./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0530b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_640cc67a-7b98-41ce-b6ad-67d1061907a7/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_640cc67a-7b98-41ce-b6ad-67d1061907a7/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_640cc67a-7b98-41ce-b6ad-67d1061907a7/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_640cc67a-7b98-41ce-b6ad-67d1061907a7/bin/uautomizer-DQz5hQGWxF/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0530b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_640cc67a-7b98-41ce-b6ad-67d1061907a7/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_640cc67a-7b98-41ce-b6ad-67d1061907a7/bin/uautomizer-DQz5hQGWxF --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 6915ca7c38b22dabdfa0a60568fe3819ee729e5435cec7a2a93391b1f034f0d0 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 06:46:06,997 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 06:46:07,000 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 06:46:07,060 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 06:46:07,061 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 06:46:07,066 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 06:46:07,068 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 06:46:07,072 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 06:46:07,075 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 06:46:07,083 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 06:46:07,084 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 06:46:07,086 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 06:46:07,086 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 06:46:07,089 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 06:46:07,091 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 06:46:07,098 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 06:46:07,101 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 06:46:07,103 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 06:46:07,105 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 06:46:07,112 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 06:46:07,114 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 06:46:07,116 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 06:46:07,119 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 06:46:07,120 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 06:46:07,126 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 06:46:07,126 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 06:46:07,127 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 06:46:07,129 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 06:46:07,129 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 06:46:07,131 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 06:46:07,131 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 06:46:07,132 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 06:46:07,134 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 06:46:07,135 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 06:46:07,137 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 06:46:07,137 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 06:46:07,138 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 06:46:07,138 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 06:46:07,138 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 06:46:07,139 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 06:46:07,140 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 06:46:07,141 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_640cc67a-7b98-41ce-b6ad-67d1061907a7/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-20 06:46:07,183 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 06:46:07,184 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 06:46:07,185 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 06:46:07,185 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 06:46:07,186 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 06:46:07,186 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 06:46:07,187 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 06:46:07,187 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 06:46:07,187 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 06:46:07,187 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 06:46:07,188 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 06:46:07,189 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 06:46:07,189 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 06:46:07,189 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 06:46:07,189 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 06:46:07,190 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 06:46:07,190 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 06:46:07,190 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 06:46:07,190 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 06:46:07,191 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 06:46:07,191 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 06:46:07,191 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 06:46:07,191 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 06:46:07,192 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 06:46:07,192 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 06:46:07,192 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 06:46:07,192 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 06:46:07,193 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 06:46:07,193 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 06:46:07,194 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 06:46:07,195 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-20 06:46:07,195 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-20 06:46:07,195 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 06:46:07,196 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 06:46:07,196 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_640cc67a-7b98-41ce-b6ad-67d1061907a7/bin/uautomizer-DQz5hQGWxF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_640cc67a-7b98-41ce-b6ad-67d1061907a7/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6915ca7c38b22dabdfa0a60568fe3819ee729e5435cec7a2a93391b1f034f0d0 [2021-11-20 06:46:07,514 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 06:46:07,541 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 06:46:07,543 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 06:46:07,544 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 06:46:07,545 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 06:46:07,547 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_640cc67a-7b98-41ce-b6ad-67d1061907a7/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/float-newlib/float_req_bl_0530b.c [2021-11-20 06:46:07,626 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_640cc67a-7b98-41ce-b6ad-67d1061907a7/bin/uautomizer-DQz5hQGWxF/data/5ad788ad1/a55e8a4a96ec4be0a475622b54796ffa/FLAGa19bf44e6 [2021-11-20 06:46:08,207 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 06:46:08,208 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_640cc67a-7b98-41ce-b6ad-67d1061907a7/sv-benchmarks/c/float-newlib/float_req_bl_0530b.c [2021-11-20 06:46:08,218 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_640cc67a-7b98-41ce-b6ad-67d1061907a7/bin/uautomizer-DQz5hQGWxF/data/5ad788ad1/a55e8a4a96ec4be0a475622b54796ffa/FLAGa19bf44e6 [2021-11-20 06:46:08,489 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_640cc67a-7b98-41ce-b6ad-67d1061907a7/bin/uautomizer-DQz5hQGWxF/data/5ad788ad1/a55e8a4a96ec4be0a475622b54796ffa [2021-11-20 06:46:08,491 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 06:46:08,493 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 06:46:08,496 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 06:46:08,496 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 06:46:08,499 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 06:46:08,500 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:46:08" (1/1) ... [2021-11-20 06:46:08,501 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52bbc22a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:46:08, skipping insertion in model container [2021-11-20 06:46:08,501 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:46:08" (1/1) ... [2021-11-20 06:46:08,508 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 06:46:08,566 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 06:46:08,888 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_640cc67a-7b98-41ce-b6ad-67d1061907a7/sv-benchmarks/c/float-newlib/float_req_bl_0530b.c[15592,15605] [2021-11-20 06:46:08,891 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:46:08,941 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 06:46:09,074 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_640cc67a-7b98-41ce-b6ad-67d1061907a7/sv-benchmarks/c/float-newlib/float_req_bl_0530b.c[15592,15605] [2021-11-20 06:46:09,077 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:46:09,132 INFO L208 MainTranslator]: Completed translation [2021-11-20 06:46:09,133 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:46:09 WrapperNode [2021-11-20 06:46:09,133 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 06:46:09,134 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 06:46:09,134 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 06:46:09,134 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 06:46:09,142 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:46:09" (1/1) ... [2021-11-20 06:46:09,174 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:46:09" (1/1) ... [2021-11-20 06:46:09,238 INFO L137 Inliner]: procedures = 25, calls = 519, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 1066 [2021-11-20 06:46:09,239 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 06:46:09,240 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 06:46:09,240 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 06:46:09,240 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 06:46:09,248 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:46:09" (1/1) ... [2021-11-20 06:46:09,248 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:46:09" (1/1) ... [2021-11-20 06:46:09,263 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:46:09" (1/1) ... [2021-11-20 06:46:09,264 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:46:09" (1/1) ... [2021-11-20 06:46:09,312 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:46:09" (1/1) ... [2021-11-20 06:46:09,342 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:46:09" (1/1) ... [2021-11-20 06:46:09,349 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:46:09" (1/1) ... [2021-11-20 06:46:09,361 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 06:46:09,362 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 06:46:09,362 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 06:46:09,362 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 06:46:09,363 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:46:09" (1/1) ... [2021-11-20 06:46:09,374 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 06:46:09,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_640cc67a-7b98-41ce-b6ad-67d1061907a7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:46:09,400 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_640cc67a-7b98-41ce-b6ad-67d1061907a7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 06:46:09,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_640cc67a-7b98-41ce-b6ad-67d1061907a7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 06:46:09,454 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 06:46:09,454 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 06:46:09,454 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-11-20 06:46:09,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 06:46:09,455 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2021-11-20 06:46:09,455 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2021-11-20 06:46:09,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-11-20 06:46:09,455 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_float [2021-11-20 06:46:09,456 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_float [2021-11-20 06:46:09,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 06:46:09,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2021-11-20 06:46:09,456 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_float [2021-11-20 06:46:09,456 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_float [2021-11-20 06:46:09,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 06:46:09,456 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_tanf [2021-11-20 06:46:09,457 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_tanf [2021-11-20 06:46:09,457 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 06:46:09,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 06:46:09,457 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 06:46:09,636 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 06:46:09,638 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 06:46:10,784 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 06:46:10,793 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 06:46:10,796 INFO L301 CfgBuilder]: Removed 65 assume(true) statements. [2021-11-20 06:46:10,799 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:46:10 BoogieIcfgContainer [2021-11-20 06:46:10,799 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 06:46:10,801 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 06:46:10,801 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 06:46:10,805 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 06:46:10,805 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 06:46:08" (1/3) ... [2021-11-20 06:46:10,807 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22f6685 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:46:10, skipping insertion in model container [2021-11-20 06:46:10,807 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:46:09" (2/3) ... [2021-11-20 06:46:10,807 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22f6685 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:46:10, skipping insertion in model container [2021-11-20 06:46:10,807 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:46:10" (3/3) ... [2021-11-20 06:46:10,810 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0530b.c [2021-11-20 06:46:10,815 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 06:46:10,816 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-20 06:46:10,908 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 06:46:10,915 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-20 06:46:10,916 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-20 06:46:10,940 INFO L276 IsEmpty]: Start isEmpty. Operand has 247 states, 230 states have (on average 1.6695652173913043) internal successors, (384), 231 states have internal predecessors, (384), 11 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2021-11-20 06:46:10,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-20 06:46:10,945 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:46:10,950 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:46:10,950 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:46:10,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:46:10,956 INFO L85 PathProgramCache]: Analyzing trace with hash 1661351645, now seen corresponding path program 1 times [2021-11-20 06:46:10,965 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:46:10,966 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295031735] [2021-11-20 06:46:10,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:46:10,968 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:46:11,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:46:11,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:46:11,361 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:46:11,362 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [295031735] [2021-11-20 06:46:11,363 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [295031735] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:46:11,363 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:46:11,364 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 06:46:11,366 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [28711350] [2021-11-20 