./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_1092b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0947db2-dadd-4fa6-b538-0dd55afb63af/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0947db2-dadd-4fa6-b538-0dd55afb63af/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0947db2-dadd-4fa6-b538-0dd55afb63af/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0947db2-dadd-4fa6-b538-0dd55afb63af/bin/uautomizer-GMMbpWq8iD/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1092b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0947db2-dadd-4fa6-b538-0dd55afb63af/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0947db2-dadd-4fa6-b538-0dd55afb63af/bin/uautomizer-GMMbpWq8iD --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 b6a79bd811ba30bc3163e272e2b4a2c8d4bc7e99a75fdcec3ffb0e3966342f97 ............................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0947db2-dadd-4fa6-b538-0dd55afb63af/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0947db2-dadd-4fa6-b538-0dd55afb63af/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0947db2-dadd-4fa6-b538-0dd55afb63af/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0947db2-dadd-4fa6-b538-0dd55afb63af/bin/uautomizer-GMMbpWq8iD/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1092b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0947db2-dadd-4fa6-b538-0dd55afb63af/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0947db2-dadd-4fa6-b538-0dd55afb63af/bin/uautomizer-GMMbpWq8iD --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 b6a79bd811ba30bc3163e272e2b4a2c8d4bc7e99a75fdcec3ffb0e3966342f97 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 23:58:04,781 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 23:58:04,784 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 23:58:04,861 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 23:58:04,862 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 23:58:04,868 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 23:58:04,870 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 23:58:04,876 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 23:58:04,879 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 23:58:04,886 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 23:58:04,887 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 23:58:04,890 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 23:58:04,890 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 23:58:04,894 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 23:58:04,896 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 23:58:04,902 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 23:58:04,905 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 23:58:04,906 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 23:58:04,909 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 23:58:04,919 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 23:58:04,921 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 23:58:04,923 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 23:58:04,927 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 23:58:04,929 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 23:58:04,934 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 23:58:04,934 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 23:58:04,935 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 23:58:04,937 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 23:58:04,938 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 23:58:04,940 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 23:58:04,941 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 23:58:04,942 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 23:58:04,945 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 23:58:04,946 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 23:58:04,948 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 23:58:04,949 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 23:58:04,950 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 23:58:04,950 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 23:58:04,950 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 23:58:04,951 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 23:58:04,952 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 23:58:04,954 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0947db2-dadd-4fa6-b538-0dd55afb63af/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-28 23:58:05,008 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 23:58:05,008 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 23:58:05,009 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 23:58:05,009 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 23:58:05,011 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 23:58:05,011 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 23:58:05,012 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 23:58:05,012 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 23:58:05,012 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 23:58:05,012 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 23:58:05,014 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 23:58:05,014 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 23:58:05,014 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 23:58:05,014 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 23:58:05,015 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 23:58:05,015 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 23:58:05,015 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 23:58:05,015 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 23:58:05,016 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 23:58:05,016 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 23:58:05,016 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 23:58:05,017 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 23:58:05,017 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:58:05,017 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 23:58:05,017 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 23:58:05,018 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 23:58:05,018 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 23:58:05,018 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 23:58:05,018 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 23:58:05,019 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 23:58:05,019 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 23:58:05,019 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 23:58:05,020 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_a0947db2-dadd-4fa6-b538-0dd55afb63af/bin/uautomizer-GMMbpWq8iD/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0947db2-dadd-4fa6-b538-0dd55afb63af/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b6a79bd811ba30bc3163e272e2b4a2c8d4bc7e99a75fdcec3ffb0e3966342f97 [2021-10-28 23:58:05,402 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 23:58:05,454 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 23:58:05,457 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 23:58:05,459 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 23:58:05,460 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 23:58:05,461 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0947db2-dadd-4fa6-b538-0dd55afb63af/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/float-newlib/double_req_bl_1092b.c [2021-10-28 23:58:05,551 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0947db2-dadd-4fa6-b538-0dd55afb63af/bin/uautomizer-GMMbpWq8iD/data/b6634cdc2/e0b1043880164b21a603a9f860bc91de/FLAGccbe089f8 [2021-10-28 23:58:06,314 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 23:58:06,316 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0947db2-dadd-4fa6-b538-0dd55afb63af/sv-benchmarks/c/float-newlib/double_req_bl_1092b.c [2021-10-28 23:58:06,332 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0947db2-dadd-4fa6-b538-0dd55afb63af/bin/uautomizer-GMMbpWq8iD/data/b6634cdc2/e0b1043880164b21a603a9f860bc91de/FLAGccbe089f8 [2021-10-28 23:58:06,646 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0947db2-dadd-4fa6-b538-0dd55afb63af/bin/uautomizer-GMMbpWq8iD/data/b6634cdc2/e0b1043880164b21a603a9f860bc91de [2021-10-28 23:58:06,649 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 23:58:06,650 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 23:58:06,656 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 23:58:06,656 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 23:58:06,661 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 23:58:06,662 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:58:06" (1/1) ... [2021-10-28 23:58:06,664 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66573382 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:58:06, skipping insertion in model container [2021-10-28 23:58:06,664 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:58:06" (1/1) ... [2021-10-28 23:58:06,673 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 23:58:06,702 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:58:06,945 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0947db2-dadd-4fa6-b538-0dd55afb63af/sv-benchmarks/c/float-newlib/double_req_bl_1092b.c[2109,2122] [2021-10-28 23:58:06,949 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:58:06,959 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 23:58:06,993 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0947db2-dadd-4fa6-b538-0dd55afb63af/sv-benchmarks/c/float-newlib/double_req_bl_1092b.c[2109,2122] [2021-10-28 23:58:06,993 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:58:07,011 INFO L208 MainTranslator]: Completed translation [2021-10-28 23:58:07,012 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:58:07 