./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float11.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_8953d5e1-6ebc-4fa0-ad1b-90e8dfb3a4e7/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_8953d5e1-6ebc-4fa0-ad1b-90e8dfb3a4e7/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_8953d5e1-6ebc-4fa0-ad1b-90e8dfb3a4e7/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_8953d5e1-6ebc-4fa0-ad1b-90e8dfb3a4e7/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float11.c -s /tmp/vcloud-vcloud-master/worker/run_dir_8953d5e1-6ebc-4fa0-ad1b-90e8dfb3a4e7/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_8953d5e1-6ebc-4fa0-ad1b-90e8dfb3a4e7/bin/uautomizer --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 6a6a56042e14a7445bc111b9dad948055cf7a2c8 ................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_8953d5e1-6ebc-4fa0-ad1b-90e8dfb3a4e7/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_8953d5e1-6ebc-4fa0-ad1b-90e8dfb3a4e7/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_8953d5e1-6ebc-4fa0-ad1b-90e8dfb3a4e7/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_8953d5e1-6ebc-4fa0-ad1b-90e8dfb3a4e7/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float11.c -s /tmp/vcloud-vcloud-master/worker/run_dir_8953d5e1-6ebc-4fa0-ad1b-90e8dfb3a4e7/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_8953d5e1-6ebc-4fa0-ad1b-90e8dfb3a4e7/bin/uautomizer --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 6a6a56042e14a7445bc111b9dad948055cf7a2c8 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 22:03:28,574 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 22:03:28,577 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 22:03:28,631 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 22:03:28,632 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 22:03:28,637 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 22:03:28,640 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 22:03:28,647 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 22:03:28,650 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 22:03:28,656 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 22:03:28,670 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 22:03:28,672 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 22:03:28,673 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 22:03:28,677 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 22:03:28,678 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 22:03:28,681 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 22:03:28,682 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 22:03:28,687 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 22:03:28,691 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 22:03:28,697 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 22:03:28,700 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 22:03:28,702 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 22:03:28,704 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 22:03:28,705 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 22:03:28,719 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 22:03:28,720 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 22:03:28,720 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 22:03:28,722 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 22:03:28,723 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 22:03:28,724 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 22:03:28,725 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 22:03:28,727 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 22:03:28,729 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 22:03:28,730 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 22:03:28,731 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 22:03:28,732 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 22:03:28,733 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 22:03:28,733 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 22:03:28,733 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 22:03:28,734 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 22:03:28,735 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 22:03:28,738 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_8953d5e1-6ebc-4fa0-ad1b-90e8dfb3a4e7/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-29 22:03:28,785 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 22:03:28,786 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 22:03:28,788 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 22:03:28,789 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 22:03:28,789 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 22:03:28,789 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 22:03:28,789 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 22:03:28,790 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 22:03:28,790 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 22:03:28,790 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 22:03:28,791 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 22:03:28,791 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 22:03:28,792 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 22:03:28,792 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 22:03:28,792 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 22:03:28,792 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 22:03:28,792 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 22:03:28,793 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 22:03:28,793 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 22:03:28,793 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 22:03:28,793 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 22:03:28,793 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 22:03:28,794 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 22:03:28,794 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 22:03:28,794 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 22:03:28,794 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 22:03:28,795 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 22:03:28,795 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 22:03:28,795 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 22:03:28,795 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-vcloud-master/worker/run_dir_8953d5e1-6ebc-4fa0-ad1b-90e8dfb3a4e7/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_8953d5e1-6ebc-4fa0-ad1b-90e8dfb3a4e7/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6a6a56042e14a7445bc111b9dad948055cf7a2c8 [2020-11-29 22:03:29,051 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 22:03:29,072 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 22:03:29,075 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 22:03:29,076 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 22:03:29,081 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 22:03:29,083 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_8953d5e1-6ebc-4fa0-ad1b-90e8dfb3a4e7/bin/uautomizer/../../sv-benchmarks/c/floats-cbmc-regression/float11.c [2020-11-29 22:03:29,154 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8953d5e1-6ebc-4fa0-ad1b-90e8dfb3a4e7/bin/uautomizer/data/94c275797/a36c2ebf7c624fa1b01c7343960862eb/FLAG09cb4cf3e [2020-11-29 22:03:29,698 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 22:03:29,698 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_8953d5e1-6ebc-4fa0-ad1b-90e8dfb3a4e7/sv-benchmarks/c/floats-cbmc-regression/float11.c [2020-11-29 22:03:29,710 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8953d5e1-6ebc-4fa0-ad1b-90e8dfb3a4e7/bin/uautomizer/data/94c275797/a36c2ebf7c624fa1b01c7343960862eb/FLAG09cb4cf3e [2020-11-29 22:03:30,069 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_8953d5e1-6ebc-4fa0-ad1b-90e8dfb3a4e7/bin/uautomizer/data/94c275797/a36c2ebf7c624fa1b01c7343960862eb [2020-11-29 22:03:30,071 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 22:03:30,072 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 22:03:30,074 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 22:03:30,074 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 22:03:30,078 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 22:03:30,079 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 10:03:30" (1/1) ... [2020-11-29 22:03:30,081 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ad3e44a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:03:30, skipping insertion in model container [2020-11-29 22:03:30,081 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 10:03:30" (1/1) ... [2020-11-29 22:03:30,089 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 22:03:30,104 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 22:03:30,288 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 22:03:30,313 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 22:03:30,334 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 22:03:30,348 INFO L208 MainTranslator]: Completed translation [2020-11-29 22:03:30,348 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:03:30 WrapperNode [2020-11-29 22:03:30,349 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 22:03:30,350 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 22:03:30,350 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 22:03:30,350 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 22:03:30,360 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:03:30" (1/1) ... [2020-11-29 22:03:30,367 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:03:30" (1/1) ... [2020-11-29 22:03:30,390 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 22:03:30,391 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 22:03:30,391 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 22:03:30,391 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 22:03:30,400 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:03:30" (1/1) ... [2020-11-29 22:03:30,400 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:03:30" (1/1) ... [2020-11-29 22:03:30,402 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:03:30" (1/1) ... [2020-11-29 22:03:30,402 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:03:30" (1/1) ... [2020-11-29 22:03:30,409 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:03:30" (1/1) ... [2020-11-29 22:03:30,412 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:03:30" (1/1) ... [2020-11-29 22:03:30,414 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:03:30" (1/1) ... [2020-11-29 22:03:30,417 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 22:03:30,418 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 22:03:30,418 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 22:03:30,419 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 22:03:30,421 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:03:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8953d5e1-6ebc-4fa0-ad1b-90e8dfb3a4e7/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 22:03:30,494 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 22:03:30,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 22:03:30,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 22:03:30,494 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 22:03:30,949 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 22:03:30,949 INFO L298 CfgBuilder]: Removed 64 assume(true) statements. [2020-11-29 22:03:30,951 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 10:03:30 BoogieIcfgContainer [2020-11-29 22:03:30,951 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 22:03:30,953 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 22:03:30,953 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 22:03:30,957 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 22:03:30,957 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 10:03:30" (1/3) ... [2020-11-29 22:03:30,958 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fc74fef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 10:03:30, skipping insertion in model container [2020-11-29 22:03:30,958 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:03:30" (2/3) ... [2020-11-29 22:03:30,958 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fc74fef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 10:03:30, skipping insertion in model container [2020-11-29 22:03:30,958 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 10:03:30" (3/3) ... [2020-11-29 22:03:30,960 INFO L111 eAbstractionObserver]: Analyzing ICFG float11.c [2020-11-29 22:03:30,971 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 22:03:30,975 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 30 error locations. [2020-11-29 22:03:30,987 INFO L253 AbstractCegarLoop]: Starting to check reachability of 30 error locations. [2020-11-29 22:03:31,011 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 22:03:31,012 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 22:03:31,012 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 