06:46:11,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:46:11,371 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-20 06:46:11,372 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:46:11,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-20 06:46:11,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-20 06:46:11,412 INFO L87 Difference]: Start difference. First operand has 247 states, 230 states have (on average 1.6695652173913043) internal successors, (384), 231 states have internal predecessors, (384), 11 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:46:11,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:46:11,524 INFO L93 Difference]: Finished difference Result 492 states and 821 transitions. [2021-11-20 06:46:11,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 06:46:11,527 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2021-11-20 06:46:11,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:46:11,547 INFO L225 Difference]: With dead ends: 492 [2021-11-20 06:46:11,548 INFO L226 Difference]: Without dead ends: 244 [2021-11-20 06:46:11,559 INFO L932 BasicCegarLoop]: 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 [2021-11-20 06:46:11,563 INFO L933 BasicCegarLoop]: 340 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, 340 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 [2021-11-20 06:46:11,564 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 340 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-20 06:46:11,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2021-11-20 06:46:11,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 244. [2021-11-20 06:46:11,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 244 states, 228 states have (on average 1.381578947368421) internal successors, (315), 228 states have internal predecessors, (315), 11 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2021-11-20 06:46:11,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 337 transitions. [2021-11-20 06:46:11,661 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 337 transitions. Word has length 10 [2021-11-20 06:46:11,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:46:11,662 INFO L470 AbstractCegarLoop]: Abstraction has 244 states and 337 transitions. [2021-11-20 06:46:11,662 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:46:11,662 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 337 transitions. [2021-11-20 06:46:11,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-20 06:46:11,664 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:46:11,664 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:46:11,664 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-20 06:46:11,665 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:46:11,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:46:11,668 INFO L85 PathProgramCache]: Analyzing trace with hash 1285007371, now seen corresponding path program 1 times [2021-11-20 06:46:11,668 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:46:11,669 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168669748] [2021-11-20 06:46:11,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:46:11,670 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:46:11,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:46:11,802 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:46:11,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:46:11,950 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:46:11,950 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-20 06:46:11,952 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-20 06:46:11,954 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-20 06:46:11,958 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2021-11-20 06:46:11,961 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-20 06:46:12,047 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 06:46:12 BoogieIcfgContainer [2021-11-20 06:46:12,048 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-20 06:46:12,049 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-20 06:46:12,049 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-20 06:46:12,049 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-20 06:46:12,050 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:46:10" (3/4) ... [2021-11-20 06:46:12,052 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-20 06:46:12,053 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-20 06:46:12,056 INFO L158 Benchmark]: Toolchain (without parser) took 3561.14ms. Allocated memory was 94.4MB in the beginning and 123.7MB in the end (delta: 29.4MB). Free memory was 59.0MB in the beginning and 80.9MB in the end (delta: -21.8MB). Peak memory consumption was 8.8MB. Max. memory is 16.1GB. [2021-11-20 06:46:12,056 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 94.4MB. Free memory was 66.0MB in the beginning and 65.9MB in the end (delta: 30.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 06:46:12,062 INFO L158 Benchmark]: CACSL2BoogieTranslator took 637.69ms. Allocated memory was 94.4MB in the beginning and 123.7MB in the end (delta: 29.4MB). Free memory was 58.7MB in the beginning and 78.9MB in the end (delta: -20.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-20 06:46:12,064 INFO L158 Benchmark]: Boogie Procedure Inliner took 105.03ms. Allocated memory is still 123.7MB. Free memory was 78.9MB in the beginning and 71.9MB in the end (delta: 7.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-20 06:46:12,067 INFO L158 Benchmark]: Boogie Preprocessor took 121.53ms. Allocated memory is still 123.7MB. Free memory was 71.9MB in the beginning and 65.6MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-20 06:46:12,068 INFO L158 Benchmark]: RCFGBuilder took 1437.34ms. Allocated memory is still 123.7MB. Free memory was 65.6MB in the beginning and 56.8MB in the end (delta: 8.8MB). Peak memory consumption was 35.5MB. Max. memory is 16.1GB. [2021-11-20 06:46:12,068 INFO L158 Benchmark]: TraceAbstraction took 1247.06ms. Allocated memory is still 123.7MB. Free memory was 56.2MB in the beginning and 80.9MB in the end (delta: -24.7MB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. [2021-11-20 06:46:12,069 INFO L158 Benchmark]: Witness Printer took 5.16ms. Allocated memory is still 123.7MB. Free memory is still 80.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 06:46:12,076 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 94.4MB. Free memory was 66.0MB in the beginning and 65.9MB in the end (delta: 30.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 637.69ms. Allocated memory was 94.4MB in the beginning and 123.7MB in the end (delta: 29.4MB). Free memory was 58.7MB in the beginning and 78.9MB in the end (delta: -20.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 105.03ms. Allocated memory is still 123.7MB. Free memory was 78.9MB in the beginning and 71.9MB in the end (delta: 7.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 121.53ms. Allocated memory is still 123.7MB. Free memory was 71.9MB in the beginning and 65.6MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1437.34ms. Allocated memory is still 123.7MB. Free memory was 65.6MB in the beginning and 56.8MB in the end (delta: 8.8MB). Peak memory consumption was 35.5MB. Max. memory is 16.1GB. * TraceAbstraction took 1247.06ms. Allocated memory is still 123.7MB. Free memory was 56.2MB in the beginning and 80.9MB in the end (delta: -24.7MB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. * Witness Printer took 5.16ms. Allocated memory is still 123.7MB. Free memory is still 80.9MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 629]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 628, overapproximation of someUnaryDOUBLEoperation at line 497, overapproximation of bitwiseAnd at line 591, overapproximation of someUnaryFLOAToperation at line 624, overapproximation of someBinaryArithmeticFLOAToperation at line 596. Possible FailurePath: [L14] static const float huge_floor = 1.0e30; [L79-L81] static const float two25_scalbn = 3.355443200e+07, twom25_scalbn = 2.9802322388e-08, huge_scalbn = 1.0e+30, tiny_scalbn = 1.0e-30; [L149] static const int init_jk_krempio[] = {4, 7, 9}; [L151-L155] static const float PIo2_krempio[] = { 1.5703125000e+00, 4.5776367188e-04, 2.5987625122e-05, 7.5437128544e-08, 6.0026650317e-11, 7.3896444519e-13, 5.3845816694e-15, 5.6378512969e-18, 8.3009228831e-20, 3.2756352257e-22, 6.3331015649e-25, }; [L157-L159] static const float zero_krempio = 0.0, one_krempio = 1.0, two8_krempio = 2.5600000000e+02, twon8_krempio = 3.9062500000e-03; [L334-L352] static const __int32_t two_over_pi_rempio[] = { 0xA2, 0xF9, 0x83, 0x6E, 0x4E, 0x44, 0x15, 0x29, 0xFC, 0x27, 0x57, 0xD1, 0xF5, 0x34, 0xDD, 0xC0, 0xDB, 0x62, 0x95, 0x99, 0x3C, 0x43, 0x90, 0x41, 0xFE, 0x51, 0x63, 0xAB, 0xDE, 0xBB, 0xC5, 0x61, 0xB7, 0x24, 0x6E, 0x3A, 0x42, 0x4D, 0xD2, 0xE0, 0x06, 0x49, 0x2E, 0xEA, 0x09, 0xD1, 0x92, 0x1C, 0xFE, 0x1D, 0xEB, 0x1C, 0xB1, 0x29, 0xA7, 0x3E, 0xE8, 0x82, 0x35, 0xF5, 0x2E, 0xBB, 0x44, 0x84, 0xE9, 0x9C, 0x70, 0x26, 0xB4, 0x5F, 0x7E, 0x41, 0x39, 0x91, 0xD6, 0x39, 0x83, 0x53, 0x39, 0xF4, 0x9C, 0x84, 0x5F, 0x8B, 0xBD, 0xF9, 0x28, 0x3B, 0x1F, 0xF8, 0x97, 0xFF, 0xDE, 0x05, 0x98, 0x0F, 0xEF, 0x2F, 0x11, 0x8B, 0x5A, 0x0A, 0x6D, 0x1F, 0x6D, 0x36, 0x7E, 0xCF, 0x27, 0xCB, 0x09, 0xB7, 0x4F, 0x46, 0x3F, 0x66, 0x9E, 0x5F, 0xEA, 0x2D, 0x75, 0x27, 0xBA, 0xC7, 0xEB, 0xE5, 0xF1, 0x7B, 0x3D, 0x07, 0x39, 0xF7, 0x8A, 0x52, 0x92, 0xEA, 0x6B, 0xFB, 0x5F, 0xB1, 0x1F, 0x8D, 0x5D, 0x08, 0x56, 0x03, 0x30, 0x46, 0xFC, 0x7B, 0x6B, 0xAB, 0xF0, 0xCF, 0xBC, 0x20, 0x9A, 0xF4, 0x36, 0x1D, 0xA9, 0xE3, 0x91, 0x61, 0x5E, 0xE6, 0x1B, 0x08, 0x65, 0x99, 0x85, 0x5F, 0x14, 0xA0, 0x68, 0x40, 0x8D, 0xFF, 0xD8, 0x80, 0x4D, 0x73, 0x27, 0x31, 0x06, 0x06, 0x15, 0x56, 0xCA, 0x73, 0xA8, 0xC9, 0x60, 0xE2, 0x7B, 0xC0, 0x8C, 0x6B, }; [L354-L360] static const __int32_t npio2_hw_rempio[] = { 0x3fc90f00, 0x40490f00, 0x4096cb00, 0x40c90f00, 0x40fb5300, 0x4116cb00, 0x412fed00, 0x41490f00, 0x41623100, 0x417b5300, 0x418a3a00, 0x4196cb00, 0x41a35c00, 0x41afed00, 0x41bc7e00, 0x41c90f00, 0x41d5a000, 0x41e23100, 0x41eec200, 0x41fb5300, 0x4203f200, 0x420a3a00, 0x42108300, 0x4216cb00, 0x421d1400, 0x42235c00, 0x4229a500, 0x422fed00, 0x42363600, 0x423c7e00, 0x4242c700, 0x42490f00}; [L362-L371] static const float zero_rempio = 0.0000000000e+00, half_rempio = 5.0000000000e-01, two8_rempio = 2.5600000000e+02, invpio2_rempio = 6.3661980629e-01, pio2_1_rempio = 1.5707855225e+00, pio2_1t_rempio = 1.0804334124e-05, pio2_2_rempio = 1.0804273188e-05, pio2_2t_rempio = 6.0770999344e-11, pio2_3_rempio = 6.0770943833e-11, pio2_3t_rempio = 6.1232342629e-17; [L491-L499] static const float one_ktan = 1.0000000000e+00, pio4_ktan = 7.8539812565e-01, pio4lo_ktan = 3.7748947079e-08, T_ktan[] = { 3.3333334327e-01, 1.3333334029e-01, 5.3968254477e-02, 2.1869488060e-02, 8.8632395491e-03, 3.5920790397e-03, 1.4562094584e-03, 5.8804126456e-04, 2.4646313977e-04, 7.8179444245e-05, 7.1407252108e-05, -1.8558637748e-05, 2.5907305826e-05, }; VAL [half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=63661980629/100000000000, npio2_hw_rempio={7:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, PIo2_krempio={5:0}, pio4_ktan=15707962513/20000000000, pio4lo_ktan=37748947079/1000000000000000000, T_ktan={8:0}, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={6:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, zero_krempio=0, zero_rempio=0] [L624] float x = -0.0f; [L625] CALL, EXPR tan_float(x) [L582] float y[2], z = 0.0; [L583] __int32_t n, ix; VAL [\old(x)=1000000000000000000000000000002, half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=63661980629/100000000000, npio2_hw_rempio={7:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, PIo2_krempio={5:0}, pio4_ktan=15707962513/20000000000, pio4lo_ktan=37748947079/1000000000000000000, T_ktan={8:0}, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={6:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=1000000000000000000000000000002, y={13:0}, z=0, zero_krempio=0, zero_rempio=0] [L586] ieee_float_shape_type gf_u; [L587] gf_u.value = (x) [L588] EXPR gf_u.word [L588] (ix) = gf_u.word [L591] ix &= 0x7fffffff VAL [\old(x)=1000000000000000000000000000002, half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=63661980629/100000000000, npio2_hw_rempio={7:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, PIo2_krempio={5:0}, pio4_ktan=15707962513/20000000000, pio4lo_ktan=37748947079/1000000000000000000, T_ktan={8:0}, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={6:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=1000000000000000000000000000002, y={13:0}, z=0, zero_krempio=0, zero_rempio=0] [L592] COND FALSE !(ix <= 0x3f490fda) VAL [\old(x)=1000000000000000000000000000002, half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=63661980629/100000000000, ix=2139095040, npio2_hw_rempio={7:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, PIo2_krempio={5:0}, pio4_ktan=15707962513/20000000000, pio4lo_ktan=37748947079/1000000000000000000, T_ktan={8:0}, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={6:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=1000000000000000000000000000002, y={13:0}, z=0, zero_krempio=0, zero_rempio=0] [L595] COND TRUE !((ix) < 0x7f800000L) [L596] return x - x; [L596] return x - x; VAL [\old(x)=1000000000000000000000000000002, half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=63661980629/100000000000, ix=2139095040, npio2_hw_rempio={7:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, PIo2_krempio={5:0}, pio4_ktan=15707962513/20000000000, pio4lo_ktan=37748947079/1000000000000000000, T_ktan={8:0}, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={6:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=1000000000000000000000000000002, z=0, zero_krempio=0, zero_rempio=0] [L625] RET, EXPR tan_float(x) [L625] float res = tan_float(x); [L628] EXPR res == -0.0f && __signbit_float(res) == 1 VAL [half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=63661980629/100000000000, npio2_hw_rempio={7:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, PIo2_krempio={5:0}, pio4_ktan=15707962513/20000000000, pio4lo_ktan=37748947079/1000000000000000000, res=1000000000000000000000000000001, res == -0.0f && __signbit_float(res) == 1=0, T_ktan={8:0}, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={6:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=1000000000000000000000000000002, zero_krempio=0, zero_rempio=0] [L628] COND TRUE !