WrapperNode [2021-10-28 23:58:07,012 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 23:58:07,013 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 23:58:07,014 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 23:58:07,014 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 23:58:07,026 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:58:07" (1/1) ... [2021-10-28 23:58:07,052 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:58:07" (1/1) ... [2021-10-28 23:58:07,097 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 23:58:07,101 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 23:58:07,101 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 23:58:07,101 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 23:58:07,112 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:58:07" (1/1) ... [2021-10-28 23:58:07,112 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:58:07" (1/1) ... [2021-10-28 23:58:07,121 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:58:07" (1/1) ... [2021-10-28 23:58:07,122 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:58:07" (1/1) ... [2021-10-28 23:58:07,140 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:58:07" (1/1) ... [2021-10-28 23:58:07,154 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:58:07" (1/1) ... [2021-10-28 23:58:07,158 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:58:07" (1/1) ... [2021-10-28 23:58:07,163 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 23:58:07,175 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 23:58:07,175 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 23:58:07,176 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 23:58:07,178 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:58:07" (1/1) ... [2021-10-28 23:58:07,187 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:58:07,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0947db2-dadd-4fa6-b538-0dd55afb63af/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:58:07,216 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0947db2-dadd-4fa6-b538-0dd55afb63af/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 23:58:07,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0947db2-dadd-4fa6-b538-0dd55afb63af/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 23:58:07,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 23:58:07,283 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 23:58:07,283 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-10-28 23:58:07,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-28 23:58:07,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-10-28 23:58:07,284 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 23:58:07,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 23:58:07,284 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-28 23:58:07,284 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-28 23:58:07,668 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 23:58:07,684 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-10-28 23:58:07,686 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:58:07 BoogieIcfgContainer [2021-10-28 23:58:07,687 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 23:58:07,689 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 23:58:07,689 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 23:58:07,693 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 23:58:07,693 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 11:58:06" (1/3) ... [2021-10-28 23:58:07,694 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3de50bf2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:58:07, skipping insertion in model container [2021-10-28 23:58:07,695 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:58:07" (2/3) ... [2021-10-28 23:58:07,695 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3de50bf2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:58:07, skipping insertion in model container [2021-10-28 23:58:07,695 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:58:07" (3/3) ... [2021-10-28 23:58:07,697 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_1092b.c [2021-10-28 23:58:07,704 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 23:58:07,704 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-28 23:58:07,796 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 23:58:07,804 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 [2021-10-28 23:58:07,805 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-28 23:58:07,824 INFO L276 IsEmpty]: Start isEmpty. Operand has 33 states, 31 states have (on average 1.6774193548387097) internal successors, (52), 32 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:58:07,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-28 23:58:07,831 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:58:07,831 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:58:07,832 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:58:07,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:58:07,839 INFO L85 PathProgramCache]: Analyzing trace with hash 1046119076, now seen corresponding path program 1 times [2021-10-28 23:58:07,851 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:58:07,851 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106746764] [2021-10-28 23:58:07,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:58:07,853 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:58:07,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:58:08,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:58:08,102 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:58:08,103 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [106746764] [2021-10-28 23:58:08,104 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [106746764] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:58:08,105 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:58:08,106 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 23:58:08,109 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [966604797] [2021-10-28 23:58:08,126 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-28 23:58:08,126 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:58:08,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-28 23:58:08,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-28 23:58:08,156 INFO L87 Difference]: Start difference. First operand has 33 states, 31 states have (on average 1.6774193548387097) internal successors, (52), 32 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:58:08,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:58:08,184 INFO L93 Difference]: Finished difference Result 64 states and 102 transitions. [2021-10-28 23:58:08,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-28 23:58:08,186 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 [2021-10-28 23:58:08,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:58:08,199 INFO L225 Difference]: With dead ends: 64 [2021-10-28 23:58:08,201 INFO L226 Difference]: Without dead ends: 30 [2021-10-28 23:58:08,206 INFO L786 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 [2021-10-28 23:58:08,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2021-10-28 23:58:08,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2021-10-28 23:58:08,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 29 states have (on average 1.5172413793103448) internal successors, (44), 29 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:58:08,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 44 transitions. [2021-10-28 23:58:08,255 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 44 transitions. Word has length 10 [2021-10-28 23:58:08,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:58:08,257 INFO L470 AbstractCegarLoop]: Abstraction has 30 states and 44 transitions. [2021-10-28 23:58:08,257 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) [2021-10-28 23:58:08,258 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2021-10-28 23:58:08,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-28 23:58:08,260 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:58:08,260 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:58:08,260 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-28 23:58:08,261 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:58:08,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:58:08,266 INFO L85 PathProgramCache]: Analyzing trace with hash -1289188121, now seen corresponding path program 1 times [2021-10-28 23:58:08,266 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:58:08,267 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1497117765] [2021-10-28 23:58:08,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:58:08,268 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:58:08,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:58:08,385 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:58:08,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:58:08,492 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:58:08,496 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-10-28 23:58:08,498 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:58:08,501 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-28 23:58:08,506 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1] [2021-10-28 23:58:08,510 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 23:58:08,559 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 11:58:08 BoogieIcfgContainer [2021-10-28 23:58:08,559 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 23:58:08,561 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 23:58:08,561 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 23:58:08,562 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 23:58:08,563 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:58:07" (3/4) ... [2021-10-28 23:58:08,567 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-28 23:58:08,567 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 23:58:08,570 INFO L168 Benchmark]: Toolchain (without parser) took 1918.02 ms. Allocated memory was 100.7 MB in the beginning and 148.9 MB in the end (delta: 48.2 MB). Free memory was 72.8 MB in the beginning and 112.7 MB in the end (delta: -39.9 MB). Peak memory consumption was 7.6 MB. Max. memory is 16.1 GB. [2021-10-28 23:58:08,572 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 100.7 MB. Free memory is still 53.