22:03:31,012 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 22:03:31,012 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 22:03:31,012 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 22:03:31,012 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 22:03:31,012 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 22:03:31,033 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states. [2020-11-29 22:03:31,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-11-29 22:03:31,037 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:03:31,038 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-11-29 22:03:31,039 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:03:31,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:03:31,045 INFO L82 PathProgramCache]: Analyzing trace with hash 925604, now seen corresponding path program 1 times [2020-11-29 22:03:31,052 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:03:31,052 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1521481957] [2020-11-29 22:03:31,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:03:31,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 22:03:31,135 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 22:03:31,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 22:03:31,152 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 22:03:31,171 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 22:03:31,172 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-29 22:03:31,172 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-29 22:03:31,191 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 10:03:31 BoogieIcfgContainer [2020-11-29 22:03:31,191 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 22:03:31,192 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 22:03:31,192 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 22:03:31,192 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 22:03:31,193 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 10:03:30" (3/4) ... [2020-11-29 22:03:31,197 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-29 22:03:31,198 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 22:03:31,202 INFO L168 Benchmark]: Toolchain (without parser) took 1126.36 ms. Allocated memory is still 104.9 MB. Free memory was 75.6 MB in the beginning and 63.4 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.7 MB. Max. memory is 16.1 GB. [2020-11-29 22:03:31,203 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 83.9 MB. Free memory is still 54.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 22:03:31,205 INFO L168 Benchmark]: CACSL2BoogieTranslator took 274.98 ms. Allocated memory is still 104.9 MB. Free memory was 75.4 MB in the beginning and 65.3 MB in the end (delta: 10.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-29 22:03:31,207 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.15 ms. Allocated memory is still 104.9 MB. Free memory was 65.3 MB in the beginning and 63.6 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 22:03:31,208 INFO L168 Benchmark]: Boogie Preprocessor took 26.79 ms. Allocated memory is still 104.9 MB. Free memory was 63.6 MB in the beginning and 62.3 MB in the end (delta: 1.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-29 22:03:31,209 INFO L168 Benchmark]: RCFGBuilder took 533.29 ms. Allocated memory is still 104.9 MB. Free memory was 62.1 MB in the beginning and 76.0 MB in the end (delta: -13.9 MB). Peak memory consumption was 21.1 MB. Max. memory is 16.1 GB. [2020-11-29 22:03:31,210 INFO L168 Benchmark]: TraceAbstraction took 238.12 ms. Allocated memory is still 104.9 MB. Free memory was 75.6 MB in the beginning and 63.8 MB in the end (delta: 11.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-29 22:03:31,211 INFO L168 Benchmark]: Witness Printer took 5.99 ms. Allocated memory is still 104.9 MB. Free memory is still 63.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 22:03:31,224 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 83.9 MB. Free memory is still 54.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 274.98 ms. Allocated memory is still 104.9 MB. Free memory was 75.4 MB in the beginning and 65.3 MB in the end (delta: 10.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 40.15 ms. Allocated memory is still 104.9 MB. Free memory was 65.3 MB in the beginning and 63.6 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 26.79 ms. Allocated memory is still 104.9 MB. Free memory was 63.6 MB in the beginning and 62.3 MB in the end (delta: 1.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 533.29 ms. Allocated memory is still 104.9 MB. Free memory was 62.1 MB in the beginning and 76.0 MB in the end (delta: -13.9 MB). Peak memory consumption was 21.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 238.12 ms. Allocated memory is still 104.9 MB. Free memory was 75.6 MB in the beginning and 63.8 MB in the end (delta: 11.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Witness Printer took 5.99 ms. Allocated memory is still 104.9 MB. Free memory is still 63.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 3]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 7. Possible FailurePath: [L7] COND TRUE !(1.0<2.5) [L3] __assert_fail("0", "float11.c", 3, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 125 locations, 30 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.1s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=125occurred in iteration=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 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-11-29 22:03:33,829 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 22:03:33,833 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 22:03:33,883 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 22:03:33,884 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 22:03:33,889 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 22:03:33,892 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 22:03:33,896 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 22:03:33,900 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 22:03:33,905 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 22:03:33,907 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 22:03:33,914 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 22:03:33,934 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 22:03:33,937 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 22:03:33,939 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 22:03:33,941 