(res == -0.0f && __signbit_float(res) == 1) [L629] reach_error() VAL [half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=63661980629/100000000000, npio2_hw_rempio={7:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, PIo2_krempio={5:0}, pio4_ktan=15707962513/20000000000, pio4lo_ktan=37748947079/1000000000000000000, res=1000000000000000000000000000001, T_ktan={8:0}, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={6:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=1000000000000000000000000000002, zero_krempio=0, zero_rempio=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 247 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, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 340 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, 340 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=247occurred 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: 0.1s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-11-20 06:46:12,137 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_640cc67a-7b98-41ce-b6ad-67d1061907a7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_640cc67a-7b98-41ce-b6ad-67d1061907a7/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_640cc67a-7b98-41ce-b6ad-67d1061907a7/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_640cc67a-7b98-41ce-b6ad-67d1061907a7/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_640cc67a-7b98-41ce-b6ad-67d1061907a7/bin/uautomizer-DQz5hQGWxF/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0530b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_640cc67a-7b98-41ce-b6ad-67d1061907a7/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_640cc67a-7b98-41ce-b6ad-67d1061907a7/bin/uautomizer-DQz5hQGWxF --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 6915ca7c38b22dabdfa0a60568fe3819ee729e5435cec7a2a93391b1f034f0d0 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 06:46:14,424 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 06:46:14,427 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 06:46:14,481 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 06:46:14,482 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 06:46:14,487 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 06:46:14,488 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 06:46:14,496 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 06:46:14,499 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 06:46:14,507 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 06:46:14,508 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 06:46:14,510 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 06:46:14,510 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 06:46:14,513 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 06:46:14,515 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 06:46:14,521 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 06:46:14,523 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 06:46:14,524 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 06:46:14,526 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 06:46:14,535 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 06:46:14,537 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 06:46:14,539 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 06:46:14,542 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 06:46:14,545 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 06:46:14,548 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 06:46:14,549 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 06:46:14,549 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 06:46:14,551 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 06:46:14,552 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 06:46:14,553 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 06:46:14,554 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 06:46:14,554 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 06:46:14,556 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 06:46:14,557 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 06:46:14,574 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 06:46:14,574 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 06:46:14,575 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 06:46:14,575 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 06:46:14,576 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 06:46:14,578 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 06:46:14,578 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 06:46:14,583 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_640cc67a-7b98-41ce-b6ad-67d1061907a7/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-11-20 06:46:14,611 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 06:46:14,611 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 06:46:14,611 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 06:46:14,612 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 06:46:14,612 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 06:46:14,612 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 06:46:14,613 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 06:46:14,613 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 06:46:14,613 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 06:46:14,614 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 06:46:14,614 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 06:46:14,614 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 06:46:14,614 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 06:46:14,614 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 06:46:14,615 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 06:46:14,615 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 06:46:14,615 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-20 06:46:14,615 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-20 06:46:14,615 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-20 06:46:14,616 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 06:46:14,616 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 06:46:14,616 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 06:46:14,616 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 06:46:14,616 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 06:46:14,617 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 06:46:14,617 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 06:46:14,617 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 06:46:14,617 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 06:46:14,617 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 06:46:14,618 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 06:46:14,618 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-11-20 06:46:14,618 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-20 06:46:14,618 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-20 06:46:14,618 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-20 06:46:14,619 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 06:46:14,619 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 06:46:14,619 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-20 06:46:14,619 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_640cc67a-7b98-41ce-b6ad-67d1061907a7/bin/uautomizer-DQz5hQGWxF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_640cc67a-7b98-41ce-b6ad-67d1061907a7/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6915ca7c38b22dabdfa0a60568fe3819ee729e5435cec7a2a93391b1f034f0d0 [2021-11-20 06:46:14,985 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 06:46:15,006 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 06:46:15,008 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 06:46:15,009 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 06:46:15,010 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 06:46:15,012 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_640cc67a-7b98-41ce-b6ad-67d1061907a7/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/float-newlib/float_req_bl_0530b.c [2021-11-20 06:46:15,078 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_640cc67a-7b98-41ce-b6ad-67d1061907a7/bin/uautomizer-DQz5hQGWxF/data/32216aeac/b55715e624ab430abb708c77b5a9e4ae/FLAGfeb1cad93 [2021-11-20 06:46:15,604 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 06:46:15,604 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_640cc67a-7b98-41ce-b6ad-67d1061907a7/sv-benchmarks/c/float-newlib/float_req_bl_0530b.c [2021-11-20 06:46:15,615 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_640cc67a-7b98-41ce-b6ad-67d1061907a7/bin/uautomizer-DQz5hQGWxF/data/32216aeac/b55715e624ab430abb708c77b5a9e4ae/FLAGfeb1cad93 [2021-11-20 06:46:15,944 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_640cc67a-7b98-41ce-b6ad-67d1061907a7/bin/uautomizer-DQz5hQGWxF/data/32216aeac/b55715e624ab430abb708c77b5a9e4ae [2021-11-20 06:46:15,947 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 06:46:15,948 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 06:46:15,950 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 06:46:15,950 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 06:46:15,953 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 06:46:15,953 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:46:15" (1/1) ... [2021-11-20 06:46:15,955 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fd68c4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:46:15, skipping insertion in model container [2021-11-20 06:46:15,955 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:46:15" (1/1) ... [2021-11-20 06:46:15,975 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 06:46:16,034 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 06:46:16,406 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_640cc67a-7b98-41ce-b6ad-67d1061907a7/sv-benchmarks/c/float-newlib/float_req_bl_0530b.c[15592,15605] [2021-11-20 06:46:16,409 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:46:16,450 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 06:46:16,593 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_640cc67a-7b98-41ce-b6ad-67d1061907a7/sv-benchmarks/c/float-newlib/float_req_bl_0530b.c[15592,15605] [2021-11-20 06:46:16,594 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:46:16,645 INFO L208 MainTranslator]: Completed translation [2021-11-20 06:46:16,646 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:46:16 WrapperNode [2021-11-20 06:46:16,646 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 06:46:16,647 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 06:46:16,648 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 06:46:16,648 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 06:46:16,655 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:46:16" (1/1) ... [2021-11-20 06:46:16,686 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:46:16" (1/1) ... [2021-11-20 06:46:16,791 INFO L137 Inliner]: procedures = 29, calls = 519, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 1064 [2021-11-20 06:46:16,791 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 06:46:16,792 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 06:46:16,792 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 06:46:16,792 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 06:46:16,803 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:46:16" (1/1) ... [2021-11-20 06:46:16,804 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:46:16" (1/1) ... [2021-11-20 06:46:16,828 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:46:16" (1/1) ... [2021-11-20 06:46:16,838 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:46:16" (1/1) ... [2021-11-20 06:46:16,904 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:46:16" (1/1) ... [2021-11-20 06:46:16,940 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:46:16" (1/1) ... [2021-11-20 06:46:16,950 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:46:16" (1/1) ... [2021-11-20 06:46:16,968 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 06:46:16,974 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 06:46:16,977 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 06:46:16,979 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 06:46:16,980 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:46:16" (1/1) ... [2021-11-20 06:46:17,001 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 06:46:17,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_640cc67a-7b98-41ce-b6ad-67d1061907a7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:46:17,023 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_640cc67a-7b98-41ce-b6ad-67d1061907a7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 06:46:17,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_640cc67a-7b98-41ce-b6ad-67d1061907a7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 06:46:17,076 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 06:46:17,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-20 06:46:17,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-20 06:46:17,077 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 06:46:17,077 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2021-11-20 06:46:17,077 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2021-11-20 06:46:17,078 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2021-11-20 06:46:17,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-20 06:46:17,078 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_float [2021-11-20 06:46:17,078 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_float [2021-11-20 06:46:17,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2021-11-20 06:46:17,079 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_float [2021-11-20 06:46:17,079 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_float [2021-11-20 06:46:17,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2021-11-20 06:46:17,079 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_tanf [2021-11-20 06:46:17,079 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_tanf [2021-11-20 06:46:17,080 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 06:46:17,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 06:46:17,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-20 06:46:17,080 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 06:46:17,314 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 06:46:17,315 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 06:46:51,469 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 06:46:51,484 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 06:46:51,485 INFO L301 CfgBuilder]: Removed 65 assume(true) statements. [2021-11-20 06:46:51,494 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:46:51 BoogieIcfgContainer [2021-11-20 06:46:51,494 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 06:46:51,497 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 06:46:51,497 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 06:46:51,500 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 06:46:51,500 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 06:46:15" (1/3) ... [2021-11-20 06:46:51,501 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@496473af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:46:51, skipping insertion in model container [2021-11-20 06:46:51,502 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:46:16" (2/3) ... [2021-11-20 06:46:51,502 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@496473af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:46:51, skipping insertion in model container [2021-11-20 06:46:51,502 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:46:51" (3/3) ... [2021-11-20 06:46:51,504 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0530b.c [2021-11-20 06:46:51,510 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 06:46:51,510 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-20 06:46:51,579 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 06:46:51,593 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-20 06:46:51,593 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-20 06:46:51,617 INFO L276 IsEmpty]: Start isEmpty. Operand has 247 states, 230 states have (on average 1.6695652173913043) internal successors, (384), 231 states have internal predecessors, (384), 11 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2021-11-20 06:46:51,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-20 06:46:51,622 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:46:51,623 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:46:51,623 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:46:51,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:46:51,629 INFO L85 PathProgramCache]: Analyzing trace with hash 1661351645, now seen corresponding path program 1 times [2021-11-20 06:46:51,643 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 06:46:51,643 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [750201199] [2021-11-20 06:46:51,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:46:51,645 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 06:46:51,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_640cc67a-7b98-41ce-b6ad-67d1061907a7/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 06:46:51,648 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_640cc67a-7b98-41ce-b6ad-67d1061907a7/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 06:46:51,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_640cc67a-7b98-41ce-b6ad-67d1061907a7/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-20 06:46:53,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:46:53,230 INFO L263 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-20 06:46:53,235 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:46:53,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:46:53,359 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:46:53,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:46:53,445 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 06:46:53,445 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [750201199] [2021-11-20 06:46:53,445 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [750201199] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 06:46:53,446 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:46:53,446 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-20 06:46:53,448 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890047392] [2021-11-20 