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:58:08,574 INFO L168 Benchmark]: CACSL2BoogieTranslator took 356.89 ms. Allocated memory is still 100.7 MB. Free memory was 72.6 MB in the beginning and 74.2 MB in the end (delta: -1.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 23:58:08,576 INFO L168 Benchmark]: Boogie Procedure Inliner took 86.16 ms. Allocated memory is still 100.7 MB. Free memory was 74.2 MB in the beginning and 72.4 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:58:08,583 INFO L168 Benchmark]: Boogie Preprocessor took 73.46 ms. Allocated memory is still 100.7 MB. Free memory was 72.4 MB in the beginning and 70.9 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:58:08,585 INFO L168 Benchmark]: RCFGBuilder took 511.71 ms. Allocated memory is still 100.7 MB. Free memory was 70.9 MB in the beginning and 58.8 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-28 23:58:08,586 INFO L168 Benchmark]: TraceAbstraction took 870.68 ms. Allocated memory was 100.7 MB in the beginning and 148.9 MB in the end (delta: 48.2 MB). Free memory was 58.3 MB in the beginning and 112.7 MB in the end (delta: -54.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:58:08,586 INFO L168 Benchmark]: Witness Printer took 6.25 ms. Allocated memory is still 148.9 MB. Free memory is still 112.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:58:08,597 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 100.7 MB. Free memory is still 53.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 356.89 ms. Allocated memory is still 100.7 MB. Free memory was 72.6 MB in the beginning and 74.2 MB in the end (delta: -1.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 86.16 ms. Allocated memory is still 100.7 MB. Free memory was 74.2 MB in the beginning and 72.4 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 73.46 ms. Allocated memory is still 100.7 MB. Free memory was 72.4 MB in the beginning and 70.9 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 511.71 ms. Allocated memory is still 100.7 MB. Free memory was 70.9 MB in the beginning and 58.8 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 870.68 ms. Allocated memory was 100.7 MB in the beginning and 148.9 MB in the end (delta: 48.2 MB). Free memory was 58.3 MB in the beginning and 112.7 MB in the end (delta: -54.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 6.25 ms. Allocated memory is still 148.9 MB. Free memory is still 112.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s 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: 98]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of shiftRight at line 43, overapproximation of bitwiseOr at line 44, overapproximation of bitwiseAnd at line 30, overapproximation of someBinaryDOUBLEComparisonOperation at line 97. Possible FailurePath: [L19] static const double huge_ceil = 1.0e300; VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L93] double x = 0.0; [L22] __int32_t i0, i1, j0; [L23] __uint32_t i, j; VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L25] ieee_double_shape_type ew_u; [L26] ew_u.value = (x) [L27] EXPR ew_u.parts.msw [L27] (i0) = ew_u.parts.msw [L28] EXPR ew_u.parts.lsw [L28] (i1) = ew_u.parts.lsw [L30] j0 = ((i0 >> 20) & 0x7ff) - 0x3ff VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L31] COND TRUE j0 < 20 VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L32] COND FALSE !(j0 < 0) [L43] i = (0x000fffff) >> j0 VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L44] COND TRUE ((i0 & i) | i1) == 0 [L45] return x; VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L94] double res = ceil_double(x); [L97] COND TRUE res != x VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L98] reach_error() VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 33 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 47 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, 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=33occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-10-28 23:58:08,663 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0947db2-dadd-4fa6-b538-0dd55afb63af/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 23:58:11,631 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 23:58:11,634 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 23:58:11,672 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 23:58:11,673 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 23:58:11,674 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 23:58:11,677 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 23:58:11,680 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 23:58:11,683 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 23:58:11,684 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 23:58:11,686 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 23:58:11,688 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 23:58:11,688 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 23:58:11,690 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 23:58:11,696 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 23:58:11,700 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 23:58:11,705 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 23:58:11,707 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 23:58:11,712 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 23:58:11,722 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 23:58:11,725 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 23:58:11,727 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 23:58:11,730 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 23:58:11,734 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 23:58:11,746 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 23:58:11,746 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 23:58:11,747 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 23:58:11,749 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 23:58:11,750 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 23:58:11,752 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 23:58:11,753 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 23:58:11,754 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 23:58:11,757 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 23:58:11,758 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 23:58:11,760 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 23:58:11,780 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 23:58:11,781 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 23:58:11,782 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 23:58:11,782 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 23:58:11,785 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 23:58:11,786 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 23:58:11,787 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0947db2-dadd-4fa6-b538-0dd55afb63af/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-10-28 23:58:11,844 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 23:58:11,844 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 23:58:11,845 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 23:58:11,845 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 23:58:11,848 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 23:58:11,848 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 23:58:11,849 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 23:58:11,849 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 23:58:11,849 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 23:58:11,850 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 23:58:11,851 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 23:58:11,851 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 23:58:11,852 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 23:58:11,852 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 23:58:11,852 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-28 23:58:11,853 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-28 23:58:11,853 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 23:58:11,853 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 23:58:11,853 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 23:58:11,854 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 23:58:11,854 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 23:58:11,854 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 23:58:11,855 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 23:58:11,855 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:58:11,855 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 23:58:11,856 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 23:58:11,856 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 23:58:11,856 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-28 23:58:11,856 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-28 23:58:11,857 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 23:58:11,857 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 23:58:11,857 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 23:58:11,858 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 23:58:11,858 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-28 23:58:11,859 