./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float-to-double2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f2dba80-9f2c-4b56-b1aa-939b5995f63a/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f2dba80-9f2c-4b56-b1aa-939b5995f63a/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f2dba80-9f2c-4b56-b1aa-939b5995f63a/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f2dba80-9f2c-4b56-b1aa-939b5995f63a/bin/uautomizer-j4sWxH34Be/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float-to-double2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f2dba80-9f2c-4b56-b1aa-939b5995f63a/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f2dba80-9f2c-4b56-b1aa-939b5995f63a/bin/uautomizer-j4sWxH34Be --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 bafd616607c3b26e5c116d6e80df383a1448d022ecfba32980ae94deeb4f2706 ........................................................................................................................................................................................................................................ 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_0f2dba80-9f2c-4b56-b1aa-939b5995f63a/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f2dba80-9f2c-4b56-b1aa-939b5995f63a/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f2dba80-9f2c-4b56-b1aa-939b5995f63a/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f2dba80-9f2c-4b56-b1aa-939b5995f63a/bin/uautomizer-j4sWxH34Be/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float-to-double2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f2dba80-9f2c-4b56-b1aa-939b5995f63a/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f2dba80-9f2c-4b56-b1aa-939b5995f63a/bin/uautomizer-j4sWxH34Be --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 bafd616607c3b26e5c116d6e80df383a1448d022ecfba32980ae94deeb4f2706 .................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-21 20:18:04,033 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 20:18:04,037 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 20:18:04,092 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 20:18:04,093 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 20:18:04,094 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 20:18:04,097 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 20:18:04,100 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 20:18:04,103 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 20:18:04,105 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 20:18:04,106 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 20:18:04,108 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 20:18:04,109 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 20:18:04,110 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 20:18:04,112 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 20:18:04,114 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 20:18:04,116 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 20:18:04,117 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 20:18:04,120 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 20:18:04,123 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 20:18:04,126 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 20:18:04,128 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 20:18:04,130 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 20:18:04,131 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 20:18:04,136 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 20:18:04,137 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 20:18:04,137 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 20:18:04,139 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 20:18:04,140 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 20:18:04,141 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 20:18:04,142 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 20:18:04,143 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 20:18:04,144 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 20:18:04,146 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 20:18:04,147 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 20:18:04,148 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 20:18:04,149 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 20:18:04,149 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 20:18:04,150 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 20:18:04,151 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 20:18:04,152 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 20:18:04,154 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f2dba80-9f2c-4b56-b1aa-939b5995f63a/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-21 20:18:04,183 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 20:18:04,184 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 20:18:04,185 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 20:18:04,185 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 20:18:04,187 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 20:18:04,187 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 20:18:04,187 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 20:18:04,188 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 20:18:04,189 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 20:18:04,189 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 20:18:04,189 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 20:18:04,192 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 20:18:04,192 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-21 20:18:04,193 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-21 20:18:04,193 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-21 20:18:04,194 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 20:18:04,195 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 20:18:04,195 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 20:18:04,196 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-21 20:18:04,197 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 20:18:04,197 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 20:18:04,197 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-21 20:18:04,197 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 20:18:04,198 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 20:18:04,198 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-21 20:18:04,199 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-21 20:18:04,199 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 20:18:04,199 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-21 