./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/Rump_float.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04b2b4f-f6a9-4a03-9eb5-a90ef83a49de/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04b2b4f-f6a9-4a03-9eb5-a90ef83a49de/bin/uautomizer-UnR33cPsHg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04b2b4f-f6a9-4a03-9eb5-a90ef83a49de/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04b2b4f-f6a9-4a03-9eb5-a90ef83a49de/bin/uautomizer-UnR33cPsHg/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/Rump_float.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04b2b4f-f6a9-4a03-9eb5-a90ef83a49de/bin/uautomizer-UnR33cPsHg/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04b2b4f-f6a9-4a03-9eb5-a90ef83a49de/bin/uautomizer-UnR33cPsHg --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 b840a1d491be18d4f22349042aa6b7f6d299141e2db3e10f317f2629f2683994 .......................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04b2b4f-f6a9-4a03-9eb5-a90ef83a49de/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04b2b4f-f6a9-4a03-9eb5-a90ef83a49de/bin/uautomizer-UnR33cPsHg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04b2b4f-f6a9-4a03-9eb5-a90ef83a49de/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04b2b4f-f6a9-4a03-9eb5-a90ef83a49de/bin/uautomizer-UnR33cPsHg/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/Rump_float.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04b2b4f-f6a9-4a03-9eb5-a90ef83a49de/bin/uautomizer-UnR33cPsHg/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04b2b4f-f6a9-4a03-9eb5-a90ef83a49de/bin/uautomizer-UnR33cPsHg --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 b840a1d491be18d4f22349042aa6b7f6d299141e2db3e10f317f2629f2683994 ............................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 09:13:34,529 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 09:13:34,532 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 09:13:34,588 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 09:13:34,588 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 09:13:34,594 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 09:13:34,596 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 09:13:34,601 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 09:13:34,603 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 09:13:34,609 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 09:13:34,610 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 09:13:34,612 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 09:13:34,612 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 09:13:34,615 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 09:13:34,617 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 09:13:34,622 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 09:13:34,624 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 09:13:34,625 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 09:13:34,627 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 09:13:34,635 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 09:13:34,637 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 09:13:34,639 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 09:13:34,642 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 09:13:34,643 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 09:13:34,647 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 09:13:34,647 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 09:13:34,648 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 09:13:34,650 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 09:13:34,650 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 09:13:34,652 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 09:13:34,653 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 09:13:34,654 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 09:13:34,656 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 09:13:34,657 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 09:13:34,658 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 09:13:34,659 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 09:13:34,659 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 09:13:34,660 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 09:13:34,660 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 09:13:34,661 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 09:13:34,661 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 09:13:34,662 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04b2b4f-f6a9-4a03-9eb5-a90ef83a49de/bin/uautomizer-UnR33cPsHg/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-28 09:13:34,705 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 09:13:34,705 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 09:13:34,705 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 09:13:34,706 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 09:13:34,716 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 09:13:34,716 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 09:13:34,717 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 09:13:34,717 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 09:13:34,717 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 09:13:34,717 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 09:13:34,718 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 09:13:34,718 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 09:13:34,719 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 09:13:34,719 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 09:13:34,719 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 09:13:34,719 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 09:13:34,719 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 09:13:34,720 