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_a0947db2-dadd-4fa6-b538-0dd55afb63af/bin/uautomizer-GMMbpWq8iD/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0947db2-dadd-4fa6-b538-0dd55afb63af/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b6a79bd811ba30bc3163e272e2b4a2c8d4bc7e99a75fdcec3ffb0e3966342f97 [2021-10-28 23:58:12,373 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 23:58:12,400 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 23:58:12,403 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 23:58:12,405 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 23:58:12,407 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 23:58:12,408 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0947db2-dadd-4fa6-b538-0dd55afb63af/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/float-newlib/double_req_bl_1092b.c [2021-10-28 23:58:12,498 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0947db2-dadd-4fa6-b538-0dd55afb63af/bin/uautomizer-GMMbpWq8iD/data/0913c9d5f/8c3457ee236141e1831001d89cf3b989/FLAG9bc7385af [2021-10-28 23:58:13,188 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 23:58:13,188 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0947db2-dadd-4fa6-b538-0dd55afb63af/sv-benchmarks/c/float-newlib/double_req_bl_1092b.c [2021-10-28 23:58:13,201 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0947db2-dadd-4fa6-b538-0dd55afb63af/bin/uautomizer-GMMbpWq8iD/data/0913c9d5f/8c3457ee236141e1831001d89cf3b989/FLAG9bc7385af [2021-10-28 23:58:13,539 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0947db2-dadd-4fa6-b538-0dd55afb63af/bin/uautomizer-GMMbpWq8iD/data/0913c9d5f/8c3457ee236141e1831001d89cf3b989 [2021-10-28 23:58:13,542 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 23:58:13,545 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 23:58:13,550 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 23:58:13,550 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 23:58:13,554 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 23:58:13,554 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:58:13" (1/1) ... [2021-10-28 23:58:13,556 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3cc0bafd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:58:13, skipping insertion in model container [2021-10-28 23:58:13,562 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:58:13" (1/1) ... [2021-10-28 23:58:13,572 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 23:58:13,604 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:58:13,895 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0947db2-dadd-4fa6-b538-0dd55afb63af/sv-benchmarks/c/float-newlib/double_req_bl_1092b.c[2109,2122] [2021-10-28 23:58:13,903 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:58:13,928 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 23:58:14,056 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0947db2-dadd-4fa6-b538-0dd55afb63af/sv-benchmarks/c/float-newlib/double_req_bl_1092b.c[2109,2122] [2021-10-28 23:58:14,060 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:58:14,097 INFO L208 MainTranslator]: Completed translation [2021-10-28 23:58:14,098 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:58:14 WrapperNode [2021-10-28 23:58:14,098 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 23:58:14,100 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 23:58:14,100 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 23:58:14,100 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 23:58:14,109 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:58:14" (1/1) ... [2021-10-28 23:58:14,136 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:58:14" (1/1) ... [2021-10-28 23:58:14,178 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 23:58:14,180 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 23:58:14,180 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 23:58:14,181 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 23:58:14,191 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:58:14" (1/1) ... [2021-10-28 23:58:14,191 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:58:14" (1/1) ... [2021-10-28 23:58:14,205 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:58:14" (1/1) ... [2021-10-28 23:58:14,205 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:58:14" (1/1) ... [2021-10-28 23:58:14,230 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:58:14" (1/1) ... [2021-10-28 23:58:14,249 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:58:14" (1/1) ... [2021-10-28 23:58:14,251 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:58:14" (1/1) ... [2021-10-28 23:58:14,256 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 23:58:14,262 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 23:58:14,262 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 23:58:14,262 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 23:58:14,263 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:58:14" (1/1) ... [2021-10-28 23:58:14,277 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:58:14,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0947db2-dadd-4fa6-b538-0dd55afb63af/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:58:14,311 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0947db2-dadd-4fa6-b538-0dd55afb63af/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 23:58:14,337 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0947db2-dadd-4fa6-b538-0dd55afb63af/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 23:58:14,378 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2021-10-28 23:58:14,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2021-10-28 23:58:14,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-28 23:58:14,379 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 23:58:14,380 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-28 23:58:14,380 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 23:58:14,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 23:58:14,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-28 23:58:14,381 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-28 23:58:16,059 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 23:58:16,059 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-10-28 23:58:16,062 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:58:16 BoogieIcfgContainer [2021-10-28 23:58:16,062 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 23:58:16,064 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 23:58:16,065 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 23:58:16,068 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 23:58:16,068 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 11:58:13" (1/3) ... [2021-10-28 23:58:16,069 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50e89812 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:58:16, skipping insertion in model container [2021-10-28 23:58:16,070 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:58:14" (2/3) ... [2021-10-28 23:58:16,070 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50e89812 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:58:16, skipping insertion in model container [2021-10-28 23:58:16,071 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:58:16" (3/3) ... [2021-10-28 23:58:16,072 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_1092b.c [2021-10-28 23:58:16,079 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 23:58:16,079 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-28 23:58:16,139 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 23:58:16,146 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 [2021-10-28 23:58:16,147 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-28 23:58:16,164 INFO L276 IsEmpty]: Start isEmpty. Operand has 33 states, 31 states have (on average 1.6774193548387097) internal successors, (52), 32 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:58:16,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-28 23:58:16,171 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:58:16,172 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:58:16,172 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:58:16,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:58:16,179 INFO L85 PathProgramCache]: Analyzing trace with hash 1046119076, now seen corresponding path program 1 times [2021-10-28 23:58:16,194 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 23:58:16,195 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [620490960] [2021-10-28 23:58:16,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:58:16,196 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 23:58:16,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0947db2-dadd-4fa6-b538-0dd55afb63af/bin/uautomizer-GMMbpWq8iD/mathsat [2021-10-28 23:58:16,198 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0947db2-dadd-4fa6-b538-0dd55afb63af/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 23:58:16,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0947db2-dadd-4fa6-b538-0dd55afb63af/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-28 23:58:16,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:58:16,299 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-28 23:58:16,304 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:58:16,398 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:58:16,399 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 23:58:16,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:58:16,459 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 23:58:16,460 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [620490960] [2021-10-28 23:58:16,461 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [620490960] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-28 23:58:16,461 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:58:16,462 