20:18:04,200 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-21 20:18:04,202 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-21 20:18:04,202 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-21 20:18:04,202 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 20:18:04,203 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_0f2dba80-9f2c-4b56-b1aa-939b5995f63a/bin/uautomizer-j4sWxH34Be/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f2dba80-9f2c-4b56-b1aa-939b5995f63a/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bafd616607c3b26e5c116d6e80df383a1448d022ecfba32980ae94deeb4f2706 [2021-10-21 20:18:04,541 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 20:18:04,575 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 20:18:04,578 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 20:18:04,579 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 20:18:04,582 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 20:18:04,583 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f2dba80-9f2c-4b56-b1aa-939b5995f63a/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/floats-cbmc-regression/float-to-double2.c [2021-10-21 20:18:04,657 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f2dba80-9f2c-4b56-b1aa-939b5995f63a/bin/uautomizer-j4sWxH34Be/data/ac3d18a91/da4a90bca04a404db3a31b1c4816388c/FLAGf403e9e11 [2021-10-21 20:18:05,116 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 20:18:05,116 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f2dba80-9f2c-4b56-b1aa-939b5995f63a/sv-benchmarks/c/floats-cbmc-regression/float-to-double2.c [2021-10-21 20:18:05,132 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f2dba80-9f2c-4b56-b1aa-939b5995f63a/bin/uautomizer-j4sWxH34Be/data/ac3d18a91/da4a90bca04a404db3a31b1c4816388c/FLAGf403e9e11 [2021-10-21 20:18:05,516 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f2dba80-9f2c-4b56-b1aa-939b5995f63a/bin/uautomizer-j4sWxH34Be/data/ac3d18a91/da4a90bca04a404db3a31b1c4816388c [2021-10-21 20:18:05,519 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 20:18:05,521 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 20:18:05,534 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 20:18:05,534 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 20:18:05,538 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 20:18:05,539 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:18:05" (1/1) ... [2021-10-21 20:18:05,541 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b62a39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:18:05, skipping insertion in model container [2021-10-21 20:18:05,541 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:18:05" (1/1) ... [2021-10-21 20:18:05,551 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 20:18:05,565 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 20:18:05,760 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_0f2dba80-9f2c-4b56-b1aa-939b5995f63a/sv-benchmarks/c/floats-cbmc-regression/float-to-double2.c[380,393] [2021-10-21 20:18:05,765 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 20:18:05,791 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 20:18:05,815 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_0f2dba80-9f2c-4b56-b1aa-939b5995f63a/sv-benchmarks/c/floats-cbmc-regression/float-to-double2.c[380,393] [2021-10-21 20:18:05,816 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 20:18:05,833 INFO L208 MainTranslator]: Completed translation [2021-10-21 20:18:05,833 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:18:05 WrapperNode [2021-10-21 20:18:05,834 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 20:18:05,835 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 20:18:05,835 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 20:18:05,835 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 20:18:05,842 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:18:05" (1/1) ... [2021-10-21 20:18:05,849 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:18:05" (1/1) ... [2021-10-21 20:18:05,866 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 20:18:05,867 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 20:18:05,867 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 20:18:05,867 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 20:18:05,877 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:18:05" (1/1) ... [2021-10-21 20:18:05,877 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:18:05" (1/1) ... [2021-10-21 20:18:05,878 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:18:05" (1/1) ... [2021-10-21 20:18:05,878 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:18:05" (1/1) ... [2021-10-21 20:18:05,883 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:18:05" (1/1) ... [2021-10-21 20:18:05,885 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:18:05" (1/1) ... [2021-10-21 20:18:05,886 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:18:05" (1/1) ... [2021-10-21 20:18:05,888 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 20:18:05,889 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 20:18:05,889 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 20:18:05,889 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 20:18:05,892 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:18:05" (1/1) ... [2021-10-21 20:18:05,902 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 20:18:05,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f2dba80-9f2c-4b56-b1aa-939b5995f63a/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:18:05,925 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f2dba80-9f2c-4b56-b1aa-939b5995f63a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-21 20:18:05,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f2dba80-9f2c-4b56-b1aa-939b5995f63a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-21 20:18:05,969 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 20:18:05,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 20:18:05,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-21 20:18:05,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 20:18:06,165 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 20:18:06,165 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-10-21 20:18:06,167 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:18:06 BoogieIcfgContainer [2021-10-21 20:18:06,167 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 20:18:06,169 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-21 20:18:06,169 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-21 20:18:06,174 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-21 20:18:06,174 