./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float6.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_0e7e0541-c01c-4e9f-93f4-7e7e65d54e1d/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_0e7e0541-c01c-4e9f-93f4-7e7e65d54e1d/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_0e7e0541-c01c-4e9f-93f4-7e7e65d54e1d/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_0e7e0541-c01c-4e9f-93f4-7e7e65d54e1d/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float6.c -s /tmp/vcloud-vcloud-master/worker/run_dir_0e7e0541-c01c-4e9f-93f4-7e7e65d54e1d/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_0e7e0541-c01c-4e9f-93f4-7e7e65d54e1d/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ca8cf78b853c91fd1bab039a3932b7542b32ac23 .................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_0e7e0541-c01c-4e9f-93f4-7e7e65d54e1d/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_0e7e0541-c01c-4e9f-93f4-7e7e65d54e1d/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_0e7e0541-c01c-4e9f-93f4-7e7e65d54e1d/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_0e7e0541-c01c-4e9f-93f4-7e7e65d54e1d/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float6.c -s /tmp/vcloud-vcloud-master/worker/run_dir_0e7e0541-c01c-4e9f-93f4-7e7e65d54e1d/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_0e7e0541-c01c-4e9f-93f4-7e7e65d54e1d/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ca8cf78b853c91fd1bab039a3932b7542b32ac23 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-25 08:45:45,973 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 08:45:45,975 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 08:45:45,991 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 08:45:45,992 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 08:45:45,993 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 08:45:45,995 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 08:45:46,007 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 08:45:46,011 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 08:45:46,013 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 08:45:46,015 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 08:45:46,016 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 08:45:46,017 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 08:45:46,020 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 08:45:46,021 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 08:45:46,023 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 08:45:46,024 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 08:45:46,026 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 08:45:46,028 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 08:45:46,032 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 08:45:46,033 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 08:45:46,034 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 08:45:46,036 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 08:45:46,036 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 08:45:46,039 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 08:45:46,039 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 08:45:46,039 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 08:45:46,040 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 08:45:46,041 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 08:45:46,042 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 08:45:46,042 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 08:45:46,042 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 08:45:46,043 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 08:45:46,044 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 08:45:46,045 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 08:45:46,045 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 08:45:46,045 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 08:45:46,046 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 08:45:46,046 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 08:45:46,047 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 08:45:46,047 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 08:45:46,048 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_0e7e0541-c01c-4e9f-93f4-7e7e65d54e1d/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 08:45:46,061 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 08:45:46,061 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 08:45:46,062 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 08:45:46,062 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 08:45:46,063 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 08:45:46,063 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 08:45:46,063 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 08:45:46,063 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 08:45:46,064 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 08:45:46,064 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 08:45:46,064 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 08:45:46,064 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 08:45:46,065 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 08:45:46,065 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 08:45:46,070 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 08:45:46,070 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 08:45:46,070 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 08:45:46,070 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 08:45:46,071 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 08:45:46,071 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 08:45:46,071 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 08:45:46,071 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 08:45:46,071 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 08:45:46,072 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 08:45:46,072 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 08:45:46,072 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 08:45:46,072 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 08:45:46,072 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 08:45:46,073 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_0e7e0541-c01c-4e9f-93f4-7e7e65d54e1d/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(__VERIFIER_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 -> ca8cf78b853c91fd1bab039a3932b7542b32ac23 [2019-11-25 08:45:46,214 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 08:45:46,226 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 08:45:46,229 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 08:45:46,237 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 08:45:46,237 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 08:45:46,238 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_0e7e0541-c01c-4e9f-93f4-7e7e65d54e1d/bin/uautomizer/../../sv-benchmarks/c/floats-cbmc-regression/float6.c [2019-11-25 08:45:46,299 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0e7e0541-c01c-4e9f-93f4-7e7e65d54e1d/bin/uautomizer/data/ab0993fa6/15156e6308d44a578cee0babab7d70e0/FLAG22c3f9d8c [2019-11-25 08:45:46,690 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 08:45:46,690 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_0e7e0541-c01c-4e9f-93f4-7e7e65d54e1d/sv-benchmarks/c/floats-cbmc-regression/float6.c [2019-11-25 08:45:46,700 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0e7e0541-c01c-4e9f-93f4-7e7e65d54e1d/bin/uautomizer/data/ab0993fa6/15156e6308d44a578cee0babab7d70e0/FLAG22c3f9d8c [2019-11-25 08:45:46,711 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_0e7e0541-c01c-4e9f-93f4-7e7e65d54e1d/bin/uautomizer/data/ab0993fa6/15156e6308d44a578cee0babab7d70e0 [2019-11-25 08:45:46,714 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 08:45:46,715 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-25 08:45:46,716 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 08:45:46,716 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 08:45:46,719 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 08:45:46,720 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:45:46" (1/1) ... [2019-11-25 08:45:46,722 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68ff7129 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:45:46, skipping insertion in model container [2019-11-25 08:45:46,723 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:45:46" (1/1) ... [2019-11-25 08:45:46,729 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 08:45:46,743 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-25 08:45:46,955 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:45:46,960 INFO L201 MainTranslator]: Completed pre-run [2019-11-25 08:45:46,984 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:45:46,997 INFO L205 MainTranslator]: Completed translation [2019-11-25 08:45:46,997 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:45:46 WrapperNode [2019-11-25 08:45:46,997 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 08:45:46,998 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 08:45:46,998 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 08:45:46,999 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 08:45:47,007 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:45:46" (1/1) ... [2019-11-25 08:45:47,013 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:45:46" (1/1) ... [2019-11-25 08:45:47,031 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 08:45:47,032 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 08:45:47,032 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 08:45:47,032 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 08:45:47,040 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:45:46" (1/1) ... [2019-11-25 08:45:47,040 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:45:46" (1/1) ... [2019-11-25 08:45:47,041 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:45:46" (1/1) ... [2019-11-25 08:45:47,041 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:45:46" (1/1) ... [2019-11-25 08:45:47,046 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:45:46" (1/1) ... [2019-11-25 08:45:47,050 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:45:46" (1/1) ... [2019-11-25 08:45:47,052 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:45:46" (1/1) ... [2019-11-25 08:45:47,054 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 08:45:47,054 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-25 08:45:47,055 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-25 08:45:47,055 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-25 08:45:47,062 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:45:46" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0e7e0541-c01c-4e9f-93f4-7e7e65d54e1d/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 [2019-11-25 08:45:47,126 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-25 08:45:47,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-25 08:45:47,468 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-25 08:45:47,469 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-25 08:45:47,470 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:45:47 BoogieIcfgContainer [2019-11-25 08:45:47,470 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-25 08:45:47,471 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-25 08:45:47,471 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-25 08:45:47,475 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-25 08:45:47,475 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 08:45:46" (1/3) ... [2019-11-25 08:45:47,476 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26d2d35d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:45:47, skipping insertion in model container [2019-11-25 08:45:47,476 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:45:46" (2/3) ... [2019-11-25 08:45:47,477 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26d2d35d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:45:47, skipping insertion in model container [2019-11-25 08:45:47,477 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:45:47" (3/3) ... [2019-11-25 08:45:47,479 INFO L109 eAbstractionObserver]: Analyzing ICFG float6.c [2019-11-25 08:45:47,487 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-25 08:45:47,507 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 36 error locations. [2019-11-25 08:45:47,527 INFO L249 AbstractCegarLoop]: Starting to check reachability of 36 error locations. [2019-11-25 08:45:47,572 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-25 08:45:47,573 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-25 08:45:47,573 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-25 08:45:47,573 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-25 08:45:47,573 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-25 08:45:47,573 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-25 08:45:47,573 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-25 08:45:47,574 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-25 08:45:47,620 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states. [2019-11-25 08:45:47,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-11-25 08:45:47,627 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:45:47,628 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-11-25 08:45:47,629 INFO L410 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.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_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.