06:46:53,448 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 06:46:53,453 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-20 06:46:53,453 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 06:46:53,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-20 06:46:53,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-20 06:46:53,484 INFO L87 Difference]: Start difference. First operand has 247 states, 230 states have (on average 1.6695652173913043) internal successors, (384), 231 states have internal predecessors, (384), 11 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:46:53,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:46:53,572 INFO L93 Difference]: Finished difference Result 492 states and 821 transitions. [2021-11-20 06:46:53,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 06:46:53,574 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2021-11-20 06:46:53,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:46:53,586 INFO L225 Difference]: With dead ends: 492 [2021-11-20 06:46:53,587 INFO L226 Difference]: Without dead ends: 244 [2021-11-20 06:46:53,594 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-20 06:46:53,597 INFO L933 BasicCegarLoop]: 340 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, 340 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 [2021-11-20 06:46:53,598 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 340 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-20 06:46:53,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2021-11-20 06:46:53,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 244. [2021-11-20 06:46:53,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 244 states, 228 states have (on average 1.381578947368421) internal successors, (315), 228 states have internal predecessors, (315), 11 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2021-11-20 06:46:53,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 337 transitions. [2021-11-20 06:46:53,667 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 337 transitions. Word has length 10 [2021-11-20 06:46:53,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:46:53,668 INFO L470 AbstractCegarLoop]: Abstraction has 244 states and 337 transitions. [2021-11-20 06:46:53,668 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:46:53,674 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 337 transitions. [2021-11-20 06:46:53,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-20 06:46:53,675 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:46:53,675 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:46:53,721 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_640cc67a-7b98-41ce-b6ad-67d1061907a7/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-20 06:46:53,890 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_640cc67a-7b98-41ce-b6ad-67d1061907a7/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 06:46:53,890 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:46:53,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:46:53,891 INFO L85 PathProgramCache]: Analyzing trace with hash 1285007371, now seen corresponding path program 1 times [2021-11-20 06:46:53,892 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 06:46:53,892 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1239260443] [2021-11-20 06:46:53,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:46:53,893 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 06:46:53,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_640cc67a-7b98-41ce-b6ad-67d1061907a7/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 06:46:53,896 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_640cc67a-7b98-41ce-b6ad-67d1061907a7/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 06:46:53,966 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_640cc67a-7b98-41ce-b6ad-67d1061907a7/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-20 06:46:55,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:46:55,335 INFO L263 TraceCheckSpWp]: Trace formula consists of 367 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-20 06:46:55,337 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:46:55,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:46:55,736 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:46:56,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:46:56,176 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 06:46:56,176 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1239260443] [2021-11-20 06:46:56,176 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1239260443] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 06:46:56,177 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:46:56,177 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-11-20 06:46:56,177 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742501077] [2021-11-20 06:46:56,177 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 06:46:56,179 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-20 06:46:56,179 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 06:46:56,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-20 06:46:56,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-11-20 06:46:56,181 INFO L87 Difference]: Start difference. First operand 244 states and 337 transitions. Second operand has 8 states, 8 states have (on average 2.0) internal successors, (16), 8 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:46:56,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:46:56,435 INFO L93 Difference]: Finished difference Result 290 states and 390 transitions. [2021-11-20 06:46:56,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 06:46:56,436 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.0) internal successors, (16), 8 states have internal predecessors, (16), 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 [2021-11-20 06:46:56,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:46:56,437 INFO L225 Difference]: With dead ends: 290 [2021-11-20 06:46:56,438 INFO L226 Difference]: Without dead ends: 54 [2021-11-20 06:46:56,440 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-20 06:46:56,442 INFO L933 BasicCegarLoop]: 59 mSDtfsCounter, 3 mSDsluCounter, 286 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 345 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 2 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-20 06:46:56,443 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 345 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 6 Invalid, 0 Unknown, 2 Unchecked, 0.1s Time] [2021-11-20 06:46:56,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2021-11-20 06:46:56,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2021-11-20 06:46:56,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 49 states have (on average 1.183673469387755) internal successors, (58), 49 states have internal predecessors, (58), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-20 06:46:56,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 62 transitions. [2021-11-20 06:46:56,456 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 62 transitions. Word has length 11 [2021-11-20 06:46:56,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:46:56,457 INFO L470 AbstractCegarLoop]: Abstraction has 54 states and 62 transitions. [2021-11-20 06:46:56,457 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.0) internal successors, (16), 8 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:46:56,457 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 62 transitions. [2021-11-20 06:46:56,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-20 06:46:56,458 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:46:56,459 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:46:56,502 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_640cc67a-7b98-41ce-b6ad-67d1061907a7/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-20 06:46:56,679 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_640cc67a-7b98-41ce-b6ad-67d1061907a7/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 06:46:56,680 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:46:56,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:46:56,680 INFO L85 PathProgramCache]: Analyzing trace with hash 632012606, now seen corresponding path program 1 times [2021-11-20 06:46:56,682 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 06:46:56,682 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [889357311] [2021-11-20 06:46:56,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:46:56,682 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 06:46:56,682 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_640cc67a-7b98-41ce-b6ad-67d1061907a7/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 06:46:56,684 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_640cc67a-7b98-41ce-b6ad-67d1061907a7/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 06:46:56,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_640cc67a-7b98-41ce-b6ad-67d1061907a7/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-20 06:46:59,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:46:59,694 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-20 06:46:59,696 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:47:00,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:47:00,495 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:47:02,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:47:02,855 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 06:47:02,856 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [889357311] [2021-11-20 06:47:02,856 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [889357311] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 06:47:02,856 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:47:02,856 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 11 [2021-11-20 06:47:02,856 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356640144] [2021-11-20 06:47:02,856 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 06:47:02,858 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-20 06:47:02,858 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 06:47:02,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-20 06:47:02,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2021-11-20 06:47:02,859 INFO L87 Difference]: Start difference. First operand 54 states and 62 transitions. Second operand has 11 states, 11 states have (on average 2.727272727272727) internal successors, (30), 11 states have internal predecessors, (30), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-20 06:47:05,265 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 06:47:05,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:47:05,272 INFO L93 Difference]: Finished difference Result 82 states and 94 transitions. [2021-11-20 06:47:05,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 06:47:05,355 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.727272727272727) internal successors, (30), 11 states have internal predecessors, (30), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 22 [2021-11-20 06:47:05,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:47:05,357 INFO L225 Difference]: With dead ends: 82 [2021-11-20 06:47:05,357 INFO L226 Difference]: Without dead ends: 54 [2021-11-20 06:47:05,358 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 31 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2021-11-20 06:47:05,359 INFO L933 BasicCegarLoop]: 57 mSDtfsCounter, 57 mSDsluCounter, 314 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 371 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 39 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-11-20 06:47:05,360 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [58 Valid, 371 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 1 Unknown, 39 Unchecked, 2.3s Time] [2021-11-20 06:47:05,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2021-11-20 06:47:05,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2021-11-20 06:47:05,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 49 states have (on average 1.163265306122449) internal successors, (57), 49 states have internal predecessors, (57), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-20 06:47:05,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 61 transitions. [2021-11-20 06:47:05,367 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 61 transitions. Word has length 22 [2021-11-20 06:47:05,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:47:05,368 INFO L470 AbstractCegarLoop]: Abstraction has 54 states and 61 transitions. [2021-11-20 06:47:05,368 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.727272727272727) internal successors, (30), 11 states have internal predecessors, (30), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-20 06:47:05,368 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 61 transitions. [2021-11-20 06:47:05,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-20 06:47:05,382 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:47:05,383 INFO L514 BasicCegarLoop]: 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] [2021-11-20 06:47:05,444 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_640cc67a-7b98-41ce-b6ad-67d1061907a7/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-20 06:47:05,595 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_640cc67a-7b98-41ce-b6ad-67d1061907a7/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 06:47:05,595 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:47:05,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:47:05,596 INFO L85 PathProgramCache]: Analyzing trace with hash 2039574363, now seen corresponding path program 1 times [2021-11-20 06:47:05,597 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 06:47:05,598 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1529520762] [2021-11-20 06:47:05,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:47:05,598 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 06:47:05,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_640cc67a-7b98-41ce-b6ad-67d1061907a7/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 06:47:05,599 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_640cc67a-7b98-41ce-b6ad-67d1061907a7/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 06:47:05,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_640cc67a-7b98-41ce-b6ad-67d1061907a7/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-20 06:47:08,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:47:08,457 INFO L263 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-20 06:47:08,459 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:47:09,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:47:09,160 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:47:12,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:47:12,169 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 06:47:12,170 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1529520762] [2021-11-20 06:47:12,170 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1529520762] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 06:47:12,170 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:47:12,170 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 7 [2021-11-20 06:47:12,170 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112695745] [2021-11-20 06:47:12,171 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 06:47:12,171 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-20 06:47:12,171 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 06:47:12,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-20 06:47:12,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-11-20 06:47:12,172 INFO L87 Difference]: Start difference. First operand 54 states and 61 transitions. Second operand has 7 states, 7 states have (on average 4.571428571428571) internal successors, (32), 7 states have internal predecessors, (32), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-20 06:47:15,594 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.53s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:47:17,269 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 06:47:18,700 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 06:47:21,040 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 06:47:22,445 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 06:47:23,933 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 06:47:26,120 WARN L515 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 [] [2021-11-20 06:47:26,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:47:26,249 INFO L93 Difference]: Finished difference Result 68 states and 75 transitions. [2021-11-20 06:47:26,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 06:47:26,250 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.571428571428571) internal successors, (32), 7 states have internal predecessors, (32), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 23 [2021-11-20 06:47:26,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:47:26,251 INFO L225 Difference]: With dead ends: 68 [2021-11-20 06:47:26,252 INFO L226 Difference]: Without dead ends: 38 [2021-11-20 06:47:26,252 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-11-20 06:47:26,254 INFO L933 BasicCegarLoop]: 52 mSDtfsCounter, 50 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 3 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 195 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.7s IncrementalHoareTripleChecker+Time [2021-11-20 06:47:26,254 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [52 Valid, 195 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 37 Invalid, 3 Unknown, 0 Unchecked, 13.7s Time] [2021-11-20 06:47:26,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2021-11-20 06:47:26,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2021-11-20 06:47:26,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 33 states have (on average 1.0909090909090908) internal successors, (36), 33 states have internal predecessors, (36), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-20 06:47:26,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 40 transitions. [2021-11-20 06:47:26,265 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 40 transitions. Word has length 23 [2021-11-20 06:47:26,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:47:26,266 INFO L470 AbstractCegarLoop]: Abstraction has 38 states and 40 transitions. [2021-11-20 06:47:26,271 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.571428571428571) internal successors, (32), 7 states have internal predecessors, (32), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-20 06:47:26,272 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 40 transitions. [2021-11-20 06:47:26,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-20 06:47:26,273 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:47:26,273 INFO L514 BasicCegarLoop]: 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] [2021-11-20 06:47:26,335 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_640cc67a-7b98-41ce-b6ad-67d1061907a7/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2021-11-20 06:47:26,474 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_640cc67a-7b98-41ce-b6ad-67d1061907a7/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 06:47:26,474 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:47:26,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:47:26,474 INFO L85 PathProgramCache]: Analyzing trace with hash 521946787, now seen corresponding path program 1 times [2021-11-20 06:47:26,475 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 06:47:26,475 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [155925539] [2021-11-20 06:47:26,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:47:26,475 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 06:47:26,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_640cc67a-7b98-41ce-b6ad-67d1061907a7/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 06:47:26,476 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_640cc67a-7b98-41ce-b6ad-67d1061907a7/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 06:47:26,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_640cc67a-7b98-41ce-b6ad-67d1061907a7/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-20 06:47:27,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:47:27,816 INFO L263 TraceCheckSpWp]: Trace formula consists of 396 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-20 06:47:27,817 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:47:28,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:47:28,728 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:47:30,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:47:30,566 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 06:47:30,567 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [155925539] [2021-11-20 06:47:30,567 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [155925539] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 06:47:30,567 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:47:30,567 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [] total 15 [2021-11-20 06:47:30,567 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1357677581] [2021-11-20 06:47:30,567 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 06:47:30,568 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-11-20 06:47:30,568 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 06:47:30,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-11-20 06:47:30,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2021-11-20 06:47:30,569 INFO L87 Difference]: Start difference. First operand 38 states and 40 transitions. Second operand has 15 states, 15 states have (on average 2.533333333333333) internal successors, (38), 13 states have internal predecessors, (38), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-20 06:47:34,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:47:34,620 INFO L93 Difference]: Finished difference Result 54 states and 55 transitions. [2021-11-20 06:47:34,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-20 06:47:34,621 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 2.533333333333333) internal successors, (38), 13 states have internal predecessors, (38), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 23 [2021-11-20 06:47:34,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:47:34,622 INFO L225 Difference]: With dead ends: 54 [2021-11-20 06:47:34,623 INFO L226 Difference]: Without dead ends: 51 [2021-11-20 06:47:34,623 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=71, Invalid=349, Unknown=0, NotChecked=0, Total=420 [2021-11-20 06:47:34,624 INFO L933 BasicCegarLoop]: 32 mSDtfsCounter, 38 mSDsluCounter, 285 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 317 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2021-11-20 06:47:34,625 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [41 Valid, 317 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2021-11-20 06:47:34,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2021-11-20 06:47:34,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 44. [2021-11-20 06:47:34,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 38 states have (on average 1.0789473684210527) internal successors, (41), 38 states have internal predecessors, (41), 2 states have call successors, (2), 2 states have call predecessors, (2), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2021-11-20 06:47:34,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 46 transitions. [2021-11-20 06:47:34,632 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 46 transitions. Word has length 23 [2021-11-20 06:47:34,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:47:34,633 INFO L470 AbstractCegarLoop]: Abstraction has 44 states and 46 transitions. [2021-11-20 06:47:34,633 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 2.533333333333333) internal successors, (38), 13 states have internal predecessors, (38), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-20 06:47:34,633 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 46 transitions. [2021-11-20 06:47:34,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-20 06:47:34,634 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:47:34,635 INFO L514 BasicCegarLoop]: 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] [2021-11-20 06:47:34,688 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_640cc67a-7b98-41ce-b6ad-67d1061907a7/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-20 06:47:34,840 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_640cc67a-7b98-41ce-b6ad-67d1061907a7/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 06:47:34,840 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:47:34,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:47:34,841 INFO L85 PathProgramCache]: Analyzing trace with hash 1202005157, now seen corresponding path program 1 times [2021-11-20 06:47:34,841 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 06:47:34,842 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2116639350] [2021-11-20 06:47:34,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:47:34,842 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 06:47:34,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_640cc67a-7b98-41ce-b6ad-67d1061907a7/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 06:47:34,843 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_640cc67a-7b98-41ce-b6ad-67d1061907a7/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 06:47:34,845 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_640cc67a-7b98-41ce-b6ad-67d1061907a7/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-20 06:47:36,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:47:36,409 INFO L263 TraceCheckSpWp]: Trace formula consists of 396 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-20 06:47:36,410 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:47:36,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:47:36,728 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:47:37,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:47:37,317 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 06:47:37,317 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2116639350] [2021-11-20 06:47:37,319 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2116639350] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 06:47:37,319 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:47:37,319 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 5 [2021-11-20 06:47:37,320 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420605842] [2021-11-20 06:47:37,320 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 06:47:37,320 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-20 06:47:37,320 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 06:47:37,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-20 06:47:37,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 06:47:37,321 INFO L87 Difference]: Start difference. First operand 44 states and 46 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 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) [2021-11-20 06:47:38,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:47:38,495 INFO L93 Difference]: Finished difference Result 51 states and 52 transitions. [2021-11-20 06:47:38,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 06:47:38,496 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 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 23 [2021-11-20 06:47:38,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:47:38,496 INFO L225 Difference]: With dead ends: 51 [2021-11-20 06:47:38,497 INFO L226 Difference]: Without dead ends: 28 [2021-11-20 06:47:38,497 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-11-20 06:47:38,498 INFO L933 BasicCegarLoop]: 36 mSDtfsCounter, 13 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-11-20 06:47:38,499 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13 Valid, 66 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2021-11-20 06:47:38,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2021-11-20 06:47:38,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2021-11-20 06:47:38,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 25 states have (on average 1.0) internal successors, (25), 25 states have internal predecessors, (25), 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) [2021-11-20 06:47:38,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 27 transitions. [2021-11-20 06:47:38,507 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 27 transitions. Word has length 23 [2021-11-20 06:47:38,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:47:38,507 INFO L470 AbstractCegarLoop]: Abstraction has 28 states and 27 transitions. [2021-11-20 06:47:38,508 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 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) [2021-11-20 06:47:38,508 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 27 transitions. [2021-11-20 06:47:38,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-20 06:47:38,509 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:47:38,509 INFO L514 BasicCegarLoop]: 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] [2021-11-20 06:47:38,549 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_640cc67a-7b98-41ce-b6ad-67d1061907a7/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-20 06:47:38,718 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_640cc67a-7b98-41ce-b6ad-67d1061907a7/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 06:47:38,718 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:47:38,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:47:38,718 INFO L85 PathProgramCache]: Analyzing trace with hash 1963668792, now seen corresponding path program 1 times [2021-11-20 06:47:38,723 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 06:47:38,723 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [361755331] [2021-11-20 06:47:38,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:47:38,724 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 06:47:38,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_640cc67a-7b98-41ce-b6ad-67d1061907a7/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 06:47:38,724 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_640cc67a-7b98-41ce-b6ad-67d1061907a7/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 06:47:38,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_640cc67a-7b98-41ce-b6ad-67d1061907a7/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-20 06:47:40,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:47:40,141 INFO L263 TraceCheckSpWp]: Trace formula consists of 410 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-20 06:47:40,143 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:47:41,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:47:41,867 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:47:46,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:47:46,227 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 06:47:46,227 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [361755331] [2021-11-20 06:47:46,227 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [361755331] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 06:47:46,227 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:47:46,227 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13, 13] imperfect sequences [] total 22 [2021-11-20 06:47:46,228 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1723493502] [2021-11-20 06:47:46,228 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 06:47:46,228 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2021-11-20 06:47:46,228 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 06:47:46,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-11-20 06:47:46,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=412, Unknown=0, NotChecked=0, Total=462 [2021-11-20 06:47:46,230 INFO L87 Difference]: Start difference. First operand 28 states and 27 transitions. Second operand has 22 states, 22 states have (on average 2.090909090909091) internal successors, (46), 20 states have internal predecessors, (46), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-20 06:47:49,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:47:49,597 INFO L93 Difference]: Finished difference Result 28 states and 27 transitions. [2021-11-20 06:47:49,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-20 06:47:49,597 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 2.090909090909091) internal successors, (46), 20 states have internal predecessors, (46), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 27 [2021-11-20 06:47:49,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:47:49,598 INFO L225 Difference]: With dead ends: 28 [2021-11-20 