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.10 08:18:05" (1/3) ... [2021-10-21 20:18:06,175 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d5e141 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 08:18:06, skipping insertion in model container [2021-10-21 20:18:06,175 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:18:05" (2/3) ... [2021-10-21 20:18:06,176 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d5e141 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 08:18:06, skipping insertion in model container [2021-10-21 20:18:06,176 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:18:06" (3/3) ... [2021-10-21 20:18:06,177 INFO L111 eAbstractionObserver]: Analyzing ICFG float-to-double2.c [2021-10-21 20:18:06,184 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-21 20:18:06,184 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-21 20:18:06,243 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-21 20:18:06,251 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 [2021-10-21 20:18:06,251 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-21 20:18:06,268 INFO L276 IsEmpty]: Start isEmpty. Operand has 9 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 8 states have internal predecessors, (9), 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) [2021-10-21 20:18:06,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-21 20:18:06,273 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:18:06,274 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-10-21 20:18:06,274 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:18:06,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:18:06,281 INFO L82 PathProgramCache]: Analyzing trace with hash 925604, now seen corresponding path program 1 times [2021-10-21 20:18:06,292 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:18:06,293 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1859452662] [2021-10-21 20:18:06,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:18:06,294 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:18:06,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:18:06,388 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:18:06,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:18:06,432 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:18:06,434 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-21 20:18:06,435 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:18:06,438 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-21 20:18:06,446 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-21 20:18:06,465 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.10 08:18:06 BoogieIcfgContainer [2021-10-21 20:18:06,465 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-21 20:18:06,466 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 20:18:06,466 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 20:18:06,467 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 20:18:06,467 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:18:06" (3/4) ... [2021-10-21 20:18:06,471 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-21 20:18:06,471 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 20:18:06,479 INFO L168 Benchmark]: Toolchain (without parser) took 953.81 ms. Allocated memory is still 111.1 MB. Free memory was 72.4 MB in the beginning and 60.6 MB in the end (delta: 11.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 16.1 GB. [2021-10-21 20:18:06,480 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 111.1 MB. Free memory is still 88.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 20:18:06,483 INFO L168 Benchmark]: CACSL2BoogieTranslator took 300.23 ms. Allocated memory is still 111.1 MB. Free memory was 72.2 MB in the beginning and 84.8 MB in the end (delta: -12.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-21 20:18:06,484 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.01 ms. Allocated memory is still 111.1 MB. Free memory was 84.8 MB in the beginning and 83.5 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 20:18:06,487 INFO L168 Benchmark]: Boogie Preprocessor took 21.22 ms. Allocated memory is still 111.1 MB. Free memory was 83.5 MB in the beginning and 82.6 MB in the end (delta: 948.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 20:18:06,488 INFO L168 Benchmark]: RCFGBuilder took 278.44 ms. Allocated memory is still 111.1 MB. Free memory was 82.6 MB in the beginning and 73.7 MB in the end (delta: 8.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-21 20:18:06,490 INFO L168 Benchmark]: TraceAbstraction took 296.26 ms. Allocated memory is still 111.1 MB. Free memory was 73.2 MB in the beginning and 60.6 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-21 20:18:06,495 INFO L168 Benchmark]: Witness Printer took 5.05 ms. Allocated memory is still 111.1 MB. Free memory is still 60.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 20:18:06,502 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 111.1 MB. Free memory is still 88.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 300.23 ms. Allocated memory is still 111.1 MB. Free memory was 72.2 MB in the beginning and 84.8 MB in the end (delta: -12.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 31.01 ms. Allocated memory is still 111.1 MB. Free memory was 84.8 MB in the beginning and 83.5 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 21.22 ms. Allocated memory is still 111.1 MB. Free memory was 83.5 MB in the beginning and 82.6 MB in the end (delta: 948.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 278.44 ms. Allocated memory is still 111.1 MB. Free memory was 82.6 MB in the beginning and 73.7 MB in the end (delta: 8.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 296.26 ms. Allocated memory is still 111.1 MB. Free memory was 73.2 MB in the beginning and 60.6 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Witness Printer took 5.05 ms. Allocated memory is still 111.1 MB. Free memory is still 60.6 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, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 11]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 11, overapproximation of someUnaryDOUBLEoperation at line 8, overapproximation of someUnaryFLOAToperation at line 7. Possible FailurePath: [L7] float f = -0x1.0p-127f; [L8] double d = -0x1.0p-127; [L9] double fp = (double)f; [L11] COND TRUE !