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:45:47,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:45:47,635 INFO L82 PathProgramCache]: Analyzing trace with hash 30881, now seen corresponding path program 1 times [2019-11-25 08:45:47,643 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:45:47,643 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219325401] [2019-11-25 08:45:47,643 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:45:47,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:45:47,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:45:47,748 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:45:47,748 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-25 08:45:47,759 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 08:45:47 BoogieIcfgContainer [2019-11-25 08:45:47,759 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-25 08:45:47,762 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-25 08:45:47,762 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-25 08:45:47,762 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-25 08:45:47,763 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:45:47" (3/4) ... [2019-11-25 08:45:47,767 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-25 08:45:47,767 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-25 08:45:47,771 INFO L168 Benchmark]: Toolchain (without parser) took 1053.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -146.3 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:45:47,772 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:45:47,773 INFO L168 Benchmark]: CACSL2BoogieTranslator took 281.78 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -191.5 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. [2019-11-25 08:45:47,773 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.47 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:45:47,778 INFO L168 Benchmark]: Boogie Preprocessor took 22.36 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-25 08:45:47,778 INFO L168 Benchmark]: RCFGBuilder took 415.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 29.1 MB). Peak memory consumption was 29.1 MB. Max. memory is 11.5 GB. [2019-11-25 08:45:47,779 INFO L168 Benchmark]: TraceAbstraction took 290.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-25 08:45:47,780 INFO L168 Benchmark]: Witness Printer took 5.53 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:45:47,789 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 281.78 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -191.5 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 33.47 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.36 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 415.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 29.1 MB). Peak memory consumption was 29.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 290.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Witness Printer took 5.53 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 7]: 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!=2.0) [L7] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 113 locations, 36 error locations. Result: UNSAFE, OverallTime: 0.1s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=113occurred 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, 3 NumberOfCodeBlocks, 3 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, 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 0.1.24-6b5699a [2019-11-25 08:45:49,703 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 08:45:49,704 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 08:45:49,721 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 08:45:49,722 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 08:45:49,723 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 08:45:49,725 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 08:45:49,736 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 08:45:49,740 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 08:45:49,743 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 08:45:49,744 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 08:45:49,746 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 08:45:49,747 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 08:45:49,749 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 08:45:49,750 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 08:45:49,751 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 08:45:49,753 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 08:45:49,755 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 08:45:49,758 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 08:45:49,761 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 08:45:49,765 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 08:45:49,769 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 08:45:49,770 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 08:45:49,772 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 08:45:49,775 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 08:45:49,776 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 08:45:49,776 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 08:45:49,777 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 08:45:49,778 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 08:45:49,780 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 08:45:49,781 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 08:45:49,782 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 08:45:49,782 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 08:45:49,783 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 08:45:49,784 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 08:45:49,784 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 08:45:49,785 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 08:45:49,786 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 08:45:49,786 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 08:45:49,787 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 08:45:49,788 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 08:45:49,789 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_0e7e0541-c01c-4e9f-93f4-7e7e65d54e1d/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-25 08:45:49,826 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 08:45:49,826 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 08:45:49,827 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 08:45:49,828 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 08:45:49,828 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 08:45:49,828 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 08:45:49,829 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 08:45:49,829 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 08:45:49,829 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 08:45:49,829 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 08:45:49,830 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 08:45:49,830 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 08:45:49,830 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-25 08:45:49,830 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 08:45:49,831 