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 09:13:34,720 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 09:13:34,720 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 09:13:34,720 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 09:13:34,720 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 09:13:34,720 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 09:13:34,721 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 09:13:34,721 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 09:13:34,721 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 09:13:34,722 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 09:13:34,722 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 09:13:34,722 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 09:13:34,723 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 09:13:34,724 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 09:13:34,724 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 09:13:34,724 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_a04b2b4f-f6a9-4a03-9eb5-a90ef83a49de/bin/uautomizer-UnR33cPsHg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04b2b4f-f6a9-4a03-9eb5-a90ef83a49de/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b840a1d491be18d4f22349042aa6b7f6d299141e2db3e10f317f2629f2683994 [2021-10-28 09:13:35,024 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 09:13:35,053 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 09:13:35,056 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 09:13:35,057 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 09:13:35,058 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 09:13:35,059 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04b2b4f-f6a9-4a03-9eb5-a90ef83a49de/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/float-benchs/Rump_float.c [2021-10-28 09:13:35,156 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04b2b4f-f6a9-4a03-9eb5-a90ef83a49de/bin/uautomizer-UnR33cPsHg/data/2b3d29529/17014d519ff4471d844e93d8017f0083/FLAGc097d3fab [2021-10-28 09:13:35,720 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 09:13:35,721 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04b2b4f-f6a9-4a03-9eb5-a90ef83a49de/sv-benchmarks/c/float-benchs/Rump_float.c [2021-10-28 09:13:35,733 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04b2b4f-f6a9-4a03-9eb5-a90ef83a49de/bin/uautomizer-UnR33cPsHg/data/2b3d29529/17014d519ff4471d844e93d8017f0083/FLAGc097d3fab [2021-10-28 09:13:36,102 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04b2b4f-f6a9-4a03-9eb5-a90ef83a49de/bin/uautomizer-UnR33cPsHg/data/2b3d29529/17014d519ff4471d844e93d8017f0083 [2021-10-28 09:13:36,105 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 09:13:36,106 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 09:13:36,108 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 09:13:36,109 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 09:13:36,113 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 09:13:36,114 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:13:36" (1/1) ... [2021-10-28 09:13:36,115 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f0da544 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:13:36, skipping insertion in model container [2021-10-28 09:13:36,115 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:13:36" (1/1) ... [2021-10-28 09:13:36,125 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 09:13:36,141 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 09:13:36,339 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04b2b4f-f6a9-4a03-9eb5-a90ef83a49de/sv-benchmarks/c/float-benchs/Rump_float.c[338,351] [2021-10-28 09:13:36,362 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:13:36,373 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 09:13:36,390 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04b2b4f-f6a9-4a03-9eb5-a90ef83a49de/sv-benchmarks/c/float-benchs/Rump_float.c[338,351] [2021-10-28 09:13:36,404 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:13:36,423 INFO L208 MainTranslator]: Completed translation [2021-10-28 09:13:36,424 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:13:36 WrapperNode [2021-10-28 09:13:36,424 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 09:13:36,425 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 09:13:36,426 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 09:13:36,426 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 09:13:36,434 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:13:36" (1/1) ... [2021-10-28 09:13:36,442 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:13:36" (1/1) ... [2021-10-28 09:13:36,462 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 09:13:36,464 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 09:13:36,464 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 09:13:36,465 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 09:13:36,473 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:13:36" (1/1) ... [2021-10-28 09:13:36,474 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:13:36" (1/1) ... [2021-10-28 09:13:36,485 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:13:36" (1/1) ... [2021-10-28 09:13:36,485 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:13:36" (1/1) ... [2021-10-28 09:13:36,490 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:13:36" (1/1) ... [2021-10-28 09:13:36,492 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:13:36" (1/1) ... [2021-10-28 09:13:36,493 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:13:36" (1/1) ... [2021-10-28 09:13:36,494 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 09:13:36,495 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 09:13:36,495 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 09:13:36,496 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 09:13:36,497 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:13:36" (1/1) ... [2021-10-28 09:13:36,504 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 09:13:36,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04b2b4f-f6a9-4a03-9eb5-a90ef83a49de/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:13:36,530 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04b2b4f-f6a9-4a03-9eb5-a90ef83a49de/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 09:13:36,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04b2b4f-f6a9-4a03-9eb5-a90ef83a49de/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 09:13:36,582 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 09:13:36,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 09:13:36,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 09:13:36,583 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 09:13:36,819 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 09:13:36,819 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-10-28 09:13:36,821 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:13:36 BoogieIcfgContainer [2021-10-28 09:13:36,821 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 09:13:36,824 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 09:13:36,824 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 09:13:36,834 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 09:13:36,835 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 09:13:36" (1/3) ... [2021-10-28 09:13:36,835 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24225265 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 09:13:36, skipping insertion in model container [2021-10-28 09:13:36,836 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:13:36" (2/3) ... [2021-10-28 09:13:36,836 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24225265 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 09:13:36, skipping insertion in model container [2021-10-28 09:13:36,836 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:13:36" (3/3) ... [2021-10-28 09:13:36,838 INFO L111 eAbstractionObserver]: Analyzing ICFG Rump_float.c [2021-10-28 09:13:36,843 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 09:13:36,844 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-28 09:13:36,913 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 09:13:36,925 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-28 09:13:36,925 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-28 09:13:36,943 INFO L276 IsEmpty]: Start isEmpty. Operand has 9 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 8 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:13:36,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-28 09:13:36,948 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:13:36,949 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-10-28 09:13:36,951 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:13:36,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:13:36,959 INFO L85 PathProgramCache]: Analyzing trace with hash 925605, now seen corresponding path program 1 times [2021-10-28 09:13:36,970 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:13:36,971 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1514838192] [2021-10-28 09:13:36,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:13:36,972 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:13:37,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:13:37,116 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:13:37,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:13:37,197 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:13:37,201 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-10-28 09:13:37,202 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 09:13:37,205 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-28 09:13:37,210 INFO L731 BasicCegarLoop]: Path program histogram: [1] [2021-10-28 09:13:37,213 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 09:13:37,236 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 09:13:37 BoogieIcfgContainer [2021-10-28 09:13:37,237 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 09:13:37,240 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 09:13:37,241 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 09:13:37,241 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 09:13:37,242 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:13:36" (3/4) ... [2021-10-28 09:13:37,245 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-28 09:13:37,245 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 09:13:37,249 INFO L168 Benchmark]: Toolchain (without parser) took 1140.24 ms. Allocated memory is still 142.6 MB. Free memory was 105.6 MB in the beginning and 90.5 MB in the end (delta: 15.1 MB). Peak memory consumption was 13.8 MB. Max. memory is 16.1 GB. [2021-10-28 09:13:37,251 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 142.6 MB. Free memory was 114.0 MB in the beginning and 114.0 MB in the end (delta: 25.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:13:37,253 INFO L168 Benchmark]: CACSL2BoogieTranslator took 315.81 ms. Allocated memory is still 142.6 MB. Free memory was 105.4 MB in the beginning and 116.4 MB in the end (delta: -11.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 09:13:37,254 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.90 ms. Allocated memory is still 142.6 MB. Free memory was 116.4 MB in the beginning and 114.7 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:13:37,255 INFO L168 Benchmark]: Boogie Preprocessor took 30.45 ms. Allocated memory is still 142.6 MB. Free memory was 114.7 MB in the beginning and 113.6 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:13:37,256 INFO L168 Benchmark]: RCFGBuilder took 326.36 ms. Allocated memory is still 142.6 MB. Free memory was 113.6 MB in the beginning and 104.7 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 09:13:37,263 INFO L168 Benchmark]: TraceAbstraction took 413.58 ms. Allocated memory is still 142.6 MB. Free memory was 104.2 MB in the beginning and 91.2 MB in the end (delta: 13.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-28 09:13:37,265 INFO L168 Benchmark]: Witness Printer took 5.18 ms. Allocated memory is still 142.6 MB. Free memory was 91.2 MB in the beginning and 90.5 MB in the end (delta: 666.4 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:13:37,276 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 142.6 MB. Free memory was 114.0 MB in the beginning and 114.0 MB in the end (delta: 25.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 315.81 ms. Allocated memory is still 142.6 MB. Free memory was 105.4 MB in the beginning and 116.4 MB in the end (delta: -11.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 36.90 ms. Allocated memory is still 142.6 MB. Free memory was 116.4 MB in the beginning and 114.7 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 30.45 ms. Allocated memory is still 142.6 MB. Free memory was 114.7 MB in the beginning and 113.6 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 326.36 ms. Allocated memory is still 142.6 MB. Free memory was 113.6 MB in the beginning and 104.7 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 413.58 ms. Allocated memory is still 142.6 MB. Free memory was 104.2 MB in the beginning and 91.2 MB in the end (delta: 13.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Witness Printer took 5.18 ms. Allocated memory is still 142.6 MB. Free memory was 91.2 MB in the beginning and 90.5 MB in the end (delta: 666.4 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 6]: 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 15, overapproximation of someBinaryArithmeticFLOAToperation at line 13. Possible FailurePath: [L10] float x,y,r; [L11] x = 77617.f [L12] y = 33096.f [L13] r = 333.75f * y*y*y*y*y*y + x*x * (11.0f * x*x*y*y - y*y*y*y*y*y - 121.0f * y*y*y*y - 2.0f) + 5.5f * y*y*y*y*y*y*y*y + x / (2.f * y) [L6] COND TRUE !(cond) [L6] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 9 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-10-28 09:13:37,330 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04b2b4f-f6a9-4a03-9eb5-a90ef83a49de/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 09:13:39,844 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 09:13:39,847 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 09:13:39,896 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 09:13:39,897 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 09:13:39,901 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 09:13:39,903 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 09:13:39,909 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 09:13:39,912 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 09:13:39,918 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 09:13:39,919 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 09:13:39,921 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 09:13:39,921 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 09:13:39,924 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 09:13:39,926 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 09:13:39,930 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 09:13:39,932 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 09:13:39,933 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 09:13:39,935 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 09:13:39,942 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 09:13:39,944 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 09:13:39,946 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 09:13:39,949 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 09:13:39,950 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 09:13:39,959 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 09:13:39,960 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 09:13:39,960 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 09:13:39,963 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 09:13:39,963 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 09:13:39,965 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 09:13:39,965 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 09:13:39,966 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 09:13:39,968 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 09:13:39,980 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 09:13:39,982 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 09:13:39,982 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 09:13:39,983 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 09:13:39,984 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 09:13:39,984 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 09:13:39,986 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 09:13:39,987 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 09:13:39,992 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04b2b4f-f6a9-4a03-9eb5-a90ef83a49de/bin/uautomizer-UnR33cPsHg/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-10-28 09:13:40,036 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 09:13:40,036 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 09:13:40,037 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 09:13:40,037 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 09:13:40,039 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 09:13:40,040 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 09:13:40,040 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 09:13:40,040 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 09:13:40,041 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 09:13:40,041 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 09:13:40,042 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 09:13:40,042 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 09:13:40,043 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 09:13:40,043 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 09:13:40,043 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-28 09:13:40,044 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-28 09:13:40,044 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 09:13:40,044 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 09:13:40,045 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 09:13:40,045 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 09:13:40,045 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 09:13:40,046 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 09:13:40,046 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 09:13:40,046 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 09:13:40,047 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 09:13:40,047 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 09:13:40,047 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 09:13:40,048 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-28 09:13:40,048 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-28 09:13:40,048 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 09:13:40,049 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 09:13:40,049 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 09:13:40,049 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 09:13:40,050 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-28 09:13:40,050 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_a04b2b4f-f6a9-4a03-9eb5-a90ef83a49de/bin/uautomizer-UnR33cPsHg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04b2b4f-f6a9-4a03-9eb5-a90ef83a49de/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b840a1d491be18d4f22349042aa6b7f6d299141e2db3e10f317f2629f2683994 [2021-10-28 09:13:40,489 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 09:13:40,520 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 09:13:40,523 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 09:13:40,524 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 09:13:40,525 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 09:13:40,526 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04b2b4f-f6a9-4a03-9eb5-a90ef83a49de/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/float-benchs/Rump_float.c [2021-10-28 09:13:40,594 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04b2b4f-f6a9-4a03-9eb5-a90ef83a49de/bin/uautomizer-UnR33cPsHg/data/3d129f416/25a45c664291480082c2082d16e75668/FLAG507836c81 [2021-10-28 09:13:41,175 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 09:13:41,178 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04b2b4f-f6a9-4a03-9eb5-a90ef83a49de/sv-benchmarks/c/float-benchs/Rump_float.c [2021-10-28 09:13:41,183 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04b2b4f-f6a9-4a03-9eb5-a90ef83a49de/bin/uautomizer-UnR33cPsHg/data/3d129f416/25a45c664291480082c2082d16e75668/FLAG507836c81 [2021-10-28 09:13:41,559 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04b2b4f-f6a9-4a03-9eb5-a90ef83a49de/bin/uautomizer-UnR33cPsHg/data/3d129f416/25a45c664291480082c2082d16e75668 [2021-10-28 09:13:41,563 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 09:13:41,565 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 09:13:41,570 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 09:13:41,570 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 09:13:41,574 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 09:13:41,575 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:13:41" (1/1) ... [2021-10-28 09:13:41,577 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cd4937d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:13:41, skipping insertion in model container [2021-10-28 09:13:41,577 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:13:41" (1/1) ... [2021-10-28 09:13:41,585 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 09:13:41,601 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 09:13:41,737 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04b2b4f-f6a9-4a03-9eb5-a90ef83a49de/sv-benchmarks/c/float-benchs/Rump_float.c[338,351] [2021-10-28 09:13:41,753 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:13:41,767 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 09:13:41,782 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04b2b4f-f6a9-4a03-9eb5-a90ef83a49de/sv-benchmarks/c/float-benchs/Rump_float.c[338,351] [2021-10-28 09:13:41,790 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:13:41,807 INFO L208 MainTranslator]: Completed translation [2021-10-28 09:13:41,808 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:13:41 WrapperNode [2021-10-28 09:13:41,809 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 09:13:41,810 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 09:13:41,810 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 09:13:41,811 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 09:13:41,819 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:13:41" (1/1) ... [2021-10-28 09:13:41,841 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:13:41" (1/1) ... [2021-10-28 09:13:41,878 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 09:13:41,881 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 09:13:41,881 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 09:13:41,881 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 09:13:41,890 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:13:41" (1/1) ... [2021-10-28 09:13:41,891 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:13:41" (1/1) ... [2021-10-28 09:13:41,897 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:13:41" (1/1) ... [2021-10-28 09:13:41,898 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:13:41" (1/1) ... [2021-10-28 09:13:41,919 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:13:41" (1/1) ... [2021-10-28 09:13:41,922 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:13:41" (1/1) ... [2021-10-28 09:13:41,924 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:13:41" (1/1) ... [2021-10-28 09:13:41,931 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 09:13:41,932 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 09:13:41,932 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 09:13:41,933 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 09:13:41,934 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:13:41" (1/1) ... [2021-10-28 09:13:41,946 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 09:13:41,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04b2b4f-f6a9-4a03-9eb5-a90ef83a49de/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:13:41,975 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04b2b4f-f6a9-4a03-9eb5-a90ef83a49de/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 09:13:42,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04b2b4f-f6a9-4a03-9eb5-a90ef83a49de/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 09:13:42,034 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 09:13:42,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 09:13:42,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-28 09:13:42,035 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 09:13:44,587 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 09:13:44,587 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-10-28 09:13:44,589 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:13:44 BoogieIcfgContainer [2021-10-28 09:13:44,589 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 09:13:44,592 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 09:13:44,592 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 09:13:44,596 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 09:13:44,596 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 09:13:41" (1/3) ... [2021-10-28 09:13:44,597 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9a55eac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 09:13:44, skipping insertion in model container [2021-10-28 09:13:44,598 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:13:41" (2/3) ... [2021-10-28 09:13:44,598 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9a55eac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 09:13:44, skipping insertion in model container [2021-10-28 09:13:44,599 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:13:44" (3/3) ... [2021-10-28 09:13:44,600 INFO L111 eAbstractionObserver]: Analyzing ICFG Rump_float.c [2021-10-28 09:13:44,606 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 09:13:44,606 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-28 09:13:44,657 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 09:13:44,665 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-28 09:13:44,665 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-28 09:13:44,679 INFO L276 IsEmpty]: Start isEmpty. Operand has 9 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 8 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:13:44,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-28 09:13:44,684 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:13:44,685 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-10-28 09:13:44,685 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:13:44,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:13:44,691 INFO L85 PathProgramCache]: Analyzing trace with hash 925605, now seen corresponding path program 1 times [2021-10-28 09:13:44,703 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 09:13:44,704 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1182589482] [2021-10-28 09:13:44,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:13:44,705 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 09:13:44,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04b2b4f-f6a9-4a03-9eb5-a90ef83a49de/bin/uautomizer-UnR33cPsHg/mathsat [2021-10-28 09:13:44,716 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04b2b4f-f6a9-4a03-9eb5-a90ef83a49de/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 09:13:44,721 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04b2b4f-f6a9-4a03-9eb5-a90ef83a49de/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-28 09:13:46,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:13:46,595 INFO L263 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-28 09:13:46,599 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:13:46,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:13:46,889 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 09:13:53,279 WARN L838 $PredicateComparison]: unable to prove that (fp.geq (let ((.cse1 ((_ to_fp 8 24) c_currentRoundingMode 77617.0)) (.cse2 ((_ to_fp 8 24) c_currentRoundingMode 2.0)) (.cse0 ((_ to_fp 8 24) c_currentRoundingMode 33096.0))) (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 1335.0 4.0)) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse1 .cse1) (fp.sub c_currentRoundingMode (fp.sub c_currentRoundingMode (fp.sub c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode 11.0) .cse1) .cse1) .cse0) .cse0) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse0 .cse0) .cse0) .cse0) .cse0) .cse0)) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode 121.0) .cse0) .cse0) .cse0) .cse0)) .cse2))) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 11.0 2.0)) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0)) (fp.div c_currentRoundingMode .cse1 (fp.mul c_currentRoundingMode .cse2 .cse0)))) ((_ to_fp 8 24) c_currentRoundingMode (_ bv0 32))) is different from false [2021-10-28 09:13:55,374 WARN L860 $PredicateComparison]: unable to prove that (fp.geq (let ((.cse1 ((_ to_fp 8 24) c_currentRoundingMode 77617.0)) (.cse2 ((_ to_fp 8 24) c_currentRoundingMode 2.0)) (.cse0 ((_ to_fp 8 24) c_currentRoundingMode 33096.0))) (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 1335.0 4.0)) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse1 .cse1) (fp.sub c_currentRoundingMode (fp.sub c_currentRoundingMode (fp.sub c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode 11.0) .cse1) .cse1) .cse0) .cse0) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse0 .cse0) .cse0) .cse0) .cse0) .cse0)) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode 121.0) .cse0) .cse0) .cse0) .cse0)) .cse2))) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 11.0 2.0)) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0)) (fp.div c_currentRoundingMode .cse1 (fp.mul c_currentRoundingMode .cse2 .cse0)))) ((_ to_fp 8 24) c_currentRoundingMode (_ bv0 32))) is different from true [2021-10-28 09:13:55,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:13:55,376 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 09:13:55,376 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1182589482] [2021-10-28 09:13:55,377 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1182589482] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-28 09:13:55,377 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:13:55,377 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2021-10-28 09:13:55,379 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1266492679] [2021-10-28 09:13:55,399 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-28 09:13:55,399 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 09:13:55,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-28 09:13:55,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=12, Unknown=2, NotChecked=6, Total=30 [2021-10-28 09:13:55,415 INFO L87 Difference]: Start difference. First operand has 9 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 8 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:13:57,531 WARN L860 $PredicateComparison]: unable to prove that (and (fp.geq (let ((.cse1 ((_ to_fp 8 24) c_currentRoundingMode 77617.0)) (.cse2 ((_ to_fp 8 24) c_currentRoundingMode 2.0)) (.cse0 ((_ to_fp 8 24) c_currentRoundingMode 33096.0))) (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 1335.0 4.0)) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse1 .cse1) (fp.sub c_currentRoundingMode (fp.sub c_currentRoundingMode (fp.sub c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode 11.0) .cse1) .cse1) .cse0) .cse0) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse0 .cse0) .cse0) .cse0) .cse0) .cse0)) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode 121.0) .cse0) .cse0) .cse0) .cse0)) .cse2))) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 11.0 2.0)) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0)) (fp.div c_currentRoundingMode .cse1 (fp.mul c_currentRoundingMode .cse2 .cse0)))) ((_ to_fp 8 24) c_currentRoundingMode (_ bv0 32))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from true [2021-10-28 09:13:57,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:13:57,564 INFO L93 Difference]: Finished difference Result 13 states and 12 transitions. [2021-10-28 09:13:57,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 09:13:57,567 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2021-10-28 09:13:57,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:13:57,575 INFO L225 Difference]: With dead ends: 13 [2021-10-28 09:13:57,575 INFO L226 Difference]: Without dead ends: 0 [2021-10-28 09:13:57,578 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.4s TimeCoverageRelationStatistics Valid=12, Invalid=13, Unknown=3, NotChecked=14, Total=42 [2021-10-28 09:13:57,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-28 09:13:57,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-28 09:13:57,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:13:57,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-28 09:13:57,607 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 4 [2021-10-28 09:13:57,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:13:57,608 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 09:13:57,608 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:13:57,608 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-28 09:13:57,608 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-28 09:13:57,611 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 09:13:57,654 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04b2b4f-f6a9-4a03-9eb5-a90ef83a49de/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-28 09:13:57,832 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04b2b4f-f6a9-4a03-9eb5-a90ef83a49de/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 [2021-10-28 09:13:57,834 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-28 09:13:57,836 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:13:57,873 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:13:57,915 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-28 09:13:57,916 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-28 09:13:57,916 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-28 09:13:57,916 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-28 09:13:57,917 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 6) no Hoare annotation was computed. [2021-10-28 09:13:57,917 INFO L853 garLoopResultBuilder]: At program point L16(lines 8 17) the Hoare annotation is: (= ULTIMATE.start___VERIFIER_assert_~cond (_ bv1 32)) [2021-10-28 09:13:57,917 INFO L857 garLoopResultBuilder]: For program point L6(line 6) no Hoare annotation was computed. [2021-10-28 09:13:57,917 INFO L857 garLoopResultBuilder]: For program point L6-1(line 6) no Hoare annotation was computed. [2021-10-28 09:13:57,918 INFO L853 garLoopResultBuilder]: At program point L6-3(line 6) the Hoare annotation is: (= ULTIMATE.start___VERIFIER_assert_~cond (_ bv1 32)) [2021-10-28 09:13:57,922 INFO L731 BasicCegarLoop]: Path program histogram: [1] [2021-10-28 09:13:57,923 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 09:13:57,935 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 09:13:57 BoogieIcfgContainer [2021-10-28 09:13:57,936 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 09:13:57,937 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 09:13:57,937 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 09:13:57,937 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 09:13:57,938 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:13:44" (3/4) ... [2021-10-28 09:13:57,942 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-28 09:13:57,954 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-10-28 09:13:57,955 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-28 09:13:57,955 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-28 09:13:57,955 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 09:13:57,990 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04b2b4f-f6a9-4a03-9eb5-a90ef83a49de/bin/uautomizer-UnR33cPsHg/witness.graphml [2021-10-28 09:13:57,990 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 09:13:57,992 INFO L168 Benchmark]: Toolchain (without parser) took 16425.81 ms. Allocated memory was 60.8 MB in the beginning and 73.4 MB in the end (delta: 12.6 MB). Free memory was 38.7 MB in the beginning and 50.8 MB in the end (delta: -12.1 MB). Peak memory consumption was 3.0 MB. Max. memory is 16.1 GB. [2021-10-28 09:13:57,993 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 60.8 MB. Free memory is still 40.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:13:57,994 INFO L168 Benchmark]: CACSL2BoogieTranslator took 239.00 ms. Allocated memory is still 60.8 MB. Free memory was 38.6 MB in the beginning and 28.3 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 09:13:57,995 INFO L168 Benchmark]: Boogie Procedure Inliner took 67.97 ms. Allocated memory is still 60.8 MB. Free memory was 28.3 MB in the beginning and 44.5 MB in the end (delta: -16.2 MB). Peak memory consumption was 5.3 MB. Max. memory is 16.1 GB. [2021-10-28 09:13:57,995 INFO L168 Benchmark]: Boogie Preprocessor took 50.48 ms. Allocated memory is still 60.8 MB. Free memory was 44.5 MB in the beginning and 43.4 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:13:57,996 INFO L168 Benchmark]: RCFGBuilder took 2657.64 ms. Allocated memory is still 60.8 MB. Free memory was 43.1 MB in the beginning and 33.9 MB in the end (delta: 9.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 09:13:57,997 INFO L168 Benchmark]: TraceAbstraction took 13344.12 ms. Allocated memory was 60.8 MB in the beginning and 73.4 MB in the end (delta: 12.6 MB). Free memory was 33.5 MB in the beginning and 53.3 MB in the end (delta: -19.9 MB). Peak memory consumption was 10.2 MB. Max. memory is 16.1 GB. [2021-10-28 09:13:57,998 INFO L168 Benchmark]: Witness Printer took 53.81 ms. Allocated memory is still 73.4 MB. Free memory was 53.3 MB in the beginning and 50.8 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:13:58,001 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 60.8 MB. Free memory is still 40.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 239.00 ms. Allocated memory is still 60.8 MB. Free memory was 38.6 MB in the beginning and 28.3 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 67.97 ms. Allocated memory is still 60.8 MB. Free memory was 28.3 MB in the beginning and 44.5 MB in the end (delta: -16.2 MB). Peak memory consumption was 5.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 50.48 ms. Allocated memory is still 60.8 MB. Free memory was 44.5 MB in the beginning and 43.4 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 2657.64 ms. Allocated memory is still 60.8 MB. Free memory was 43.1 MB in the beginning and 33.9 MB in the end (delta: 9.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 13344.12 ms. Allocated memory was 60.8 MB in the beginning and 73.4 MB in the end (delta: 12.6 MB). Free memory was 33.5 MB in the beginning and 53.3 MB in the end (delta: -19.9 MB). Peak memory consumption was 10.2 MB. Max. memory is 16.1 GB. * Witness Printer took 53.81 ms. Allocated memory is still 73.4 MB. Free memory was 53.3 MB in the beginning and 50.8 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 6]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 9 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 13.2s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 4 SDtfs, 4 SDslu, 5 SDs, 0 SdLazy, 2 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9occurred in iteration=0, InterpolantAutomatonStates: 4, 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: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 4 NumberOfFragments, 6 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 8.8s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 204 SizeOfPredicates, 5 NumberOfNonLiveVariables, 29 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 6]: Loop Invariant Derived loop invariant: cond == 1bv32 - InvariantResult [Line: 8]: Loop Invariant Derived loop invariant: cond == 1bv32 RESULT: Ultimate proved your program to be correct! [2021-10-28 09:13:58,199 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04b2b4f-f6a9-4a03-9eb5-a90ef83a49de/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...