs_doubleENTRY(lines 19 33) the Hoare annotation is: true [2022-11-02 21:09:14,060 INFO L899 garLoopResultBuilder]: For program point L21-1(lines 21 25) no Hoare annotation was computed. [2022-11-02 21:09:14,060 INFO L902 garLoopResultBuilder]: At program point L21-2(lines 21 25) the Hoare annotation is: true [2022-11-02 21:09:14,060 INFO L899 garLoopResultBuilder]: For program point fabs_doubleFINAL(lines 19 33) no Hoare annotation was computed. [2022-11-02 21:09:14,060 INFO L902 garLoopResultBuilder]: At program point L97(line 97) the Hoare annotation is: true [2022-11-02 21:09:14,060 INFO L899 garLoopResultBuilder]: For program point L97-1(line 97) no Hoare annotation was computed. [2022-11-02 21:09:14,063 INFO L899 garLoopResultBuilder]: For program point L85(lines 85 88) no Hoare annotation was computed. [2022-11-02 21:09:14,063 INFO L899 garLoopResultBuilder]: For program point L98(lines 98 114) no Hoare annotation was computed. [2022-11-02 21:09:14,063 INFO L899 garLoopResultBuilder]: For program point L90(lines 90 115) no Hoare annotation was computed. [2022-11-02 21:09:14,063 INFO L899 garLoopResultBuilder]: For program point L78-1(lines 78 82) no Hoare annotation was computed. [2022-11-02 21:09:14,063 INFO L902 garLoopResultBuilder]: At program point L78-2(lines 78 82) the Hoare annotation is: true [2022-11-02 21:09:14,063 INFO L899 garLoopResultBuilder]: For program point L78-3(lines 76 89) no Hoare annotation was computed. [2022-11-02 21:09:14,064 INFO L899 garLoopResultBuilder]: For program point L107(lines 107 113) no Hoare annotation was computed. [2022-11-02 21:09:14,064 INFO L899 garLoopResultBuilder]: For program point L107-2(lines 90 115) no Hoare annotation was computed. [2022-11-02 21:09:14,064 INFO L899 garLoopResultBuilder]: For program point L70-1(lines 70 74) no Hoare annotation was computed. [2022-11-02 21:09:14,064 INFO L902 garLoopResultBuilder]: At program point L70-2(lines 70 74) the Hoare annotation is: true [2022-11-02 21:09:14,065 INFO L899 garLoopResultBuilder]: For program point L132(line 132) no Hoare annotation was computed. [2022-11-02 21:09:14,065 INFO L899 garLoopResultBuilder]: For program point L70-3(lines 70 74) no Hoare annotation was computed. [2022-11-02 21:09:14,065 INFO L899 garLoopResultBuilder]: For program point L99(lines 99 105) no Hoare annotation was computed. [2022-11-02 21:09:14,065 INFO L899 garLoopResultBuilder]: For program point L132-2(line 132) no Hoare annotation was computed. [2022-11-02 21:09:14,065 INFO L899 garLoopResultBuilder]: For program point L128(lines 128 133) no Hoare annotation was computed. [2022-11-02 21:09:14,065 INFO L899 garLoopResultBuilder]: For program point L91(lines 91 94) no Hoare annotation was computed. [2022-11-02 21:09:14,065 INFO L899 garLoopResultBuilder]: For program point L91-2(lines 91 94) no Hoare annotation was computed. [2022-11-02 21:09:14,066 INFO L899 garLoopResultBuilder]: For program point atan_doubleEXIT(lines 66 134) no Hoare annotation was computed. [2022-11-02 21:09:14,066 INFO L899 garLoopResultBuilder]: For program point L92(lines 92 93) no Hoare annotation was computed. [2022-11-02 21:09:14,066 INFO L902 garLoopResultBuilder]: At program point atan_doubleENTRY(lines 66 134) the Hoare annotation is: true [2022-11-02 21:09:14,067 INFO L899 garLoopResultBuilder]: For program point L76(lines 76 89) no Hoare annotation was computed. [2022-11-02 21:09:14,067 INFO L899 garLoopResultBuilder]: For program point atan_doubleFINAL(lines 66 134) no Hoare annotation was computed. [2022-11-02 21:09:14,067 INFO L899 garLoopResultBuilder]: For program point L217(lines 217 220) no Hoare annotation was computed. [2022-11-02 21:09:14,067 INFO L899 garLoopResultBuilder]: For program point L217-2(lines 215 220) no Hoare annotation was computed. [2022-11-02 21:09:14,068 INFO L899 garLoopResultBuilder]: For program point L201(line 201) no Hoare annotation was computed. [2022-11-02 21:09:14,068 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-02 21:09:14,069 INFO L899 garLoopResultBuilder]: For program point L185(lines 185 209) no Hoare annotation was computed. [2022-11-02 21:09:14,069 INFO L899 garLoopResultBuilder]: For program point L185-1(lines 144 244) no Hoare annotation was computed. [2022-11-02 21:09:14,069 INFO L899 garLoopResultBuilder]: For program point L186(lines 186 208) no Hoare annotation was computed. [2022-11-02 21:09:14,069 INFO L899 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed. [2022-11-02 21:09:14,069 INFO L899 garLoopResultBuilder]: For program point L170(lines 170 180) no Hoare annotation was computed. [2022-11-02 21:09:14,069 INFO L899 garLoopResultBuilder]: For program point L170-2(lines 144 244) no Hoare annotation was