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 08:45:49,831 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 08:45:49,831 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 08:45:49,831 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 08:45:49,832 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 08:45:49,832 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 08:45:49,832 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 08:45:49,832 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 08:45:49,834 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 08:45:49,834 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 08:45:49,835 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 08:45:49,835 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 08:45:49,835 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 08:45:49,835 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 08:45:49,836 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 08:45:49,836 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 08:45:49,836 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 08:45:49,837 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_0e7e0541-c01c-4e9f-93f4-7e7e65d54e1d/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(__VERIFIER_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 -> ca8cf78b853c91fd1bab039a3932b7542b32ac23 [2019-11-25 08:45:50,153 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 08:45:50,164 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 08:45:50,167 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 08:45:50,168 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 08:45:50,169 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 08:45:50,169 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_0e7e0541-c01c-4e9f-93f4-7e7e65d54e1d/bin/uautomizer/../../sv-benchmarks/c/floats-cbmc-regression/float6.c [2019-11-25 08:45:50,220 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0e7e0541-c01c-4e9f-93f4-7e7e65d54e1d/bin/uautomizer/data/374952f64/0185f53d6dc44c89a79d2e0616199548/FLAG3fe2f4a5b [2019-11-25 08:45:50,606 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 08:45:50,607 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_0e7e0541-c01c-4e9f-93f4-7e7e65d54e1d/sv-benchmarks/c/floats-cbmc-regression/float6.c [2019-11-25 08:45:50,619 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0e7e0541-c01c-4e9f-93f4-7e7e65d54e1d/bin/uautomizer/data/374952f64/0185f53d6dc44c89a79d2e0616199548/FLAG3fe2f4a5b [2019-11-25 08:45:50,631 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_0e7e0541-c01c-4e9f-93f4-7e7e65d54e1d/bin/uautomizer/data/374952f64/0185f53d6dc44c89a79d2e0616199548 [2019-11-25 08:45:50,634 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 08:45:50,635 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-25 08:45:50,642 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 08:45:50,642 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 08:45:50,646 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 08:45:50,647 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:45:50" (1/1) ... [2019-11-25 08:45:50,649 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d56a5fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:45:50, skipping insertion in model container [2019-11-25 08:45:50,649 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:45:50" (1/1) ... [2019-11-25 08:45:50,657 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 08:45:50,686 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-25 08:45:50,839 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:45:50,845 INFO L201 MainTranslator]: Completed pre-run [2019-11-25 08:45:50,877 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:45:50,894 INFO L205 MainTranslator]: Completed translation [2019-11-25 08:45:50,895 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:45:50 WrapperNode [2019-11-25 08:45:50,895 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 08:45:50,896 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 08:45:50,896 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 08:45:50,897 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 08:45:50,996 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:45:50" (1/1) ... [2019-11-25 08:45:51,012 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:45:50" (1/1) ... [2019-11-25 08:45:51,042 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 08:45:51,043 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 08:45:51,043 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 08:45:51,043 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 08:45:51,052 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:45:50" (1/1) ... [2019-11-25 08:45:51,052 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:45:50" (1/1) ... [2019-11-25 08:45:51,056 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:45:50" (1/1) ... [2019-11-25 08:45:51,057 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:45:50" (1/1) ... [2019-11-25 08:45:51,070 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:45:50" (1/1) ... [2019-11-25 08:45:51,073 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:45:50" (1/1) ... [2019-11-25 08:45:51,080 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:45:50" (1/1) ... [2019-11-25 08:45:51,083 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 08:45:51,084 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-25 08:45:51,084 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-25 08:45:51,084 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-25 08:45:51,089 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:45:50" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0e7e0541-c01c-4e9f-93f4-7e7e65d54e1d/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 [2019-11-25 08:45:51,141 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-25 08:45:51,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-25 08:45:51,560 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-25 08:45:51,560 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-25 08:45:51,561 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:45:51 BoogieIcfgContainer [2019-11-25 08:45:51,561 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-25 08:45:51,562 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-25 08:45:51,562 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-25 08:45:51,565 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-25 08:45:51,565 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 08:45:50" (1/3) ... [2019-11-25 08:45:51,566 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cad1451 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:45:51, skipping insertion in model container [2019-11-25 08:45:51,566 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:45:50" (2/3) ... [2019-11-25 08:45:51,567 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cad1451 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:45:51, skipping