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 22:03:33,942 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 22:03:33,946 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 22:03:33,950 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 22:03:33,958 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 22:03:33,966 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 22:03:33,968 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 22:03:33,970 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 22:03:33,972 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 22:03:33,979 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 22:03:33,982 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 22:03:33,983 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 22:03:33,985 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 22:03:33,986 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 22:03:33,987 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 22:03:33,988 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 22:03:33,989 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 22:03:33,991 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 22:03:33,992 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 22:03:33,994 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 22:03:33,994 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 22:03:33,995 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 22:03:33,996 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 22:03:33,996 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 22:03:33,998 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 22:03:33,999 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 22:03:34,001 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_8953d5e1-6ebc-4fa0-ad1b-90e8dfb3a4e7/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-11-29 22:03:34,047 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 22:03:34,047 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 22:03:34,050 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 22:03:34,050 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 22:03:34,051 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 22:03:34,051 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 22:03:34,051 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 22:03:34,052 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 22:03:34,052 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 22:03:34,052 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 22:03:34,053 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 22:03:34,053 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 22:03:34,054 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-29 22:03:34,054 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-29 22:03:34,054 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 22:03:34,054 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 22:03:34,054 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 22:03:34,055 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 22:03:34,055 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 22:03:34,055 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 22:03:34,055 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 22:03:34,056 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 22:03:34,056 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 22:03:34,056 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 22:03:34,056 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 22:03:34,057 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 22:03:34,057 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-11-29 22:03:34,057 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-29 22:03:34,057 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 22:03:34,058 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 22:03:34,058 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-29 22:03:34,058 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-vcloud-master/worker/run_dir_8953d5e1-6ebc-4fa0-ad1b-90e8dfb3a4e7/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_8953d5e1-6ebc-4fa0-ad1b-90e8dfb3a4e7/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6a6a56042e14a7445bc111b9dad948055cf7a2c8 [2020-11-29 22:03:34,498 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 22:03:34,536 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 22:03:34,539 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 22:03:34,541 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 22:03:34,542 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 22:03:34,543 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_8953d5e1-6ebc-4fa0-ad1b-90e8dfb3a4e7/bin/uautomizer/../../sv-benchmarks/c/floats-cbmc-regression/float11.c [2020-11-29 22:03:34,611 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8953d5e1-6ebc-4fa0-ad1b-90e8dfb3a4e7/bin/uautomizer/data/487e7667c/9d681659428f425f9cce3471ea5780a7/FLAGd5aa04a99 [2020-11-29 22:03:35,123 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 22:03:35,124 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_8953d5e1-6ebc-4fa0-ad1b-90e8dfb3a4e7/sv-benchmarks/c/floats-cbmc-regression/float11.c [2020-11-29 22:03:35,134 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8953d5e1-6ebc-4fa0-ad1b-90e8dfb3a4e7/bin/uautomizer/data/487e7667c/9d681659428f425f9cce3471ea5780a7/FLAGd5aa04a99 [2020-11-29 22:03:35,491 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_8953d5e1-6ebc-4fa0-ad1b-90e8dfb3a4e7/bin/uautomizer/data/487e7667c/9d681659428f425f9cce3471ea5780a7 [2020-11-29 22:03:35,494 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 22:03:35,496 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 22:03:35,499 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 22:03:35,499 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 22:03:35,504 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 22:03:35,505 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 10:03:35" (1/1) ... [2020-11-29 22:03:35,510 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57efe70d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:03:35, skipping insertion in model container [2020-11-29 22:03:35,510 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 10:03:35" (1/1) ... [2020-11-29 22:03:35,518 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 22:03:35,540 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 22:03:35,769 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 