./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/square_5+soft_float_2a.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc77ba91-77d4-471c-a445-f21796df8c59/bin/uautomizer-ZXIjhQolGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc77ba91-77d4-471c-a445-f21796df8c59/bin/uautomizer-ZXIjhQolGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc77ba91-77d4-471c-a445-f21796df8c59/bin/uautomizer-ZXIjhQolGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc77ba91-77d4-471c-a445-f21796df8c59/bin/uautomizer-ZXIjhQolGL/config/AutomizerReach.xml -i ../../sv-benchmarks/c/combinations/square_5+soft_float_2a.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc77ba91-77d4-471c-a445-f21796df8c59/bin/uautomizer-ZXIjhQolGL/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc77ba91-77d4-471c-a445-f21796df8c59/bin/uautomizer-ZXIjhQolGL --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 022d3c5901739211c5eb00a5826c62b3632d6c52c21250401c080cec1ded6145 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 05:37:21,042 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 05:37:21,044 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 05:37:21,121 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 05:37:21,122 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 05:37:21,127 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 05:37:21,129 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 05:37:21,134 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 05:37:21,137 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 05:37:21,144 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 05:37:21,146 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 05:37:21,148 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 05:37:21,149 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 05:37:21,153 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 05:37:21,156 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 05:37:21,166 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 05:37:21,168 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 05:37:21,170 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 05:37:21,173 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 05:37:21,183 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 05:37:21,185 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 05:37:21,187 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 05:37:21,191 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 05:37:21,192 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 05:37:21,203 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 05:37:21,204 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 05:37:21,205 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 05:37:21,207 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 05:37:21,208 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 05:37:21,210 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 05:37:21,210 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 05:37:21,212 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 05:37:21,214 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 05:37:21,216 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 05:37:21,218 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 05:37:21,218 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 05:37:21,219 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 05:37:21,220 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 05:37:21,220 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 05:37:21,221 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 05:37:21,222 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 05:37:21,223 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc77ba91-77d4-471c-a445-f21796df8c59/bin/uautomizer-ZXIjhQolGL/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-19 05:37:21,264 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 05:37:21,265 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 05:37:21,265 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-19 05:37:21,265 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-19 05:37:21,266 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 05:37:21,267 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 05:37:21,267 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-19 05:37:21,268 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-19 05:37:21,268 INFO L138 SettingsManager]: * Use SBE=true [2021-11-19 05:37:21,268 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 05:37:21,269 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-19 05:37:21,269 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 05:37:21,269 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-19 05:37:21,269 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 05:37:21,270 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 05:37:21,270 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 05:37:21,270 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 05:37:21,271 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-19 05:37:21,271 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 05:37:21,271 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 05:37:21,271 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 05:37:21,272 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 05:37:21,272 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 05:37:21,272 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 05:37:21,272 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 05:37:21,273 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 05:37:21,273 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 05:37:21,273 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 05:37:21,274 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-19 05:37:21,274 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 05:37:21,274 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-19 05:37:21,274 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-19 05:37:21,275 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 05:37:21,275 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 05:37:21,275 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_bc77ba91-77d4-471c-a445-f21796df8c59/bin/uautomizer-ZXIjhQolGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc77ba91-77d4-471c-a445-f21796df8c59/bin/uautomizer-ZXIjhQolGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 022d3c5901739211c5eb00a5826c62b3632d6c52c21250401c080cec1ded6145 [2021-11-19 05:37:21,566 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 05:37:21,593 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 05:37:21,598 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 05:37:21,600 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 05:37:21,601 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 05:37:21,604 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc77ba91-77d4-471c-a445-f21796df8c59/bin/uautomizer-ZXIjhQolGL/../../sv-benchmarks/c/combinations/square_5+soft_float_2a.c.cil.c [2021-11-19 05:37:21,689 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc77ba91-77d4-471c-a445-f21796df8c59/bin/uautomizer-ZXIjhQolGL/data/806b674c9/e376790bdc6b4f16af684d2f482e0760/FLAG918b0aad5 [2021-11-19 05:37:22,365 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 05:37:22,371 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc77ba91-77d4-471c-a445-f21796df8c59/sv-benchmarks/c/combinations/square_5+soft_float_2a.c.cil.c [2021-11-19 05:37:22,391 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc77ba91-77d4-471c-a445-f21796df8c59/bin/uautomizer-ZXIjhQolGL/data/806b674c9/e376790bdc6b4f16af684d2f482e0760/FLAG918b0aad5 [2021-11-19 05:37:22,694 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc77ba91-77d4-471c-a445-f21796df8c59/bin/uautomizer-ZXIjhQolGL/data/806b674c9/e376790bdc6b4f16af684d2f482e0760 [2021-11-19 05:37:22,697 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 05:37:22,699 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 05:37:22,700 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 05:37:22,701 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 05:37:22,705 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 05:37:22,706 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:37:22" (1/1) ... [2021-11-19 05:37:22,708 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@372dd39d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:37:22, skipping insertion in model container [2021-11-19 05:37:22,708 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:37:22" (1/1) ... [2021-11-19 05:37:22,717 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 05:37:22,756 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 05:37:22,990 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc77ba91-77d4-471c-a445-f21796df8c59/sv-benchmarks/c/combinations/square_5+soft_float_2a.c.cil.c[1998,2011] [2021-11-19 05:37:22,996 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc77ba91-77d4-471c-a445-f21796df8c59/sv-benchmarks/c/combinations/square_5+soft_float_2a.c.cil.c[2367,2380] [2021-11-19 05:37:23,043 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 05:37:23,054 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 05:37:23,075 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc77ba91-77d4-471c-a445-f21796df8c59/sv-benchmarks/c/combinations/square_5+soft_float_2a.c.cil.c[1998,2011] [2021-11-19 05:37:23,077 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc77ba91-77d4-471c-a445-f21796df8c59/sv-benchmarks/c/combinations/square_5+soft_float_2a.c.cil.c[2367,2380] [2021-11-19 05:37:23,116 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 05:37:23,134 INFO L208 MainTranslator]: Completed translation [2021-11-19 05:37:23,135 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:37:23 WrapperNode [2021-11-19 05:37:23,135 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 05:37:23,137 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 05:37:23,137 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 05:37:23,137 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 05:37:23,146 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:37:23" (1/1) ... [2021-11-19 05:37:23,170 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:37:23" (1/1) ... [2021-11-19 05:37:23,200 INFO L137 Inliner]: procedures = 27, calls = 17, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 133 [2021-11-19 05:37:23,200 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 05:37:23,201 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 05:37:23,202 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 05:37:23,202 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 05:37:23,213 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:37:23" (1/1) ... [2021-11-19 05:37:23,213 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:37:23" (1/1) ... [2021-11-19 05:37:23,216 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:37:23" (1/1) ... [2021-11-19 05:37:23,216 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:37:23" (1/1) ... [2021-11-19 05:37:23,226 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:37:23" (1/1) ... [2021-11-19 05:37:23,233 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:37:23" (1/1) ... [2021-11-19 05:37:23,235 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:37:23" (1/1) ... [2021-11-19 05:37:23,247 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 05:37:23,248 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 05:37:23,249 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 05:37:23,249 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 05:37:23,257 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:37:23" (1/1) ... [2021-11-19 05:37:23,271 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 05:37:23,282 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc77ba91-77d4-471c-a445-f21796df8c59/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:37:23,296 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc77ba91-77d4-471c-a445-f21796df8c59/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 05:37:23,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc77ba91-77d4-471c-a445-f21796df8c59/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 05:37:23,350 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 05:37:23,350 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2021-11-19 05:37:23,351 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2021-11-19 05:37:23,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-19 05:37:23,351 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 05:37:23,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 05:37:23,352 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-19 05:37:23,352 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-19 05:37:23,438 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 05:37:23,439 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 05:37:23,743 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 05:37:23,753 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 05:37:23,753 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-19 05:37:23,755 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:37:23 BoogieIcfgContainer [2021-11-19 05:37:23,756 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 05:37:23,758 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 05:37:23,758 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 05:37:23,762 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 05:37:23,763 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:37:22" (1/3) ... [2021-11-19 05:37:23,764 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fbdddc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:37:23, skipping insertion in model container [2021-11-19 05:37:23,764 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:37:23" (2/3) ... [2021-11-19 05:37:23,765 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fbdddc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:37:23, skipping insertion in model container [2021-11-19 05:37:23,765 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:37:23" (3/3) ... [2021-11-19 05:37:23,767 INFO L111 eAbstractionObserver]: Analyzing ICFG square_5+soft_float_2a.c.cil.c [2021-11-19 05:37:23,774 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 05:37:23,774 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-19 05:37:23,838 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-19 05:37:23,848 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-19 05:37:23,848 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-19 05:37:23,890 INFO L276 IsEmpty]: Start isEmpty. Operand has 61 states, 51 states have (on average 1.5490196078431373) internal successors, (79), 54 states have internal predecessors, (79), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2021-11-19 05:37:23,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-19 05:37:23,897 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:37:23,898 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:37:23,899 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:37:23,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:37:23,907 INFO L85 PathProgramCache]: Analyzing trace with hash -548115930, now seen corresponding path program 1 times [2021-11-19 05:37:23,920 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:37:23,920 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1529893189] [2021-11-19 05:37:23,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:37:23,922 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:37:24,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:37:24,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:37:24,100 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:37:24,101 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1529893189] [2021-11-19 05:37:24,102 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1529893189] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:37:24,102 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:37:24,103 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-19 05:37:24,105 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153791250] [2021-11-19 05:37:24,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:37:24,111 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-19 05:37:24,111 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:37:24,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-19 05:37:24,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-19 05:37:24,173 INFO L87 Difference]: Start difference. First operand has 61 states, 51 states have (on average 1.5490196078431373) internal successors, (79), 54 states have internal predecessors, (79), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:37:24,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:37:24,211 INFO L93 Difference]: Finished difference Result 117 states and 175 transitions. [2021-11-19 05:37:24,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:37:24,221 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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 7 [2021-11-19 05:37:24,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:37:24,232 INFO L225 Difference]: With dead ends: 117 [2021-11-19 05:37:24,232 INFO L226 Difference]: Without dead ends: 52 [2021-11-19 05:37:24,245 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-19 05:37:24,251 INFO L933 BasicCegarLoop]: 82 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 82 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-19 05:37:24,256 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 05:37:24,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2021-11-19 05:37:24,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2021-11-19 05:37:24,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 44 states have (on average 1.4090909090909092) internal successors, (62), 45 states have internal predecessors, (62), 5 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-11-19 05:37:24,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 71 transitions. [2021-11-19 05:37:24,319 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 71 transitions. Word has length 7 [2021-11-19 05:37:24,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:37:24,320 INFO L470 AbstractCegarLoop]: Abstraction has 52 states and 71 transitions. [2021-11-19 05:37:24,320 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:37:24,320 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 71 transitions. [2021-11-19 05:37:24,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-19 05:37:24,321 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:37:24,321 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:37:24,322 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-19 05:37:24,322 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:37:24,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:37:24,323 INFO L85 PathProgramCache]: Analyzing trace with hash -548056348, now seen corresponding path program 1 times [2021-11-19 05:37:24,324 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:37:24,324 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [281095628] [2021-11-19 05:37:24,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:37:24,325 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:37:24,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 05:37:24,354 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-19 05:37:24,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 05:37:24,387 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-19 05:37:24,387 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-19 05:37:24,389 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2021-11-19 05:37:24,392 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2021-11-19 05:37:24,392 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-19 05:37:24,397 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2021-11-19 05:37:24,401 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-19 05:37:24,458 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 05:37:24 BoogieIcfgContainer [2021-11-19 05:37:24,458 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-19 05:37:24,459 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-19 05:37:24,460 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-19 05:37:24,460 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-19 05:37:24,461 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:37:23" (3/4) ... [2021-11-19 05:37:24,465 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-19 05:37:24,465 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-19 05:37:24,467 INFO L158 Benchmark]: Toolchain (without parser) took 1767.92ms. Allocated memory was 96.5MB in the beginning and 134.2MB in the end (delta: 37.7MB). Free memory was 67.0MB in the beginning and 106.2MB in the end (delta: -39.2MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 05:37:24,468 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 96.5MB. Free memory is still 53.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 05:37:24,469 INFO L158 Benchmark]: CACSL2BoogieTranslator took 435.22ms. Allocated memory was 96.5MB in the beginning and 134.2MB in the end (delta: 37.7MB). Free memory was 66.8MB in the beginning and 106.6MB in the end (delta: -39.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-19 05:37:24,470 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.01ms. Allocated memory is still 134.2MB. Free memory was 106.6MB in the beginning and 105.0MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 05:37:24,470 INFO L158 Benchmark]: Boogie Preprocessor took 46.26ms. Allocated memory is still 134.2MB. Free memory was 104.5MB in the beginning and 103.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 05:37:24,471 INFO L158 Benchmark]: RCFGBuilder took 507.41ms. Allocated memory is still 134.2MB. Free memory was 103.5MB in the beginning and 89.9MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-19 05:37:24,472 INFO L158 Benchmark]: TraceAbstraction took 700.64ms. Allocated memory is still 134.2MB. Free memory was 89.3MB in the beginning and 106.2MB in the end (delta: -16.9MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 05:37:24,473 INFO L158 Benchmark]: Witness Printer took 6.32ms. Allocated memory is still 134.2MB. Free memory is still 106.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 05:37:24,477 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 96.5MB. Free memory is still 53.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 435.22ms. Allocated memory was 96.5MB in the beginning and 134.2MB in the end (delta: 37.7MB). Free memory was 66.8MB in the beginning and 106.6MB in the end (delta: -39.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.01ms. Allocated memory is still 134.2MB. Free memory was 106.6MB in the beginning and 105.0MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 46.26ms. Allocated memory is still 134.2MB. Free memory was 104.5MB in the beginning and 103.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 507.41ms. Allocated memory is still 134.2MB. Free memory was 103.5MB in the beginning and 89.9MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 700.64ms. Allocated memory is still 134.2MB. Free memory was 89.3MB in the beginning and 106.2MB in the end (delta: -16.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.32ms. Allocated memory is still 134.2MB. Free memory is still 106.2MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 48]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 47, overapproximation of someBinaryArithmeticFLOAToperation at line 45. Possible FailurePath: [L322] COND TRUE __VERIFIER_nondet_int() [L323] CALL main1() [L39] float IN = __VERIFIER_nondet_float(); [L40] CALL assume_abort_if_not(IN >= 0.0f && IN < 1.0f) [L34] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L40] RET assume_abort_if_not(IN >= 0.0f && IN < 1.0f) [L42] float x = IN; [L44-L45] float result = 1.0f + 0.5f*x - 0.125f*x*x + 0.0625f*x*x*x - 0.0390625f*x*x*x*x; VAL [IN=49, x=49] [L47] COND TRUE !(result >= 0.0f && result < 1.3985f) VAL [IN=49, x=49] [L48] reach_error() VAL [IN=49, x=49] - UnprovableResult [Line: 60]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 61 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 82 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 82 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=61occurred 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, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 14 NumberOfCodeBlocks, 14 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 6 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-11-19 05:37:24,538 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc77ba91-77d4-471c-a445-f21796df8c59/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc77ba91-77d4-471c-a445-f21796df8c59/bin/uautomizer-ZXIjhQolGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc77ba91-77d4-471c-a445-f21796df8c59/bin/uautomizer-ZXIjhQolGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc77ba91-77d4-471c-a445-f21796df8c59/bin/uautomizer-ZXIjhQolGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc77ba91-77d4-471c-a445-f21796df8c59/bin/uautomizer-ZXIjhQolGL/config/AutomizerReach.xml -i ../../sv-benchmarks/c/combinations/square_5+soft_float_2a.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc77ba91-77d4-471c-a445-f21796df8c59/bin/uautomizer-ZXIjhQolGL/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc77ba91-77d4-471c-a445-f21796df8c59/bin/uautomizer-ZXIjhQolGL --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 022d3c5901739211c5eb00a5826c62b3632d6c52c21250401c080cec1ded6145 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 05:37:27,441 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 05:37:27,444 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 05:37:27,493 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 05:37:27,494 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 05:37:27,496 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 05:37:27,498 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 05:37:27,501 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 05:37:27,503 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 05:37:27,505 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 05:37:27,506 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 05:37:27,508 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 05:37:27,509 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 05:37:27,510 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 05:37:27,512 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 05:37:27,514 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 05:37:27,515 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 05:37:27,517 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 05:37:27,519 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 05:37:27,522 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 05:37:27,525 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 05:37:27,526 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 05:37:27,528 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 05:37:27,529 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 05:37:27,534 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 05:37:27,534 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 05:37:27,535 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 05:37:27,536 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 05:37:27,537 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 05:37:27,538 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 05:37:27,539 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 05:37:27,540 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 05:37:27,541 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 05:37:27,543 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 05:37:27,544 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 05:37:27,545 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 05:37:27,546 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 05:37:27,546 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 05:37:27,547 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 05:37:27,548 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 05:37:27,549 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 05:37:27,551 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc77ba91-77d4-471c-a445-f21796df8c59/bin/uautomizer-ZXIjhQolGL/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-11-19 05:37:27,587 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 05:37:27,587 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 05:37:27,588 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-19 05:37:27,588 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-19 05:37:27,589 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 05:37:27,589 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 05:37:27,590 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-19 05:37:27,590 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-19 05:37:27,591 INFO L138 SettingsManager]: * Use SBE=true [2021-11-19 05:37:27,591 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 05:37:27,591 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-19 05:37:27,592 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-19 05:37:27,592 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 05:37:27,592 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 05:37:27,592 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 05:37:27,597 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 05:37:27,597 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-19 05:37:27,597 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-19 05:37:27,597 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-19 05:37:27,598 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 05:37:27,598 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 05:37:27,598 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 05:37:27,598 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 05:37:27,599 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 05:37:27,599 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 05:37:27,600 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 05:37:27,600 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 05:37:27,601 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 05:37:27,602 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 05:37:27,602 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-11-19 05:37:27,602 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-19 05:37:27,602 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-19 05:37:27,603 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-19 05:37:27,603 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 05:37:27,603 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 05:37:27,604 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 05:37:27,609 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_bc77ba91-77d4-471c-a445-f21796df8c59/bin/uautomizer-ZXIjhQolGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc77ba91-77d4-471c-a445-f21796df8c59/bin/uautomizer-ZXIjhQolGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 022d3c5901739211c5eb00a5826c62b3632d6c52c21250401c080cec1ded6145 [2021-11-19 05:37:28,099 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 05:37:28,132 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 05:37:28,135 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 05:37:28,137 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 05:37:28,138 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 05:37:28,140 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc77ba91-77d4-471c-a445-f21796df8c59/bin/uautomizer-ZXIjhQolGL/../../sv-benchmarks/c/combinations/square_5+soft_float_2a.c.cil.c [2021-11-19 05:37:28,231 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc77ba91-77d4-471c-a445-f21796df8c59/bin/uautomizer-ZXIjhQolGL/data/9a67177ce/e1ff57c0d4934e1e89464346264add11/FLAG7680f3473 [2021-11-19 05:37:28,962 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 05:37:28,962 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc77ba91-77d4-471c-a445-f21796df8c59/sv-benchmarks/c/combinations/square_5+soft_float_2a.c.cil.c [2021-11-19 05:37:28,973 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc77ba91-77d4-471c-a445-f21796df8c59/bin/uautomizer-ZXIjhQolGL/data/9a67177ce/e1ff57c0d4934e1e89464346264add11/FLAG7680f3473 [2021-11-19 05:37:29,304 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc77ba91-77d4-471c-a445-f21796df8c59/bin/uautomizer-ZXIjhQolGL/data/9a67177ce/e1ff57c0d4934e1e89464346264add11 [2021-11-19 05:37:29,307 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 05:37:29,308 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 05:37:29,311 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 05:37:29,311 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 05:37:29,318 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 05:37:29,319 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:37:29" (1/1) ... [2021-11-19 05:37:29,321 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ac5d2f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:37:29, skipping insertion in model container [2021-11-19 05:37:29,321 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:37:29" (1/1) ... [2021-11-19 05:37:29,330 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 05:37:29,363 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 05:37:29,550 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc77ba91-77d4-471c-a445-f21796df8c59/sv-benchmarks/c/combinations/square_5+soft_float_2a.c.cil.c[1998,2011] [2021-11-19 05:37:29,556 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc77ba91-77d4-471c-a445-f21796df8c59/sv-benchmarks/c/combinations/square_5+soft_float_2a.c.cil.c[2367,2380] [2021-11-19 05:37:29,618 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 05:37:29,656 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 05:37:29,711 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc77ba91-77d4-471c-a445-f21796df8c59/sv-benchmarks/c/combinations/square_5+soft_float_2a.c.cil.c[1998,2011] [2021-11-19 05:37:29,713 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc77ba91-77d4-471c-a445-f21796df8c59/sv-benchmarks/c/combinations/square_5+soft_float_2a.c.cil.c[2367,2380] [2021-11-19 05:37:29,771 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 05:37:29,793 INFO L208 MainTranslator]: Completed translation [2021-11-19 05:37:29,794 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:37:29 WrapperNode [2021-11-19 05:37:29,794 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 05:37:29,796 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 05:37:29,796 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 05:37:29,796 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 05:37:29,812 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:37:29" (1/1) ... [2021-11-19 05:37:29,828 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:37:29" (1/1) ... [2021-11-19 05:37:29,862 INFO L137 Inliner]: procedures = 28, calls = 17, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 129 [2021-11-19 05:37:29,862 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 05:37:29,863 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 05:37:29,864 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 05:37:29,864 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 05:37:29,875 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:37:29" (1/1) ... [2021-11-19 05:37:29,876 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:37:29" (1/1) ... [2021-11-19 05:37:29,883 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:37:29" (1/1) ... [2021-11-19 05:37:29,883 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:37:29" (1/1) ... [2021-11-19 05:37:29,896 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:37:29" (1/1) ... [2021-11-19 05:37:29,903 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:37:29" (1/1) ... [2021-11-19 05:37:29,906 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:37:29" (1/1) ... [2021-11-19 05:37:29,912 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 05:37:29,925 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 05:37:29,926 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 05:37:29,926 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 05:37:29,927 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:37:29" (1/1) ... [2021-11-19 05:37:29,936 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 05:37:29,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc77ba91-77d4-471c-a445-f21796df8c59/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:37:29,969 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc77ba91-77d4-471c-a445-f21796df8c59/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 05:37:29,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc77ba91-77d4-471c-a445-f21796df8c59/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 05:37:30,040 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 05:37:30,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-19 05:37:30,044 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2021-11-19 05:37:30,044 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2021-11-19 05:37:30,045 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 05:37:30,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 05:37:30,045 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-19 05:37:30,045 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-19 05:37:30,147 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 05:37:30,149 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 05:37:32,684 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 05:37:32,694 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 05:37:32,694 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-19 05:37:32,697 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:37:32 BoogieIcfgContainer [2021-11-19 05:37:32,697 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 05:37:32,700 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 05:37:32,700 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 05:37:32,704 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 05:37:32,704 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:37:29" (1/3) ... [2021-11-19 05:37:32,705 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60106f43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:37:32, skipping insertion in model container [2021-11-19 05:37:32,705 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:37:29" (2/3) ... [2021-11-19 05:37:32,706 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60106f43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:37:32, skipping insertion in model container [2021-11-19 05:37:32,706 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:37:32" (3/3) ... [2021-11-19 05:37:32,708 INFO L111 eAbstractionObserver]: Analyzing ICFG square_5+soft_float_2a.c.cil.c [2021-11-19 05:37:32,715 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 05:37:32,716 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-19 05:37:32,779 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-19 05:37:32,787 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-19 05:37:32,788 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-19 05:37:32,814 INFO L276 IsEmpty]: Start isEmpty. Operand has 61 states, 51 states have (on average 1.5490196078431373) internal successors, (79), 54 states have internal predecessors, (79), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2021-11-19 05:37:32,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-19 05:37:32,820 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:37:32,821 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:37:32,821 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:37:32,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:37:32,828 INFO L85 PathProgramCache]: Analyzing trace with hash -548115930, now seen corresponding path program 1 times [2021-11-19 05:37:32,842 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-19 05:37:32,842 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1752355197] [2021-11-19 05:37:32,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:37:32,846 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 05:37:32,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc77ba91-77d4-471c-a445-f21796df8c59/bin/uautomizer-ZXIjhQolGL/mathsat [2021-11-19 05:37:32,860 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc77ba91-77d4-471c-a445-f21796df8c59/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 05:37:32,885 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc77ba91-77d4-471c-a445-f21796df8c59/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-19 05:37:33,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:37:33,641 INFO L263 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-19 05:37:33,645 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:37:33,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:37:33,712 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 05:37:33,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:37:33,754 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-19 05:37:33,756 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1752355197] [2021-11-19 05:37:33,757 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1752355197] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 05:37:33,757 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:37:33,758 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-19 05:37:33,761 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643404995] [2021-11-19 05:37:33,762 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 05:37:33,768 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-19 05:37:33,769 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-19 05:37:33,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-19 05:37:33,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-19 05:37:33,815 INFO L87 Difference]: Start difference. First operand has 61 states, 51 states have (on average 1.5490196078431373) internal successors, (79), 54 states have internal predecessors, (79), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:37:33,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:37:33,864 INFO L93 Difference]: Finished difference Result 117 states and 175 transitions. [2021-11-19 05:37:33,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:37:33,875 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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 7 [2021-11-19 05:37:33,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:37:33,884 INFO L225 Difference]: With dead ends: 117 [2021-11-19 05:37:33,884 INFO L226 Difference]: Without dead ends: 52 [2021-11-19 05:37:33,888 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-19 05:37:33,892 INFO L933 BasicCegarLoop]: 82 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 82 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-19 05:37:33,894 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 05:37:33,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2021-11-19 05:37:33,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2021-11-19 05:37:33,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 44 states have (on average 1.4090909090909092) internal successors, (62), 45 states have internal predecessors, (62), 5 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-11-19 05:37:33,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 71 transitions. [2021-11-19 05:37:33,962 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 71 transitions. Word has length 7 [2021-11-19 05:37:33,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:37:33,963 INFO L470 AbstractCegarLoop]: Abstraction has 52 states and 71 transitions. [2021-11-19 05:37:33,963 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:37:33,964 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 71 transitions. [2021-11-19 05:37:33,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-19 05:37:33,965 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:37:33,966 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:37:33,997 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc77ba91-77d4-471c-a445-f21796df8c59/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-19 05:37:34,189 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc77ba91-77d4-471c-a445-f21796df8c59/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 [2021-11-19 05:37:34,190 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:37:34,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:37:34,191 INFO L85 PathProgramCache]: Analyzing trace with hash -548056348, now seen corresponding path program 1 times [2021-11-19 05:37:34,191 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-19 05:37:34,192 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [63101257] [2021-11-19 05:37:34,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:37:34,192 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 05:37:34,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc77ba91-77d4-471c-a445-f21796df8c59/bin/uautomizer-ZXIjhQolGL/mathsat [2021-11-19 05:37:34,196 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc77ba91-77d4-471c-a445-f21796df8c59/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 05:37:34,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc77ba91-77d4-471c-a445-f21796df8c59/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process