06:47:49,598 INFO L226 Difference]: Without dead ends: 0 [2021-11-20 06:47:49,599 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 31 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 6.4s TimeCoverageRelationStatistics Valid=140, Invalid=790, Unknown=0, NotChecked=0, Total=930 [2021-11-20 06:47:49,600 INFO L933 BasicCegarLoop]: 13 mSDtfsCounter, 37 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 77 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-11-20 06:47:49,600 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [38 Valid, 156 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 64 Invalid, 0 Unknown, 77 Unchecked, 0.7s Time] [2021-11-20 06:47:49,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-20 06:47:49,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-20 06:47:49,602 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) [2021-11-20 06:47:49,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-20 06:47:49,602 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 27 [2021-11-20 06:47:49,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:47:49,602 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-20 06:47:49,603 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 2.090909090909091) internal successors, (46), 20 states have internal predecessors, (46), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-20 06:47:49,603 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-20 06:47:49,603 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-20 06:47:49,606 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-20 06:47:49,647 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_640cc67a-7b98-41ce-b6ad-67d1061907a7/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-20 06:47:49,830 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_640cc67a-7b98-41ce-b6ad-67d1061907a7/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 06:47:49,831 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-20 06:47:51,239 INFO L858 garLoopResultBuilder]: For program point L66-1(lines 59 77) no Hoare annotation was computed. [2021-11-20 06:47:51,240 INFO L858 garLoopResultBuilder]: For program point copysign_floatEXIT(lines 59 77) no Hoare annotation was computed. [2021-11-20 06:47:51,240 INFO L858 garLoopResultBuilder]: For program point L71(lines 71 75) no Hoare annotation was computed. [2021-11-20 06:47:51,240 INFO L858 garLoopResultBuilder]: For program point L71-1(lines 59 77) no Hoare annotation was computed. [2021-11-20 06:47:51,240 INFO L858 garLoopResultBuilder]: For program point L71-2(lines 71 75) no Hoare annotation was computed. [2021-11-20 06:47:51,240 INFO L858 garLoopResultBuilder]: For program point L61-1(lines 61 65) no Hoare annotation was computed. [2021-11-20 06:47:51,240 INFO L861 garLoopResultBuilder]: At program point L61-2(lines 61 65) the Hoare annotation is: true [2021-11-20 06:47:51,240 INFO L861 garLoopResultBuilder]: At program point copysign_floatENTRY(lines 59 77) the Hoare annotation is: true [2021-11-20 06:47:51,240 INFO L858 garLoopResultBuilder]: For program point copysign_floatFINAL(lines 59 77) no Hoare annotation was computed. [2021-11-20 06:47:51,240 INFO L858 garLoopResultBuilder]: For program point L66(lines 66 70) no Hoare annotation was computed. [2021-11-20 06:47:51,241 INFO L858 garLoopResultBuilder]: For program point L510(lines 510 517) no Hoare annotation was computed. [2021-11-20 06:47:51,241 INFO L858 garLoopResultBuilder]: For program point L510-2(lines 501 579) no Hoare annotation was computed. [2021-11-20 06:47:51,241 INFO L858 garLoopResultBuilder]: For program point __kernel_tanfFINAL(lines 501 579) no Hoare annotation was computed. [2021-11-20 06:47:51,241 INFO L858 garLoopResultBuilder]: For program point L519(lines 519 522) no Hoare annotation was computed. [2021-11-20 06:47:51,241 INFO L858 garLoopResultBuilder]: For program point L519-2(lines 519 522) no Hoare annotation was computed. [2021-11-20 06:47:51,241 INFO L858 garLoopResultBuilder]: For program point L515(line 515) no Hoare annotation was computed. [2021-11-20 06:47:51,241 INFO L858 garLoopResultBuilder]: For program point L515-2(line 515) no Hoare annotation was computed. [2021-11-20 06:47:51,241 INFO L858 garLoopResultBuilder]: For program point L511(lines 511 516) no Hoare annotation was computed. [2021-11-20 06:47:51,241 INFO L858 garLoopResultBuilder]: For program point __kernel_tanfEXIT(lines 501 579) no Hoare annotation was computed. [2021-11-20 06:47:51,241 INFO L861 garLoopResultBuilder]: At program point __kernel_tanfENTRY(lines 501 579) the Hoare annotation is: true [2021-11-20 06:47:51,241 INFO L858 garLoopResultBuilder]: For program point L512(lines 512 515) no Hoare annotation was computed. [2021-11-20 06:47:51,242 INFO L858 garLoopResultBuilder]: For program point L504-1(lines 504 508) no Hoare annotation was computed. [2021-11-20 06:47:51,242 INFO L854 garLoopResultBuilder]: At program point L504-2(lines 504 508) the Hoare annotation is: (and (= |__kernel_tanf_#in~x| __kernel_tanf_~x) (= __kernel_tanf_~iy |__kernel_tanf_#in~iy|)) [2021-11-20 06:47:51,242 INFO L858 garLoopResultBuilder]: For program point L504-3(lines 504 508) no Hoare annotation was computed. [2021-11-20 06:47:51,242 INFO L858 garLoopResultBuilder]: For program point L566-1(lines 566 570) no Hoare annotation was computed. [2021-11-20 06:47:51,242 INFO L854 garLoopResultBuilder]: At program point L566-2(lines 566 570) the Hoare annotation is: (exists ((__kernel_tanf_~hx~2 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) __kernel_tanf_~hx~2) ((_ extract 30 23) __kernel_tanf_~hx~2) ((_ extract 22 0) __kernel_tanf_~hx~2)) |__kernel_tanf_#in~x|) (not (bvslt (bvand (_ bv2147483647 32) __kernel_tanf_~hx~2) (_ bv830472192 32))))) [2021-11-20 06:47:51,242 INFO L858 garLoopResultBuilder]: For program point L554-1(lines 554 558) no Hoare annotation was computed. [2021-11-20 06:47:51,243 INFO L854 garLoopResultBuilder]: At program point L554-2(lines 554 558) the Hoare annotation is: (exists ((__kernel_tanf_~hx~2 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) __kernel_tanf_~hx~2) ((_ extract 30 23) __kernel_tanf_~hx~2) ((_ extract 22 0) __kernel_tanf_~hx~2)) |__kernel_tanf_#in~x|) (not (bvslt (bvand (_ bv2147483647 32) __kernel_tanf_~hx~2) (_ bv830472192 32))))) [2021-11-20 06:47:51,243 INFO L854 garLoopResultBuilder]: At program point L513(line 513) the Hoare annotation is: (and (= |__kernel_tanf_#in~x| __kernel_tanf_~x) (= __kernel_tanf_~iy |__kernel_tanf_#in~iy|) (not (= (_ bv1 32) |__kernel_tanf_#in~iy|))) [2021-11-20 06:47:51,243 INFO L858 garLoopResultBuilder]: For program point L513-1(line 513) no Hoare annotation was computed. [2021-11-20 06:47:51,243 INFO L858 garLoopResultBuilder]: For program point L542(lines 542 546) no Hoare annotation was computed. [2021-11-20 06:47:51,243 INFO L858 garLoopResultBuilder]: For program point L571(lines 571 575) no Hoare annotation was computed. [2021-11-20 06:47:51,243 INFO L858 garLoopResultBuilder]: For program point L571-1(lines 549 578) no Hoare annotation was computed. [2021-11-20 06:47:51,244 INFO L858 garLoopResultBuilder]: For program point L571-2(lines 571 575) no Hoare annotation was computed. [2021-11-20 06:47:51,244 INFO L858 garLoopResultBuilder]: For program point L559(lines 559 563) no Hoare annotation was computed. [2021-11-20 06:47:51,244 INFO L858 garLoopResultBuilder]: For program point L559-1(lines 549 578) no Hoare annotation was computed. [2021-11-20 06:47:51,244 INFO L858 garLoopResultBuilder]: For program point L559-2(lines 559 563) no Hoare annotation was computed. [2021-11-20 06:47:51,244 INFO L858 garLoopResultBuilder]: For program point L518-1(lines 518 527) no Hoare annotation was computed. [2021-11-20 06:47:51,245 INFO L858 garLoopResultBuilder]: For program point L547(lines 547 578) no Hoare annotation was computed. [2021-11-20 06:47:51,245 INFO L858 garLoopResultBuilder]: For program point fabs_floatFINAL(lines 134 147) no Hoare annotation was computed. [2021-11-20 06:47:51,245 INFO L858 garLoopResultBuilder]: For program point fabs_floatEXIT(lines 134 147) no Hoare annotation was computed. [2021-11-20 06:47:51,245 INFO L861 garLoopResultBuilder]: At program point fabs_floatENTRY(lines 134 147) the Hoare annotation is: true [2021-11-20 06:47:51,245 INFO L858 garLoopResultBuilder]: For program point L141(lines 141 145) no Hoare annotation was computed. [2021-11-20 06:47:51,245 INFO L858 garLoopResultBuilder]: For program point L141-1(lines 134 147) no Hoare annotation was computed. [2021-11-20 06:47:51,246 INFO L858 garLoopResultBuilder]: For program point L141-2(lines 141 145) no Hoare annotation was computed. [2021-11-20 06:47:51,246 INFO L858 garLoopResultBuilder]: For program point L136-1(lines 136 140) no Hoare annotation was computed. [2021-11-20 06:47:51,246 INFO L861 garLoopResultBuilder]: At program point L136-2(lines 136 140) the Hoare annotation is: true [2021-11-20 06:47:51,246 INFO L854 garLoopResultBuilder]: At program point L267(line 267) the Hoare annotation is: false [2021-11-20 06:47:51,246 INFO L858 garLoopResultBuilder]: For program point L267-1(line 267) no Hoare annotation was computed. [2021-11-20 06:47:51,247 INFO L858 garLoopResultBuilder]: For program point L300-2(lines 300 301) no Hoare annotation was computed. [2021-11-20 06:47:51,247 INFO L854 garLoopResultBuilder]: At program point L300-3(lines 300 301) the Hoare annotation is: false [2021-11-20 06:47:51,247 INFO L858 garLoopResultBuilder]: For program point L300-4(lines 290 330) no Hoare annotation was computed. [2021-11-20 06:47:51,247 INFO L858 garLoopResultBuilder]: For program point L433(lines 433 452) no Hoare annotation was computed. [2021-11-20 06:47:51,247 INFO L858 garLoopResultBuilder]: For program point L433-1(lines 421 453) no Hoare annotation was computed. [2021-11-20 06:47:51,247 INFO L858 garLoopResultBuilder]: For program point L268(lines 268 275) no Hoare annotation was computed. [2021-11-20 06:47:51,247 INFO L858 garLoopResultBuilder]: For program point L235(lines 235 236) no Hoare annotation was computed. [2021-11-20 06:47:51,247 INFO L854 garLoopResultBuilder]: At program point L268-2(lines 259 276) the Hoare annotation is: false [2021-11-20 06:47:51,247 INFO L858 garLoopResultBuilder]: For program point L37(lines 37 38) no Hoare annotation was computed. [2021-11-20 06:47:51,247 INFO L858 garLoopResultBuilder]: For program point L302-1(line 302) no Hoare annotation was computed. [2021-11-20 06:47:51,247 INFO L854 garLoopResultBuilder]: At program point L236(line 236) the Hoare annotation is: false [2021-11-20 06:47:51,248 INFO L858 garLoopResultBuilder]: For program point L236-1(line 236) no Hoare annotation was computed. [2021-11-20 06:47:51,248 INFO L861 garLoopResultBuilder]: At program point L633(lines 616 634) the Hoare annotation is: true [2021-11-20 06:47:51,248 INFO L854 garLoopResultBuilder]: At program point L600(line 600) the Hoare annotation is: false [2021-11-20 06:47:51,248 INFO L858 garLoopResultBuilder]: For program point L600-1(line 600) no Hoare annotation was computed. [2021-11-20 06:47:51,248 INFO L854 garLoopResultBuilder]: At program point L600-2(lines 581 602) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 8 24)))) (and (= |ULTIMATE.start_tan_float_#res#1| .cse0) (= |ULTIMATE.start_tan_float_~x#1| .cse0))) [2021-11-20 06:47:51,249 INFO L858 garLoopResultBuilder]: For program point L171(lines 171 172) no Hoare annotation was computed. [2021-11-20 06:47:51,249 INFO L858 garLoopResultBuilder]: For program point L171-2(lines 171 172) no Hoare annotation was computed. [2021-11-20 06:47:51,249 INFO L858 garLoopResultBuilder]: For program point L39(lines 39 43) no Hoare annotation was computed. [2021-11-20 06:47:51,249 INFO L858 garLoopResultBuilder]: For program point L469-1(lines 469 473) no Hoare annotation was computed. [2021-11-20 06:47:51,249 INFO L854 garLoopResultBuilder]: At program point L469-2(lines 469 473) the Hoare annotation is: false [2021-11-20 06:47:51,249 INFO L858 garLoopResultBuilder]: For program point L469-3(lines 469 473) no Hoare annotation was computed. [2021-11-20 06:47:51,250 INFO L858 garLoopResultBuilder]: For program point L304-2(lines 304 305) no Hoare annotation was computed. [2021-11-20 06:47:51,250 INFO L858 garLoopResultBuilder]: For program point L205(lines 205 208) no Hoare annotation was computed. [2021-11-20 06:47:51,250 INFO L854 garLoopResultBuilder]: At program point L304-3(lines 304 305) the Hoare annotation is: false [2021-11-20 06:47:51,250 INFO L858 garLoopResultBuilder]: For program point L304-4(lines 290 330) no Hoare annotation was computed. [2021-11-20 06:47:51,250 INFO L858 garLoopResultBuilder]: For program point L40(lines 40 41) no Hoare annotation was computed. [2021-11-20 06:47:51,250 INFO L858 garLoopResultBuilder]: For program point L40-2(lines 40 41) no Hoare annotation was computed. [2021-11-20 06:47:51,250 INFO L858 garLoopResultBuilder]: For program point L404(lines 404 411) no Hoare annotation was computed. [2021-11-20 06:47:51,250 INFO L858 garLoopResultBuilder]: For program point L404-2(lines 404 411) no Hoare annotation was computed. [2021-11-20 06:47:51,251 INFO L858 garLoopResultBuilder]: For program point L306-1(line 306) no Hoare annotation was computed. [2021-11-20 06:47:51,251 INFO L858 garLoopResultBuilder]: For program point L207(lines 207 208) no Hoare annotation was computed. [2021-11-20 06:47:51,251 INFO L858 garLoopResultBuilder]: For program point L240-1(lines 162 332) no Hoare annotation was computed. [2021-11-20 06:47:51,251 INFO L858 garLoopResultBuilder]: For program point L207-2(lines 162 332) no Hoare annotation was computed. [2021-11-20 06:47:51,251 INFO L858 garLoopResultBuilder]: For program point L439-1(lines 439 443) no Hoare annotation was computed. [2021-11-20 06:47:51,251 INFO L854 garLoopResultBuilder]: At program point L439-2(lines 439 443) the Hoare annotation is: false [2021-11-20 06:47:51,251 INFO L858 garLoopResultBuilder]: For program point L439-3(lines 439 443) no Hoare annotation was computed. [2021-11-20 06:47:51,251 INFO L858 garLoopResultBuilder]: For program point L308(line 308) no Hoare annotation was computed. [2021-11-20 06:47:51,251 INFO L858 garLoopResultBuilder]: For program point L242-2(lines 242 243) no Hoare annotation was computed. [2021-11-20 06:47:51,251 INFO L854 garLoopResultBuilder]: At program point L242-3(lines 242 243) the Hoare annotation is: false [2021-11-20 06:47:51,252 INFO L858 garLoopResultBuilder]: For program point L242-4(lines 240 257) no Hoare annotation was computed. [2021-11-20 06:47:51,252 INFO L858 garLoopResultBuilder]: For program point L474-2(lines 474 477) no Hoare annotation was computed. [2021-11-20 06:47:51,252 INFO L854 garLoopResultBuilder]: At program point L474-3(lines 474 477) the Hoare annotation is: false [2021-11-20 06:47:51,252 INFO L858 garLoopResultBuilder]: For program point L474-4(lines 474 477) no Hoare annotation was computed. [2021-11-20 06:47:51,252 INFO L858 garLoopResultBuilder]: For program point L309-2(lines 309 313) no Hoare annotation was computed. [2021-11-20 06:47:51,252 INFO L858 garLoopResultBuilder]: For program point L210(lines 162 332) no Hoare annotation was computed. [2021-11-20 06:47:51,253 INFO L854 garLoopResultBuilder]: At program point L309-3(lines 309 313) the Hoare annotation is: false [2021-11-20 06:47:51,253 INFO L858 garLoopResultBuilder]: For program point L309-4(lines 309 313) no Hoare annotation was computed. [2021-11-20 06:47:51,253 INFO L858 garLoopResultBuilder]: For program point L177-2(lines 177 178) no Hoare annotation was computed. [2021-11-20 06:47:51,253 INFO L854 garLoopResultBuilder]: At program point L177-3(lines 177 178) the Hoare annotation is: false [2021-11-20 06:47:51,253 INFO L858 garLoopResultBuilder]: For program point L177-4(lines 177 178) no Hoare annotation was computed. [2021-11-20 06:47:51,254 INFO L858 garLoopResultBuilder]: For program point L607-1(lines 607 611) no Hoare annotation was computed. [2021-11-20 06:47:51,254 INFO L854 garLoopResultBuilder]: At program point L607-2(lines 607 611) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 8 24)))) (and |ULTIMATE.start_main_#t~short141#1| (= |ULTIMATE.start_tan_float_#res#1| .cse0) (= |ULTIMATE.start_tan_float_~x#1| .cse0) (= .cse0 |ULTIMATE.start___signbit_float_~x#1|) (= |ULTIMATE.start_main_~res~0#1| .cse0))) [2021-11-20 06:47:51,254 INFO L858 garLoopResultBuilder]: For program point L607-3(lines 607 611) no Hoare annotation was computed. [2021-11-20 06:47:51,254 INFO L858 garLoopResultBuilder]: For program point L178(line 178) no Hoare annotation was computed. [2021-11-20 06:47:51,254 INFO L858 garLoopResultBuilder]: For program point L178-2(line 178) no Hoare annotation was computed. [2021-11-20 06:47:51,255 INFO L858 garLoopResultBuilder]: For program point L46(lines 46 49) no Hoare annotation was computed. [2021-11-20 06:47:51,255 INFO L858 garLoopResultBuilder]: For program point L278(line 278) no Hoare annotation was computed. [2021-11-20 06:47:51,255 INFO L858 garLoopResultBuilder]: For program point L245-1(lines 245 246) no Hoare annotation was computed. [2021-11-20 06:47:51,255 INFO L858 garLoopResultBuilder]: For program point L245-3(lines 245 246) no Hoare annotation was computed. [2021-11-20 06:47:51,255 INFO L854 garLoopResultBuilder]: At program point L245-4(lines 245 246) the Hoare annotation is: false [2021-11-20 06:47:51,255 INFO L858 garLoopResultBuilder]: For program point L245-5(lines 245 246) no Hoare annotation was computed. [2021-11-20 06:47:51,256 INFO L858 garLoopResultBuilder]: For program point L279-2(lines 279 282) no Hoare annotation was computed. [2021-11-20 06:47:51,256 INFO L854 garLoopResultBuilder]: At program point L279-3(lines 279 282) the Hoare annotation is: false [2021-11-20 06:47:51,256 INFO L858 garLoopResultBuilder]: For program point L213-2(lines 213 222) no Hoare annotation was computed. [2021-11-20 06:47:51,256 INFO L858 garLoopResultBuilder]: For program point L279-4(lines 279 282) no Hoare annotation was computed. [2021-11-20 06:47:51,256 INFO L858 garLoopResultBuilder]: For program point L180-2(lines 180 184) no Hoare annotation was computed. [2021-11-20 06:47:51,256 INFO L854 garLoopResultBuilder]: At program point L213-3(lines 213 222) the Hoare annotation is: false [2021-11-20 06:47:51,256 INFO L854 garLoopResultBuilder]: At program point L180-3(lines 180 184) the Hoare annotation is: false [2021-11-20 06:47:51,257 INFO L858 garLoopResultBuilder]: For program point L213-4(lines 210 238) no Hoare annotation was computed. [2021-11-20 06:47:51,257 INFO L858 garLoopResultBuilder]: For program point L180-4(lines 180 184) no Hoare annotation was computed. [2021-11-20 06:47:51,257 INFO L858 garLoopResultBuilder]: For program point L445(lines 445 451) no Hoare annotation was computed. [2021-11-20 06:47:51,257 INFO L858 garLoopResultBuilder]: For program point L379-1(lines 379 383) no Hoare annotation was computed. [2021-11-20 06:47:51,257 INFO L854 garLoopResultBuilder]: At program point L379-2(lines 379 383) the Hoare annotation is: false [2021-11-20 06:47:51,257 INFO L858 garLoopResultBuilder]: For program point L379-3(lines 379 383) no Hoare annotation was computed. [2021-11-20 06:47:51,258 INFO L858 garLoopResultBuilder]: For program point L181-2(lines 181 182) no Hoare annotation was computed. [2021-11-20 06:47:51,258 INFO L854 garLoopResultBuilder]: At program point L181-3(lines 181 182) the Hoare annotation is: false [2021-11-20 06:47:51,258 INFO L858 garLoopResultBuilder]: For program point L181-4(lines 181 182) no Hoare annotation was computed. [2021-11-20 06:47:51,258 INFO L858 garLoopResultBuilder]: For program point L314-2(lines 314 318) no Hoare annotation was computed. [2021-11-20 06:47:51,258 INFO L858 garLoopResultBuilder]: For program point L215(lines 215 221) no Hoare annotation was computed. [2021-11-20 06:47:51,259 INFO L854 garLoopResultBuilder]: At program point L314-3(lines 314 318) the Hoare annotation is: false [2021-11-20 06:47:51,259 INFO L858 garLoopResultBuilder]: For program point L248-2(lines 248 253) no Hoare annotation was computed. [2021-11-20 06:47:51,259 INFO L858 garLoopResultBuilder]: For program point L314-4(lines 314 318) no Hoare annotation was computed. [2021-11-20 06:47:51,259 INFO L854 garLoopResultBuilder]: At program point L248-3(lines 248 253) the Hoare annotation is: false [2021-11-20 06:47:51,259 INFO L858 garLoopResultBuilder]: For program point L248-4(lines 248 253) no Hoare annotation was computed. [2021-11-20 06:47:51,259 INFO L858 garLoopResultBuilder]: For program point L480-1(lines 480 481) no Hoare annotation was computed. [2021-11-20 06:47:51,260 INFO L854 garLoopResultBuilder]: At program point L480-3(lines 480 481) the Hoare annotation is: false [2021-11-20 06:47:51,260 INFO L858 garLoopResultBuilder]: For program point L480-4(lines 480 481) no Hoare annotation was computed. [2021-11-20 06:47:51,260 INFO L858 garLoopResultBuilder]: For program point L216(lines 216 219) no Hoare annotation was computed. [2021-11-20 06:47:51,260 INFO L858 garLoopResultBuilder]: For program point L51(lines 51 55) no Hoare annotation was computed. [2021-11-20 06:47:51,260 INFO L858 garLoopResultBuilder]: For program point L51-1(lines 16 57) no Hoare annotation was computed. [2021-11-20 06:47:51,260 INFO L858 garLoopResultBuilder]: For program point L51-2(lines 51 55) no Hoare annotation was computed. [2021-11-20 06:47:51,261 INFO L854 garLoopResultBuilder]: At program point L613(lines 604 614) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 8 24)))) (and |ULTIMATE.start_main_#t~short141#1| (= |ULTIMATE.start_tan_float_#res#1| .cse0) (= (fp ((_ extract 31 31) |ULTIMATE.start___signbit_float_~w~2#1|) ((_ extract 30 23) |ULTIMATE.start___signbit_float_~w~2#1|) ((_ extract 22 0) |ULTIMATE.start___signbit_float_~w~2#1|)) .cse0) (= |ULTIMATE.start_tan_float_~x#1| .cse0) (= |ULTIMATE.start___signbit_float_#res#1| (_ bv1 32)) (= .cse0 |ULTIMATE.start___signbit_float_~x#1|) (= |ULTIMATE.start_main_~res~0#1| .cse0))) [2021-11-20 06:47:51,261 INFO L858 garLoopResultBuilder]: For program point L415(lines 415 461) no Hoare annotation was computed. [2021-11-20 06:47:51,261 INFO L858 garLoopResultBuilder]: For program point L250-2(lines 250 251) no Hoare annotation was computed. [2021-11-20 06:47:51,261 INFO L854 garLoopResultBuilder]: At program point L250-3(lines 250 251) the Hoare annotation is: false [2021-11-20 06:47:51,261 INFO L858 garLoopResultBuilder]: For program point L250-4(lines 250 251) no Hoare annotation was computed. [2021-11-20 06:47:51,262 INFO L858 garLoopResultBuilder]: For program point L19-1(lines 19 23) no Hoare annotation was computed. [2021-11-20 06:47:51,262 INFO L854 garLoopResultBuilder]: At program point L19-2(lines 19 23) the Hoare annotation is: false [2021-11-20 06:47:51,262 INFO L858 garLoopResultBuilder]: For program point L19-3(lines 19 23) no Hoare annotation was computed. [2021-11-20 06:47:51,262 INFO L854 garLoopResultBuilder]: At program point L416(line 416) the Hoare annotation is: false [2021-11-20 06:47:51,262 INFO L858 garLoopResultBuilder]: For program point L416-1(line 416) no Hoare annotation was computed. [2021-11-20 06:47:51,262 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-20 06:47:51,263 INFO L858 garLoopResultBuilder]: For program point L284-2(lines 284 288) no Hoare annotation was computed. [2021-11-20 06:47:51,263 INFO L854 garLoopResultBuilder]: At program point L284-3(lines 284 288) the Hoare annotation is: false [2021-11-20 06:47:51,263 INFO L858 garLoopResultBuilder]: For program point L284-4(lines 284 288) no Hoare annotation was computed. [2021-11-20 06:47:51,263 INFO L858 garLoopResultBuilder]: For program point L483(lines 483 487) no Hoare annotation was computed. [2021-11-20 06:47:51,263 INFO L858 garLoopResultBuilder]: For program point L285-2(lines 285 286) no Hoare annotation was computed. [2021-11-20 06:47:51,263 INFO L854 garLoopResultBuilder]: At program point L285-3(lines 285 286) the Hoare annotation is: false [2021-11-20 06:47:51,264 INFO L858 garLoopResultBuilder]: For program point L285-4(lines 285 286) no Hoare annotation was computed. [2021-11-20 06:47:51,264 INFO L858 garLoopResultBuilder]: For program point L385(lines 385 389) no Hoare annotation was computed. [2021-11-20 06:47:51,264 INFO L858 garLoopResultBuilder]: For program point L319-2(lines 319 320) no Hoare annotation was computed. [2021-11-20 06:47:51,264 INFO L854 garLoopResultBuilder]: At program point L319-3(lines 319 320) the Hoare annotation is: false [2021-11-20 06:47:51,264 INFO L858 garLoopResultBuilder]: For program point L319-4(lines 290 330) no Hoare annotation was computed. [2021-11-20 06:47:51,264 INFO L854 garLoopResultBuilder]: At program point L56(lines 16 57) the Hoare annotation is: false [2021-11-20 06:47:51,265 INFO L858 garLoopResultBuilder]: For program point L585-1(lines 585 589) no Hoare annotation was computed. [2021-11-20 06:47:51,265 INFO L854 garLoopResultBuilder]: At program point L585-2(lines 585 589) the Hoare annotation is: (= |ULTIMATE.start_tan_float_~x#1| (fp.neg (_ +zero 8 24))) [2021-11-20 06:47:51,265 INFO L858 garLoopResultBuilder]: For program point L585-3(lines 585 589) no Hoare annotation was computed. [2021-11-20 06:47:51,265 INFO L854 garLoopResultBuilder]: At program point L255(lines 162 332) the Hoare annotation is: false [2021-11-20 06:47:51,265 INFO L858 garLoopResultBuilder]: For program point L189-2(lines 189 193) no Hoare annotation was computed. [2021-11-20 06:47:51,265 INFO L854 garLoopResultBuilder]: At program point L189-3(lines 189 193) the Hoare annotation is: false [2021-11-20 06:47:51,266 INFO L854 garLoopResultBuilder]: At program point L189-4(lines 189 193) the Hoare annotation is: false [2021-11-20 06:47:51,266 INFO L858 garLoopResultBuilder]: For program point L421(line 421) no Hoare annotation was computed. [2021-11-20 06:47:51,266 INFO L858 garLoopResultBuilder]: For program point L421-2(lines 421 453) no Hoare annotation was computed. [2021-11-20 06:47:51,266 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-20 06:47:51,266 INFO L858 garLoopResultBuilder]: For program point L223-1(lines 210 238) no Hoare annotation was computed. [2021-11-20 06:47:51,266 INFO L854 garLoopResultBuilder]: At program point L488(lines 373 489) the Hoare annotation is: false [2021-11-20 06:47:51,267 INFO L858 garLoopResultBuilder]: For program point L455(lines 455 460) no Hoare annotation was computed. [2021-11-20 06:47:51,267 INFO L854 garLoopResultBuilder]: At program point L290(lines 290 330) the Hoare annotation is: false [2021-11-20 06:47:51,267 INFO L854 garLoopResultBuilder]: At program point L224(lines 224 231) the Hoare annotation is: false [2021-11-20 06:47:51,267 INFO L858 garLoopResultBuilder]: For program point L26(lines 26 50) no Hoare annotation was computed. [2021-11-20 06:47:51,267 INFO L858 garLoopResultBuilder]: For program point L390(lines 390 414) no Hoare annotation was computed. [2021-11-20 06:47:51,267 INFO L858 garLoopResultBuilder]: For program point L291(line 291) no Hoare annotation was computed. [2021-11-20 06:47:51,268 INFO L858 garLoopResultBuilder]: For program point L225(line 225) no Hoare annotation was computed. [2021-11-20 06:47:51,268 INFO L858 garLoopResultBuilder]: For program point L27(lines 27 44) no Hoare annotation was computed. [2021-11-20 06:47:51,268 INFO L858 garLoopResultBuilder]: For program point L391(lines 391 413) no Hoare annotation was computed. [2021-11-20 06:47:51,268 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-20 06:47:51,268 INFO L858 garLoopResultBuilder]: For program point L28(lines 28 34) no Hoare annotation was computed. [2021-11-20 06:47:51,268 INFO L858 garLoopResultBuilder]: For program point L293-2(lines 293 294) no Hoare annotation was computed. [2021-11-20 06:47:51,268 INFO L854 garLoopResultBuilder]: At program point L293-3(lines 293 294) the Hoare annotation is: false [2021-11-20 06:47:51,269 INFO L858 garLoopResultBuilder]: For program point L293-4(lines 290 330) no Hoare annotation was computed. [2021-11-20 06:47:51,269 INFO L858 garLoopResultBuilder]: For program point L29(lines 29 33) no Hoare annotation was computed. [2021-11-20 06:47:51,269 INFO L858 garLoopResultBuilder]: For program point L393(lines 393 400) no Hoare annotation was computed. [2021-11-20 06:47:51,269 INFO L858 garLoopResultBuilder]: For program point L393-2(lines 393 400) no Hoare annotation was computed. [2021-11-20 06:47:51,269 INFO L858 garLoopResultBuilder]: For program point L228(line 228) no Hoare annotation was computed. [2021-11-20 06:47:51,269 INFO L858 garLoopResultBuilder]: For program point L195(line 195) no Hoare annotation was computed. [2021-11-20 06:47:51,270 INFO L858 garLoopResultBuilder]: For program point L592(lines 592 601) no Hoare annotation was computed. [2021-11-20 06:47:51,270 INFO L858 garLoopResultBuilder]: For program point L427-1(lines 427 431) no Hoare annotation was computed. [2021-11-20 06:47:51,270 INFO L854 garLoopResultBuilder]: At program point L427-2(lines 427 431) the Hoare annotation is: false [2021-11-20 06:47:51,270 INFO L858 garLoopResultBuilder]: For program point L427-3(lines 427 431) no Hoare annotation was computed. [2021-11-20 06:47:51,270 INFO L858 garLoopResultBuilder]: For program point L295-1(line 295) no Hoare annotation was computed. [2021-11-20 06:47:51,270 INFO L858 garLoopResultBuilder]: For program point L262-1(lines 262 265) no Hoare annotation was computed. [2021-11-20 06:47:51,271 INFO L854 garLoopResultBuilder]: At program point L262-3(lines 262 265) the Hoare annotation is: false [2021-11-20 06:47:51,271 INFO L858 garLoopResultBuilder]: For program point L31(lines 31 33) no Hoare annotation was computed. [2021-11-20 06:47:51,271 INFO L854 garLoopResultBuilder]: At program point L593(line 593) the Hoare annotation is: (= |ULTIMATE.start_tan_float_~x#1| (fp.neg (_ +zero 8 24))) [2021-11-20 06:47:51,271 INFO L858 garLoopResultBuilder]: For program point L593-1(line 593) no Hoare annotation was computed. [2021-11-20 06:47:51,271 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-20 06:47:51,271 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 629) no Hoare annotation was computed. [2021-11-20 06:47:51,272 INFO L858 garLoopResultBuilder]: For program point L297(line 297) no Hoare annotation was computed. [2021-11-20 06:47:51,272 INFO L858 garLoopResultBuilder]: For program point L297-2(line 297) no Hoare annotation was computed. [2021-11-20 06:47:51,272 INFO L858 garLoopResultBuilder]: For program point L628(line 628) no Hoare annotation was computed. [2021-11-20 06:47:51,272 INFO L858 garLoopResultBuilder]: For program point L595(lines 595 601) no Hoare annotation was computed. [2021-11-20 06:47:51,272 INFO L858 garLoopResultBuilder]: For program point L628-2(lines 628 631) no Hoare annotation was computed. [2021-11-20 06:47:51,272 INFO L858 garLoopResultBuilder]: For program point L463(lines 463 466) no Hoare annotation was computed. [2021-11-20 06:47:51,273 INFO L854 garLoopResultBuilder]: At program point L331(lines 161 332) the Hoare annotation is: false [2021-11-20 06:47:51,273 INFO L858 garLoopResultBuilder]: For program point L298(line 298) no Hoare annotation was computed. [2021-11-20 06:47:51,273 INFO L858 garLoopResultBuilder]: For program point L629(line 629) no Hoare annotation was computed. [2021-11-20 06:47:51,273 INFO L858 garLoopResultBuilder]: For program point L200(lines 200 208) no Hoare annotation was computed. [2021-11-20 06:47:51,273 INFO L861 garLoopResultBuilder]: At program point L122(line 122) the Hoare annotation is: true [2021-11-20 06:47:51,273 INFO L858 garLoopResultBuilder]: For program point L122-1(line 122) no Hoare annotation was computed. [2021-11-20 06:47:51,273 INFO L858 garLoopResultBuilder]: For program point L110(lines 110 111) no Hoare annotation was computed. [2021-11-20 06:47:51,274 INFO L858 garLoopResultBuilder]: For program point L106(lines 106 107) no Hoare annotation was computed. [2021-11-20 06:47:51,274 INFO L858 garLoopResultBuilder]: For program point L98(lines 98 108) no Hoare annotation was computed. [2021-11-20 06:47:51,274 INFO L858 garLoopResultBuilder]: For program point L98-2(lines 98 108) no Hoare annotation was computed. [2021-11-20 06:47:51,274 INFO L858 garLoopResultBuilder]: For program point L94(lines 94 95) no Hoare annotation was computed. [2021-11-20 06:47:51,274 INFO L858 garLoopResultBuilder]: For program point L127-1(lines 127 131) no Hoare annotation was computed. [2021-11-20 06:47:51,274 INFO L861 garLoopResultBuilder]: At program point L127-2(lines 127 131) the Hoare annotation is: true [2021-11-20 06:47:51,274 INFO L858 garLoopResultBuilder]: For program point L127-3(lines 127 131) no Hoare annotation was computed. [2021-11-20 06:47:51,274 INFO L861 garLoopResultBuilder]: At program point L111(line 111) the Hoare annotation is: true [2021-11-20 06:47:51,274 INFO L858 garLoopResultBuilder]: For program point L111-1(line 111) no Hoare annotation was