computed. [2022-11-02 21:09:14,070 INFO L895 garLoopResultBuilder]: At program point L220(line 220) the Hoare annotation is: false [2022-11-02 21:09:14,070 INFO L899 garLoopResultBuilder]: For program point L187(lines 187 196) no Hoare annotation was computed. [2022-11-02 21:09:14,070 INFO L895 garLoopResultBuilder]: At program point L220-1(line 220) the Hoare annotation is: false [2022-11-02 21:09:14,070 INFO L899 garLoopResultBuilder]: For program point L220-2(line 220) no Hoare annotation was computed. [2022-11-02 21:09:14,070 INFO L899 garLoopResultBuilder]: For program point L171(lines 171 179) no Hoare annotation was computed. [2022-11-02 21:09:14,071 INFO L899 garLoopResultBuilder]: For program point L221(lines 221 243) no Hoare annotation was computed. [2022-11-02 21:09:14,071 INFO L899 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed. [2022-11-02 21:09:14,072 INFO L899 garLoopResultBuilder]: For program point L205(line 205) no Hoare annotation was computed. [2022-11-02 21:09:14,073 INFO L899 garLoopResultBuilder]: For program point L172(line 172) no Hoare annotation was computed. [2022-11-02 21:09:14,073 INFO L899 garLoopResultBuilder]: For program point L172-2(line 172) no Hoare annotation was computed. [2022-11-02 21:09:14,073 INFO L899 garLoopResultBuilder]: For program point L222(line 222) no Hoare annotation was computed. [2022-11-02 21:09:14,073 INFO L899 garLoopResultBuilder]: For program point L156-1(lines 156 161) no Hoare annotation was computed. [2022-11-02 21:09:14,074 INFO L895 garLoopResultBuilder]: At program point L156-2(lines 156 161) the Hoare annotation is: (and (= ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0)) ~tiny_atan2~0) (= ~pi_o_2~0 ((_ to_fp 11 53) currentRoundingMode (/ 785398163397448279.0 500000000000000000.0))) (exists ((|v_skolemized_q#valueAsBitvector_53| (_ BitVec 64))) (and (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_53|) |ULTIMATE.start___ieee754_atan2_~hx~1#1|) (= (_ +zero 11 53) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_53|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_53|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_53|))))) (fp.gt |ULTIMATE.start___ieee754_atan2_~y#1| (_ +zero 11 53)) (= ~pi_lo_atan2~0 ((_ to_fp 11 53) currentRoundingMode (/ 3061616997868382943.0 25000000000000000000000000000000000.0))) (= currentRoundingMode roundNearestTiesToEven) (exists ((|v_skolemized_q#valueAsBitvector_23| (_ BitVec 64)) (|v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_6| (_ BitVec 32))) (let ((.cse0 (select (select |#memory_int| |v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_6|) (_ bv4 32)))) (and (= .cse0 ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_23|)) (= |ULTIMATE.start___ieee754_atan2_~ix~1#1| (bvand (_ bv2147483647 32) .cse0)) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_23|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_23|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_23|)) (_ +zero 11 53))))) (exists ((|v_skolemized_q#valueAsBitvector_72| (_ BitVec 64))) (and (= ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_72|) |ULTIMATE.start___ieee754_atan2_~lx~0#1|) (= (_ +zero 11 53) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_72|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_72|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_72|))) (= |ULTIMATE.start___ieee754_atan2_~ix~1#1| (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_72|)))))) [2022-11-02 21:09:14,074 INFO L899 garLoopResultBuilder]: For program point L156-3(lines 156 161) no Hoare annotation was computed. [2022-11-02 21:09:14,074 INFO L899 garLoopResultBuilder]: For program point L239(line 239) no Hoare annotation was computed. [2022-11-02 21:09:14,075 INFO L899 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2022-11-02 21:09:14,075 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-02 21:09:14,075 INFO L899 garLoopResultBuilder]: For program point L256(lines 256 265) no Hoare annotation was computed. [2022-11-02 21:09:14,075 INFO L899 garLoopResultBuilder]: For program point L190(line 190) no Hoare annotation was computed. [2022-11-02 21:09:14,075 INFO L899 garLoopResultBuilder]: For program point L256-2(lines 256 265) no Hoare annotation was computed. [2022-11-02 21:09:14,075 INFO L899 garLoopResultBuilder]: For program point L224(line 224) no Hoare annotation was computed. [2022-11-02 21:09:14,076 INFO L899 garLoopResultBuilder]: For program point L241(line 241) no Hoare annotation was computed. [2022-11-02 21:09:14,076 INFO L899 garLoopResultBuilder]: For program point L175(line 175) no Hoare annotation was computed. [2022-11-02 21:09:14,076 INFO L899 garLoopResultBuilder]: For program point L192(line 192) no Hoare annotation was computed. [2022-11-02 21:09:14,076 INFO L899 garLoopResultBuilder]: For program point L226-1(lines 226 230) no Hoare annotation was computed. [2022-11-02 21:09:14,076 INFO L895 garLoopResultBuilder]: At program point L226-2(lines 226 230) the Hoare annotation is: false [2022-11-02 21:09:14,076 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-02 21:09:14,076 INFO L899 garLoopResultBuilder]: For program point L177(line 177) no Hoare annotation was computed. [2022-11-02 21:09:14,077 INFO L895 garLoopResultBuilder]: At program point L144(lines 144 244) the Hoare annotation is: (and (= ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0)) ~tiny_atan2~0) (= ~pi_o_2~0 ((_ to_fp 11 53) roundNearestTiesToEven (/ 785398163397448279.0 500000000000000000.0))) (= |ULTIMATE.start___ieee754_atan2_#res#1| (fp.add roundNearestTiesToEven ~pi_o_2~0 ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0)))) (= currentRoundingMode roundNearestTiesToEven)) [2022-11-02 21:09:14,077 INFO L899 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2022-11-02 21:09:14,077 INFO L899 garLoopResultBuilder]: For program point L261(lines 261 264) no Hoare annotation was computed. [2022-11-02 21:09:14,077 INFO L899 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2022-11-02 21:09:14,078 INFO L899 garLoopResultBuilder]: For program point L212-2(line 212) no Hoare annotation was computed. [2022-11-02 21:09:14,078 INFO L899 garLoopResultBuilder]: For program point L262(line 262) no Hoare annotation was computed. [2022-11-02 21:09:14,078 INFO L899 garLoopResultBuilder]: For program point L163(lines 163 165) no Hoare annotation was computed. [2022-11-02 21:09:14,078 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-02 21:09:14,078 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 262) no Hoare annotation was computed. [2022-11-02 21:09:14,078 INFO L899 garLoopResultBuilder]: For program point L231(lines 231 236) no Hoare annotation was computed. [2022-11-02 21:09:14,078 INFO L899 garLoopResultBuilder]: For program point L198(lines 198 207) no Hoare annotation was computed. [2022-11-02 21:09:14,079 INFO L895 garLoopResultBuilder]: At program point L231-1(lines 224 237) the Hoare annotation is: false [2022-11-02 21:09:14,079 INFO L899 garLoopResultBuilder]: For program point L231-2(lines 231 236) no Hoare annotation was computed. [2022-11-02 21:09:14,079 INFO L899 garLoopResultBuilder]: For program point L215(lines 215 220) no Hoare annotation was computed. [2022-11-02 21:09:14,079 INFO L899 garLoopResultBuilder]: For program point L149-1(lines 149 154) no Hoare annotation was computed. [2022-11-02 21:09:14,079 INFO L895 garLoopResultBuilder]: At program point L149-2(lines 149 154) the Hoare annotation is: (and (= ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0)) ~tiny_atan2~0) (= ~pi_o_2~0 ((_ to_fp 11 53) currentRoundingMode (/ 785398163397448279.0 500000000000000000.0))) (fp.gt |ULTIMATE.start___ieee754_atan2_~y#1| (_ +zero 11 53)) (= ~pi_lo_atan2~0 ((_ to_fp 11 53) currentRoundingMode (/ 3061616997868382943.0 25000000000000000000000000000000000.0))) (= (_ +zero 11 53) |ULTIMATE.start_main_~x~0#1|) (= currentRoundingMode roundNearestTiesToEven) (= (_ +zero 11 53) |ULTIMATE.start___ieee754_atan2_~x#1|)) [2022-11-02 21:09:14,080 INFO L899 garLoopResultBuilder]: For program point L149-3(lines 149 154) no Hoare annotation was computed. [2022-11-02 21:09:14,080 INFO L899 garLoopResultBuilder]: For program point L199(line 199) no Hoare annotation was computed. [2022-11-02 21:09:14,080 INFO L899 garLoopResultBuilder]: For program point L166(lines 166 167) no Hoare annotation was computed. [2022-11-02 21:09:14,080 INFO L899 garLoopResultBuilder]: For program point L183(line 183) no Hoare annotation was computed. [2022-11-02 21:09:14,080 INFO L899 garLoopResultBuilder]: For program point L183-2(line 183) no Hoare annotation was computed. [2022-11-02 21:09:14,080 INFO L902 garLoopResultBuilder]: At program point L266(lines 246 267) the Hoare annotation is: true [2022-11-02 21:09:14,081 INFO L895 garLoopResultBuilder]: At program point L167(line 167) the Hoare annotation is: false [2022-11-02 21:09:14,081 INFO L899 garLoopResultBuilder]: For program point L167-1(line 167) no Hoare annotation was computed. [2022-11-02 21:09:14,084 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:09:14,087 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-02 21:09:14,096 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-02 21:09:14,104 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-02 21:09:14,112 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_53,QUANTIFIED] [2022-11-02 21:09:14,115 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_53,QUANTIFIED] [2022-11-02 21:09:14,115 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_53,QUANTIFIED] [2022-11-02 21:09:14,116 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_53,QUANTIFIED] [2022-11-02 21:09:14,116 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-02 21:09:14,116 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_6,QUANTIFIED] [2022-11-02 21:09:14,116 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] [2022-11-02 21:09:14,117 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_6,QUANTIFIED] [2022-11-02 21:09:14,117 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] [2022-11-02 21:09:14,117 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] [2022-11-02 21:09:14,117 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] [2022-11-02 21:09:14,117 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_72,QUANTIFIED] [2022-11-02 21:09:14,117 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_72,QUANTIFIED] [2022-11-02 21:09:14,118 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_72,QUANTIFIED] [2022-11-02 21:09:14,118 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_72,QUANTIFIED] [2022-11-02 21:09:14,118 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_72,QUANTIFIED] [2022-11-02 21:09:14,123 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_53,QUANTIFIED] [2022-11-02 21:09:14,123 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_53,QUANTIFIED] [2022-11-02 21:09:14,124 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_53,QUANTIFIED] [2022-11-02 21:09:14,124 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_53,QUANTIFIED] [2022-11-02 21:09:14,124 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-02 21:09:14,124 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_6,QUANTIFIED] [2022-11-02 21:09:14,125 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] [2022-11-02 21:09:14,125 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_6,QUANTIFIED] [2022-11-02 21:09:14,125 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] [2022-11-02 21:09:14,125 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] [2022-11-02 21:09:14,126 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] [2022-11-02 21:09:14,126 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_72,QUANTIFIED] [2022-11-02 21:09:14,126 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_72,QUANTIFIED] [2022-11-02 21:09:14,126 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_72,QUANTIFIED] [2022-11-02 21:09:14,126 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_72,QUANTIFIED] [2022-11-02 21:09:14,127 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_72,QUANTIFIED] [2022-11-02 21:09:14,128 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-02 21:09:14,135 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-02 21:09:14,135 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-02 21:09:14,135 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-02 21:09:14,136 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-02 21:09:14,137 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-02 21:09:14,137 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-02 21:09:14,137 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-02 21:09:14,138 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 09:09:14 BoogieIcfgContainer [2022-11-02 21:09:14,138 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-02 21:09:14,139 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-02 21:09:14,139 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-02 21:09:14,140 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-02 21:09:14,140 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 09:05:15" (3/4) ... [2022-11-02 21:09:14,143 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-02 21:09:14,149 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure fabs_double [2022-11-02 21:09:14,149 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure atan_double [2022-11-02 21:09:14,168 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 29 nodes and edges [2022-11-02 21:09:14,169 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2022-11-02 21:09:14,169 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-02 21:09:14,170 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-02 21:09:14,198 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000) == tiny_atan2 && pi_o_2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 785398163397448279/500000000000000000)) && (\exists v_skolemized_q#valueAsBitvector_53 : bv64 :: v_skolemized_q#valueAsBitvector_53[63:32] == hx && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_53[63:63], v_skolemized_q#valueAsBitvector_53[62:52], v_skolemized_q#valueAsBitvector_53[51:0]))) && ~fp.gt~DOUBLE(y, ~Pluszero~LONGDOUBLE())) && pi_lo_atan2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3061616997868382943/25000000000000000000000000000000000)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists v_skolemized_q#valueAsBitvector_23 : bv64, v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_6 : bv32 :: (unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_6][4bv32] == v_skolemized_q#valueAsBitvector_23[63:32] && ix == ~bvand32(2147483647bv32, unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_6][4bv32])) && ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_23[63:63], v_skolemized_q#valueAsBitvector_23[62:52], v_skolemized_q#valueAsBitvector_23[51:0]) == ~Pluszero~LONGDOUBLE())) && (\exists v_skolemized_q#valueAsBitvector_72 : bv64 :: (v_skolemized_q#valueAsBitvector_72[31:0] == lx && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_72[63:63], v_skolemized_q#valueAsBitvector_72[62:52], v_skolemized_q#valueAsBitvector_72[51:0])) && ix == ~bvand32(2147483647bv32, v_skolemized_q#valueAsBitvector_72[63:32])) [2022-11-02 21:09:14,199 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000) == tiny_atan2 && pi_o_2 == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 785398163397448279/500000000000000000)) && \result == ~fp.add~DOUBLE(~roundNearestTiesToEven, pi_o_2, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2022-11-02 21:09:14,264 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccbf626-04d9-4e72-b95c-51c9cc19ca8c/bin/uautomizer-Dbtcem3rbc/witness.graphml [2022-11-02 21:09:14,265 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-02 21:09:14,266 INFO L158 Benchmark]: Toolchain (without parser) took 259488.17ms. Allocated memory was 65.0MB in the beginning and 90.2MB in the end (delta: 25.2MB). Free memory was 43.3MB in the beginning and 25.1MB in the end (delta: 18.2MB). Peak memory consumption was 42.6MB. Max. memory is 16.1GB. [2022-11-02 21:09:14,266 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 65.0MB. Free memory was 45.0MB in the beginning and 44.9MB in the end (delta: 44.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 21:09:14,266 INFO L158 Benchmark]: CACSL2BoogieTranslator took 560.69ms. Allocated memory is still 65.0MB. Free memory was 43.0MB in the beginning and 42.9MB in the end (delta: 111.1kB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-02 21:09:14,267 INFO L158 Benchmark]: Boogie Procedure Inliner took 85.13ms. Allocated memory is still 65.0MB. Free memory was 42.7MB in the beginning and 40.4MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 21:09:14,270 INFO L158 Benchmark]: Boogie Preprocessor took 74.65ms. Allocated memory is still 65.0MB. Free memory was 40.4MB in the beginning and 37.4MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-02 21:09:14,271 INFO L158 Benchmark]: RCFGBuilder took 20014.91ms. Allocated memory was 65.0MB in the beginning and 90.2MB in the end (delta: 25.2MB). Free memory was 37.4MB in the beginning and 65.8MB in the end (delta: -28.5MB). Peak memory consumption was 18.6MB. Max. memory is 16.1GB. [2022-11-02 21:09:14,271 INFO L158 Benchmark]: TraceAbstraction took 238615.62ms. Allocated memory is still 90.2MB. Free memory was 65.6MB in the beginning and 30.4MB in the end (delta: 35.1MB). Peak memory consumption was 35.4MB. Max. memory is 16.1GB. [2022-11-02 21:09:14,272 INFO L158 Benchmark]: Witness Printer took 126.15ms. Allocated memory is still 90.2MB. Free memory was 30.4MB in the beginning and 25.1MB in the end (delta: 5.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-02 21:09:14,281 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 65.0MB. Free memory was 45.0MB in the beginning and 44.9MB in the end (delta: 44.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 560.69ms. Allocated memory is still 65.0MB. Free memory was 43.0MB in the beginning and 42.9MB in the end (delta: 111.1kB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 85.13ms. Allocated memory is still 65.0MB. Free memory was 42.7MB in the beginning and 40.4MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 74.65ms. Allocated memory is still 65.0MB. Free memory was 40.4MB in the beginning and 37.4MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 20014.91ms. Allocated memory was 65.0MB in the beginning and 90.2MB in the end (delta: 25.2MB). Free memory was 37.4MB in the beginning and 65.8MB in the end (delta: -28.5MB). Peak memory consumption was 18.6MB. Max. memory is 16.1GB. * TraceAbstraction took 238615.62ms. Allocated memory is still 90.2MB. Free memory was 65.6MB in the beginning and 30.4MB in the end (delta: 35.1MB). Peak memory consumption was 35.4MB. Max. memory is 16.1GB. * Witness Printer took 126.15ms. Allocated memory is still 90.2MB. Free memory was 30.4MB in the beginning and 25.1MB in the end (delta: 5.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_53,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_53,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_53,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_53,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_72,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_72,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_72,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_72,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_72,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_53,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_53,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_53,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_53,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_72,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_72,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_72,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_72,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_72,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * 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 - PositiveResult [Line: 262]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 94 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 238.5s, OverallIterations: 13, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 174.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 7.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 48 mSolverCounterUnknown, 375 SdHoareTripleChecker+Valid, 152.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 362 mSDsluCounter, 4140 SdHoareTripleChecker+Invalid, 146.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 284 IncrementalHoareTripleChecker+Unchecked, 3003 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 301 IncrementalHoareTripleChecker+Invalid, 636 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 1137 mSDtfsCounter, 301 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 283 GetRequests, 214 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 46.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=94occurred in iteration=0, InterpolantAutomatonStates: 76, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 13 MinimizatonAttempts, 53 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 16 LocationsWithAnnotation, 60 PreInvPairs, 66 NumberOfFragments, 149 HoareAnnotationTreeSize, 60 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 16 FomulaSimplificationsInter, 891 FormulaSimplificationTreeSizeReductionInter, 7.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 5.1s SatisfiabilityAnalysisTime, 47.7s InterpolantComputationTime, 272 NumberOfCodeBlocks, 272 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 259 ConstructedInterpolants, 79 QuantifiedInterpolants, 2566 SizeOfPredicates, 80 NumberOfNonLiveVariables, 1959 ConjunctsInSsa, 132 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 149]: Loop Invariant [2022-11-02 21:09:14,304 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-02 21:09:14,305 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (((((~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000) == tiny_atan2 && pi_o_2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 785398163397448279/500000000000000000)) && ~fp.gt~DOUBLE(y, ~Pluszero~LONGDOUBLE())) && pi_lo_atan2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3061616997868382943/25000000000000000000000000000000000)) && ~Pluszero~LONGDOUBLE() == x) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~Pluszero~LONGDOUBLE() == x - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 246]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 224]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 156]: Loop Invariant [2022-11-02 21:09:14,308 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_53,QUANTIFIED] [2022-11-02 21:09:14,309 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_53,QUANTIFIED] [2022-11-02 21:09:14,309 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_53,QUANTIFIED] [2022-11-02 21:09:14,309 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_53,QUANTIFIED] [2022-11-02 21:09:14,309 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-02 21:09:14,309 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_6,QUANTIFIED] [2022-11-02 21:09:14,309 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] [2022-11-02 21:09:14,310 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_6,QUANTIFIED] [2022-11-02 21:09:14,310 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] [2022-11-02 21:09:14,310 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] [2022-11-02 21:09:14,310 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] [2022-11-02 21:09:14,310 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_72,QUANTIFIED] [2022-11-02 21:09:14,310 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_72,QUANTIFIED] [2022-11-02 21:09:14,311 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_72,QUANTIFIED] [2022-11-02 21:09:14,311 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_72,QUANTIFIED] [2022-11-02 21:09:14,311 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_72,QUANTIFIED] [2022-11-02 21:09:14,312 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_53,QUANTIFIED] [2022-11-02 21:09:14,320 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_53,QUANTIFIED] [2022-11-02 21:09:14,320 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_53,QUANTIFIED] [2022-11-02 21:09:14,320 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_53,QUANTIFIED] [2022-11-02 21:09:14,320 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-02 21:09:14,320 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_6,QUANTIFIED] [2022-11-02 21:09:14,321 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] [2022-11-02 21:09:14,321 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_6,QUANTIFIED] [2022-11-02 21:09:14,321 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] [2022-11-02 21:09:14,321 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] [2022-11-02 21:09:14,321 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] [2022-11-02 21:09:14,321 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_72,QUANTIFIED] [2022-11-02 21:09:14,322 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_72,QUANTIFIED] [2022-11-02 21:09:14,322 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_72,QUANTIFIED] [2022-11-02 21:09:14,322 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_72,QUANTIFIED] [2022-11-02 21:09:14,322 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_72,QUANTIFIED] Derived loop invariant: ((((((~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000) == tiny_atan2 && pi_o_2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 785398163397448279/500000000000000000)) && (\exists v_skolemized_q#valueAsBitvector_53 : bv64 :: v_skolemized_q#valueAsBitvector_53[63:32] == hx && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_53[63:63], v_skolemized_q#valueAsBitvector_53[62:52], v_skolemized_q#valueAsBitvector_53[51:0]))) && ~fp.gt~DOUBLE(y, ~Pluszero~LONGDOUBLE())) && pi_lo_atan2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3061616997868382943/25000000000000000000000000000000000)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists v_skolemized_q#valueAsBitvector_23 : bv64, v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_6 : bv32 :: (unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_6][4bv32] == v_skolemized_q#valueAsBitvector_23[63:32] && ix == ~bvand32(2147483647bv32, unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_6][4bv32])) && ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_23[63:63], v_skolemized_q#valueAsBitvector_23[62:52], v_skolemized_q#valueAsBitvector_23[51:0]) == ~Pluszero~LONGDOUBLE())) && (\exists v_skolemized_q#valueAsBitvector_72 : bv64 :: (v_skolemized_q#valueAsBitvector_72[31:0] == lx && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_72[63:63], v_skolemized_q#valueAsBitvector_72[62:52], v_skolemized_q#valueAsBitvector_72[51:0])) && ix == ~bvand32(2147483647bv32, v_skolemized_q#valueAsBitvector_72[63:32])) - InvariantResult [Line: 226]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 144]: Loop Invariant [2022-11-02 21:09:14,323 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-02 21:09:14,324 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-02 21:09:14,324 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-02 21:09:14,324 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-02 21:09:14,324 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-02 21:09:14,325 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-02 21:09:14,325 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-02 21:09:14,325 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000) == tiny_atan2 && pi_o_2 == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 785398163397448279/500000000000000000)) && \result == ~fp.add~DOUBLE(~roundNearestTiesToEven, pi_o_2, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-11-02 21:09:14,553 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccbf626-04d9-4e72-b95c-51c9cc19ca8c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2022-11-02 21:09:14,697 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccbf626-04d9-4e72-b95c-51c9cc19ca8c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE