./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cdfpl/newton_2_2.i --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_990262e5-718d-4270-a6e0-97887982521c/bin/uautomizer-ZXIjhQolGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990262e5-718d-4270-a6e0-97887982521c/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_990262e5-718d-4270-a6e0-97887982521c/bin/uautomizer-ZXIjhQolGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990262e5-718d-4270-a6e0-97887982521c/bin/uautomizer-ZXIjhQolGL/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/newton_2_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990262e5-718d-4270-a6e0-97887982521c/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_990262e5-718d-4270-a6e0-97887982521c/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 ea6a8c5e704811f28f8e849441da11858e0e82f813a23a41c3470eda1c16b043 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 05:09:04,469 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 05:09:04,473 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 05:09:04,525 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 05:09:04,526 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 05:09:04,530 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 05:09:04,533 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 05:09:04,535 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 05:09:04,536 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 05:09:04,537 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 05:09:04,539 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 05:09:04,540 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 05:09:04,541 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 05:09:04,547 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 05:09:04,551 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 05:09:04,556 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 05:09:04,559 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 05:09:04,561 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 05:09:04,563 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 05:09:04,567 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 05:09:04,574 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 05:09:04,575 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 05:09:04,579 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 05:09:04,580 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 05:09:04,586 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 05:09:04,587 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 05:09:04,587 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 05:09:04,589 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 05:09:04,590 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 05:09:04,592 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 05:09:04,593 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 05:09:04,594 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 05:09:04,596 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 05:09:04,597 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 05:09:04,599 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 05:09:04,599 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 05:09:04,600 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 05:09:04,600 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 05:09:04,600 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 05:09:04,601 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 05:09:04,602 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 05:09:04,607 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990262e5-718d-4270-a6e0-97887982521c/bin/uautomizer-ZXIjhQolGL/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-19 05:09:04,653 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 05:09:04,657 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 05:09:04,657 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-19 05:09:04,658 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-19 05:09:04,659 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 05:09:04,659 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 05:09:04,660 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-19 05:09:04,660 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-19 05:09:04,660 INFO L138 SettingsManager]: * Use SBE=true [2021-11-19 05:09:04,660 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 05:09:04,662 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-19 05:09:04,662 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 05:09:04,662 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-19 05:09:04,663 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 05:09:04,663 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 05:09:04,663 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 05:09:04,663 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 05:09:04,663 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-19 05:09:04,664 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 05:09:04,664 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 05:09:04,664 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 05:09:04,665 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 05:09:04,665 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 05:09:04,665 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 05:09:04,665 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 05:09:04,666 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 05:09:04,666 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 05:09:04,666 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 05:09:04,666 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-19 05:09:04,668 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 05:09:04,669 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-19 05:09:04,669 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-19 05:09:04,669 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 05:09:04,670 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 05:09:04,670 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_990262e5-718d-4270-a6e0-97887982521c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990262e5-718d-4270-a6e0-97887982521c/bin/uautomizer-ZXIjhQolGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ea6a8c5e704811f28f8e849441da11858e0e82f813a23a41c3470eda1c16b043 [2021-11-19 05:09:04,941 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 05:09:04,964 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 05:09:04,966 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 05:09:04,968 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 05:09:04,968 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 05:09:04,970 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990262e5-718d-4270-a6e0-97887982521c/bin/uautomizer-ZXIjhQolGL/../../sv-benchmarks/c/floats-cdfpl/newton_2_2.i [2021-11-19 05:09:05,043 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990262e5-718d-4270-a6e0-97887982521c/bin/uautomizer-ZXIjhQolGL/data/cc8a2f5c9/0ff6e76dc4ea4ece980cfd60c6b58b3e/FLAG010ee43ed [2021-11-19 05:09:05,427 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 05:09:05,428 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990262e5-718d-4270-a6e0-97887982521c/sv-benchmarks/c/floats-cdfpl/newton_2_2.i [2021-11-19 05:09:05,434 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990262e5-718d-4270-a6e0-97887982521c/bin/uautomizer-ZXIjhQolGL/data/cc8a2f5c9/0ff6e76dc4ea4ece980cfd60c6b58b3e/FLAG010ee43ed [2021-11-19 05:09:05,835 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990262e5-718d-4270-a6e0-97887982521c/bin/uautomizer-ZXIjhQolGL/data/cc8a2f5c9/0ff6e76dc4ea4ece980cfd60c6b58b3e [2021-11-19 05:09:05,837 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 05:09:05,839 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 05:09:05,840 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 05:09:05,841 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 05:09:05,846 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 05:09:05,847 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:09:05" (1/1) ... [2021-11-19 05:09:05,850 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ee1df45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:09:05, skipping insertion in model container [2021-11-19 05:09:05,850 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:09:05" (1/1) ... [2021-11-19 05:09:05,857 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 05:09:05,876 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 05:09:06,046 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_990262e5-718d-4270-a6e0-97887982521c/sv-benchmarks/c/floats-cdfpl/newton_2_2.i[1743,1756] [2021-11-19 05:09:06,050 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 05:09:06,058 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 05:09:06,076 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_990262e5-718d-4270-a6e0-97887982521c/sv-benchmarks/c/floats-cdfpl/newton_2_2.i[1743,1756] [2021-11-19 05:09:06,077 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 05:09:06,090 INFO L208 MainTranslator]: Completed translation [2021-11-19 05:09:06,090 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:09:06 WrapperNode [2021-11-19 05:09:06,091 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 05:09:06,092 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 05:09:06,092 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 05:09:06,092 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 05:09:06,099 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:09:06" (1/1) ... [2021-11-19 05:09:06,106 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:09:06" (1/1) ... [2021-11-19 05:09:06,123 INFO L137 Inliner]: procedures = 17, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 29 [2021-11-19 05:09:06,123 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 05:09:06,124 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 05:09:06,124 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 05:09:06,124 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 05:09:06,131 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:09:06" (1/1) ... [2021-11-19 05:09:06,131 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:09:06" (1/1) ... [2021-11-19 05:09:06,133 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:09:06" (1/1) ... [2021-11-19 05:09:06,133 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:09:06" (1/1) ... [2021-11-19 05:09:06,138 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:09:06" (1/1) ... [2021-11-19 05:09:06,139 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:09:06" (1/1) ... [2021-11-19 05:09:06,140 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:09:06" (1/1) ... [2021-11-19 05:09:06,142 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 05:09:06,143 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 05:09:06,143 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 05:09:06,143 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 05:09:06,158 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:09:06" (1/1) ... [2021-11-19 05:09:06,175 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 05:09:06,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990262e5-718d-4270-a6e0-97887982521c/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:09:06,204 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990262e5-718d-4270-a6e0-97887982521c/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 05:09:06,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990262e5-718d-4270-a6e0-97887982521c/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 05:09:06,252 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 05:09:06,252 INFO L130 BoogieDeclarations]: Found specification of procedure f [2021-11-19 05:09:06,252 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2021-11-19 05:09:06,252 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2021-11-19 05:09:06,252 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2021-11-19 05:09:06,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-19 05:09:06,253 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 05:09:06,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 05:09:06,323 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 05:09:06,324 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 05:09:06,464 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 05:09:06,469 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 05:09:06,473 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-19 05:09:06,475 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:09:06 BoogieIcfgContainer [2021-11-19 05:09:06,476 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 05:09:06,478 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 05:09:06,478 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 05:09:06,482 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 05:09:06,482 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:09:05" (1/3) ... [2021-11-19 05:09:06,483 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62cee423 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:09:06, skipping insertion in model container [2021-11-19 05:09:06,483 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:09:06" (2/3) ... [2021-11-19 05:09:06,484 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62cee423 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:09:06, skipping insertion in model container [2021-11-19 05:09:06,484 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:09:06" (3/3) ... [2021-11-19 05:09:06,487 INFO L111 eAbstractionObserver]: Analyzing ICFG newton_2_2.i [2021-11-19 05:09:06,492 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 05:09:06,493 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-19 05:09:06,541 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-19 05:09:06,548 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 05:09:06,548 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-19 05:09:06,565 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 15 states have (on average 1.2) internal successors, (18), 16 states have internal predecessors, (18), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-11-19 05:09:06,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-19 05:09:06,571 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:09:06,571 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:09:06,572 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:09:06,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:09:06,578 INFO L85 PathProgramCache]: Analyzing trace with hash 1905727787, now seen corresponding path program 1 times [2021-11-19 05:09:06,587 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:09:06,588 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232887955] [2021-11-19 05:09:06,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:09:06,589 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:09:06,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:09:06,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-19 05:09:06,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:09:06,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-19 05:09:06,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:09:06,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-19 05:09:06,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:09:06,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-19 05:09:06,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:09:06,739 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-19 05:09:06,740 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:09:06,740 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [232887955] [2021-11-19 05:09:06,741 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [232887955] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:09:06,741 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:09:06,742 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-19 05:09:06,744 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021589276] [2021-11-19 05:09:06,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:09:06,749 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-19 05:09:06,749 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:09:06,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-19 05:09:06,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-19 05:09:06,779 INFO L87 Difference]: Start difference. First operand has 23 states, 15 states have (on average 1.2) internal successors, (18), 16 states have internal predecessors, (18), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2021-11-19 05:09:06,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:09:06,799 INFO L93 Difference]: Finished difference Result 43 states and 48 transitions. [2021-11-19 05:09:06,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:09:06,801 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 24 [2021-11-19 05:09:06,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:09:06,808 INFO L225 Difference]: With dead ends: 43 [2021-11-19 05:09:06,808 INFO L226 Difference]: Without dead ends: 19 [2021-11-19 05:09:06,812 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 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 05:09:06,816 INFO L933 BasicCegarLoop]: 24 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, 24 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 05:09:06,817 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 05:09:06,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2021-11-19 05:09:06,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2021-11-19 05:09:06,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 12 states have (on average 1.0) internal successors, (12), 12 states have internal predecessors, (12), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-11-19 05:09:06,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 20 transitions. [2021-11-19 05:09:06,854 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 20 transitions. Word has length 24 [2021-11-19 05:09:06,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:09:06,855 INFO L470 AbstractCegarLoop]: Abstraction has 19 states and 20 transitions. [2021-11-19 05:09:06,855 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2021-11-19 05:09:06,855 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2021-11-19 05:09:06,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-19 05:09:06,857 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:09:06,858 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:09:06,858 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-19 05:09:06,858 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:09:06,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:09:06,860 INFO L85 PathProgramCache]: Analyzing trace with hash 2124582505, now seen corresponding path program 1 times [2021-11-19 05:09:06,860 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:09:06,860 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1018955435] [2021-11-19 05:09:06,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:09:06,861 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:09:06,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 05:09:06,883 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-19 05:09:06,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 05:09:06,939 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-19 05:09:06,939 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-19 05:09:06,941 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-19 05:09:06,944 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-19 05:09:06,953 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2021-11-19 05:09:06,962 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-19 05:09:06,998 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 05:09:06 BoogieIcfgContainer [2021-11-19 05:09:06,998 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-19 05:09:06,999 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-19 05:09:06,999 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-19 05:09:06,999 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-19 05:09:06,999 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:09:06" (3/4) ... [2021-11-19 05:09:07,002 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-19 05:09:07,003 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-19 05:09:07,003 INFO L158 Benchmark]: Toolchain (without parser) took 1164.35ms. Allocated memory is still 107.0MB. Free memory was 71.7MB in the beginning and 43.8MB in the end (delta: 27.9MB). Peak memory consumption was 26.4MB. Max. memory is 16.1GB. [2021-11-19 05:09:07,004 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 107.0MB. Free memory was 79.0MB in the beginning and 79.0MB in the end (delta: 23.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 05:09:07,005 INFO L158 Benchmark]: CACSL2BoogieTranslator took 250.57ms. Allocated memory is still 107.0MB. Free memory was 71.7MB in the beginning and 81.5MB in the end (delta: -9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-19 05:09:07,005 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.32ms. Allocated memory is still 107.0MB. Free memory was 81.5MB in the beginning and 80.0MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 05:09:07,006 INFO L158 Benchmark]: Boogie Preprocessor took 18.54ms. Allocated memory is still 107.0MB. Free memory was 80.0MB in the beginning and 78.9MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-19 05:09:07,006 INFO L158 Benchmark]: RCFGBuilder took 333.14ms. Allocated memory is still 107.0MB. Free memory was 78.9MB in the beginning and 70.0MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-19 05:09:07,007 INFO L158 Benchmark]: TraceAbstraction took 519.76ms. Allocated memory is still 107.0MB. Free memory was 69.5MB in the beginning and 43.8MB in the end (delta: 25.7MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2021-11-19 05:09:07,007 INFO L158 Benchmark]: Witness Printer took 4.07ms. Allocated memory is still 107.0MB. Free memory is still 43.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 05:09:07,010 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 107.0MB. Free memory was 79.0MB in the beginning and 79.0MB in the end (delta: 23.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 250.57ms. Allocated memory is still 107.0MB. Free memory was 71.7MB in the beginning and 81.5MB in the end (delta: -9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.32ms. Allocated memory is still 107.0MB. Free memory was 81.5MB in the beginning and 80.0MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 18.54ms. Allocated memory is still 107.0MB. Free memory was 80.0MB in the beginning and 78.9MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 333.14ms. Allocated memory is still 107.0MB. Free memory was 78.9MB in the beginning and 70.0MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 519.76ms. Allocated memory is still 107.0MB. Free memory was 69.5MB in the beginning and 43.8MB in the end (delta: 25.7MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Witness Printer took 4.07ms. Allocated memory is still 107.0MB. Free memory is still 43.8MB. 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: 51]: 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 40, overapproximation of someBinaryDOUBLEComparisonOperation at line 50, overapproximation of someBinaryArithmeticFLOAToperation at line 44. Possible FailurePath: [L39] float IN = __VERIFIER_nondet_float(); [L40] CALL assume_abort_if_not(IN > -0.4f && IN < 0.4f) [L24] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L40] RET assume_abort_if_not(IN > -0.4f && IN < 0.4f) [L42] CALL, EXPR f(IN) VAL [\old(x)=49] [L29] 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] [L42] RET, EXPR f(IN) VAL [f(IN)=50, IN=49] [L42] CALL, EXPR fp(IN) VAL [\old(x)=49] [L34] 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] [L42] RET, EXPR fp(IN) VAL [f(IN)=50, fp(IN)=53, IN=49] [L42] float x = IN - f(IN)/fp(IN); [L44] CALL, EXPR f(x) VAL [\old(x)=51] [L29] 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)=51, x=51] [L44] RET, EXPR f(x) VAL [f(x)=52, IN=49, x=51] [L44] CALL, EXPR fp(x) VAL [\old(x)=51] [L34] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; VAL [\old(x)=51, x=51] [L44] RET, EXPR fp(x) VAL [f(x)=52, fp(x)=54, IN=49, x=51] [L44] x = x - f(x)/fp(x) [L50] COND TRUE !(x < 0.1) VAL [IN=49] [L51] reach_error() VAL [IN=49] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 23 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 2, 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, 24 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, 24 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred 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, 48 NumberOfCodeBlocks, 48 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 23 ConstructedInterpolants, 0 QuantifiedInterpolants, 23 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 6/6 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 05:09:07,076 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990262e5-718d-4270-a6e0-97887982521c/bin/uautomizer-ZXIjhQolGL/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_990262e5-718d-4270-a6e0-97887982521c/bin/uautomizer-ZXIjhQolGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990262e5-718d-4270-a6e0-97887982521c/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_990262e5-718d-4270-a6e0-97887982521c/bin/uautomizer-ZXIjhQolGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990262e5-718d-4270-a6e0-97887982521c/bin/uautomizer-ZXIjhQolGL/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/newton_2_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990262e5-718d-4270-a6e0-97887982521c/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_990262e5-718d-4270-a6e0-97887982521c/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 ea6a8c5e704811f28f8e849441da11858e0e82f813a23a41c3470eda1c16b043 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 05:09:09,527 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 05:09:09,531 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 05:09:09,586 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 05:09:09,587 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 05:09:09,592 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 05:09:09,594 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 05:09:09,600 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 05:09:09,603 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 05:09:09,609 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 05:09:09,611 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 05:09:09,613 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 05:09:09,613 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 05:09:09,616 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 05:09:09,618 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 05:09:09,628 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 05:09:09,630 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 05:09:09,631 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 05:09:09,633 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 05:09:09,641 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 05:09:09,643 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 05:09:09,644 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 05:09:09,646 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 05:09:09,649 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 05:09:09,658 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 05:09:09,658 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 05:09:09,659 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 05:09:09,661 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 05:09:09,661 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 05:09:09,662 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 05:09:09,663 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 05:09:09,664 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 05:09:09,666 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 05:09:09,667 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 05:09:09,668 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 05:09:09,669 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 05:09:09,670 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 05:09:09,670 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 05:09:09,670 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 05:09:09,672 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 05:09:09,673 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 05:09:09,678 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990262e5-718d-4270-a6e0-97887982521c/bin/uautomizer-ZXIjhQolGL/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-11-19 05:09:09,731 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 05:09:09,732 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 05:09:09,733 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-19 05:09:09,733 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-19 05:09:09,734 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 05:09:09,734 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 05:09:09,736 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-19 05:09:09,736 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-19 05:09:09,736 INFO L138 SettingsManager]: * Use SBE=true [2021-11-19 05:09:09,737 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 05:09:09,738 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-19 05:09:09,738 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-19 05:09:09,739 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 05:09:09,739 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 05:09:09,739 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 05:09:09,740 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 05:09:09,740 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-19 05:09:09,740 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-19 05:09:09,740 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-19 05:09:09,740 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 05:09:09,741 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 05:09:09,741 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 05:09:09,741 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 05:09:09,741 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 05:09:09,742 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 05:09:09,742 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 05:09:09,742 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 05:09:09,743 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 05:09:09,743 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 05:09:09,743 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-11-19 05:09:09,743 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-19 05:09:09,744 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-19 05:09:09,744 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-19 05:09:09,744 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 05:09:09,744 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 05:09:09,745 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 05:09:09,745 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_990262e5-718d-4270-a6e0-97887982521c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990262e5-718d-4270-a6e0-97887982521c/bin/uautomizer-ZXIjhQolGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ea6a8c5e704811f28f8e849441da11858e0e82f813a23a41c3470eda1c16b043 [2021-11-19 05:09:10,085 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 05:09:10,108 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 05:09:10,110 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 05:09:10,112 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 05:09:10,113 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 05:09:10,114 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990262e5-718d-4270-a6e0-97887982521c/bin/uautomizer-ZXIjhQolGL/../../sv-benchmarks/c/floats-cdfpl/newton_2_2.i [2021-11-19 05:09:10,185 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990262e5-718d-4270-a6e0-97887982521c/bin/uautomizer-ZXIjhQolGL/data/edfdf76c0/766317285b7c400987d10196e9737535/FLAGd0ccab1c1 [2021-11-19 05:09:10,705 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 05:09:10,708 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990262e5-718d-4270-a6e0-97887982521c/sv-benchmarks/c/floats-cdfpl/newton_2_2.i [2021-11-19 05:09:10,715 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990262e5-718d-4270-a6e0-97887982521c/bin/uautomizer-ZXIjhQolGL/data/edfdf76c0/766317285b7c400987d10196e9737535/FLAGd0ccab1c1 [2021-11-19 05:09:11,070 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990262e5-718d-4270-a6e0-97887982521c/bin/uautomizer-ZXIjhQolGL/data/edfdf76c0/766317285b7c400987d10196e9737535 [2021-11-19 05:09:11,075 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 05:09:11,077 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 05:09:11,080 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 05:09:11,080 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 05:09:11,085 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 05:09:11,086 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:09:11" (1/1) ... [2021-11-19 05:09:11,087 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d32dd44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:09:11, skipping insertion in model container [2021-11-19 05:09:11,088 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:09:11" (1/1) ... [2021-11-19 05:09:11,096 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 05:09:11,114 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 05:09:11,308 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_990262e5-718d-4270-a6e0-97887982521c/sv-benchmarks/c/floats-cdfpl/newton_2_2.i[1743,1756] [2021-11-19 05:09:11,311 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 05:09:11,323 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 05:09:11,379 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_990262e5-718d-4270-a6e0-97887982521c/sv-benchmarks/c/floats-cdfpl/newton_2_2.i[1743,1756] [2021-11-19 05:09:11,386 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 05:09:11,408 INFO L208 MainTranslator]: Completed translation [2021-11-19 05:09:11,409 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:09:11 WrapperNode [2021-11-19 05:09:11,409 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 05:09:11,410 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 05:09:11,410 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 05:09:11,410 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 05:09:11,418 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:09:11" (1/1) ... [2021-11-19 05:09:11,427 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:09:11" (1/1) ... [2021-11-19 05:09:11,444 INFO L137 Inliner]: procedures = 18, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 30 [2021-11-19 05:09:11,445 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 05:09:11,446 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 05:09:11,446 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 05:09:11,446 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 05:09:11,454 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:09:11" (1/1) ... [2021-11-19 05:09:11,454 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:09:11" (1/1) ... [2021-11-19 05:09:11,458 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:09:11" (1/1) ... [2021-11-19 05:09:11,458 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:09:11" (1/1) ... [2021-11-19 05:09:11,465 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:09:11" (1/1) ... [2021-11-19 05:09:11,467 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:09:11" (1/1) ... [2021-11-19 05:09:11,469 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:09:11" (1/1) ... [2021-11-19 05:09:11,472 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 05:09:11,473 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 05:09:11,473 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 05:09:11,474 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 05:09:11,474 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:09:11" (1/1) ... [2021-11-19 05:09:11,481 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 05:09:11,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990262e5-718d-4270-a6e0-97887982521c/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:09:11,508 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990262e5-718d-4270-a6e0-97887982521c/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 05:09:11,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990262e5-718d-4270-a6e0-97887982521c/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 05:09:11,562 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 05:09:11,562 INFO L130 BoogieDeclarations]: Found specification of procedure f [2021-11-19 05:09:11,563 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2021-11-19 05:09:11,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-19 05:09:11,563 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2021-11-19 05:09:11,563 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2021-11-19 05:09:11,564 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 05:09:11,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 05:09:11,646 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 05:09:11,649 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 05:09:19,588 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 05:09:19,594 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 05:09:19,594 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-19 05:09:19,596 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:09:19 BoogieIcfgContainer [2021-11-19 05:09:19,596 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 05:09:19,597 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 05:09:19,598 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 05:09:19,600 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 05:09:19,601 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:09:11" (1/3) ... [2021-11-19 05:09:19,601 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@652bfd9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:09:19, skipping insertion in model container [2021-11-19 05:09:19,602 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:09:11" (2/3) ... [2021-11-19 05:09:19,602 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@652bfd9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:09:19, skipping insertion in model container [2021-11-19 05:09:19,602 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:09:19" (3/3) ... [2021-11-19 05:09:19,607 INFO L111 eAbstractionObserver]: Analyzing ICFG newton_2_2.i [2021-11-19 05:09:19,612 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 05:09:19,612 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-19 05:09:19,660 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-19 05:09:19,667 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 05:09:19,667 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-19 05:09:19,682 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 15 states have (on average 1.2) internal successors, (18), 16 states have internal predecessors, (18), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-11-19 05:09:19,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-19 05:09:19,688 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:09:19,688 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:09:19,689 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:09:19,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:09:19,694 INFO L85 PathProgramCache]: Analyzing trace with hash 1905727787, now seen corresponding path program 1 times [2021-11-19 05:09:19,706 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-19 05:09:19,707 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1244031525] [2021-11-19 05:09:19,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:09:19,708 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 05:09:19,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990262e5-718d-4270-a6e0-97887982521c/bin/uautomizer-ZXIjhQolGL/mathsat [2021-11-19 05:09:19,711 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990262e5-718d-4270-a6e0-97887982521c/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 05:09:19,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990262e5-718d-4270-a6e0-97887982521c/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-19 05:09:22,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:09:22,169 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-19 05:09:22,174 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:09:22,393 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-19 05:09:22,393 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 05:09:22,533 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-19 05:09:22,534 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-19 05:09:22,535 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1244031525] [2021-11-19 05:09:22,535 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1244031525] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 05:09:22,536 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:09:22,536 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-19 05:09:22,538 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758458189] [2021-11-19 05:09:22,538 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 05:09:22,543 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-19 05:09:22,543 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-19 05:09:22,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-19 05:09:22,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-19 05:09:22,572 INFO L87 Difference]: Start difference. First operand has 23 states, 15 states have (on average 1.2) internal successors, (18), 16 states have internal predecessors, (18), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 1 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2021-11-19 05:09:22,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:09:22,592 INFO L93 Difference]: Finished difference Result 43 states and 48 transitions. [2021-11-19 05:09:22,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:09:22,599 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 1 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 24 [2021-11-19 05:09:22,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:09:22,607 INFO L225 Difference]: With dead ends: 43 [2021-11-19 05:09:22,607 INFO L226 Difference]: Without dead ends: 19 [2021-11-19 05:09:22,610 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 46 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 05:09:22,616 INFO L933 BasicCegarLoop]: 24 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, 24 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 05:09:22,620 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 05:09:22,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2021-11-19 05:09:22,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2021-11-19 05:09:22,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 12 states have (on average 1.0) internal successors, (12), 12 states have internal predecessors, (12), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-11-19 05:09:22,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 20 transitions. [2021-11-19 05:09:22,660 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 20 transitions. Word has length 24 [2021-11-19 05:09:22,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:09:22,661 INFO L470 AbstractCegarLoop]: Abstraction has 19 states and 20 transitions. [2021-11-19 05:09:22,663 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 1 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2021-11-19 05:09:22,663 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2021-11-19 05:09:22,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-19 05:09:22,666 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:09:22,666 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:09:22,726 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990262e5-718d-4270-a6e0-97887982521c/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-19 05:09:22,891 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990262e5-718d-4270-a6e0-97887982521c/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 [2021-11-19 05:09:22,891 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:09:22,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:09:22,892 INFO L85 PathProgramCache]: Analyzing trace with hash 2124582505, now seen corresponding path program 1 times [2021-11-19 05:09:22,893 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-19 05:09:22,893 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [110311513] [2021-11-19 05:09:22,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:09:22,893 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 05:09:22,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990262e5-718d-4270-a6e0-97887982521c/bin/uautomizer-ZXIjhQolGL/mathsat [2021-11-19 05:09:22,894 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990262e5-718d-4270-a6e0-97887982521c/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 05:09:22,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990262e5-718d-4270-a6e0-97887982521c/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process