insertion in model container [2019-11-25 08:45:51,567 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:45:51" (3/3) ... [2019-11-25 08:45:51,568 INFO L109 eAbstractionObserver]: Analyzing ICFG float6.c [2019-11-25 08:45:51,575 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-25 08:45:51,580 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 36 error locations. [2019-11-25 08:45:51,590 INFO L249 AbstractCegarLoop]: Starting to check reachability of 36 error locations. [2019-11-25 08:45:51,614 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-25 08:45:51,615 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-25 08:45:51,615 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-25 08:45:51,615 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-25 08:45:51,615 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-25 08:45:51,615 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-25 08:45:51,615 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-25 08:45:51,615 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-25 08:45:51,637 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states. [2019-11-25 08:45:51,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-11-25 08:45:51,642 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:45:51,643 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-11-25 08:45:51,644 INFO L410 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.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_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.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:45:51,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:45:51,649 INFO L82 PathProgramCache]: Analyzing trace with hash 925604, now seen corresponding path program 1 times [2019-11-25 08:45:51,656 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 08:45:51,656 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [489122568] [2019-11-25 08:45:51,656 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0e7e0541-c01c-4e9f-93f4-7e7e65d54e1d/bin/uautomizer/cvc4 Starting monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-25 08:45:51,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:45:51,708 INFO L255 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 1 conjunts are in the unsatisfiable core [2019-11-25 08:45:51,712 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:45:51,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:45:51,728 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-25 08:45:51,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:45:51,731 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [489122568] [2019-11-25 08:45:51,732 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:45:51,732 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-25 08:45:51,733 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405699981] [2019-11-25 08:45:51,736 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-25 08:45:51,736 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-25 08:45:51,745 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-25 08:45:51,745 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-25 08:45:51,747 INFO L87 Difference]: Start difference. First operand 114 states. Second operand 2 states. [2019-11-25 08:45:51,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:45:51,769 INFO L93 Difference]: Finished difference Result 181 states and 250 transitions. [2019-11-25 08:45:51,769 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-25 08:45:51,770 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 4 [2019-11-25 08:45:51,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:45:51,780 INFO L225 Difference]: With dead ends: 181 [2019-11-25 08:45:51,780 INFO L226 Difference]: Without dead ends: 67 [2019-11-25 08:45:51,784 INFO L630 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 [2019-11-25 08:45:51,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2019-11-25 08:45:51,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2019-11-25 08:45:51,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2019-11-25 08:45:51,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 66 transitions. [2019-11-25 08:45:51,818 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 66 transitions. Word has length 4 [2019-11-25 08:45:51,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:45:51,818 INFO L462 AbstractCegarLoop]: Abstraction has 67 states and 66 transitions. [2019-11-25 08:45:51,818 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-25 08:45:51,818 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 66 transitions. [2019-11-25 08:45:51,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-25 08:45:51,819 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:45:51,819 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:45:52,021 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-25 08:45:52,022 INFO L410 AbstractCegarLoop]: === Iteration 2 === [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.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_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.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:45:52,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:45:52,023 INFO L82 PathProgramCache]: Analyzing trace with hash 285858633, now seen corresponding path program 1 times [2019-11-25 08:45:52,024 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 08:45:52,024 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [484404503] [2019-11-25 08:45:52,024 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0e7e0541-c01c-4e9f-93f4-7e7e65d54e1d/bin/uautomizer/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-11-25 08:45:52,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:45:52,063 INFO L255 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-25 08:45:52,065 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:45:52,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:45:52,121 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-25 08:45:52,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:45:52,153 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [484404503] [2019-11-25 08:45:52,153 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:45:52,153 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-11-25 08:45:52,153 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [715678940] [2019-11-25 08:45:52,155 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-25 08:45:52,155 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-25 08:45:52,155 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-25 08:45:52,156 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-25 08:45:52,156 INFO L87 Difference]: Start difference. First operand 67 states and 66 transitions. Second operand 4 states. [2019-11-25 08:45:52,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:45:52,329 INFO L93 Difference]: Finished difference Result 67 states and 66 transitions. [2019-11-25 