computed. [2021-11-20 06:47:51,274 INFO L858 garLoopResultBuilder]: For program point scalbn_floatFINAL(lines 83 133) no Hoare annotation was computed. [2021-11-20 06:47:51,274 INFO L861 garLoopResultBuilder]: At program point L124(line 124) the Hoare annotation is: true [2021-11-20 06:47:51,274 INFO L858 garLoopResultBuilder]: For program point L124-1(line 124) no Hoare annotation was computed. [2021-11-20 06:47:51,274 INFO L858 garLoopResultBuilder]: For program point L120(lines 120 125) no Hoare annotation was computed. [2021-11-20 06:47:51,274 INFO L858 garLoopResultBuilder]: For program point L87-1(lines 87 91) no Hoare annotation was computed. [2021-11-20 06:47:51,275 INFO L861 garLoopResultBuilder]: At program point L87-2(lines 87 91) the Hoare annotation is: true [2021-11-20 06:47:51,275 INFO L858 garLoopResultBuilder]: For program point L87-3(lines 87 91) no Hoare annotation was computed. [2021-11-20 06:47:51,275 INFO L858 garLoopResultBuilder]: For program point L112(lines 112 119) no Hoare annotation was computed. [2021-11-20 06:47:51,275 INFO L858 garLoopResultBuilder]: For program point scalbn_floatEXIT(lines 83 133) no Hoare annotation was computed. [2021-11-20 06:47:51,275 INFO L861 garLoopResultBuilder]: At program point scalbn_floatENTRY(lines 83 133) the Hoare annotation is: true [2021-11-20 06:47:51,275 INFO L858 garLoopResultBuilder]: For program point L100-1(lines 100 104) no Hoare annotation was computed. [2021-11-20 06:47:51,275 INFO L861 garLoopResultBuilder]: At program point L100-2(lines 100 104) the Hoare annotation is: true [2021-11-20 06:47:51,275 INFO L858 garLoopResultBuilder]: For program point L100-3(lines 100 104) no Hoare annotation was computed. [2021-11-20 06:47:51,275 INFO L858 garLoopResultBuilder]: For program point L96(lines 96 97) no Hoare annotation was computed. [2021-11-20 06:47:51,275 INFO L858 garLoopResultBuilder]: For program point L121(lines 121 124) no Hoare annotation was computed. [2021-11-20 06:47:51,275 INFO L858 garLoopResultBuilder]: For program point L113-1(lines 113 117) no Hoare annotation was computed. [2021-11-20 06:47:51,275 INFO L861 garLoopResultBuilder]: At program point L113-2(lines 113 117) the Hoare annotation is: true [2021-11-20 06:47:51,276 INFO L858 garLoopResultBuilder]: For program point L113-3(lines 113 117) no Hoare annotation was computed. [2021-11-20 06:47:51,279 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:47:51,281 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-20 06:47:51,308 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2021-11-20 06:47:51,313 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2021-11-20 06:47:51,313 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2021-11-20 06:47:51,314 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2021-11-20 06:47:51,314 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2021-11-20 06:47:51,314 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2021-11-20 06:47:51,314 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2021-11-20 06:47:51,315 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2021-11-20 06:47:51,316 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2021-11-20 06:47:51,320 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2021-11-20 06:47:51,321 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2021-11-20 06:47:51,321 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2021-11-20 06:47:51,321 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2021-11-20 06:47:51,323 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2021-11-20 06:47:51,324 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2021-11-20 06:47:51,324 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2021-11-20 06:47:51,325 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 06:47:51 BoogieIcfgContainer [2021-11-20 06:47:51,325 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-20 06:47:51,326 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-20 06:47:51,326 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-20 06:47:51,326 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-20 06:47:51,327 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:46:51" (3/4) ... [2021-11-20 06:47:51,329 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-20 06:47:51,336 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure fabs_float [2021-11-20 06:47:51,336 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure copysign_float [2021-11-20 06:47:51,336 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure scalbn_float [2021-11-20 06:47:51,336 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __kernel_tanf [2021-11-20 06:47:51,370 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 81 nodes and edges [2021-11-20 06:47:51,373 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 28 nodes and edges [2021-11-20 06:47:51,375 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-11-20 06:47:51,378 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-20 06:47:51,430 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x && iy == \old(iy) [2021-11-20 06:47:51,430 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \result == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) [2021-11-20 06:47:51,431 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((aux-res == -0.0f && __signbit_float(res) == 1-aux && \result == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == x) && res == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) [2021-11-20 06:47:51,434 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((aux-res == -0.0f && __signbit_float(res) == 1-aux && \result == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && \result == 1bv32) && ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == x) && res == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) [2021-11-20 06:47:51,435 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists __kernel_tanf_~hx~2 : bv32 :: ~fp~LONGDOUBLE(__kernel_tanf_~hx~2[31:31], __kernel_tanf_~hx~2[30:23], __kernel_tanf_~hx~2[22:0]) == \old(x) && !~bvslt32(~bvand32(2147483647bv32, __kernel_tanf_~hx~2), 830472192bv32)) [2021-11-20 06:47:51,775 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_640cc67a-7b98-41ce-b6ad-67d1061907a7/bin/uautomizer-DQz5hQGWxF/witness.graphml [2021-11-20 06:47:51,776 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-20 06:47:51,776 INFO L158 Benchmark]: Toolchain (without parser) took 95827.98ms. Allocated memory was 60.8MB in the beginning and 88.1MB in the end (delta: 27.3MB). Free memory was 37.2MB in the beginning and 37.7MB in the end (delta: -529.5kB). Peak memory consumption was 40.8MB. Max. memory is 16.1GB. [2021-11-20 06:47:51,777 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 60.8MB. Free memory was 40.7MB in the beginning and 40.6MB in the end (delta: 42.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 06:47:51,778 INFO L158 Benchmark]: CACSL2BoogieTranslator took 696.94ms. Allocated memory was 60.8MB in the beginning and 73.4MB in the end (delta: 12.6MB). Free memory was 36.9MB in the beginning and 47.8MB in the end (delta: -10.9MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. [2021-11-20 06:47:51,779 INFO L158 Benchmark]: Boogie Procedure Inliner took 143.98ms. Allocated memory is still 73.4MB. Free memory was 47.8MB in the beginning and 40.6MB in the end (delta: 7.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-20 06:47:51,779 INFO L158 Benchmark]: Boogie Preprocessor took 181.73ms. Allocated memory is still 73.4MB. Free memory was 40.6MB in the beginning and 33.2MB in the end (delta: 7.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-20 06:47:51,779 INFO L158 Benchmark]: RCFGBuilder took 34520.05ms. Allocated memory was 73.4MB in the beginning and 88.1MB in the end (delta: 14.7MB). Free memory was 33.2MB in the beginning and 46.9MB in the end (delta: -13.8MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. [2021-11-20 06:47:51,780 INFO L158 Benchmark]: TraceAbstraction took 59828.39ms. Allocated memory is still 88.1MB. Free memory was 46.7MB in the beginning and 45.6MB in the end (delta: 1.1MB). Peak memory consumption was 23.6MB. Max. memory is 16.1GB. [2021-11-20 06:47:51,781 INFO L158 Benchmark]: Witness Printer took 450.23ms. Allocated memory is still 88.1MB. Free memory was 45.6MB in the beginning and 37.7MB in the end (delta: 7.9MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2021-11-20 06:47:51,784 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 60.8MB. Free memory was 40.7MB in the beginning and 40.6MB in the end (delta: 42.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 696.94ms. Allocated memory was 60.8MB in the beginning and 73.4MB in the end (delta: 12.6MB). Free memory was 36.9MB in the beginning and 47.8MB in the end (delta: -10.9MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 143.98ms. Allocated memory is still 73.4MB. Free memory was 47.8MB in the beginning and 40.6MB in the end (delta: 7.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 181.73ms. Allocated memory is still 73.4MB. Free memory was 40.6MB in the beginning and 33.2MB in the end (delta: 7.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 34520.05ms. Allocated memory was 73.4MB in the beginning and 88.1MB in the end (delta: 14.7MB). Free memory was 33.2MB in the beginning and 46.9MB in the end (delta: -13.8MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. * TraceAbstraction took 59828.39ms. Allocated memory is still 88.1MB. Free memory was 46.7MB in the beginning and 45.6MB in the end (delta: 1.1MB). Peak memory consumption was 23.6MB. Max. memory is 16.1GB. * Witness Printer took 450.23ms. Allocated memory is still 88.1MB. Free memory was 45.6MB in the beginning and 37.7MB in the end (delta: 7.9MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] * 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: 629]: 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 5 procedures, 247 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 59.7s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 25.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.4s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 4 mSolverCounterUnknown, 205 SdHoareTripleChecker+Valid, 20.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 198 mSDsluCounter, 1790 SdHoareTripleChecker+Invalid, 20.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 118 IncrementalHoareTripleChecker+Unchecked, 1201 mSDsCounter, 20 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 241 IncrementalHoareTripleChecker+Invalid, 383 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 20 mSolverCounterUnsat, 589 mSDtfsCounter, 241 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 284 GetRequests, 205 SyntacticMatches, 3 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 103 ImplicationChecksByTransitivity, 12.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=247occurred in iteration=0, InterpolantAutomatonStates: 47, 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, 7 MinimizatonAttempts, 7 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 61 LocationsWithAnnotation, 150 PreInvPairs, 163 NumberOfFragments, 170 HoareAnnotationTreeSize, 150 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 61 FomulaSimplificationsInter, 48 FormulaSimplificationTreeSizeReductionInter, 1.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 11.8s SatisfiabilityAnalysisTime, 18.4s InterpolantComputationTime, 139 NumberOfCodeBlocks, 139 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 264 ConstructedInterpolants, 41 QuantifiedInterpolants, 1668 SizeOfPredicates, 35 NumberOfNonLiveVariables, 2729 ConjunctsInSsa, 59 ConjunctsInUnsatCore, 14 InterpolantComputations, 14 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: 19]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 61]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 474]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 379]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 300]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 469]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 304]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 604]: Loop Invariant Derived loop invariant: (((((aux-res == -0.0f && __signbit_float(res) == 1-aux && \result == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && \result == 1bv32) && ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == x) && res == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 100]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 581]: Loop Invariant Derived loop invariant: \result == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 585]: Loop Invariant Derived loop invariant: x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 161]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 224]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 504]: Loop Invariant Derived loop invariant: \old(x) == x && iy == \old(iy) - InvariantResult [Line: 293]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 242]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 189]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 180]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 181]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 284]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 319]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 162]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 248]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 250]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 480]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 285]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 262]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 279]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 245]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 113]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 439]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 213]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 607]: Loop Invariant Derived loop invariant: (((aux-res == -0.0f && __signbit_float(res) == 1-aux && \result == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == x) && res == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 554]: Loop Invariant [2021-11-20 06:47:51,825 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2021-11-20 06:47:51,825 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2021-11-20 06:47:51,825 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2021-11-20 06:47:51,825 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2021-11-20 06:47:51,826 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2021-11-20 06:47:51,826 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2021-11-20 06:47:51,826 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2021-11-20 06:47:51,826 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] Derived loop invariant: (\exists __kernel_tanf_~hx~2 : bv32 :: ~fp~LONGDOUBLE(__kernel_tanf_~hx~2[31:31], __kernel_tanf_~hx~2[30:23], __kernel_tanf_~hx~2[22:0]) == \old(x) && !~bvslt32(~bvand32(2147483647bv32, __kernel_tanf_~hx~2), 830472192bv32)) - InvariantResult [Line: 290]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 427]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 314]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 566]: Loop Invariant [2021-11-20 06:47:51,827 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2021-11-20 06:47:51,828 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2021-11-20 06:47:51,828 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2021-11-20 06:47:51,828 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2021-11-20 06:47:51,828 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2021-11-20 06:47:51,828 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2021-11-20 06:47:51,829 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2021-11-20 06:47:51,829 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] Derived loop invariant: (\exists __kernel_tanf_~hx~2 : bv32 :: ~fp~LONGDOUBLE(__kernel_tanf_~hx~2[31:31], __kernel_tanf_~hx~2[30:23], __kernel_tanf_~hx~2[22:0]) == \old(x) && !~bvslt32(~bvand32(2147483647bv32, __kernel_tanf_~hx~2), 830472192bv32)) - InvariantResult [Line: 177]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 373]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-11-20 06:47:52,003 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_640cc67a-7b98-41ce-b6ad-67d1061907a7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE