./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/gcd_1+newton_1_1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7e70badd Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a6ab5e-70c8-4ef2-9cfb-52b4f06e5175/bin/uautomizer-wIGwrQj20G/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a6ab5e-70c8-4ef2-9cfb-52b4f06e5175/bin/uautomizer-wIGwrQj20G/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a6ab5e-70c8-4ef2-9cfb-52b4f06e5175/bin/uautomizer-wIGwrQj20G/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a6ab5e-70c8-4ef2-9cfb-52b4f06e5175/bin/uautomizer-wIGwrQj20G/config/AutomizerReach.xml -i ../../sv-benchmarks/c/combinations/gcd_1+newton_1_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a6ab5e-70c8-4ef2-9cfb-52b4f06e5175/bin/uautomizer-wIGwrQj20G/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a6ab5e-70c8-4ef2-9cfb-52b4f06e5175/bin/uautomizer-wIGwrQj20G --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 665d997b28418647b86f77ef5967346125d0a51a6d916a55f9e5ff0f24d5a61f --- Real Ultimate output --- This is Ultimate 0.2.1-dev-7e70bad [2021-11-23 13:05:44,156 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 13:05:44,160 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 13:05:44,219 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 13:05:44,220 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 13:05:44,222 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 13:05:44,224 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 13:05:44,227 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 13:05:44,230 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 13:05:44,231 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 13:05:44,233 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 13:05:44,234 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 13:05:44,235 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 13:05:44,245 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 13:05:44,249 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 13:05:44,252 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 13:05:44,255 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 13:05:44,256 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 13:05:44,262 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 13:05:44,275 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 13:05:44,278 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 13:05:44,280 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 13:05:44,284 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 13:05:44,286 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 13:05:44,294 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 13:05:44,295 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 13:05:44,295 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 13:05:44,297 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 13:05:44,298 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 13:05:44,299 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 13:05:44,300 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 13:05:44,301 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 13:05:44,302 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 13:05:44,303 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 13:05:44,305 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 13:05:44,305 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 13:05:44,306 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 13:05:44,307 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 13:05:44,307 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 13:05:44,309 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 13:05:44,310 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 13:05:44,311 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a6ab5e-70c8-4ef2-9cfb-52b4f06e5175/bin/uautomizer-wIGwrQj20G/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-23 13:05:44,339 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 13:05:44,340 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 13:05:44,340 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 13:05:44,341 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 13:05:44,342 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 13:05:44,343 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 13:05:44,343 INFO L138 SettingsManager]: * Use SBE=true [2021-11-23 13:05:44,343 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 13:05:44,343 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 13:05:44,344 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 13:05:44,344 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 13:05:44,344 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 13:05:44,345 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 13:05:44,345 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 13:05:44,345 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 13:05:44,345 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 13:05:44,346 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 13:05:44,346 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 13:05:44,346 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 13:05:44,347 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 13:05:44,347 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 13:05:44,347 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 13:05:44,347 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 13:05:44,348 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 13:05:44,348 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 13:05:44,348 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 13:05:44,349 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-23 13:05:44,349 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 13:05:44,349 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-23 13:05:44,349 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-23 13:05:44,350 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 13:05:44,350 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 13:05:44,350 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_51a6ab5e-70c8-4ef2-9cfb-52b4f06e5175/bin/uautomizer-wIGwrQj20G/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a6ab5e-70c8-4ef2-9cfb-52b4f06e5175/bin/uautomizer-wIGwrQj20G Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 665d997b28418647b86f77ef5967346125d0a51a6d916a55f9e5ff0f24d5a61f [2021-11-23 