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-28 23:58:16,464 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [391736666] [2021-10-28 23:58:16,469 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-28 23:58:16,470 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 23:58:16,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-28 23:58:16,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-28 23:58:16,489 INFO L87 Difference]: Start difference. First operand has 33 states, 31 states have (on average 1.6774193548387097) internal successors, (52), 32 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:58:16,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:58:16,510 INFO L93 Difference]: Finished difference Result 64 states and 102 transitions. [2021-10-28 23:58:16,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-28 23:58:16,512 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 [2021-10-28 23:58:16,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:58:16,521 INFO L225 Difference]: With dead ends: 64 [2021-10-28 23:58:16,521 INFO L226 Difference]: Without dead ends: 30 [2021-10-28 23:58:16,523 INFO L786 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 [2021-10-28 23:58:16,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2021-10-28 23:58:16,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2021-10-28 23:58:16,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 29 states have (on average 1.5172413793103448) internal successors, (44), 29 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:58:16,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 44 transitions. [2021-10-28 23:58:16,564 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 44 transitions. Word has length 10 [2021-10-28 23:58:16,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:58:16,565 INFO L470 AbstractCegarLoop]: Abstraction has 30 states and 44 transitions. [2021-10-28 23:58:16,565 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) [2021-10-28 23:58:16,565 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2021-10-28 23:58:16,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-28 23:58:16,567 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:58:16,567 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:58:16,586 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0947db2-dadd-4fa6-b538-0dd55afb63af/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-28 23:58:16,782 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0947db2-dadd-4fa6-b538-0dd55afb63af/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 [2021-10-28 23:58:16,783 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:58:16,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:58:16,784 INFO L85 PathProgramCache]: Analyzing trace with hash -1289188121, now seen corresponding path program 1 times [2021-10-28 23:58:16,785 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 23:58:16,785 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1733009416] [2021-10-28 23:58:16,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:58:16,786 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 23:58:16,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0947db2-dadd-4fa6-b538-0dd55afb63af/bin/uautomizer-GMMbpWq8iD/mathsat [2021-10-28 23:58:16,787 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0947db2-dadd-4fa6-b538-0dd55afb63af/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 23:58:16,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0947db2-dadd-4fa6-b538-0dd55afb63af/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-28 23:58:16,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:58:16,889 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-28 23:58:16,892 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:58:17,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:58:17,205 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 23:58:17,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:58:17,417 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 23:58:17,418 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1733009416] [2021-10-28 23:58:17,419 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1733009416] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-28 23:58:17,419 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:58:17,420 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-10-28 23:58:17,420 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1094767906] [2021-10-28 23:58:17,422 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-28 23:58:17,422 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 23:58:17,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-28 23:58:17,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-28 23:58:17,428 INFO L87 Difference]: Start difference. First operand 30 states and 44 transitions. Second operand has 8 states, 8 states have (on average 2.125) internal successors, (17), 8 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:58:17,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:58:17,996 INFO L93 Difference]: Finished difference Result 44 states and 56 transitions. [2021-10-28 23:58:17,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-28 23:58:17,997 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.125) internal successors, (17), 8 states have internal predecessors, (17), 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 [2021-10-28 23:58:17,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:58:17,998 INFO L225 Difference]: With dead ends: 44 [2021-10-28 23:58:17,999 INFO L226 Difference]: Without dead ends: 24 [2021-10-28 23:58:18,000 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-10-28 23:58:18,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2021-10-28 23:58:18,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 17. [2021-10-28 23:58:18,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 16 states have (on average 1.125) internal successors, (18), 16 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:58:18,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 18 transitions. [2021-10-28 23:58:18,005 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 18 transitions. Word has length 11 [2021-10-28 23:58:18,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:58:18,006 INFO L470 AbstractCegarLoop]: Abstraction has 17 states and 18 transitions. [2021-10-28 23:58:18,006 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.125) internal successors, (17), 8 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:58:18,006 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2021-10-28 23:58:18,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-28 23:58:18,007 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:58:18,007 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:58:18,026 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0947db2-dadd-4fa6-b538-0dd55afb63af/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-28 23:58:18,220 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0947db2-dadd-4fa6-b538-0dd55afb63af/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 [2021-10-28 23:58:18,221 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:58:18,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:58:18,222 INFO L85 PathProgramCache]: Analyzing trace with hash -713684991, now seen corresponding path program 1 times [2021-10-28 23:58:18,223 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 23:58:18,224 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1459762513] [2021-10-28 23:58:18,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:58:18,225 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 23:58:18,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0947db2-dadd-4fa6-b538-0dd55afb63af/bin/uautomizer-GMMbpWq8iD/mathsat [2021-10-28 23:58:18,226 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0947db2-dadd-4fa6-b538-0dd55afb63af/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 23:58:18,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0947db2-dadd-4fa6-b538-0dd55afb63af/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-28 23:58:18,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:58:18,487 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-28 23:58:18,488 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:58:18,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:58:18,856 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 23:58:23,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:58:23,433 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 23:58:23,433 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1459762513] [2021-10-28 23:58:23,433 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1459762513] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-28 23:58:23,433 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:58:23,433 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2021-10-28 23:58:23,434 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773529944] [2021-10-28 23:58:23,434 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-28 23:58:23,434 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 23:58:23,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-28 23:58:23,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-10-28 23:58:23,436 INFO L87 Difference]: Start difference. First operand 17 states and 18 transitions. Second operand has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:58:24,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:58:24,065 INFO L93 Difference]: Finished difference Result 24 states and 24 transitions. [2021-10-28 23:58:24,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 23:58:24,074 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2021-10-28 23:58:24,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:58:24,075 INFO L225 Difference]: With dead