(d == fp) [L11] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 9 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 203.3ms, OverallIterations: 1, TraceHistogramMax: 1, EmptinessCheckTime: 9.7ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 11.8ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=9occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 6.2ms SsaConstructionTime, 32.0ms SatisfiabilityAnalysisTime, 0.0ms InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 [2021-10-21 20:18:06,569 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f2dba80-9f2c-4b56-b1aa-939b5995f63a/bin/uautomizer-j4sWxH34Be/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-e943c26 [2021-10-21 20:18:09,378 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 20:18:09,382 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 20:18:09,447 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 20:18:09,448 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 20:18:09,454 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 20:18:09,457 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 20:18:09,466 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 20:18:09,470 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 20:18:09,479 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 20:18:09,480 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 20:18:09,483 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 20:18:09,483 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 20:18:09,486 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 20:18:09,489 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 20:18:09,496 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 20:18:09,498 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 20:18:09,500 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 20:18:09,503 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 20:18:09,510 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 20:18:09,512 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 20:18:09,514 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 20:18:09,516 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 20:18:09,517 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 20:18:09,521 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 20:18:09,522 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 20:18:09,522 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 20:18:09,523 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 20:18:09,524 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 20:18:09,526 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 20:18:09,526 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 20:18:09,527 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 20:18:09,528 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 20:18:09,529 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 20:18:09,531 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 20:18:09,531 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 20:18:09,537 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 20:18:09,546 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 20:18:09,546 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 20:18:09,549 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 20:18:09,550 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 20:18:09,551 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f2dba80-9f2c-4b56-b1aa-939b5995f63a/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-10-21 20:18:09,604 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 20:18:09,605 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 20:18:09,606 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 20:18:09,606 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 20:18:09,608 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 20:18:09,609 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 20:18:09,609 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 20:18:09,609 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 20:18:09,609 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 20:18:09,610 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 20:18:09,611 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 20:18:09,611 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-21 20:18:09,611 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-21 20:18:09,612 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-21 20:18:09,612 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-21 20:18:09,612 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-21 20:18:09,612 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 20:18:09,613 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 20:18:09,613 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 20:18:09,613 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-21 20:18:09,614 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 20:18:09,614 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 20:18:09,614 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-21 20:18:09,614 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 20:18:09,615 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 20:18:09,615 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-21 20:18:09,615 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-21 20:18:09,615 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-21 20:18:09,616 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-21 20:18:09,616 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-21 20:18:09,616 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-21 20:18:09,616 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-21 20:18:09,617 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 20:18:09,617 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-21 20:18:09,617 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_0f2dba80-9f2c-4b56-b1aa-939b5995f63a/bin/uautomizer-j4sWxH34Be/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f2dba80-9f2c-4b56-b1aa-939b5995f63a/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bafd616607c3b26e5c116d6e80df383a1448d022ecfba32980ae94deeb4f2706 [2021-10-21 20:18:10,039 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 20:18:10,078 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 20:18:10,081 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 20:18:10,083 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 20:18:10,084 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 20:18:10,085 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f2dba80-9f2c-4b56-b1aa-939b5995f63a/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/floats-cbmc-regression/float-to-double2.c [2021-10-21 20:18:10,169 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f2dba80-9f2c-4b56-b1aa-939b5995f63a/bin/uautomizer-j4sWxH34Be/data/f4e319829/1ffc698e0b294ba79546742d16fb22e9/FLAG45beaca48 [2021-10-21 20:18:10,801 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 20:18:10,801 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f2dba80-9f2c-4b56-b1aa-939b5995f63a/sv-benchmarks/c/floats-cbmc-regression/float-to-double2.c [2021-10-21 20:18:10,809 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f2dba80-9f2c-4b56-b1aa-939b5995f63a/bin/uautomizer-j4sWxH34Be/data/f4e319829/1ffc698e0b294ba79546742d16fb22e9/FLAG45beaca48 [2021-10-21 20:18:11,173 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f2dba80-9f2c-4b56-b1aa-939b5995f63a/bin/uautomizer-j4sWxH34Be/data/f4e319829/1ffc698e0b294ba79546742d16fb22e9 [2021-10-21 20:18:11,178 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 20:18:11,180 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 20:18:11,183 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 20:18:11,183 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 20:18:11,188 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 20:18:11,190 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:18:11" (1/1) ... [2021-10-21 20:18:11,191 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@266996ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:18:11, skipping insertion in model container [2021-10-21 20:18:11,191 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:18:11" (1/1) ... [2021-10-21 20:18:11,200 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 20:18:11,216 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 20:18:11,457 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_0f2dba80-9f2c-4b56-b1aa-939b5995f63a/sv-benchmarks/c/floats-cbmc-regression/float-to-double2.c[380,393] [2021-10-21 20:18:11,468 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 20:18:11,489 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 20:18:11,544 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_0f2dba80-9f2c-4b56-b1aa-939b5995f63a/sv-benchmarks/c/floats-cbmc-regression/float-to-double2.c[380,393] [2021-10-21 20:18:11,545 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 20:18:11,565 INFO L208 MainTranslator]: Completed translation [2021-10-21 20:18:11,566 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:18:11 WrapperNode [2021-10-21 20:18:11,566 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 20:18:11,570 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 20:18:11,570 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 20:18:11,570 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 20:18:11,606 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:18:11" (1/1) ... [2021-10-21 20:18:11,640 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:18:11" (1/1) ... [2021-10-21 20:18:11,662 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 20:18:11,663 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 20:18:11,663 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 20:18:11,663 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 20:18:11,673 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:18:11" (1/1) ... [2021-10-21 20:18:11,674 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:18:11" (1/1) ... [2021-10-21 20:18:11,692 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:18:11" (1/1) ... [2021-10-21 20:18:11,692 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:18:11" (1/1) ... [2021-10-21 20:18:11,700 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:18:11" (1/1) ... [2021-10-21 20:18:11,702 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:18:11" (1/1) ... [2021-10-21 20:18:11,704 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:18:11" (1/1) ... [2021-10-21 20:18:11,710 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 20:18:11,712 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 20:18:11,713 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 20:18:11,714 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 20:18:11,715 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:18:11" (1/1) ... [2021-10-21 20:18:11,724 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 20:18:11,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f2dba80-9f2c-4b56-b1aa-939b5995f63a/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:18:11,752 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f2dba80-9f2c-4b56-b1aa-939b5995f63a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-21 20:18:11,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f2dba80-9f2c-4b56-b1aa-939b5995f63a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-21 20:18:11,820 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 20:18:11,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 20:18:11,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-21 20:18:11,821 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 20:18:12,137 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 20:18:12,138 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-10-21 20:18:12,140 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:18:12 BoogieIcfgContainer [2021-10-21 20:18:12,140 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 20:18:12,142 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-21 20:18:12,143 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-21 20:18:12,146 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-21 20:18:12,162 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.10 08:18:11" (1/3) ... [2021-10-21 20:18:12,163 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7057a97f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 08:18:12, skipping insertion in model container [2021-10-21 20:18:12,163 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:18:11" (2/3) ... [2021-10-21 20:18:12,164 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7057a97f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 08:18:12, skipping insertion in model container [2021-10-21 20:18:12,164 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:18:12" (3/3) ... [2021-10-21 20:18:12,166 INFO L111 eAbstractionObserver]: Analyzing ICFG float-to-double2.c [2021-10-21 20:18:12,172 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-21 20:18:12,173 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-21 20:18:12,258 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-21 20:18:12,267 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 [2021-10-21 20:18:12,267 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-21 20:18:12,283 INFO L276 IsEmpty]: Start isEmpty. Operand has 9 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 8 states have internal predecessors, (9), 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) [2021-10-21 