13:05:44,693 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 13:05:44,740 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 13:05:44,744 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 13:05:44,747 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 13:05:44,748 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 13:05:44,749 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a6ab5e-70c8-4ef2-9cfb-52b4f06e5175/bin/uautomizer-wIGwrQj20G/../../sv-benchmarks/c/combinations/gcd_1+newton_1_1.i [2021-11-23 13:05:44,868 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a6ab5e-70c8-4ef2-9cfb-52b4f06e5175/bin/uautomizer-wIGwrQj20G/data/859e7d8e2/25977e008d864c29886772a1695dbf33/FLAGda2ef3bae [2021-11-23 13:05:45,577 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 13:05:45,583 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a6ab5e-70c8-4ef2-9cfb-52b4f06e5175/sv-benchmarks/c/combinations/gcd_1+newton_1_1.i [2021-11-23 13:05:45,600 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a6ab5e-70c8-4ef2-9cfb-52b4f06e5175/bin/uautomizer-wIGwrQj20G/data/859e7d8e2/25977e008d864c29886772a1695dbf33/FLAGda2ef3bae [2021-11-23 13:05:45,909 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a6ab5e-70c8-4ef2-9cfb-52b4f06e5175/bin/uautomizer-wIGwrQj20G/data/859e7d8e2/25977e008d864c29886772a1695dbf33 [2021-11-23 13:05:45,913 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 13:05:45,917 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 13:05:45,920 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 13:05:45,921 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 13:05:45,926 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 13:05:45,927 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:05:45" (1/1) ... [2021-11-23 13:05:45,928 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a640329 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:05:45, skipping insertion in model container [2021-11-23 13:05:45,929 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:05:45" (1/1) ... [2021-11-23 13:05:45,938 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 13:05:45,962 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 13:05:46,189 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_51a6ab5e-70c8-4ef2-9cfb-52b4f06e5175/sv-benchmarks/c/combinations/gcd_1+newton_1_1.i[1226,1239] [2021-11-23 13:05:46,260 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_51a6ab5e-70c8-4ef2-9cfb-52b4f06e5175/sv-benchmarks/c/combinations/gcd_1+newton_1_1.i[2786,2799] [2021-11-23 13:05:46,271 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 13:05:46,294 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 13:05:46,322 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_51a6ab5e-70c8-4ef2-9cfb-52b4f06e5175/sv-benchmarks/c/combinations/gcd_1+newton_1_1.i[1226,1239] [2021-11-23 13:05:46,357 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_51a6ab5e-70c8-4ef2-9cfb-52b4f06e5175/sv-benchmarks/c/combinations/gcd_1+newton_1_1.i[2786,2799] [2021-11-23 13:05:46,364 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 13:05:46,391 INFO L208 MainTranslator]: Completed translation [2021-11-23 13:05:46,391 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:05:46 WrapperNode [2021-11-23 13:05:46,392 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 13:05:46,394 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 13:05:46,394 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 13:05:46,395 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 13:05:46,404 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:05:46" (1/1) ... [2021-11-23 13:05:46,427 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:05:46" (1/1) ... [2021-11-23 13:05:46,472 INFO L137 Inliner]: procedures = 27, calls = 14, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 78 [2021-11-23 13:05:46,473 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 13:05:46,474 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 13:05:46,474 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 13:05:46,475 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 13:05:46,486 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:05:46" (1/1) ... [2021-11-23 13:05:46,486 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:05:46" (1/1) ... [2021-11-23 13:05:46,492 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:05:46" (1/1) ... [2021-11-23 13:05:46,493 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:05:46" (1/1) ... [2021-11-23 13:05:46,512 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:05:46" (1/1) ... [2021-11-23 13:05:46,521 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:05:46" (1/1) ... [2021-11-23 13:05:46,529 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:05:46" (1/1) ... [2021-11-23 13:05:46,538 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 13:05:46,539 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 13:05:46,539 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 13:05:46,540 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 13:05:46,541 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:05:46" (1/1) ... [2021-11-23 13:05:46,552 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 13:05:46,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a6ab5e-70c8-4ef2-9cfb-52b4f06e5175/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:05:46,592 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a6ab5e-70c8-4ef2-9cfb-52b4f06e5175/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 13:05:46,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a6ab5e-70c8-4ef2-9cfb-52b4f06e5175/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 13:05:46,653 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 13:05:46,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 13:05:46,654 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 13:05:46,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 13:05:46,755 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 13:05:46,758 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 13:05:47,010 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 13:05:47,018 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 13:05:47,019 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 13:05:47,021 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:05:47 BoogieIcfgContainer [2021-11-23 13:05:47,022 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 13:05:47,024 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 13:05:47,024 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 13:05:47,029 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 13:05:47,029 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:05:45" (1/3) ... [2021-11-23 13:05:47,030 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b7913e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:05:47, skipping insertion in model container [2021-11-23 13:05:47,031 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:05:46" (2/3) ... [2021-11-23 13:05:47,031 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b7913e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:05:47, skipping insertion in model container [2021-11-23 13:05:47,031 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:05:47" (3/3) ... [2021-11-23 13:05:47,033 INFO L111 eAbstractionObserver]: Analyzing ICFG gcd_1+newton_1_1.i [2021-11-23 13:05:47,040 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 13:05:47,051 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-23 13:05:47,164 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 13:05:47,173 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 [2021-11-23 13:05:47,174 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-23 13:05:47,193 INFO L276 IsEmpty]: Start isEmpty. Operand has 27 states, 24 states have (on average 1.4583333333333333) internal successors, (35), 26 states have internal predecessors, (35), 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) [2021-11-23 13:05:47,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 13:05:47,202 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 13:05:47,203 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 13:05:47,217 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 13:05:47,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:05:47,225 INFO L85 PathProgramCache]: Analyzing trace with hash 447749113, now seen corresponding path program 1 times [2021-11-23 13:05:47,237 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:05:47,237 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1928605716] [2021-11-23 13:05:47,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:05:47,239 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:05:47,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:05:47,427 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 13:05:47,428 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 13:05:47,430 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1928605716] [2021-11-23 13:05:47,431 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1928605716] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 13:05:47,432 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 13:05:47,432 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 13:05:47,435 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569551800] [2021-11-23 13:05:47,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 13:05:47,442 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-23 13:05:47,443 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 13:05:47,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-23 13:05:47,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-23 13:05:47,495 INFO L87 Difference]: Start difference. First operand has 27 states, 24 states have (on average 1.4583333333333333) internal successors, (35), 26 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 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) [2021-11-23 13:05:47,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 13:05:47,512 INFO L93 Difference]: Finished difference Result 46 states and 55 transitions. [2021-11-23 13:05:47,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 13:05:47,515 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 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) Word has length 9 [2021-11-23 13:05:47,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 13:05:47,524 INFO L225 Difference]: With dead ends: 46 [2021-11-23 13:05:47,525 INFO L226 Difference]: Without dead ends: 19 [2021-11-23 13:05:47,529 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 [2021-11-23 13:05:47,534 INFO L933 BasicCegarLoop]: 31 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, 31 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 [2021-11-23 13:05:47,536 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 13:05:47,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2021-11-23 13:05:47,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2021-11-23 13:05:47,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 18 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 13:05:47,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 21 transitions. [2021-11-23 13:05:47,584 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 21 transitions. Word has length 9 [2021-11-23 13:05:47,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 13:05:47,585 INFO L470 AbstractCegarLoop]: Abstraction has 19 states and 21 transitions. [2021-11-23 13:05:47,586 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 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) [2021-11-23 13:05:47,586 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 21 transitions. [2021-11-23 13:05:47,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 13:05:47,587 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 13:05:47,587 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 13:05:47,588 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-23 13:05:47,589 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 13:05:47,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:05:47,590 INFO L85 PathProgramCache]: Analyzing trace with hash 505007415, now seen corresponding path program 1 times [2021-11-23 13:05:47,591 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:05:47,591 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869676343] [2021-11-23 13:05:47,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:05:47,592 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:05:47,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 13:05:47,610 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 13:05:47,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 13:05:47,650 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 13:05:47,651 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-23 13:05:47,653 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2021-11-23 13:05:47,656 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2021-11-23 13:05:47,657 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-23 13:05:47,663 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2021-11-23 13:05:47,667 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-23 13:05:47,711 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 01:05:47 BoogieIcfgContainer [2021-11-23 13:05:47,711 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-23 13:05:47,713 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 13:05:47,714 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 13:05:47,714 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 13:05:47,715 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:05:47" (3/4) ... [2021-11-23 13:05:47,720 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-23 13:05:47,720 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 13:05:47,724 INFO L158 Benchmark]: Toolchain (without parser) took 1806.60ms. Allocated memory is still 127.9MB. Free memory was 95.3MB in the beginning and 66.2MB in the end (delta: 29.1MB). Peak memory consumption was 26.3MB. Max. memory is 16.1GB. [2021-11-23 13:05:47,725 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 81.8MB. Free memory was 40.4MB in the beginning and 40.4MB in the end (delta: 44.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 13:05:47,729 INFO L158 Benchmark]: CACSL2BoogieTranslator took 472.36ms. Allocated memory is still 127.9MB. Free memory was 95.0MB in the beginning and 102.8MB in the end (delta: -7.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 13:05:47,731 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.41ms. Allocated memory is still 127.9MB. Free memory was 102.8MB in the beginning and 100.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 13:05:47,735 INFO L158 Benchmark]: Boogie Preprocessor took 63.94ms. Allocated memory is still 127.9MB. Free memory was 100.8MB in the beginning and 99.9MB in the end (delta: 974.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 13:05:47,736 INFO L158 Benchmark]: RCFGBuilder took 482.78ms. Allocated memory is still 127.9MB. Free memory was 99.9MB in the beginning and 89.2MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 13:05:47,736 INFO L158 Benchmark]: TraceAbstraction took 688.02ms. Allocated memory is still 127.9MB. Free memory was 88.7MB in the beginning and 66.3MB in the end (delta: 22.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2021-11-23 13:05:47,737 INFO L158 Benchmark]: Witness Printer took 7.65ms. Allocated memory is still 127.9MB. Free memory was 66.3MB in the beginning and 66.2MB in the end (delta: 170.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 13:05:47,746 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 81.8MB. Free memory was 40.4MB in the beginning and 40.4MB in the end (delta: 44.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 472.36ms. Allocated memory is still 127.9MB. Free memory was 95.0MB in the beginning and 102.8MB in the end (delta: -7.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.41ms. Allocated memory is still 127.9MB. Free memory was 102.8MB in the beginning and 100.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.94ms. Allocated memory is still 127.9MB. Free memory was 100.8MB in the beginning and 99.9MB in the end (delta: 974.7kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 482.78ms. Allocated memory is still 127.9MB. Free memory was 99.9MB in the beginning and 89.2MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 688.02ms. Allocated memory is still 127.9MB. Free memory was 88.7MB in the beginning and 66.3MB in the end (delta: 22.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Witness Printer took 7.65ms. Allocated memory is still 127.9MB. Free memory was 66.3MB in the beginning and 66.2MB in the end (delta: 170.6kB). 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: 102]: 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 91, overapproximation of someBinaryDOUBLEComparisonOperation at line 101, overapproximation of someBinaryArithmeticFLOAToperation at line 93. Possible FailurePath: [L108] COND FALSE !(__VERIFIER_nondet_int()) [L111] CALL main2() [L90] float IN = __VERIFIER_nondet_float(); [L91] CALL assume_abort_if_not(IN > -0.2f && IN < 0.2f) [L75] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L91] RET assume_abort_if_not(IN > -0.2f && IN < 0.2f) [L93] CALL, EXPR f(IN) [L80] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; VAL [\old(x)=49, x=49] [L93] RET, EXPR f(IN) [L93] CALL, EXPR fp(IN) [L85] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; VAL [\old(x)=49, x=49] [L93] RET, EXPR fp(IN) [L93] float x = IN - f(IN)/fp(IN); [L101] COND TRUE !(x < 0.1) VAL [IN=49] [L102] reach_error() VAL [IN=49] - UnprovableResult [Line: 27]: 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 1 procedures, 27 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, 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, 31 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, 31 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=27occurred 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, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 8 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 [2021-11-23 13:05:47,825 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a6ab5e-70c8-4ef2-9cfb-52b4f06e5175/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a6ab5e-70c8-4ef2-9cfb-52b4f06e5175/bin/uautomizer-wIGwrQj20G/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a6ab5e-70c8-4ef2-9cfb-52b4f06e5175/bin/uautomizer-wIGwrQj20G/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a6ab5e-70c8-4ef2-9cfb-52b4f06e5175/bin/uautomizer-wIGwrQj20G/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a6ab5e-70c8-4ef2-9cfb-52b4f06e5175/bin/uautomizer-wIGwrQj20G/config/AutomizerReach.xml -i ../../sv-benchmarks/c/combinations/gcd_1+newton_1_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a6ab5e-70c8-4ef2-9cfb-52b4f06e5175/bin/uautomizer-wIGwrQj20G/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a6ab5e-70c8-4ef2-9cfb-52b4f06e5175/bin/uautomizer-wIGwrQj20G --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 665d997b28418647b86f77ef5967346125d0a51a6d916a55f9e5ff0f24d5a61f --- Real Ultimate output --- This is Ultimate 0.2.1-dev-7e70bad [2021-11-23 13:05:50,905 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 13:05:50,910 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 13:05:50,975 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 13:05:50,976 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 13:05:50,985 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 13:05:50,987 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 13:05:50,993 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 13:05:50,999 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 13:05:51,003 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 13:05:51,005 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 13:05:51,009 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 13:05:51,010 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 13:05:51,019 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 13:05:51,022 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 13:05:51,024 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 13:05:51,027 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 13:05:51,029 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 13:05:51,036 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 13:05:51,042 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 13:05:51,049 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 13:05:51,051 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 13:05:51,055 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 13:05:51,058 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 13:05:51,065 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 13:05:51,069 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 13:05:51,069 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 13:05:51,072 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 13:05:51,073 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 13:05:51,074 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 13:05:51,075 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 13:05:51,076 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 13:05:51,079 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 13:05:51,080 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 13:05:51,082 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 13:05:51,082 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 13:05:51,084 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 13:05:51,084 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 13:05:51,085 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 13:05:51,087 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 13:05:51,088 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 13:05:51,089 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a6ab5e-70c8-4ef2-9cfb-52b4f06e5175/bin/uautomizer-wIGwrQj20G/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-11-23 13:05:51,147 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 13:05:51,148 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 13:05:51,149 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 13:05:51,149 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 13:05:51,151 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 13:05:51,152 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 13:05:51,152 INFO L138 SettingsManager]: * Use SBE=true [2021-11-23 13:05:51,153 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 13:05:51,153 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 13:05:51,153 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 13:05:51,155 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 13:05:51,155 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 13:05:51,155 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 13:05:51,156 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 13:05:51,156 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 13:05:51,156 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 13:05:51,156 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 13:05:51,157 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 13:05:51,157 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 13:05:51,157 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 13:05:51,158 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 13:05:51,158 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 13:05:51,158 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 13:05:51,159 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 13:05:51,159 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 13:05:51,159 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 13:05:51,159 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 13:05:51,160 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 13:05:51,160 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-11-23 13:05:51,160 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 13:05:51,161 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-23 13:05:51,161 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-23 13:05:51,161 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 13:05:51,162 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 13:05:51,162 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 13:05:51,162 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_51a6ab5e-70c8-4ef2-9cfb-52b4f06e5175/bin/uautomizer-wIGwrQj20G/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a6ab5e-70c8-4ef2-9cfb-52b4f06e5175/bin/uautomizer-wIGwrQj20G Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 665d997b28418647b86f77ef5967346125d0a51a6d916a55f9e5ff0f24d5a61f [2021-11-23 13:05:51,684 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 13:05:51,730 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 13:05:51,736 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 13:05:51,738 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 13:05:51,739 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 13:05:51,742 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a6ab5e-70c8-4ef2-9cfb-52b4f06e5175/bin/uautomizer-wIGwrQj20G/../../sv-benchmarks/c/combinations/gcd_1+newton_1_1.i [2021-11-23 13:05:51,834 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a6ab5e-70c8-4ef2-9cfb-52b4f06e5175/bin/uautomizer-wIGwrQj20G/data/04cfcd3f4/f8b72aa446c844bfb19b3fd87db38ef1/FLAG7135bf051 [2021-11-23 13:05:52,499 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 13:05:52,501 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a6ab5e-70c8-4ef2-9cfb-52b4f06e5175/sv-benchmarks/c/combinations/gcd_1+newton_1_1.i [2021-11-23 13:05:52,516 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a6ab5e-70c8-4ef2-9cfb-52b4f06e5175/bin/uautomizer-wIGwrQj20G/data/04cfcd3f4/f8b72aa446c844bfb19b3fd87db38ef1/FLAG7135bf051 [2021-11-23 13:05:52,824 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a6ab5e-70c8-4ef2-9cfb-52b4f06e5175/bin/uautomizer-wIGwrQj20G/data/04cfcd3f4/f8b72aa446c844bfb19b3fd87db38ef1 [2021-11-23 13:05:52,827 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 13:05:52,829 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 13:05:52,831 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 13:05:52,831 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 13:05:52,836 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 13:05:52,838 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:05:52" (1/1) ... [2021-11-23 13:05:52,839 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3774bcbb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:05:52, skipping insertion in model container [2021-11-23 13:05:52,840 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:05:52" (1/1) ... [2021-11-23 13:05:52,850 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 13:05:52,873 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 13:05:53,081 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_51a6ab5e-70c8-4ef2-9cfb-52b4f06e5175/sv-benchmarks/c/combinations/gcd_1+newton_1_1.i[1226,1239] [2021-11-23 13:05:53,158 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_51a6ab5e-70c8-4ef2-9cfb-52b4f06e5175/sv-benchmarks/c/combinations/gcd_1+newton_1_1.i[2786,2799] [2021-11-23 13:05:53,167 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 13:05:53,190 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 13:05:53,256 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_51a6ab5e-70c8-4ef2-9cfb-52b4f06e5175/sv-benchmarks/c/combinations/gcd_1+newton_1_1.i[1226,1239] [2021-11-23 13:05:53,290 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_51a6ab5e-70c8-4ef2-9cfb-52b4f06e5175/sv-benchmarks/c/combinations/gcd_1+newton_1_1.i[2786,2799] [2021-11-23 13:05:53,302 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 13:05:53,328 INFO L208 MainTranslator]: Completed translation [2021-11-23 13:05:53,329 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:05:53 WrapperNode [2021-11-23 13:05:53,329 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 13:05:53,330 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 13:05:53,331 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 13:05:53,331 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 13:05:53,340 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:05:53" (1/1) ... [2021-11-23 13:05:53,354 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:05:53" (1/1) ... [2021-11-23 13:05:53,383 INFO L137 Inliner]: procedures = 28, calls = 14, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 73 [2021-11-23 13:05:53,383 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 13:05:53,384 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 13:05:53,385 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 13:05:53,385 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 13:05:53,396 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:05:53" (1/1) ... [2021-11-23 13:05:53,397 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:05:53" (1/1) ... [2021-11-23 13:05:53,408 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:05:53" (1/1) ... [2021-11-23 13:05:53,410 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:05:53" (1/1) ... [2021-11-23 13:05:53,430 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:05:53" (1/1) ... [2021-11-23 13:05:53,442 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:05:53" (1/1) ... [2021-11-23 13:05:53,444 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:05:53" (1/1) ... [2021-11-23 13:05:53,453 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 13:05:53,456 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 13:05:53,463 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 13:05:53,463 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 13:05:53,464 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:05:53" (1/1) ... [2021-11-23 13:05:53,474 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 13:05:53,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a6ab5e-70c8-4ef2-9cfb-52b4f06e5175/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:05:53,505 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a6ab5e-70c8-4ef2-9cfb-52b4f06e5175/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 13:05:53,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a6ab5e-70c8-4ef2-9cfb-52b4f06e5175/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 13:05:53,565 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 13:05:53,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 13:05:53,566 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 13:05:53,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 13:05:53,682 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 13:05:53,684 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 13:06:00,741 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 13:06:00,749 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 13:06:00,749 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 13:06:00,752 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:06:00 BoogieIcfgContainer [2021-11-23 13:06:00,752 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 13:06:00,754 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 13:06:00,755 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 13:06:00,759 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 13:06:00,759 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:05:52" (1/3) ... [2021-11-23 13:06:00,760 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38250900 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:06:00, skipping insertion in model container [2021-11-23 13:06:00,761 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:05:53" (2/3) ... [2021-11-23 13:06:00,763 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38250900 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:06:00, skipping insertion in model container [2021-11-23 13:06:00,764 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:06:00" (3/3) ... [2021-11-23 13:06:00,766 INFO L111 eAbstractionObserver]: Analyzing ICFG gcd_1+newton_1_1.i [2021-11-23 13:06:00,773 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 13:06:00,774 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-23 13:06:00,841 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 13:06:00,856 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 [2021-11-23 13:06:00,857 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-23 13:06:00,874 INFO L276 IsEmpty]: Start isEmpty. Operand has 27 states, 24 states have (on average 1.4583333333333333) internal successors, (35), 26 states have internal predecessors, (35), 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) [2021-11-23 13:06:00,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 13:06:00,889 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 13:06:00,890 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 13:06:00,891 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 13:06:00,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:06:00,898 INFO L85 PathProgramCache]: Analyzing trace with hash 447749113, now seen corresponding path program 1 times [2021-11-23 13:06:00,913 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-23 13:06:00,914 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2115659228] [2021-11-23 13:06:00,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:06:00,917 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 13:06:00,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a6ab5e-70c8-4ef2-9cfb-52b4f06e5175/bin/uautomizer-wIGwrQj20G/mathsat [2021-11-23 13:06:00,929 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a6ab5e-70c8-4ef2-9cfb-52b4f06e5175/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 13:06:00,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a6ab5e-70c8-4ef2-9cfb-52b4f06e5175/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-23 13:06:02,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:06:02,729 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-23 13:06:02,733 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 13:06:02,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 13:06:02,832 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 13:06:02,896 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 13:06:02,897 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-23 13:06:02,897 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2115659228] [2021-11-23 13:06:02,898 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2115659228] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-23 13:06:02,898 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-23 13:06:02,898 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-23 13:06:02,901 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157716843] [2021-11-23 13:06:02,902 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-23 13:06:02,907 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-23 13:06:02,908 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-23 13:06:02,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-23 13:06:02,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-23 13:06:02,947 INFO L87 Difference]: Start difference. First operand has 27 states, 24 states have (on average 1.4583333333333333) internal successors, (35), 26 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 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) [2021-11-23 13:06:02,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 13:06:02,967 INFO L93 Difference]: Finished difference Result 46 states and 55 transitions. [2021-11-23 13:06:02,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 13:06:02,970 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 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) Word has length 9 [2021-11-23 13:06:02,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 13:06:02,980 INFO L225 Difference]: With dead ends: 46 [2021-11-23 13:06:02,980 INFO L226 Difference]: Without dead ends: 19 [2021-11-23 13:06:02,984 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-23 13:06:02,989 INFO L933 BasicCegarLoop]: 31 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, 31 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 [2021-11-23 13:06:02,991 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 13:06:03,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2021-11-23 13:06:03,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2021-11-23 13:06:03,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 18 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 13:06:03,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 21 transitions. [2021-11-23 13:06:03,029 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 21 transitions. Word has length 9 [2021-11-23 13:06:03,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 13:06:03,030 INFO L470 AbstractCegarLoop]: Abstraction has 19 states and 21 transitions. [2021-11-23 13:06:03,030 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 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) [2021-11-23 13:06:03,031 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 21 transitions. [2021-11-23 13:06:03,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 13:06:03,032 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 13:06:03,032 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 13:06:03,064 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a6ab5e-70c8-4ef2-9cfb-52b4f06e5175/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-23 13:06:03,235 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a6ab5e-70c8-4ef2-9cfb-52b4f06e5175/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 [2021-11-23 13:06:03,236 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 13:06:03,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:06:03,237 INFO L85 PathProgramCache]: Analyzing trace with hash 505007415, now seen corresponding path program 1 times [2021-11-23 13:06:03,237 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-23 13:06:03,238 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [200454098] [2021-11-23 13:06:03,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:06:03,238 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 13:06:03,239 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a6ab5e-70c8-4ef2-9cfb-52b4f06e5175/bin/uautomizer-wIGwrQj20G/mathsat [2021-11-23 13:06:03,244 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a6ab5e-70c8-4ef2-9cfb-52b4f06e5175/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 13:06:03,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a6ab5e-70c8-4ef2-9cfb-52b4f06e5175/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process