22:03:35,787 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 22:03:35,831 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 22:03:35,881 INFO L208 MainTranslator]: Completed translation [2020-11-29 22:03:35,881 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:03:35 WrapperNode [2020-11-29 22:03:35,882 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 22:03:35,883 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 22:03:35,883 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 22:03:35,883 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 22:03:35,891 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:03:35" (1/1) ... [2020-11-29 22:03:35,923 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:03:35" (1/1) ... [2020-11-29 22:03:35,948 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 22:03:35,949 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 22:03:35,950 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 22:03:35,950 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 22:03:35,958 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:03:35" (1/1) ... [2020-11-29 22:03:35,958 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:03:35" (1/1) ... [2020-11-29 22:03:35,962 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:03:35" (1/1) ... [2020-11-29 22:03:35,962 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:03:35" (1/1) ... [2020-11-29 22:03:35,974 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:03:35" (1/1) ... [2020-11-29 22:03:35,978 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:03:35" (1/1) ... [2020-11-29 22:03:35,981 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:03:35" (1/1) ... [2020-11-29 22:03:35,985 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 22:03:35,986 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 22:03:35,986 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 22:03:35,987 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 22:03:35,987 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:03:35" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8953d5e1-6ebc-4fa0-ad1b-90e8dfb3a4e7/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 22:03:36,064 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 22:03:36,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 22:03:36,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-29 22:03:36,067 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 22:03:36,684 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 22:03:36,684 INFO L298 CfgBuilder]: Removed 64 assume(true) statements. [2020-11-29 22:03:36,686 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 10:03:36 BoogieIcfgContainer [2020-11-29 22:03:36,689 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 22:03:36,691 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 22:03:36,691 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 22:03:36,694 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 22:03:36,695 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 10:03:35" (1/3) ... [2020-11-29 22:03:36,696 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70b939f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 10:03:36, skipping insertion in model container [2020-11-29 22:03:36,696 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:03:35" (2/3) ... [2020-11-29 22:03:36,697 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70b939f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 10:03:36, skipping insertion in model container [2020-11-29 22:03:36,697 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 10:03:36" (3/3) ... [2020-11-29 22:03:36,699 INFO L111 eAbstractionObserver]: Analyzing ICFG float11.c [2020-11-29 22:03:36,716 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 22:03:36,719 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 30 error locations. [2020-11-29 22:03:36,728 INFO L253 AbstractCegarLoop]: Starting to check reachability of 30 error locations. [2020-11-29 22:03:36,751 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 22:03:36,751 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 22:03:36,751 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 22:03:36,752 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 22:03:36,752 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 22:03:36,752 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 22:03:36,752 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 22:03:36,752 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 22:03:36,774 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states. [2020-11-29 22:03:36,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-11-29 22:03:36,778 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:03:36,779 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-11-29 22:03:36,780 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:03:36,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:03:36,785 INFO L82 PathProgramCache]: Analyzing trace with hash 925604, now seen corresponding path program 1 times [2020-11-29 22:03:36,796 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 22:03:36,797 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [560847024] [2020-11-29 22:03:36,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8953d5e1-6ebc-4fa0-ad1b-90e8dfb3a4e7/bin/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-11-29 22:03:36,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:03:36,853 INFO L263 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 1 conjunts are in the unsatisfiable core [2020-11-29 22:03:36,857 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 22:03:36,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:03:36,872 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 22:03:36,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:03:36,875 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [560847024] [2020-11-29 22:03:36,876 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:03:36,876 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-29 22:03:36,877 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330836245] [2020-11-29 22:03:36,881 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-29 22:03:36,882 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 22:03:36,894 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-29 22:03:36,895 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-29 22:03:36,897 INFO L87 Difference]: Start difference. First operand 125 states. Second operand 2 states. [2020-11-29 