20:18:12,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-21 20:18:12,289 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:18:12,290 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-10-21 20:18:12,291 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:18:12,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:18:12,297 INFO L82 PathProgramCache]: Analyzing trace with hash 925604, now seen corresponding path program 1 times [2021-10-21 20:18:12,311 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-21 20:18:12,322 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [504427054] [2021-10-21 20:18:12,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:18:12,324 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-21 20:18:12,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f2dba80-9f2c-4b56-b1aa-939b5995f63a/bin/uautomizer-j4sWxH34Be/mathsat [2021-10-21 20:18:12,342 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f2dba80-9f2c-4b56-b1aa-939b5995f63a/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-21 20:18:12,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f2dba80-9f2c-4b56-b1aa-939b5995f63a/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-21 20:18:12,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:18:12,470 INFO L263 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-21 20:18:12,474 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:18:12,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:18:12,609 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-21 20:18:12,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:18:12,653 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-21 20:18:12,654 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [504427054] [2021-10-21 20:18:12,655 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [504427054] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-21 20:18:12,655 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:18:12,655 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-21 20:18:12,657 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [49998505] [2021-10-21 20:18:12,663 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-21 20:18:12,664 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-21 20:18:12,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-21 20:18:12,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-21 20:18:12,683 INFO L87 Difference]: Start difference. First operand has 9 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 8 states have internal predecessors, (9), 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 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 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) [2021-10-21 20:18:12,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:18:12,706 INFO L93 Difference]: Finished difference Result 13 states and 12 transitions. [2021-10-21 20:18:12,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:18:12,708 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 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 4 [2021-10-21 20:18:12,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:18:12,713 INFO L225 Difference]: With dead ends: 13 [2021-10-21 20:18:12,714 INFO L226 Difference]: Without dead ends: 0 [2021-10-21 20:18:12,716 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 35.1ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-21 20:18:12,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-21 20:18:12,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-21 20:18:12,740 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) [2021-10-21 20:18:12,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-21 20:18:12,742 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 4 [2021-10-21 20:18:12,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:18:12,743 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 20:18:12,743 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 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) [2021-10-21 20:18:12,743 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-21 20:18:12,743 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-21 20:18:12,746 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:18:12,770 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f2dba80-9f2c-4b56-b1aa-939b5995f63a/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-21 20:18:12,962 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f2dba80-9f2c-4b56-b1aa-939b5995f63a/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 [2021-10-21 20:18:12,964 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-21 20:18:12,967 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:18:13,013 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-21 20:18:13,013 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-21 20:18:13,013 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-21 20:18:13,013 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-21 20:18:13,014 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 11) no Hoare annotation was computed. [2021-10-21 20:18:13,014 INFO L853 garLoopResultBuilder]: At program point L13(lines 5 14) the Hoare annotation is: (exists ((currentRoundingMode RoundingMode)) (and (= ULTIMATE.start_main_~d~0 (fp.neg ((_ to_fp 11 53) currentRoundingMode (/ 1.0 170141183460469231731687303715884105728.0)))) (= ULTIMATE.start_main_~fp~0 ((_ to_fp 11 53) currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode (/ 1.0 170141183460469231731687303715884105728.0))))))) [2021-10-21 20:18:13,015 INFO L857 garLoopResultBuilder]: For program point L11(line 11) no Hoare annotation was computed. [2021-10-21 20:18:13,015 INFO L857 garLoopResultBuilder]: For program point L11-1(line 11) no Hoare annotation was computed. [2021-10-21 20:18:13,015 INFO L857 garLoopResultBuilder]: For program point L11-3(line 11) no Hoare annotation was computed. [2021-10-21 20:18:13,021 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-21 20:18:13,028 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-21 20:18:13,029 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-21 20:18:13,029 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-21 20:18:13,036 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-21 20:18:13,036 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-21 20:18:13,036 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-21 20:18:13,038 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.10 08:18:13 BoogieIcfgContainer [2021-10-21 20:18:13,038 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-21 20:18:13,039 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 20:18:13,039 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 20:18:13,040 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 20:18:13,040 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:18:12" (3/4) ... [2021-10-21 20:18:13,044 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-21 20:18:13,055 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2021-10-21 20:18:13,056 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-21 20:18:13,056 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-21 20:18:13,056 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-21 20:18:13,085 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists currentRoundingMode : FloatRoundingMode :: d == ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1/170141183460469231731687303715884105728)) && fp == ~to_fp~LONGDOUBLE(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1/170141183460469231731687303715884105728)))) [2021-10-21 20:18:13,092 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f2dba80-9f2c-4b56-b1aa-939b5995f63a/bin/uautomizer-j4sWxH34Be/witness.graphml [2021-10-21 20:18:13,093 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 20:18:13,095 INFO L168 Benchmark]: Toolchain (without parser) took 1913.55 ms. Allocated memory was 56.6 MB in the beginning and 75.5 MB in the end (delta: 18.9 MB). Free memory was 35.2 MB in the beginning and 43.5 MB in the end (delta: -8.3 MB). Peak memory consumption was 10.9 MB. Max. memory is 16.1 GB. [2021-10-21 20:18:13,096 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 56.6 MB. Free memory is still 37.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 20:18:13,097 INFO L168 Benchmark]: CACSL2BoogieTranslator took 383.91 ms. Allocated memory is still 56.6 MB. Free memory was 35.0 MB in the beginning and 40.5 MB in the end (delta: -5.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-21 20:18:13,097 INFO L168 Benchmark]: Boogie Procedure Inliner took 92.14 ms. Allocated memory was 56.6 MB in the beginning and 75.5 MB in the end (delta: 18.9 MB). Free memory was 40.5 MB in the beginning and 59.1 MB in the end (delta: -18.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 20:18:13,098 INFO L168 Benchmark]: Boogie Preprocessor took 47.43 ms. Allocated memory is still 75.5 MB. Free memory was 59.1 MB in the beginning and 58.2 MB in the end (delta: 923.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 20:18:13,099 INFO L168 Benchmark]: RCFGBuilder took 428.17 ms. Allocated memory is still 75.5 MB. Free memory was 57.9 MB in the beginning and 49.1 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-21 20:18:13,099 INFO L168 Benchmark]: TraceAbstraction took 895.92 ms. Allocated memory is still 75.5 MB. Free memory was 48.7 MB in the beginning and 45.6 MB in the end (delta: 3.0 MB). Peak memory consumption was 5.8 MB. Max. memory is 16.1 GB. [2021-10-21 20:18:13,100 INFO L168 Benchmark]: Witness Printer took 53.62 ms. Allocated memory is still 75.5 MB. Free memory was 45.6 MB in the beginning and 43.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 20:18:13,104 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 56.6 MB. Free memory is still 37.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 383.91 ms. Allocated memory is still 56.6 MB. Free memory was 35.0 MB in the beginning and 40.5 MB in the end (delta: -5.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 92.14 ms. Allocated memory was 56.6 MB in the beginning and 75.5 MB in the end (delta: 18.9 MB). Free memory was 40.5 MB in the beginning and 59.1 MB in the end (delta: -18.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 47.43 ms. Allocated memory is still 75.5 MB. Free memory was 59.1 MB in the beginning and 58.2 MB in the end (delta: 923.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 428.17 ms. Allocated memory is still 75.5 MB. Free memory was 57.9 MB in the beginning and 49.1 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 895.92 ms. Allocated memory is still 75.5 MB. Free memory was 48.7 MB in the beginning and 45.6 MB in the end (delta: 3.0 MB). Peak memory consumption was 5.8 MB. Max. memory is 16.1 GB. * Witness Printer took 53.62 ms. Allocated memory is still 75.5 MB. Free memory was 45.6 MB in the beginning and 43.5 MB in the end (delta: 2.1 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 Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 11]: 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, 9 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 764.3ms, OverallIterations: 1, TraceHistogramMax: 1, EmptinessCheckTime: 10.6ms, AutomataDifference: 52.2ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 49.8ms, InitialAbstractionConstructionTime: 11.1ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 5 SDtfs, 8 SDslu, 1 SDs, 0 SdLazy, 1 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.9ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 35.1ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=9occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 10.8ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 2 NumberOfFragments, 16 HoareAnnotationTreeSize, 1 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 35.4ms HoareSimplificationTime, 1 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 8.2ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 36.5ms SsaConstructionTime, 34.0ms SatisfiabilityAnalysisTime, 184.2ms InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 6 ConstructedInterpolants, 1 QuantifiedInterpolants, 23 SizeOfPredicates, 5 NumberOfNonLiveVariables, 27 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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: 5]: Loop Invariant [2021-10-21 20:18:13,117 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-21 20:18:13,117 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-21 20:18:13,117 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-21 20:18:13,118 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-21 20:18:13,118 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-21 20:18:13,118 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] Derived loop invariant: (\exists currentRoundingMode : FloatRoundingMode :: d == ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1/170141183460469231731687303715884105728)) && fp == ~to_fp~LONGDOUBLE(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1/170141183460469231731687303715884105728)))) RESULT: Ultimate proved your program to be correct! [2021-10-21 20:18:13,176 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f2dba80-9f2c-4b56-b1aa-939b5995f63a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...