ends: 24 [2021-10-28 23:58:24,075 INFO L226 Difference]: Without dead ends: 17 [2021-10-28 23:58:24,076 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-10-28 23:58:24,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2021-10-28 23:58:24,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2021-10-28 23:58:24,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 16 states have (on average 1.0625) internal successors, (17), 16 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:58:24,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 17 transitions. [2021-10-28 23:58:24,080 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 17 transitions. Word has length 14 [2021-10-28 23:58:24,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:58:24,081 INFO L470 AbstractCegarLoop]: Abstraction has 17 states and 17 transitions. [2021-10-28 23:58:24,081 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:58:24,082 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 17 transitions. [2021-10-28 23:58:24,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-28 23:58:24,083 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:58:24,083 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:58:24,098 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0947db2-dadd-4fa6-b538-0dd55afb63af/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-28 23:58:24,292 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0947db2-dadd-4fa6-b538-0dd55afb63af/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 [2021-10-28 23:58:24,292 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:58:24,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:58:24,294 INFO L85 PathProgramCache]: Analyzing trace with hash -1786240041, now seen corresponding path program 1 times [2021-10-28 23:58:24,294 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 23:58:24,294 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [943718413] [2021-10-28 23:58:24,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:58:24,295 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 23:58:24,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0947db2-dadd-4fa6-b538-0dd55afb63af/bin/uautomizer-GMMbpWq8iD/mathsat [2021-10-28 23:58:24,309 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0947db2-dadd-4fa6-b538-0dd55afb63af/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 23:58:24,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0947db2-dadd-4fa6-b538-0dd55afb63af/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-28 23:58:24,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:58:24,568 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-28 23:58:24,570 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:58:24,639 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 27 [2021-10-28 23:58:24,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:58:24,914 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 23:58:25,013 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 27 [2021-10-28 23:58:25,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:58:25,041 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 23:58:25,041 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [943718413] [2021-10-28 23:58:25,042 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [943718413] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-28 23:58:25,042 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:58:25,042 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 5 [2021-10-28 23:58:25,043 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685303396] [2021-10-28 23:58:25,043 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 23:58:25,044 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 23:58:25,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 23:58:25,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:58:25,045 INFO L87 Difference]: Start difference. First operand 17 states and 17 transitions. Second operand has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:58:25,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:58:25,235 INFO L93 Difference]: Finished difference Result 24 states and 23 transitions. [2021-10-28 23:58:25,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 23:58:25,241 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 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 16 [2021-10-28 23:58:25,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:58:25,242 INFO L225 Difference]: With dead ends: 24 [2021-10-28 23:58:25,242 INFO L226 Difference]: Without dead ends: 17 [2021-10-28 23:58:25,243 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 26 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-10-28 23:58:25,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2021-10-28 23:58:25,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2021-10-28 23:58:25,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 16 states have (on average 1.0) internal successors, (16), 16 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) [2021-10-28 23:58:25,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 16 transitions. [2021-10-28 23:58:25,247 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 16 transitions. Word has length 16 [2021-10-28 23:58:25,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:58:25,247 INFO L470 AbstractCegarLoop]: Abstraction has 17 states and 16 transitions. [2021-10-28 23:58:25,248 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:58:25,248 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 16 transitions. [2021-10-28 23:58:25,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-28 23:58:25,249 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:58:25,249 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:58:25,266 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0947db2-dadd-4fa6-b538-0dd55afb63af/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-28 23:58:25,464 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0947db2-dadd-4fa6-b538-0dd55afb63af/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 [2021-10-28 23:58:25,464 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:58:25,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:58:25,465 INFO L85 PathProgramCache]: Analyzing trace with hash -11232679, now seen corresponding path program 1 times [2021-10-28 23:58:25,465 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 23:58:25,466 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1051922211] [2021-10-28 23:58:25,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:58:25,466 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 23:58:25,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0947db2-dadd-4fa6-b538-0dd55afb63af/bin/uautomizer-GMMbpWq8iD/mathsat [2021-10-28 23:58:25,468 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0947db2-dadd-4fa6-b538-0dd55afb63af/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 23:58:25,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0947db2-dadd-4fa6-b538-0dd55afb63af/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-28 23:58:25,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:58:25,735 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 12 conjunts are in the unsatisfiable core [2021-10-28 23:58:25,738 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:58:25,832 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 33 [2021-10-28 23:58:26,595 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-10-28 23:58:26,596 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 76 treesize of output 74 [2021-10-28 23:58:26,663 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 18 [2021-10-28 23:58:26,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:58:26,812 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 23:58:27,285 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-10-28 23:58:27,285 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 105 treesize of output 84 [2021-10-28 23:58:27,307 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-10-28 23:58:27,307 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 84 treesize of output 82 [2021-10-28 23:58:27,362 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-10-28 23:58:27,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:58:27,550 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 23:58:27,551 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1051922211] [2021-10-28 23:58:27,551 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1051922211] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-28 23:58:27,551 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:58:27,552 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 8] imperfect sequences [] total 13 [2021-10-28 23:58:27,552 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403720748] [2021-10-28 23:58:27,552 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-28 23:58:27,553 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 23:58:27,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-28 23:58:27,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2021-10-28 23:58:27,554 INFO L87 Difference]: Start difference. First operand 17 states and 16 transitions. Second operand has 13 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:58:28,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:58:28,017 INFO L93 Difference]: Finished difference Result 17 states and 16 transitions. [2021-10-28 23:58:28,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-28 23:58:28,018 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 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 16 [2021-10-28 23:58:28,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:58:28,018 INFO L225 Difference]: With dead ends: 17 [2021-10-28 23:58:28,018 INFO L226 Difference]: Without dead ends: 0 [2021-10-28 23:58:28,019 