22:03:36,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:03:36,916 INFO L93 Difference]: Finished difference Result 157 states and 214 transitions. [2020-11-29 22:03:36,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-29 22:03:36,918 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 4 [2020-11-29 22:03:36,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:03:36,924 INFO L225 Difference]: With dead ends: 157 [2020-11-29 22:03:36,924 INFO L226 Difference]: Without dead ends: 0 [2020-11-29 22:03:36,928 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-29 22:03:36,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-29 22:03:36,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-29 22:03:36,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-29 22:03:36,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-29 22:03:36,948 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 4 [2020-11-29 22:03:36,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:03:36,948 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 22:03:36,948 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-29 22:03:36,949 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-29 22:03:36,949 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 22:03:37,150 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-29 22:03:37,153 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-29 22:03:37,156 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-29 22:03:37,157 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-29 22:03:37,157 INFO L274 CegarLoopResult]: For program point L19-1(lines 5 42) no Hoare annotation was computed. [2020-11-29 22:03:37,157 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-29 22:03:37,157 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-29 22:03:37,157 INFO L274 CegarLoopResult]: For program point L36-1(lines 5 42) no Hoare annotation was computed. [2020-11-29 22:03:37,157 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-29 22:03:37,157 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-29 22:03:37,158 INFO L274 CegarLoopResult]: For program point L3-3(line 3) no Hoare annotation was computed. [2020-11-29 22:03:37,158 INFO L274 CegarLoopResult]: For program point L3-4(line 3) no Hoare annotation was computed. [2020-11-29 22:03:37,158 INFO L274 CegarLoopResult]: For program point L3-5(line 3) no Hoare annotation was computed. [2020-11-29 22:03:37,158 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-29 22:03:37,158 INFO L274 CegarLoopResult]: For program point L3-6(line 3) no Hoare annotation was computed. [2020-11-29 22:03:37,158 INFO L274 CegarLoopResult]: For program point L3-7(line 3) no Hoare annotation was computed. [2020-11-29 22:03:37,158 INFO L274 CegarLoopResult]: For program point L3-8(line 3) no Hoare annotation was computed. [2020-11-29 22:03:37,158 INFO L274 CegarLoopResult]: For program point L3-9(line 3) no Hoare annotation was computed. [2020-11-29 22:03:37,159 INFO L274 CegarLoopResult]: For program point L3-10(line 3) no Hoare annotation was computed. [2020-11-29 22:03:37,159 INFO L274 CegarLoopResult]: For program point L3-11(line 3) no Hoare annotation was computed. [2020-11-29 22:03:37,159 INFO L274 CegarLoopResult]: For program point L3-12(line 3) no Hoare annotation was computed. [2020-11-29 22:03:37,159 INFO L274 CegarLoopResult]: For program point L3-13(line 3) no Hoare annotation was computed. [2020-11-29 22:03:37,159 INFO L274 CegarLoopResult]: For program point L3-14(line 3) no Hoare annotation was computed. [2020-11-29 22:03:37,159 INFO L274 CegarLoopResult]: For program point L3-15(line 3) no Hoare annotation was computed. [2020-11-29 22:03:37,159 INFO L274 CegarLoopResult]: For program point L3-16(line 3) no Hoare annotation was computed. [2020-11-29 22:03:37,159 INFO L274 CegarLoopResult]: For program point L20-1(lines 5 42) no Hoare annotation was computed. [2020-11-29 22:03:37,159 INFO L274 CegarLoopResult]: For program point L3-17(line 3) no Hoare annotation was computed. [2020-11-29 22:03:37,160 INFO L274 CegarLoopResult]: For program point L3-18(line 3) no Hoare annotation was computed. [2020-11-29 22:03:37,160 INFO L274 CegarLoopResult]: For program point L3-19(line 3) no Hoare annotation was computed. [2020-11-29 22:03:37,160 INFO L274 CegarLoopResult]: For program point L3-20(line 3) no Hoare annotation was computed. [2020-11-29 22:03:37,160 INFO L274 CegarLoopResult]: For program point L3-21(line 3) no Hoare annotation was computed. [2020-11-29 22:03:37,160 INFO L274 CegarLoopResult]: For program point L3-22(line 3) no Hoare annotation was computed. [2020-11-29 22:03:37,160 INFO L274 CegarLoopResult]: For program point L3-23(line 3) no Hoare annotation was computed. [2020-11-29 22:03:37,160 INFO L274 CegarLoopResult]: For program point L3-24(line 3) no Hoare annotation was computed. [2020-11-29 22:03:37,160 INFO L274 CegarLoopResult]: For program point L3-25(line 3) no Hoare annotation was computed. [2020-11-29 22:03:37,161 INFO L274 CegarLoopResult]: For program point L3-26(line 3) no Hoare annotation was computed. [2020-11-29 22:03:37,161 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-29 22:03:37,161 INFO L274 CegarLoopResult]: For program point L3-27(line 3) no Hoare annotation was computed. [2020-11-29 22:03:37,161 INFO L274 CegarLoopResult]: For program point L3-28(line 3) no Hoare annotation was computed. [2020-11-29 22:03:37,161 INFO L274 CegarLoopResult]: For program point L3-29(line 3) no Hoare annotation was computed. [2020-11-29 22:03:37,161 INFO L274 CegarLoopResult]: For program point L3-30(line 3) no Hoare annotation was computed. [2020-11-29 22:03:37,161 INFO L274 CegarLoopResult]: For program point L3-31(line 3) no Hoare annotation was computed. [2020-11-29 22:03:37,161 INFO L274 CegarLoopResult]: For program point L4(lines 4 42) no Hoare annotation was computed. [2020-11-29 22:03:37,162 INFO L274 CegarLoopResult]: For program point L3-32(line 3) no Hoare annotation was computed. [2020-11-29 22:03:37,162 INFO L274 CegarLoopResult]: For program point L3-33(line 3) no Hoare annotation was computed. [2020-11-29 22:03:37,162 INFO L274 CegarLoopResult]: For program point L3-34(line 3) no Hoare annotation was computed. [2020-11-29 22:03:37,162 INFO L274 CegarLoopResult]: For program point L3-35(line 3) no Hoare annotation was computed. [2020-11-29 22:03:37,162 INFO L274 CegarLoopResult]: For program point L3-36(line 3) no Hoare annotation was computed. [2020-11-29 22:03:37,162 INFO L274 CegarLoopResult]: For program point L3-37(line 3) no Hoare annotation was computed. [2020-11-29 22:03:37,162 INFO L274 CegarLoopResult]: For program point L3-38(line 3) no Hoare annotation was computed. [2020-11-29 22:03:37,163 INFO L274 CegarLoopResult]: For program point L3-39(line 3) no Hoare annotation was computed. [2020-11-29 22:03:37,163 INFO L274 CegarLoopResult]: For program point L3-40(line 3) no Hoare annotation was computed. [2020-11-29 22:03:37,163 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-29 22:03:37,163 INFO L274 CegarLoopResult]: For program point L3-41(line 3) no Hoare annotation was computed. [2020-11-29 22:03:37,163 INFO L274 CegarLoopResult]: For program point L3-42(line 3) no Hoare annotation was computed. [2020-11-29 22:03:37,163 INFO L274 CegarLoopResult]: For program point L3-43(line 3) no Hoare annotation was computed. [2020-11-29 22:03:37,163 INFO L274 CegarLoopResult]: For program point L3-44(line 3) no Hoare annotation was computed. [2020-11-29 22:03:37,163 INFO L274 CegarLoopResult]: For program point L3-45(line 3) no Hoare annotation was computed. [2020-11-29 22:03:37,164 INFO L274 CegarLoopResult]: For program point L3-46(line 3) no Hoare annotation was computed. [2020-11-29 22:03:37,164 INFO L274 CegarLoopResult]: For program point L21-1(lines 5 42) no Hoare annotation was computed. [2020-11-29 22:03:37,164 INFO L274 CegarLoopResult]: For program point L3-47(line 3) no Hoare annotation was computed. [2020-11-29 22:03:37,164 INFO L274 CegarLoopResult]: For program point L3-48(line 3) no Hoare annotation was computed. [2020-11-29 22:03:37,164 INFO L274 CegarLoopResult]: For program point L3-49(line 3) no Hoare annotation was computed. [2020-11-29 22:03:37,164 INFO L274 CegarLoopResult]: For program point L3-50(line 3) no Hoare annotation was computed. [2020-11-29 22:03:37,164 INFO L274 CegarLoopResult]: For program point L3-51(line 3) no Hoare annotation was computed. [2020-11-29 22:03:37,164 INFO L274 CegarLoopResult]: For program point L3-52(line 3) no Hoare annotation was computed. [2020-11-29 22:03:37,164 INFO L274 CegarLoopResult]: For program point L3-53(line 3) no Hoare annotation was computed. [2020-11-29 22:03:37,165 INFO L274 CegarLoopResult]: For program point L3-54(line 3) no Hoare annotation was computed. [2020-11-29 22:03:37,165 INFO L274 CegarLoopResult]: For program point L3-55(line 3) no Hoare annotation was computed. [2020-11-29 22:03:37,165 INFO L274 CegarLoopResult]: For program point L3-56(line 3) no Hoare annotation was computed. [2020-11-29 22:03:37,165 INFO L274 CegarLoopResult]: For program point L3-57(line 3) no Hoare annotation was computed. [2020-11-29 22:03:37,165 INFO L274 CegarLoopResult]: For program point L3-58(line 3) no Hoare annotation was computed. [2020-11-29 22:03:37,165 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-29 22:03:37,165 INFO L274 CegarLoopResult]: For program point L3-59(line 3) no Hoare annotation was computed. [2020-11-29 22:03:37,165 INFO L274 CegarLoopResult]: For program point L38-1(lines 5 42) no Hoare annotation was computed. [2020-11-29 22:03:37,166 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-29 22:03:37,166 INFO L274 CegarLoopResult]: For program point L22-1(lines 5 42) no Hoare annotation was computed. [2020-11-29 22:03:37,166 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-29 22:03:37,166 INFO L274 CegarLoopResult]: For program point L39-1(lines 5 42) no Hoare annotation was computed. [2020-11-29 22:03:37,166 INFO L274 CegarLoopResult]: For program point L23-1(lines 5 42) no Hoare annotation was computed. [2020-11-29 22:03:37,166 INFO L274 CegarLoopResult]: For program point L7(line 7) no Hoare annotation was computed. [2020-11-29 22:03:37,166 INFO L274 CegarLoopResult]: For program point L40-1(lines 5 42) no Hoare annotation was computed. [2020-11-29 22:03:37,166 INFO L274 CegarLoopResult]: For program point L7-2(lines 5 42) no Hoare annotation was computed. [2020-11-29 22:03:37,167 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-29 22:03:37,167 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-29 22:03:37,167 INFO L274 CegarLoopResult]: For program point L24-1(lines 5 42) no Hoare annotation was computed. [2020-11-29 22:03:37,167 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-29 22:03:37,167 INFO L274 CegarLoopResult]: For program point L8-1(lines 5 42) no Hoare annotation was computed. [2020-11-29 22:03:37,167 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-29 22:03:37,167 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-29 22:03:37,168 INFO L274 CegarLoopResult]: For program point L25-1(lines 5 42) no Hoare annotation was computed. [2020-11-29 22:03:37,168 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-29 22:03:37,168 INFO L274 CegarLoopResult]: For program point L9-1(lines 5 42) no Hoare annotation was computed. [2020-11-29 22:03:37,168 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-29 22:03:37,168 INFO L274 CegarLoopResult]: For program point L26-1(lines 5 42) no Hoare annotation was computed. [2020-11-29 22:03:37,168 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-29 22:03:37,168 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-29 22:03:37,168 INFO L274 CegarLoopResult]: For program point L10-1(lines 5 42) no Hoare annotation was computed. [2020-11-29 22:03:37,169 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-29 22:03:37,169 INFO L274 CegarLoopResult]: For program point L11-1(lines 5 42) no Hoare annotation was computed. [2020-11-29 22:03:37,169 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-29 22:03:37,169 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-29 22:03:37,169 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-29 22:03:37,169 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-29 22:03:37,169 INFO L274 CegarLoopResult]: For program point L12-1(lines 5 42) no Hoare annotation was computed. [2020-11-29 22:03:37,170 INFO L274 CegarLoopResult]: For program point L29-1(lines 5 42) no Hoare annotation was computed. [2020-11-29 22:03:37,170 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-29 22:03:37,170 INFO L274 CegarLoopResult]: For program point L13-1(lines 5 42) no Hoare annotation was computed. [2020-11-29 22:03:37,170 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-29 22:03:37,170 INFO L274 CegarLoopResult]: For program point L30-1(lines 5 42) no Hoare annotation was computed. [2020-11-29 22:03:37,176 INFO L274 CegarLoopResult]: For program point L14-1(lines 5 42) no Hoare annotation was computed. [2020-11-29 22:03:37,177 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-29 22:03:37,177 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-29 22:03:37,177 INFO L274 CegarLoopResult]: For program point L31-1(lines 5 42) no Hoare annotation was computed. [2020-11-29 22:03:37,177 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-29 22:03:37,177 INFO L274 CegarLoopResult]: For program point L15-1(lines 5 42) no Hoare annotation was computed. [2020-11-29 22:03:37,177 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-29 22:03:37,177 INFO L274 CegarLoopResult]: For program point L32-1(lines 5 42) no Hoare annotation was computed. [2020-11-29 22:03:37,178 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-29 22:03:37,178 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-29 22:03:37,178 INFO L274 CegarLoopResult]: For program point L33-1(lines 5 42) no Hoare annotation was computed. [2020-11-29 22:03:37,178 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-29 22:03:37,178 INFO L274 CegarLoopResult]: For program point L34-1(lines 5 42) no Hoare annotation was computed. [2020-11-29 22:03:37,178 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-29 22:03:37,178 INFO L274 CegarLoopResult]: For program point L18-1(lines 5 42) no Hoare annotation was computed. [2020-11-29 22:03:37,179 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-29 22:03:37,179 INFO L274 CegarLoopResult]: For program point L35-1(lines 5 42) no Hoare annotation was computed. [2020-11-29 22:03:37,193 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 10:03:37 BoogieIcfgContainer [2020-11-29 22:03:37,195 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 22:03:37,197 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 22:03:37,197 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 22:03:37,197 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 22:03:37,198 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 10:03:36" (3/4) ... [2020-11-29 22:03:37,200 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-29 22:03:37,214 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2020-11-29 22:03:37,214 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-29 22:03:37,215 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 22:03:37,215 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 22:03:37,298 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_8953d5e1-6ebc-4fa0-ad1b-90e8dfb3a4e7/bin/uautomizer/witness.graphml [2020-11-29 22:03:37,298 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 22:03:37,300 INFO L168 Benchmark]: Toolchain (without parser) took 1803.26 ms. Allocated memory was 58.7 MB in the beginning and 81.8 MB in the end (delta: 23.1 MB). Free memory was 38.5 MB in the beginning and 58.8 MB in the end (delta: -20.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 16.1 GB. [2020-11-29 22:03:37,301 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 58.7 MB. Free memory was 40.7 MB in the beginning and 40.6 MB in the end (delta: 39.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 22:03:37,302 INFO L168 Benchmark]: CACSL2BoogieTranslator took 382.84 ms. Allocated memory was 58.7 MB in the beginning and 81.8 MB in the end (delta: 23.1 MB). Free memory was 38.3 MB in the beginning and 66.4 MB in the end (delta: -28.1 MB). Peak memory consumption was 14.1 MB. Max. memory is 16.1 GB. [2020-11-29 22:03:37,302 INFO L168 Benchmark]: Boogie Procedure Inliner took 65.93 ms. Allocated memory is still 81.8 MB. Free memory was 66.4 MB in the beginning and 64.5 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 22:03:37,303 INFO L168 Benchmark]: Boogie Preprocessor took 36.10 ms. Allocated memory is still 81.8 MB. Free memory was 64.5 MB in the beginning and 62.7 MB in the end (delta: 1.8 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 22:03:37,303 INFO L168 Benchmark]: RCFGBuilder took 703.14 ms. Allocated memory is still 81.8 MB. Free memory was 62.7 MB in the beginning and 61.3 MB in the end (delta: 1.4 MB). Peak memory consumption was 24.1 MB. Max. memory is 16.1 GB. [2020-11-29 22:03:37,304 INFO L168 Benchmark]: TraceAbstraction took 503.94 ms. Allocated memory is still 81.8 MB. Free memory was 61.0 MB in the beginning and 63.4 MB in the end (delta: -2.4 MB). Peak memory consumption was 21.7 MB. Max. memory is 16.1 GB. [2020-11-29 22:03:37,304 INFO L168 Benchmark]: Witness Printer took 100.95 ms. Allocated memory is still 81.8 MB. Free memory was 63.4 MB in the beginning and 58.8 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-29 22:03:37,307 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 58.7 MB. Free memory was 40.7 MB in the beginning and 40.6 MB in the end (delta: 39.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 382.84 ms. Allocated memory was 58.7 MB in the beginning and 81.8 MB in the end (delta: 23.1 MB). Free memory was 38.3 MB in the beginning and 66.4 MB in the end (delta: -28.1 MB). Peak memory consumption was 14.1 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 65.93 ms. Allocated memory is still 81.8 MB. Free memory was 66.4 MB in the beginning and 64.5 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 36.10 ms. Allocated memory is still 81.8 MB. Free memory was 64.5 MB in the beginning and 62.7 MB in the end (delta: 1.8 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 703.14 ms. Allocated memory is still 81.8 MB. Free memory was 62.7 MB in the beginning and 61.3 MB in the end (delta: 1.4 MB). Peak memory consumption was 24.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 503.94 ms. Allocated memory is still 81.8 MB. Free memory was 61.0 MB in the beginning and 63.4 MB in the end (delta: -2.4 MB). Peak memory consumption was 21.7 MB. Max. memory is 16.1 GB. * Witness Printer took 100.95 ms. Allocated memory is still 81.8 MB. Free memory was 63.4 MB in the beginning and 58.8 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 30 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 125 locations, 30 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 34 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=125occurred in iteration=0, 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, 0 LocationsWithAnnotation, 0 PreInvPairs, 0 NumberOfFragments, 0 HoareAnnotationTreeSize, 0 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 0 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 18 SizeOfPredicates, 0 NumberOfNonLiveVariables, 25 ConjunctsInSsa, 1 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 RESULT: Ultimate proved your program to be correct! Received shutdown request...