08:45:52,330 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-25 08:45:52,330 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 23 [2019-11-25 08:45:52,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:45:52,330 INFO L225 Difference]: With dead ends: 67 [2019-11-25 08:45:52,330 INFO L226 Difference]: Without dead ends: 0 [2019-11-25 08:45:52,331 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-25 08:45:52,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-25 08:45:52,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-25 08:45:52,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-25 08:45:52,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-25 08:45:52,332 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2019-11-25 08:45:52,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:45:52,333 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-25 08:45:52,333 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-25 08:45:52,333 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-25 08:45:52,333 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-25 08:45:52,533 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-25 08:45:52,537 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-25 08:45:52,540 INFO L444 ceAbstractionStarter]: For program point L35-2(lines 5 48) no Hoare annotation was computed. [2019-11-25 08:45:52,540 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION(line 40) no Hoare annotation was computed. [2019-11-25 08:45:52,540 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 8) no Hoare annotation was computed. [2019-11-25 08:45:52,540 INFO L444 ceAbstractionStarter]: For program point L19(line 19) no Hoare annotation was computed. [2019-11-25 08:45:52,540 INFO L444 ceAbstractionStarter]: For program point L19-2(lines 5 48) no Hoare annotation was computed. [2019-11-25 08:45:52,541 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION(line 19) no Hoare annotation was computed. [2019-11-25 08:45:52,541 INFO L444 ceAbstractionStarter]: For program point L36(line 36) no Hoare annotation was computed. [2019-11-25 08:45:52,541 INFO L444 ceAbstractionStarter]: For program point L36-2(lines 5 48) no Hoare annotation was computed. [2019-11-25 08:45:52,541 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-25 08:45:52,541 INFO L444 ceAbstractionStarter]: For program point L20(line 20) no Hoare annotation was computed. [2019-11-25 08:45:52,541 INFO L444 ceAbstractionStarter]: For program point L20-2(lines 5 48) no Hoare annotation was computed. [2019-11-25 08:45:52,542 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION(line 35) no Hoare annotation was computed. [2019-11-25 08:45:52,542 INFO L444 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2019-11-25 08:45:52,542 INFO L444 ceAbstractionStarter]: For program point L4(lines 4 48) no Hoare annotation was computed. [2019-11-25 08:45:52,542 INFO L444 ceAbstractionStarter]: For program point L37-2(lines 5 48) no Hoare annotation was computed. [2019-11-25 08:45:52,543 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION(line 18) no Hoare annotation was computed. [2019-11-25 08:45:52,543 INFO L444 ceAbstractionStarter]: For program point L21(line 21) no Hoare annotation was computed. [2019-11-25 08:45:52,543 INFO L444 ceAbstractionStarter]: For program point L21-2(lines 5 48) no Hoare annotation was computed. [2019-11-25 08:45:52,543 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION(line 34) no Hoare annotation was computed. [2019-11-25 08:45:52,543 INFO L444 ceAbstractionStarter]: For program point L38(line 38) no Hoare annotation was computed. [2019-11-25 08:45:52,552 INFO L444 ceAbstractionStarter]: For program point L38-2(lines 5 48) no Hoare annotation was computed. [2019-11-25 08:45:52,552 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION(line 13) no Hoare annotation was computed. [2019-11-25 08:45:52,553 INFO L444 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2019-11-25 08:45:52,553 INFO L444 ceAbstractionStarter]: For program point L22-2(lines 5 48) no Hoare annotation was computed. [2019-11-25 08:45:52,553 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION(line 24) no Hoare annotation was computed. [2019-11-25 08:45:52,553 INFO L444 ceAbstractionStarter]: For program point L39(line 39) no Hoare annotation was computed. [2019-11-25 08:45:52,553 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION(line 45) no Hoare annotation was computed. [2019-11-25 08:45:52,553 INFO L444 ceAbstractionStarter]: For program point L39-2(lines 5 48) no Hoare annotation was computed. [2019-11-25 08:45:52,553 INFO L444 ceAbstractionStarter]: For program point L23(line 23) no Hoare annotation was computed. [2019-11-25 08:45:52,553 INFO L444 ceAbstractionStarter]: For program point L23-2(lines 5 48) no Hoare annotation was computed. [2019-11-25 08:45:52,554 INFO L444 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2019-11-25 08:45:52,554 INFO L444 ceAbstractionStarter]: For program point L7(line 7) no Hoare annotation was computed. [2019-11-25 08:45:52,554 INFO L444 ceAbstractionStarter]: For program point L7-1(line 7) no Hoare annotation was computed. [2019-11-25 08:45:52,554 INFO L444 ceAbstractionStarter]: For program point L40-2(lines 5 48) no Hoare annotation was computed. [2019-11-25 08:45:52,554 INFO L444 ceAbstractionStarter]: For program point L7-3(lines 5 48) no Hoare annotation was computed. [2019-11-25 08:45:52,554 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION(line 36) no Hoare annotation was computed. [2019-11-25 08:45:52,554 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION(line 15) no Hoare annotation was computed. [2019-11-25 08:45:52,554 INFO L444 ceAbstractionStarter]: For program point L24(line 24) no Hoare annotation was computed. [2019-11-25 08:45:52,555 INFO L444 ceAbstractionStarter]: For program point L24-2(line 24) no Hoare annotation was computed. [2019-11-25 08:45:52,555 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION(line 31) no Hoare annotation was computed. [2019-11-25 08:45:52,555 INFO L444 ceAbstractionStarter]: For program point L41(line 41) no Hoare annotation was computed. [2019-11-25 08:45:52,555 INFO L444 ceAbstractionStarter]: For program point L8(line 8) no Hoare annotation was computed. [2019-11-25 08:45:52,555 INFO L444 ceAbstractionStarter]: For program point L41-2(lines 5 48) no Hoare annotation was computed. [2019-11-25 08:45:52,555 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION(line 47) no Hoare annotation was computed. [2019-11-25 08:45:52,555 INFO L444 ceAbstractionStarter]: For program point L8-2(lines 5 48) no Hoare annotation was computed. [2019-11-25 08:45:52,555 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-25 08:45:52,556 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION(line 14) no Hoare annotation was computed. [2019-11-25 08:45:52,556 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION(line 30) no Hoare annotation was computed. [2019-11-25 08:45:52,556 INFO L444 ceAbstractionStarter]: For program point L42(line 42) no Hoare annotation was computed. [2019-11-25 08:45:52,556 INFO L444 ceAbstractionStarter]: For program point L9(line 9) no Hoare annotation was computed. [2019-11-25 08:45:52,556 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2019-11-25 08:45:52,556 INFO L444 ceAbstractionStarter]: For program point L42-2(lines 5 48) no Hoare annotation was computed. [2019-11-25 08:45:52,556 INFO L444 ceAbstractionStarter]: For program point L9-2(lines 5 48) no Hoare annotation was computed. [2019-11-25 08:45:52,557 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION(line 41) no Hoare annotation was computed. [2019-11-25 08:45:52,557 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 9) no Hoare annotation was computed. [2019-11-25 08:45:52,557 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION(line 20) no Hoare annotation was computed. [2019-11-25 08:45:52,557 INFO L444 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2019-11-25 08:45:52,557 INFO L444 ceAbstractionStarter]: For program point L10(line 10) no Hoare annotation was computed. [2019-11-25 08:45:52,557 INFO L444 ceAbstractionStarter]: For program point L43-2(lines 5 48) no Hoare annotation was computed. [2019-11-25 08:45:52,557 INFO L444 ceAbstractionStarter]: For program point L10-2(lines 5 48) no Hoare annotation was computed. [2019-11-25 08:45:52,557 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION(line 16) no Hoare annotation was computed. [2019-11-25 08:45:52,558 INFO L444 ceAbstractionStarter]: For program point L44(line 44) no Hoare annotation was computed. [2019-11-25 08:45:52,558 INFO L444 ceAbstractionStarter]: For program point L11(line 11) no Hoare annotation was computed. [2019-11-25 08:45:52,558 INFO L444 ceAbstractionStarter]: For program point L44-2(lines 5 48) no Hoare annotation was computed. [2019-11-25 08:45:52,558 INFO L444 ceAbstractionStarter]: For program point L11-2(lines 5 48) no Hoare annotation was computed. [2019-11-25 08:45:52,558 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION(line 32) no Hoare annotation was computed. [2019-11-25 08:45:52,558 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION(line 11) no Hoare annotation was computed. [2019-11-25 08:45:52,558 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-25 08:45:52,558 INFO L444 ceAbstractionStarter]: For program point L45(line 45) no Hoare annotation was computed. [2019-11-25 08:45:52,559 INFO L444 ceAbstractionStarter]: For program point L12(line 12) no Hoare annotation was computed. [2019-11-25 08:45:52,559 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION(line 22) no Hoare annotation was computed. [2019-11-25 08:45:52,559 INFO L444 ceAbstractionStarter]: For program point L45-2(lines 5 48) no Hoare annotation was computed. [2019-11-25 08:45:52,559 INFO L444 ceAbstractionStarter]: For program point L12-2(lines 5 48) no Hoare annotation was computed. [2019-11-25 08:45:52,559 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION(line 43) no Hoare annotation was computed. [2019-11-25 08:45:52,559 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION(line 42) no Hoare annotation was computed. [2019-11-25 08:45:52,559 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 10) no Hoare annotation was computed. [2019-11-25 08:45:52,560 INFO L444 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2019-11-25 08:45:52,560 INFO L444 ceAbstractionStarter]: For program point L13(line 13) no Hoare annotation was computed. [2019-11-25 08:45:52,560 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION(line 21) no Hoare annotation was computed. [2019-11-25 08:45:52,560 INFO L444 ceAbstractionStarter]: For program point L46-2(lines 5 48) no Hoare annotation was computed. [2019-11-25 08:45:52,560 INFO L444 ceAbstractionStarter]: For program point L13-2(lines 5 48) no Hoare annotation was computed. [2019-11-25 08:45:52,560 INFO L444 ceAbstractionStarter]: For program point L30(line 30) no Hoare annotation was computed. [2019-11-25 08:45:52,560 INFO L444 ceAbstractionStarter]: For program point L30-1(line 30) no Hoare annotation was computed. [2019-11-25 08:45:52,561 INFO L444 ceAbstractionStarter]: For program point L30-3(lines 5 48) no Hoare annotation was computed. [2019-11-25 08:45:52,561 INFO L444 ceAbstractionStarter]: For program point L47(line 47) no Hoare annotation was computed. [2019-11-25 08:45:52,561 INFO L444 ceAbstractionStarter]: For program point L14(line 14) no Hoare annotation was computed. [2019-11-25 08:45:52,571 INFO L444 ceAbstractionStarter]: For program point L14-2(lines 5 48) no Hoare annotation was computed. [2019-11-25 08:45:52,571 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION(line 37) no Hoare annotation was computed. [2019-11-25 08:45:52,571 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2019-11-25 08:45:52,572 INFO L444 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2019-11-25 08:45:52,572 INFO L444 ceAbstractionStarter]: For program point L31-2(lines 5 48) no Hoare annotation was computed. [2019-11-25 08:45:52,572 INFO L444 ceAbstractionStarter]: For program point L15(line 15) no Hoare annotation was computed. [2019-11-25 08:45:52,572 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION(line 23) no Hoare annotation was computed. [2019-11-25 08:45:52,572 INFO L444 ceAbstractionStarter]: For program point L15-2(lines 5 48) no Hoare annotation was computed. [2019-11-25 08:45:52,572 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-11-25 08:45:52,573 INFO L444 ceAbstractionStarter]: For program point L32(line 32) no Hoare annotation was computed. [2019-11-25 08:45:52,573 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-25 08:45:52,573 INFO L444 ceAbstractionStarter]: For program point L32-2(lines 5 48) no Hoare annotation was computed. [2019-11-25 08:45:52,573 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 7) no Hoare annotation was computed. [2019-11-25 08:45:52,573 INFO L444 ceAbstractionStarter]: For program point L16(line 16) no Hoare annotation was computed. [2019-11-25 08:45:52,574 INFO L444 ceAbstractionStarter]: For program point L16-2(lines 5 48) no Hoare annotation was computed. [2019-11-25 08:45:52,574 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION(line 39) no Hoare annotation was computed. [2019-11-25 08:45:52,574 INFO L444 ceAbstractionStarter]: For program point L33(line 33) no Hoare annotation was computed. [2019-11-25 08:45:52,574 INFO L444 ceAbstractionStarter]: For program point L33-2(lines 5 48) no Hoare annotation was computed. [2019-11-25 08:45:52,575 INFO L444 ceAbstractionStarter]: For program point L17(line 17) no Hoare annotation was computed. [2019-11-25 08:45:52,575 INFO L444 ceAbstractionStarter]: For program point L17-2(lines 5 48) no Hoare annotation was computed. [2019-11-25 08:45:52,575 INFO L444 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2019-11-25 08:45:52,575 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION(line 38) no Hoare annotation was computed. [2019-11-25 08:45:52,576 INFO L444 ceAbstractionStarter]: For program point L34-2(lines 5 48) no Hoare annotation was computed. [2019-11-25 08:45:52,576 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION(line 17) no Hoare annotation was computed. [2019-11-25 08:45:52,576 INFO L444 ceAbstractionStarter]: For program point L18(line 18) no Hoare annotation was computed. [2019-11-25 08:45:52,576 INFO L444 ceAbstractionStarter]: For program point L18-2(lines 5 48) no Hoare annotation was computed. [2019-11-25 08:45:52,576 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION(line 33) no Hoare annotation was computed. [2019-11-25 08:45:52,576 INFO L444 ceAbstractionStarter]: For program point L35(line 35) no Hoare annotation was computed. [2019-11-25 08:45:52,580 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 08:45:52 BoogieIcfgContainer [2019-11-25 08:45:52,581 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-25 08:45:52,581 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-25 08:45:52,581 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-25 08:45:52,581 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-25 08:45:52,582 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:45:51" (3/4) ... [2019-11-25 08:45:52,585 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-25 08:45:52,598 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-25 08:45:52,599 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-25 08:45:52,599 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-25 08:45:52,672 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_0e7e0541-c01c-4e9f-93f4-7e7e65d54e1d/bin/uautomizer/witness.graphml [2019-11-25 08:45:52,672 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-25 08:45:52,673 INFO L168 Benchmark]: Toolchain (without parser) took 2038.03 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.1 MB). Free memory was 961.8 MB in the beginning and 1.1 GB in the end (delta: -92.7 MB). Peak memory consumption was 61.4 MB. Max. memory is 11.5 GB. [2019-11-25 08:45:52,674 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 987.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:45:52,674 INFO L168 Benchmark]: CACSL2BoogieTranslator took 253.57 ms. Allocated memory is still 1.0 GB. Free memory was 961.8 MB in the beginning and 945.7 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2019-11-25 08:45:52,675 INFO L168 Benchmark]: Boogie Procedure Inliner took 146.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.1 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -197.6 MB). Peak memory consumption was 9.8 MB. Max. memory is 11.5 GB. [2019-11-25 08:45:52,675 INFO L168 Benchmark]: Boogie Preprocessor took 40.74 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:45:52,675 INFO L168 Benchmark]: RCFGBuilder took 477.30 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 28.0 MB). Peak memory consumption was 28.0 MB. Max. memory is 11.5 GB. [2019-11-25 08:45:52,676 INFO L168 Benchmark]: TraceAbstraction took 1018.41 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 53.8 MB). Peak memory consumption was 53.8 MB. Max. memory is 11.5 GB. [2019-11-25 08:45:52,676 INFO L168 Benchmark]: Witness Printer took 91.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-11-25 08:45:52,678 INFO L335 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 1.0 GB. Free memory is still 987.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 253.57 ms. Allocated memory is still 1.0 GB. Free memory was 961.8 MB in the beginning and 945.7 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 146.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.1 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -197.6 MB). Peak memory consumption was 9.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 40.74 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 477.30 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 28.0 MB). Peak memory consumption was 28.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1018.41 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 53.8 MB). Peak memory consumption was 53.8 MB. Max. memory is 11.5 GB. * Witness Printer took 91.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 8]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 15]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 36]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 22]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 24]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 10]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 34]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 32]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 46]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 31]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 38]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 40]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 20]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 18]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 16]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 42]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 35]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 14]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 23]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 33]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 30]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 7]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 9]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 19]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 39]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 45]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 11]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 13]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 37]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 47]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 17]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 21]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 41]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 43]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 36 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 114 locations, 36 error locations. Result: SAFE, OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 90 SDtfs, 17 SDslu, 38 SDs, 0 SdLazy, 19 SolverSat, 13 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 50 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=114occurred 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, 2 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, 0.1s InterpolantComputationTime, 27 NumberOfCodeBlocks, 27 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 50 ConstructedInterpolants, 1 QuantifiedInterpolants, 1294 SizeOfPredicates, 4 NumberOfNonLiveVariables, 33 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...