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=74, Invalid=166, Unknown=0, NotChecked=0, Total=240 [2021-10-28 23:58:28,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-28 23:58:28,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-28 23:58:28,019 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) [2021-10-28 23:58:28,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-28 23:58:28,020 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 16 [2021-10-28 23:58:28,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:58:28,020 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:58:28,020 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:58:28,020 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-28 23:58:28,021 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-28 23:58:28,023 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:58:28,039 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0947db2-dadd-4fa6-b538-0dd55afb63af/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-28 23:58:28,224 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0947db2-dadd-4fa6-b538-0dd55afb63af/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 [2021-10-28 23:58:28,226 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-28 23:58:28,229 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:58:28,271 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:58:28,273 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:58:28,502 INFO L857 garLoopResultBuilder]: For program point L60(lines 60 61) no Hoare annotation was computed. [2021-10-28 23:58:28,503 INFO L857 garLoopResultBuilder]: For program point L44(lines 44 45) no Hoare annotation was computed. [2021-10-28 23:58:28,503 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-28 23:58:28,503 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-28 23:58:28,503 INFO L857 garLoopResultBuilder]: For program point L53(lines 53 75) no Hoare annotation was computed. [2021-10-28 23:58:28,503 INFO L857 garLoopResultBuilder]: For program point L37(lines 37 40) no Hoare annotation was computed. [2021-10-28 23:58:28,504 INFO L857 garLoopResultBuilder]: For program point L62(lines 62 74) no Hoare annotation was computed. [2021-10-28 23:58:28,504 INFO L857 garLoopResultBuilder]: For program point L54(lines 54 57) no Hoare annotation was computed. [2021-10-28 23:58:28,504 INFO L857 garLoopResultBuilder]: For program point L46(lines 46 51) no Hoare annotation was computed. [2021-10-28 23:58:28,504 INFO L857 garLoopResultBuilder]: For program point L63(lines 63 72) no Hoare annotation was computed. [2021-10-28 23:58:28,504 INFO L857 garLoopResultBuilder]: For program point L63-1(lines 63 72) no Hoare annotation was computed. [2021-10-28 23:58:28,504 INFO L857 garLoopResultBuilder]: For program point L47(lines 47 48) no Hoare annotation was computed. [2021-10-28 23:58:28,505 INFO L857 garLoopResultBuilder]: For program point L47-2(lines 47 48) no Hoare annotation was computed. [2021-10-28 23:58:28,505 INFO L857 garLoopResultBuilder]: For program point L97(lines 97 100) no Hoare annotation was computed. [2021-10-28 23:58:28,505 INFO L857 garLoopResultBuilder]: For program point L64(lines 64 71) no Hoare annotation was computed. [2021-10-28 23:58:28,505 INFO L857 garLoopResultBuilder]: For program point L31(lines 31 75) no Hoare annotation was computed. [2021-10-28 23:58:28,505 INFO L857 garLoopResultBuilder]: For program point L98(line 98) no Hoare annotation was computed. [2021-10-28 23:58:28,505 INFO L857 garLoopResultBuilder]: For program point L32(lines 32 52) no Hoare annotation was computed. [2021-10-28 23:58:28,506 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-28 23:58:28,506 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 98) no Hoare annotation was computed. [2021-10-28 23:58:28,506 INFO L857 garLoopResultBuilder]: For program point L24-1(lines 24 29) no Hoare annotation was computed. [2021-10-28 23:58:28,506 INFO L853 garLoopResultBuilder]: At program point L24-2(lines 24 29) the Hoare annotation is: (and (= (_ +zero 11 53) ULTIMATE.start_main_~x~0) (= (_ +zero 11 53) ULTIMATE.start_ceil_double_~x) (= ((_ to_fp 11 53) currentRoundingMode 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0) ~huge_ceil~0) (= currentRoundingMode roundNearestTiesToEven)) [2021-10-28 23:58:28,507 INFO L857 garLoopResultBuilder]: For program point L24-3(lines 24 29) no Hoare annotation was computed. [2021-10-28 23:58:28,507 INFO L853 garLoopResultBuilder]: At program point L82(lines 21 83) the Hoare annotation is: (and (= (_ +zero 11 53) ULTIMATE.start_main_~x~0) (= (_ +zero 11 53) ULTIMATE.start_ceil_double_~x) (= ((_ to_fp 11 53) currentRoundingMode 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0) ~huge_ceil~0) (exists ((|v_skolemized_q#valueAsBitvector_3| (_ BitVec 64))) (and (= (bvand (_ bv2047 32) (bvashr ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_3|) (_ bv20 32))) (bvadd (_ bv1023 32) ULTIMATE.start_ceil_double_~j0~0)) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_3|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_3|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_3|)) (_ +zero 11 53)))) (= |ULTIMATE.start_ceil_double_#res| ULTIMATE.start_main_~x~0) (= currentRoundingMode roundNearestTiesToEven) (exists ((|v_skolemized_q#valueAsBitvector_5| (_ BitVec 64)) (|v_ULTIMATE.start_ceil_double_~#ew_u~0.base_13| (_ BitVec 32))) (let ((.cse0 (select |#memory_int| |v_ULTIMATE.start_ceil_double_~#ew_u~0.base_13|))) (and (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_5|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_5|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_5|)) ULTIMATE.start_main_~x~0) (= (select .cse0 (_ bv0 32)) ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_5|)) (= (select .cse0 (_ bv4 32)) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_5|))))) (= (bvor ULTIMATE.start_ceil_double_~i0~0 ULTIMATE.start_ceil_double_~i1~0) (_ bv0 32))) [2021-10-28 23:58:28,507 INFO L857 garLoopResultBuilder]: For program point L33(lines 33 41) no Hoare annotation was computed. [2021-10-28 23:58:28,507 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-28 23:58:28,507 INFO L857 garLoopResultBuilder]: For program point L34(lines 34 40) no Hoare annotation was computed. [2021-10-28 23:58:28,508 INFO L857 garLoopResultBuilder]: For program point L76(lines 76 81) no Hoare annotation was computed. [2021-10-28 23:58:28,508 INFO L857 garLoopResultBuilder]: For program point L76-1(lines 21 83) no Hoare annotation was computed. [2021-10-28 23:58:28,508 INFO L857 garLoopResultBuilder]: For program point L76-2(lines 76 81) no Hoare annotation was computed. [2021-10-28 23:58:28,508 INFO L860 garLoopResultBuilder]: At program point L101(lines 85 102) the Hoare annotation is: true [2021-10-28 23:58:28,508 INFO L857 garLoopResultBuilder]: For program point L68(lines 68 69) no Hoare annotation was computed. [2021-10-28 23:58:28,509 INFO L857 garLoopResultBuilder]: For program point L68-2(lines 68 69) no Hoare annotation was computed. [2021-10-28 23:58:28,512 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-10-28 23:58:28,514 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 23:58:28,526 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:58:28,530 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:58:28,541 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_3,QUANTIFIED] [2021-10-28 23:58:28,541 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_3,QUANTIFIED] [2021-10-28 23:58:28,541 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_3,QUANTIFIED] [2021-10-28 23:58:28,541 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_3,QUANTIFIED] [2021-10-28 23:58:28,542 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:58:28,542 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2021-10-28 23:58:28,542 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2021-10-28 23:58:28,543 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2021-10-28 23:58:28,543 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_13,QUANTIFIED] [2021-10-28 23:58:28,543 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2021-10-28 23:58:28,543 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_13,QUANTIFIED] [2021-10-28 23:58:28,544 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2021-10-28 23:58:28,545 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_3,QUANTIFIED] [2021-10-28 23:58:28,545 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_3,QUANTIFIED] [2021-10-28 23:58:28,546 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_3,QUANTIFIED] [2021-10-28 23:58:28,546 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_3,QUANTIFIED] [2021-10-28 23:58:28,558 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:58:28,559 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2021-10-28 23:58:28,559 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2021-10-28 23:58:28,559 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2021-10-28 23:58:28,559 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_13,QUANTIFIED] [2021-10-28 23:58:28,560 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2021-10-28 23:58:28,560 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_13,QUANTIFIED] [2021-10-28 23:58:28,560 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2021-10-28 23:58:28,562 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 11:58:28 BoogieIcfgContainer [2021-10-28 23:58:28,562 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 23:58:28,563 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 23:58:28,564 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 23:58:28,564 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 23:58:28,565 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:58:16" (3/4) ... [2021-10-28 23:58:28,568 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-28 23:58:28,585 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2021-10-28 23:58:28,585 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2021-10-28 23:58:28,585 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 23:58:28,586 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 23:58:28,620 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((~Pluszero~LONGDOUBLE() == x && ~Pluszero~LONGDOUBLE() == x) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0E300) == huge_ceil) && (\exists v_skolemized_q#valueAsBitvector_3 : bv64 :: ~bvand32(2047bv32, ~bvashr32(v_skolemized_q#valueAsBitvector_3[63:32], 20bv32)) == ~bvadd64(1023bv32, j0) && ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_3[63:63], v_skolemized_q#valueAsBitvector_3[62:52], v_skolemized_q#valueAsBitvector_3[51:0]) == ~Pluszero~LONGDOUBLE())) && \result == x) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists v_skolemized_q#valueAsBitvector_5 : bv64, v_ULTIMATE.start_ceil_double_~#ew_u~0.base_13 : bv32 :: (~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_5[63:63], v_skolemized_q#valueAsBitvector_5[62:52], v_skolemized_q#valueAsBitvector_5[51:0]) == x && unknown-#memory_int-unknown[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_13][0bv32] == v_skolemized_q#valueAsBitvector_5[31:0]) && unknown-#memory_int-unknown[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_13][4bv32] == v_skolemized_q#valueAsBitvector_5[63:32])) && ~bvor32(i0, i1) == 0bv32 [2021-10-28 23:58:28,661 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0947db2-dadd-4fa6-b538-0dd55afb63af/bin/uautomizer-GMMbpWq8iD/witness.graphml [2021-10-28 23:58:28,661 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 23:58:28,662 INFO L168 Benchmark]: Toolchain (without parser) took 15117.00 ms. Allocated memory was 73.4 MB in the beginning and 88.1 MB in the end (delta: 14.7 MB). Free memory was 38.0 MB in the beginning and 65.9 MB in the end (delta: -27.9 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:58:28,663 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 73.4 MB. Free memory was 54.6 MB in the beginning and 54.5 MB in the end (delta: 125.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:58:28,664 INFO L168 Benchmark]: CACSL2BoogieTranslator took 549.24 ms. Allocated memory is still 73.4 MB. Free memory was 37.8 MB in the beginning and 56.7 MB in the end (delta: -18.9 MB). Peak memory consumption was 7.8 MB. Max. memory is 16.1 GB. [2021-10-28 23:58:28,664 INFO L168 Benchmark]: Boogie Procedure Inliner took 78.22 ms. Allocated memory is still 73.4 MB. Free memory was 56.7 MB in the beginning and 55.0 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:58:28,665 INFO L168 Benchmark]: Boogie Preprocessor took 80.50 ms. Allocated memory is still 73.4 MB. Free memory was 54.9 MB in the beginning and 53.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:58:28,665 INFO L168 Benchmark]: RCFGBuilder took 1800.75 ms. Allocated memory is still 73.4 MB. Free memory was 53.2 MB in the beginning and 40.4 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-28 23:58:28,666 INFO L168 Benchmark]: TraceAbstraction took 12498.09 ms. Allocated memory was 73.4 MB in the beginning and 88.1 MB in the end (delta: 14.7 MB). Free memory was 39.9 MB in the beginning and 69.3 MB in the end (delta: -29.5 MB). Peak memory consumption was 30.9 MB. Max. memory is 16.1 GB. [2021-10-28 23:58:28,666 INFO L168 Benchmark]: Witness Printer took 98.12 ms. Allocated memory is still 88.1 MB. Free memory was 69.3 MB in the beginning and 65.9 MB in the end (delta: 3.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:58:28,670 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 73.4 MB. Free memory was 54.6 MB in the beginning and 54.5 MB in the end (delta: 125.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 549.24 ms. Allocated memory is still 73.4 MB. Free memory was 37.8 MB in the beginning and 56.7 MB in the end (delta: -18.9 MB). Peak memory consumption was 7.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 78.22 ms. Allocated memory is still 73.4 MB. Free memory was 56.7 MB in the beginning and 55.0 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 80.50 ms. Allocated memory is still 73.4 MB. Free memory was 54.9 MB in the beginning and 53.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1800.75 ms. Allocated memory is still 73.4 MB. Free memory was 53.2 MB in the beginning and 40.4 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 12498.09 ms. Allocated memory was 73.4 MB in the beginning and 88.1 MB in the end (delta: 14.7 MB). Free memory was 39.9 MB in the beginning and 69.3 MB in the end (delta: -29.5 MB). Peak memory consumption was 30.9 MB. Max. memory is 16.1 GB. * Witness Printer took 98.12 ms. Allocated memory is still 88.1 MB. Free memory was 69.3 MB in the beginning and 65.9 MB in the end (delta: 3.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,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: 98]: 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 1 procedures, 33 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 12.3s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 84 SDtfs, 145 SDslu, 51 SDs, 0 SdLazy, 81 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 132 GetRequests, 98 SyntacticMatches, 2 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 2.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=33occurred in iteration=0, InterpolantAutomatonStates: 24, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 7 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 6 NumberOfFragments, 87 HoareAnnotationTreeSize, 3 FomulaSimplifications, 60 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 6 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 7.9s InterpolantComputationTime, 67 NumberOfCodeBlocks, 67 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 124 ConstructedInterpolants, 29 QuantifiedInterpolants, 1286 SizeOfPredicates, 27 NumberOfNonLiveVariables, 243 ConjunctsInSsa, 35 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 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: 85]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 24]: Loop Invariant [2021-10-28 23:58:28,691 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:58:28,693 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((~Pluszero~LONGDOUBLE() == x && ~Pluszero~LONGDOUBLE() == x) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0E300) == huge_ceil) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 21]: Loop Invariant [2021-10-28 23:58:28,695 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_3,QUANTIFIED] [2021-10-28 23:58:28,698 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_3,QUANTIFIED] [2021-10-28 23:58:28,698 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_3,QUANTIFIED] [2021-10-28 23:58:28,698 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_3,QUANTIFIED] [2021-10-28 23:58:28,699 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:58:28,699 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2021-10-28 23:58:28,701 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2021-10-28 23:58:28,702 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2021-10-28 23:58:28,702 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_13,QUANTIFIED] [2021-10-28 23:58:28,702 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2021-10-28 23:58:28,702 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_13,QUANTIFIED] [2021-10-28 23:58:28,703 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2021-10-28 23:58:28,713 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_3,QUANTIFIED] [2021-10-28 23:58:28,714 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_3,QUANTIFIED] [2021-10-28 23:58:28,714 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_3,QUANTIFIED] [2021-10-28 23:58:28,714 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_3,QUANTIFIED] [2021-10-28 23:58:28,715 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:58:28,715 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2021-10-28 23:58:28,715 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2021-10-28 23:58:28,715 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2021-10-28 23:58:28,716 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_13,QUANTIFIED] [2021-10-28 23:58:28,719 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2021-10-28 23:58:28,719 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_13,QUANTIFIED] [2021-10-28 23:58:28,719 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] Derived loop invariant: ((((((~Pluszero~LONGDOUBLE() == x && ~Pluszero~LONGDOUBLE() == x) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0E300) == huge_ceil) && (\exists v_skolemized_q#valueAsBitvector_3 : bv64 :: ~bvand32(2047bv32, ~bvashr32(v_skolemized_q#valueAsBitvector_3[63:32], 20bv32)) == ~bvadd64(1023bv32, j0) && ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_3[63:63], v_skolemized_q#valueAsBitvector_3[62:52], v_skolemized_q#valueAsBitvector_3[51:0]) == ~Pluszero~LONGDOUBLE())) && \result == x) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists v_skolemized_q#valueAsBitvector_5 : bv64, v_ULTIMATE.start_ceil_double_~#ew_u~0.base_13 : bv32 :: (~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_5[63:63], v_skolemized_q#valueAsBitvector_5[62:52], v_skolemized_q#valueAsBitvector_5[51:0]) == x && unknown-#memory_int-unknown[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_13][0bv32] == v_skolemized_q#valueAsBitvector_5[31:0]) && unknown-#memory_int-unknown[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_13][4bv32] == v_skolemized_q#valueAsBitvector_5[63:32])) && ~bvor32(i0, i1) == 0bv32 RESULT: Ultimate proved your program to be correct! [2021-10-28 23:58:28,781 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0947db2-dadd-4fa6-b538-0dd55afb63af/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...