./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float11.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_e1e5ecbb-cc85-4ce3-ae3f-5b0f77934a3a/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_e1e5ecbb-cc85-4ce3-ae3f-5b0f77934a3a/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e1e5ecbb-cc85-4ce3-ae3f-5b0f77934a3a/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e1e5ecbb-cc85-4ce3-ae3f-5b0f77934a3a/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float11.c -s /tmp/vcloud-vcloud-master/worker/run_dir_e1e5ecbb-cc85-4ce3-ae3f-5b0f77934a3a/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e1e5ecbb-cc85-4ce3-ae3f-5b0f77934a3a/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6a6a56042e14a7445bc111b9dad948055cf7a2c8 ........................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_e1e5ecbb-cc85-4ce3-ae3f-5b0f77934a3a/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_e1e5ecbb-cc85-4ce3-ae3f-5b0f77934a3a/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e1e5ecbb-cc85-4ce3-ae3f-5b0f77934a3a/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e1e5ecbb-cc85-4ce3-ae3f-5b0f77934a3a/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float11.c -s /tmp/vcloud-vcloud-master/worker/run_dir_e1e5ecbb-cc85-4ce3-ae3f-5b0f77934a3a/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e1e5ecbb-cc85-4ce3-ae3f-5b0f77934a3a/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6a6a56042e14a7445bc111b9dad948055cf7a2c8 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 07:38:50,582 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 07:38:50,614 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 07:38:50,674 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 07:38:50,674 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 07:38:50,676 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 07:38:50,678 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 07:38:50,680 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 07:38:50,683 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 07:38:50,684 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 07:38:50,685 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 07:38:50,687 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 07:38:50,688 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 07:38:50,689 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 07:38:50,690 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 07:38:50,692 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 07:38:50,693 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 07:38:50,694 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 07:38:50,697 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 07:38:50,699 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 07:38:50,701 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 07:38:50,703 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 07:38:50,705 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 07:38:50,706 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 07:38:50,709 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 07:38:50,710 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 07:38:50,710 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 07:38:50,712 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 07:38:50,712 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 07:38:50,714 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 07:38:50,714 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 07:38:50,715 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 07:38:50,717 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 07:38:50,718 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 07:38:50,719 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 07:38:50,719 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 07:38:50,721 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 07:38:50,721 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 07:38:50,721 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 07:38:50,723 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 07:38:50,724 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 07:38:50,728 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e1e5ecbb-cc85-4ce3-ae3f-5b0f77934a3a/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-11-28 07:38:50,756 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 07:38:50,757 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 07:38:50,758 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 07:38:50,758 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-28 07:38:50,758 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-28 07:38:50,758 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-28 07:38:50,759 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-28 07:38:50,759 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-28 07:38:50,759 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-28 07:38:50,759 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-28 07:38:50,760 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-28 07:38:50,760 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-28 07:38:50,760 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-28 07:38:50,760 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-28 07:38:50,761 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-28 07:38:50,761 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 07:38:50,762 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 07:38:50,762 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 07:38:50,762 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 07:38:50,762 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 07:38:50,763 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 07:38:50,763 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 07:38:50,763 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 07:38:50,763 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-28 07:38:50,764 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 07:38:50,764 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 07:38:50,764 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 07:38:50,764 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 07:38:50,765 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 07:38:50,765 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 07:38:50,765 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 07:38:50,765 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 07:38:50,766 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 07:38:50,766 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 07:38:50,766 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 07:38:50,766 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-28 07:38:50,767 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 07:38:50,767 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 07:38:50,767 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 07:38:50,767 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 07:38:50,768 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_e1e5ecbb-cc85-4ce3-ae3f-5b0f77934a3a/bin/utaipan/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_e1e5ecbb-cc85-4ce3-ae3f-5b0f77934a3a/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6a6a56042e14a7445bc111b9dad948055cf7a2c8 [2020-11-28 07:38:51,087 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 07:38:51,118 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 07:38:51,123 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 07:38:51,124 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 07:38:51,125 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 07:38:51,126 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e1e5ecbb-cc85-4ce3-ae3f-5b0f77934a3a/bin/utaipan/../../sv-benchmarks/c/floats-cbmc-regression/float11.c [2020-11-28 07:38:51,231 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e1e5ecbb-cc85-4ce3-ae3f-5b0f77934a3a/bin/utaipan/data/e628a2a8c/ae1c25aa516144dd99ea62906258ae2a/FLAG20ab01768 [2020-11-28 07:38:51,644 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 07:38:51,644 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e1e5ecbb-cc85-4ce3-ae3f-5b0f77934a3a/sv-benchmarks/c/floats-cbmc-regression/float11.c [2020-11-28 07:38:51,651 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e1e5ecbb-cc85-4ce3-ae3f-5b0f77934a3a/bin/utaipan/data/e628a2a8c/ae1c25aa516144dd99ea62906258ae2a/FLAG20ab01768 [2020-11-28 07:38:52,047 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e1e5ecbb-cc85-4ce3-ae3f-5b0f77934a3a/bin/utaipan/data/e628a2a8c/ae1c25aa516144dd99ea62906258ae2a [2020-11-28 07:38:52,049 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 07:38:52,050 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 07:38:52,055 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 07:38:52,056 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 07:38:52,058 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 07:38:52,059 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:38:52" (1/1) ... [2020-11-28 07:38:52,061 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16bb64c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:38:52, skipping insertion in model container [2020-11-28 07:38:52,062 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:38:52" (1/1) ... [2020-11-28 07:38:52,067 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 07:38:52,083 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 07:38:52,269 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 07:38:52,278 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 07:38:52,297 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 07:38:52,310 INFO L208 MainTranslator]: Completed translation [2020-11-28 07:38:52,311 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:38:52 WrapperNode [2020-11-28 07:38:52,311 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 07:38:52,312 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 07:38:52,312 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 07:38:52,313 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 07:38:52,320 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:38:52" (1/1) ... [2020-11-28 07:38:52,326 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:38:52" (1/1) ... [2020-11-28 07:38:52,345 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 07:38:52,346 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 07:38:52,346 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 07:38:52,347 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 07:38:52,355 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:38:52" (1/1) ... [2020-11-28 07:38:52,355 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:38:52" (1/1) ... [2020-11-28 07:38:52,357 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:38:52" (1/1) ... [2020-11-28 07:38:52,358 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:38:52" (1/1) ... [2020-11-28 07:38:52,365 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:38:52" (1/1) ... [2020-11-28 07:38:52,375 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:38:52" (1/1) ... [2020-11-28 07:38:52,381 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:38:52" (1/1) ... [2020-11-28 07:38:52,384 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 07:38:52,385 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 07:38:52,385 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 07:38:52,396 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 07:38:52,397 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:38:52" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e1e5ecbb-cc85-4ce3-ae3f-5b0f77934a3a/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 07:38:52,500 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 07:38:52,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 07:38:52,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 07:38:52,501 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 07:38:53,090 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 07:38:53,090 INFO L298 CfgBuilder]: Removed 64 assume(true) statements. [2020-11-28 07:38:53,092 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 07:38:53 BoogieIcfgContainer [2020-11-28 07:38:53,092 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 07:38:53,094 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 07:38:53,094 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 07:38:53,105 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 07:38:53,105 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 07:38:52" (1/3) ... [2020-11-28 07:38:53,106 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50a1a7b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 07:38:53, skipping insertion in model container [2020-11-28 07:38:53,107 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:38:52" (2/3) ... [2020-11-28 07:38:53,107 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50a1a7b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 07:38:53, skipping insertion in model container [2020-11-28 07:38:53,107 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 07:38:53" (3/3) ... [2020-11-28 07:38:53,109 INFO L111 eAbstractionObserver]: Analyzing ICFG float11.c [2020-11-28 07:38:53,126 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 07:38:53,131 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 30 error locations. [2020-11-28 07:38:53,140 INFO L253 AbstractCegarLoop]: Starting to check reachability of 30 error locations. [2020-11-28 07:38:53,167 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 07:38:53,167 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 07:38:53,167 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 07:38:53,167 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 07:38:53,167 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 07:38:53,168 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 07:38:53,168 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 07:38:53,168 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 07:38:53,186 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states. [2020-11-28 07:38:53,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-11-28 07:38:53,191 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:38:53,192 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-11-28 07:38:53,192 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 07:38:53,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:38:53,198 INFO L82 PathProgramCache]: Analyzing trace with hash 329784, now seen corresponding path program 1 times [2020-11-28 07:38:53,208 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-28 07:38:53,208 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588749771] [2020-11-28 07:38:53,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 07:38:53,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 07:38:53,303 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 07:38:53,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 07:38:53,321 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 07:38:53,340 INFO L173 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2020-11-28 07:38:53,341 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-28 07:38:53,341 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-28 07:38:53,362 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 07:38:53 BoogieIcfgContainer [2020-11-28 07:38:53,362 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 07:38:53,363 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 07:38:53,366 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 07:38:53,367 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 07:38:53,367 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 07:38:53" (3/4) ... [2020-11-28 07:38:53,370 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-28 07:38:53,371 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 07:38:53,376 INFO L168 Benchmark]: Toolchain (without parser) took 1321.19 ms. Allocated memory was 73.4 MB in the beginning and 94.4 MB in the end (delta: 21.0 MB). Free memory was 40.6 MB in the beginning and 50.1 MB in the end (delta: -9.5 MB). Peak memory consumption was 11.6 MB. Max. memory is 16.1 GB. [2020-11-28 07:38:53,378 INFO L168 Benchmark]: CDTParser took 0.70 ms. Allocated memory is still 73.4 MB. Free memory was 53.3 MB in the beginning and 53.3 MB in the end (delta: 25.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 07:38:53,381 INFO L168 Benchmark]: CACSL2BoogieTranslator took 256.07 ms. Allocated memory was 73.4 MB in the beginning and 94.4 MB in the end (delta: 21.0 MB). Free memory was 40.4 MB in the beginning and 71.9 MB in the end (delta: -31.5 MB). Peak memory consumption was 3.6 MB. Max. memory is 16.1 GB. [2020-11-28 07:38:53,383 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.34 ms. Allocated memory is still 94.4 MB. Free memory was 71.9 MB in the beginning and 69.9 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 07:38:53,384 INFO L168 Benchmark]: Boogie Preprocessor took 37.78 ms. Allocated memory is still 94.4 MB. Free memory was 69.9 MB in the beginning and 68.6 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 07:38:53,384 INFO L168 Benchmark]: RCFGBuilder took 707.54 ms. Allocated memory is still 94.4 MB. Free memory was 68.6 MB in the beginning and 62.7 MB in the end (delta: 5.9 MB). Peak memory consumption was 22.6 MB. Max. memory is 16.1 GB. [2020-11-28 07:38:53,385 INFO L168 Benchmark]: TraceAbstraction took 268.87 ms. Allocated memory is still 94.4 MB. Free memory was 62.3 MB in the beginning and 50.7 MB in the end (delta: 11.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-28 07:38:53,386 INFO L168 Benchmark]: Witness Printer took 7.55 ms. Allocated memory is still 94.4 MB. Free memory was 50.7 MB in the beginning and 50.1 MB in the end (delta: 597.1 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 07:38:53,391 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.70 ms. Allocated memory is still 73.4 MB. Free memory was 53.3 MB in the beginning and 53.3 MB in the end (delta: 25.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 256.07 ms. Allocated memory was 73.4 MB in the beginning and 94.4 MB in the end (delta: 21.0 MB). Free memory was 40.4 MB in the beginning and 71.9 MB in the end (delta: -31.5 MB). Peak memory consumption was 3.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 33.34 ms. Allocated memory is still 94.4 MB. Free memory was 71.9 MB in the beginning and 69.9 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 37.78 ms. Allocated memory is still 94.4 MB. Free memory was 69.9 MB in the beginning and 68.6 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 707.54 ms. Allocated memory is still 94.4 MB. Free memory was 68.6 MB in the beginning and 62.7 MB in the end (delta: 5.9 MB). Peak memory consumption was 22.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 268.87 ms. Allocated memory is still 94.4 MB. Free memory was 62.3 MB in the beginning and 50.7 MB in the end (delta: 11.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Witness Printer took 7.55 ms. Allocated memory is still 94.4 MB. Free memory was 50.7 MB in the beginning and 50.1 MB in the end (delta: 597.1 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 3]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 7. Possible FailurePath: [L7] COND TRUE !(1.0<2.5) [L3] __assert_fail("0", "float11.c", 3, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 93 locations, 30 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.1s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=93occurred 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, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-11-28 07:38:55,929 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 07:38:55,931 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 07:38:55,965 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 07:38:55,966 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 07:38:55,967 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 07:38:55,969 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 07:38:55,972 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 07:38:55,974 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 07:38:55,975 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 07:38:55,977 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 07:38:55,978 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 07:38:55,979 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 07:38:55,980 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 07:38:55,981 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 07:38:55,982 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 07:38:55,983 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 07:38:55,984 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 07:38:55,987 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 07:38:55,989 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 07:38:55,991 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 07:38:55,992 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 07:38:55,994 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 07:38:55,995 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 07:38:55,999 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 07:38:55,999 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 07:38:55,999 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 07:38:56,000 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 07:38:56,001 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 07:38:56,002 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 07:38:56,010 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 07:38:56,011 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 07:38:56,012 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 07:38:56,013 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 07:38:56,014 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 07:38:56,015 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 07:38:56,016 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 07:38:56,016 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 07:38:56,016 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 07:38:56,017 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 07:38:56,018 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 07:38:56,021 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e1e5ecbb-cc85-4ce3-ae3f-5b0f77934a3a/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-11-28 07:38:56,070 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 07:38:56,070 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 07:38:56,072 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 07:38:56,072 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-28 07:38:56,073 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-28 07:38:56,073 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-28 07:38:56,073 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-28 07:38:56,073 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-28 07:38:56,073 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-28 07:38:56,074 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 07:38:56,076 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 07:38:56,076 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 07:38:56,076 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 07:38:56,076 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 07:38:56,077 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 07:38:56,077 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 07:38:56,077 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-28 07:38:56,077 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-28 07:38:56,077 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-28 07:38:56,078 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 07:38:56,078 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 07:38:56,078 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 07:38:56,078 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 07:38:56,079 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 07:38:56,079 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 07:38:56,079 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 07:38:56,079 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 07:38:56,079 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 07:38:56,080 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 07:38:56,080 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 07:38:56,080 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 07:38:56,080 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-28 07:38:56,081 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-28 07:38:56,081 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 07:38:56,081 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 07:38:56,082 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 07:38:56,082 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_e1e5ecbb-cc85-4ce3-ae3f-5b0f77934a3a/bin/utaipan/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_e1e5ecbb-cc85-4ce3-ae3f-5b0f77934a3a/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6a6a56042e14a7445bc111b9dad948055cf7a2c8 [2020-11-28 07:38:56,473 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 07:38:56,514 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 07:38:56,518 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 07:38:56,520 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 07:38:56,520 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 07:38:56,521 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e1e5ecbb-cc85-4ce3-ae3f-5b0f77934a3a/bin/utaipan/../../sv-benchmarks/c/floats-cbmc-regression/float11.c [2020-11-28 07:38:56,601 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e1e5ecbb-cc85-4ce3-ae3f-5b0f77934a3a/bin/utaipan/data/920567e27/a742383eb33e4e84adc30a8fc13dd232/FLAG0076999f9 [2020-11-28 07:38:57,147 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 07:38:57,154 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e1e5ecbb-cc85-4ce3-ae3f-5b0f77934a3a/sv-benchmarks/c/floats-cbmc-regression/float11.c [2020-11-28 07:38:57,161 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e1e5ecbb-cc85-4ce3-ae3f-5b0f77934a3a/bin/utaipan/data/920567e27/a742383eb33e4e84adc30a8fc13dd232/FLAG0076999f9 [2020-11-28 07:38:57,517 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e1e5ecbb-cc85-4ce3-ae3f-5b0f77934a3a/bin/utaipan/data/920567e27/a742383eb33e4e84adc30a8fc13dd232 [2020-11-28 07:38:57,520 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 07:38:57,523 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 07:38:57,524 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 07:38:57,525 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 07:38:57,529 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 07:38:57,530 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:38:57" (1/1) ... [2020-11-28 07:38:57,536 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@478abe7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:38:57, skipping insertion in model container [2020-11-28 07:38:57,538 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:38:57" (1/1) ... [2020-11-28 07:38:57,546 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 07:38:57,568 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 07:38:57,793 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 07:38:57,814 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 07:38:57,837 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 07:38:57,852 INFO L208 MainTranslator]: Completed translation [2020-11-28 07:38:57,852 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:38:57 WrapperNode [2020-11-28 07:38:57,853 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 07:38:57,854 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 07:38:57,854 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 07:38:57,854 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 07:38:57,862 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:38:57" (1/1) ... [2020-11-28 07:38:57,887 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:38:57" (1/1) ... [2020-11-28 07:38:57,932 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 07:38:57,934 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 07:38:57,935 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 07:38:57,936 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 07:38:57,944 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:38:57" (1/1) ... [2020-11-28 07:38:57,944 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:38:57" (1/1) ... [2020-11-28 07:38:57,960 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:38:57" (1/1) ... [2020-11-28 07:38:57,969 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:38:57" (1/1) ... [2020-11-28 07:38:57,985 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:38:57" (1/1) ... [2020-11-28 07:38:57,989 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:38:57" (1/1) ... [2020-11-28 07:38:57,993 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:38:57" (1/1) ... [2020-11-28 07:38:58,005 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 07:38:58,006 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 07:38:58,007 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 07:38:58,007 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 07:38:58,011 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:38:57" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e1e5ecbb-cc85-4ce3-ae3f-5b0f77934a3a/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 07:38:58,072 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 07:38:58,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 07:38:58,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-28 07:38:58,073 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 07:38:58,685 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 07:38:58,686 INFO L298 CfgBuilder]: Removed 64 assume(true) statements. [2020-11-28 07:38:58,687 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 07:38:58 BoogieIcfgContainer [2020-11-28 07:38:58,687 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 07:38:58,689 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 07:38:58,689 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 07:38:58,692 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 07:38:58,692 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 07:38:57" (1/3) ... [2020-11-28 07:38:58,693 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19e8d4d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 07:38:58, skipping insertion in model container [2020-11-28 07:38:58,693 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:38:57" (2/3) ... [2020-11-28 07:38:58,694 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19e8d4d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 07:38:58, skipping insertion in model container [2020-11-28 07:38:58,694 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 07:38:58" (3/3) ... [2020-11-28 07:38:58,695 INFO L111 eAbstractionObserver]: Analyzing ICFG float11.c [2020-11-28 07:38:58,706 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 07:38:58,710 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 30 error locations. [2020-11-28 07:38:58,721 INFO L253 AbstractCegarLoop]: Starting to check reachability of 30 error locations. [2020-11-28 07:38:58,743 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 07:38:58,744 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 07:38:58,744 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 07:38:58,744 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 07:38:58,744 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 07:38:58,744 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 07:38:58,744 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 07:38:58,744 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 07:38:58,765 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states. [2020-11-28 07:38:58,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-11-28 07:38:58,769 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:38:58,770 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-11-28 07:38:58,771 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 07:38:58,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:38:58,776 INFO L82 PathProgramCache]: Analyzing trace with hash 925604, now seen corresponding path program 1 times [2020-11-28 07:38:58,788 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-28 07:38:58,788 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [105217715] [2020-11-28 07:38:58,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e1e5ecbb-cc85-4ce3-ae3f-5b0f77934a3a/bin/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-11-28 07:38:58,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:38:58,890 INFO L263 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 1 conjunts are in the unsatisfiable core [2020-11-28 07:38:58,894 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 07:38:58,908 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:38:58,908 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 07:38:58,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:38:58,914 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [105217715] [2020-11-28 07:38:58,915 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-28 07:38:58,915 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-28 07:38:58,916 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753291700] [2020-11-28 07:38:58,920 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-28 07:38:58,920 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-28 07:38:58,937 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-28 07:38:58,939 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-28 07:38:58,941 INFO L87 Difference]: Start difference. First operand 125 states. Second operand 2 states. [2020-11-28 07:38:58,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 07:38:58,974 INFO L93 Difference]: Finished difference Result 157 states and 214 transitions. [2020-11-28 07:38:58,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-28 07:38:58,975 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 4 [2020-11-28 07:38:58,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 07:38:58,983 INFO L225 Difference]: With dead ends: 157 [2020-11-28 07:38:58,984 INFO L226 Difference]: Without dead ends: 0 [2020-11-28 07:38:58,989 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-28 07:38:59,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-28 07:38:59,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-28 07:38:59,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-28 07:38:59,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-28 07:38:59,012 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 4 [2020-11-28 07:38:59,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 07:38:59,013 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 07:38:59,013 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-28 07:38:59,014 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-28 07:38:59,014 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 07:38:59,234 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-28 07:38:59,236 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-28 07:38:59,240 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 07:38:59,240 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 07:38:59,240 INFO L274 CegarLoopResult]: For program point L19-1(lines 5 42) no Hoare annotation was computed. [2020-11-28 07:38:59,240 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 07:38:59,240 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-28 07:38:59,241 INFO L274 CegarLoopResult]: For program point L36-1(lines 5 42) no Hoare annotation was computed. [2020-11-28 07:38:59,241 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-28 07:38:59,241 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-28 07:38:59,241 INFO L274 CegarLoopResult]: For program point L3-3(line 3) no Hoare annotation was computed. [2020-11-28 07:38:59,242 INFO L274 CegarLoopResult]: For program point L3-4(line 3) no Hoare annotation was computed. [2020-11-28 07:38:59,242 INFO L274 CegarLoopResult]: For program point L3-5(line 3) no Hoare annotation was computed. [2020-11-28 07:38:59,242 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-28 07:38:59,242 INFO L274 CegarLoopResult]: For program point L3-6(line 3) no Hoare annotation was computed. [2020-11-28 07:38:59,242 INFO L274 CegarLoopResult]: For program point L3-7(line 3) no Hoare annotation was computed. [2020-11-28 07:38:59,243 INFO L274 CegarLoopResult]: For program point L3-8(line 3) no Hoare annotation was computed. [2020-11-28 07:38:59,243 INFO L274 CegarLoopResult]: For program point L3-9(line 3) no Hoare annotation was computed. [2020-11-28 07:38:59,243 INFO L274 CegarLoopResult]: For program point L3-10(line 3) no Hoare annotation was computed. [2020-11-28 07:38:59,243 INFO L274 CegarLoopResult]: For program point L3-11(line 3) no Hoare annotation was computed. [2020-11-28 07:38:59,243 INFO L274 CegarLoopResult]: For program point L3-12(line 3) no Hoare annotation was computed. [2020-11-28 07:38:59,243 INFO L274 CegarLoopResult]: For program point L3-13(line 3) no Hoare annotation was computed. [2020-11-28 07:38:59,243 INFO L274 CegarLoopResult]: For program point L3-14(line 3) no Hoare annotation was computed. [2020-11-28 07:38:59,244 INFO L274 CegarLoopResult]: For program point L3-15(line 3) no Hoare annotation was computed. [2020-11-28 07:38:59,244 INFO L274 CegarLoopResult]: For program point L3-16(line 3) no Hoare annotation was computed. [2020-11-28 07:38:59,244 INFO L274 CegarLoopResult]: For program point L20-1(lines 5 42) no Hoare annotation was computed. [2020-11-28 07:38:59,245 INFO L274 CegarLoopResult]: For program point L3-17(line 3) no Hoare annotation was computed. [2020-11-28 07:38:59,245 INFO L274 CegarLoopResult]: For program point L3-18(line 3) no Hoare annotation was computed. [2020-11-28 07:38:59,245 INFO L274 CegarLoopResult]: For program point L3-19(line 3) no Hoare annotation was computed. [2020-11-28 07:38:59,246 INFO L274 CegarLoopResult]: For program point L3-20(line 3) no Hoare annotation was computed. [2020-11-28 07:38:59,247 INFO L274 CegarLoopResult]: For program point L3-21(line 3) no Hoare annotation was computed. [2020-11-28 07:38:59,247 INFO L274 CegarLoopResult]: For program point L3-22(line 3) no Hoare annotation was computed. [2020-11-28 07:38:59,247 INFO L274 CegarLoopResult]: For program point L3-23(line 3) no Hoare annotation was computed. [2020-11-28 07:38:59,247 INFO L274 CegarLoopResult]: For program point L3-24(line 3) no Hoare annotation was computed. [2020-11-28 07:38:59,248 INFO L274 CegarLoopResult]: For program point L3-25(line 3) no Hoare annotation was computed. [2020-11-28 07:38:59,249 INFO L274 CegarLoopResult]: For program point L3-26(line 3) no Hoare annotation was computed. [2020-11-28 07:38:59,249 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 07:38:59,249 INFO L274 CegarLoopResult]: For program point L3-27(line 3) no Hoare annotation was computed. [2020-11-28 07:38:59,249 INFO L274 CegarLoopResult]: For program point L3-28(line 3) no Hoare annotation was computed. [2020-11-28 07:38:59,249 INFO L274 CegarLoopResult]: For program point L3-29(line 3) no Hoare annotation was computed. [2020-11-28 07:38:59,249 INFO L274 CegarLoopResult]: For program point L3-30(line 3) no Hoare annotation was computed. [2020-11-28 07:38:59,250 INFO L274 CegarLoopResult]: For program point L3-31(line 3) no Hoare annotation was computed. [2020-11-28 07:38:59,250 INFO L274 CegarLoopResult]: For program point L4(lines 4 42) no Hoare annotation was computed. [2020-11-28 07:38:59,251 INFO L274 CegarLoopResult]: For program point L3-32(line 3) no Hoare annotation was computed. [2020-11-28 07:38:59,254 INFO L274 CegarLoopResult]: For program point L3-33(line 3) no Hoare annotation was computed. [2020-11-28 07:38:59,254 INFO L274 CegarLoopResult]: For program point L3-34(line 3) no Hoare annotation was computed. [2020-11-28 07:38:59,254 INFO L274 CegarLoopResult]: For program point L3-35(line 3) no Hoare annotation was computed. [2020-11-28 07:38:59,254 INFO L274 CegarLoopResult]: For program point L3-36(line 3) no Hoare annotation was computed. [2020-11-28 07:38:59,255 INFO L274 CegarLoopResult]: For program point L3-37(line 3) no Hoare annotation was computed. [2020-11-28 07:38:59,255 INFO L274 CegarLoopResult]: For program point L3-38(line 3) no Hoare annotation was computed. [2020-11-28 07:38:59,255 INFO L274 CegarLoopResult]: For program point L3-39(line 3) no Hoare annotation was computed. [2020-11-28 07:38:59,255 INFO L274 CegarLoopResult]: For program point L3-40(line 3) no Hoare annotation was computed. [2020-11-28 07:38:59,255 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 07:38:59,256 INFO L274 CegarLoopResult]: For program point L3-41(line 3) no Hoare annotation was computed. [2020-11-28 07:38:59,256 INFO L274 CegarLoopResult]: For program point L3-42(line 3) no Hoare annotation was computed. [2020-11-28 07:38:59,256 INFO L274 CegarLoopResult]: For program point L3-43(line 3) no Hoare annotation was computed. [2020-11-28 07:38:59,257 INFO L274 CegarLoopResult]: For program point L3-44(line 3) no Hoare annotation was computed. [2020-11-28 07:38:59,257 INFO L274 CegarLoopResult]: For program point L3-45(line 3) no Hoare annotation was computed. [2020-11-28 07:38:59,258 INFO L274 CegarLoopResult]: For program point L3-46(line 3) no Hoare annotation was computed. [2020-11-28 07:38:59,265 INFO L274 CegarLoopResult]: For program point L21-1(lines 5 42) no Hoare annotation was computed. [2020-11-28 07:38:59,265 INFO L274 CegarLoopResult]: For program point L3-47(line 3) no Hoare annotation was computed. [2020-11-28 07:38:59,265 INFO L274 CegarLoopResult]: For program point L3-48(line 3) no Hoare annotation was computed. [2020-11-28 07:38:59,265 INFO L274 CegarLoopResult]: For program point L3-49(line 3) no Hoare annotation was computed. [2020-11-28 07:38:59,265 INFO L274 CegarLoopResult]: For program point L3-50(line 3) no Hoare annotation was computed. [2020-11-28 07:38:59,265 INFO L274 CegarLoopResult]: For program point L3-51(line 3) no Hoare annotation was computed. [2020-11-28 07:38:59,266 INFO L274 CegarLoopResult]: For program point L3-52(line 3) no Hoare annotation was computed. [2020-11-28 07:38:59,266 INFO L274 CegarLoopResult]: For program point L3-53(line 3) no Hoare annotation was computed. [2020-11-28 07:38:59,266 INFO L274 CegarLoopResult]: For program point L3-54(line 3) no Hoare annotation was computed. [2020-11-28 07:38:59,266 INFO L274 CegarLoopResult]: For program point L3-55(line 3) no Hoare annotation was computed. [2020-11-28 07:38:59,266 INFO L274 CegarLoopResult]: For program point L3-56(line 3) no Hoare annotation was computed. [2020-11-28 07:38:59,266 INFO L274 CegarLoopResult]: For program point L3-57(line 3) no Hoare annotation was computed. [2020-11-28 07:38:59,266 INFO L274 CegarLoopResult]: For program point L3-58(line 3) no Hoare annotation was computed. [2020-11-28 07:38:59,267 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 07:38:59,267 INFO L274 CegarLoopResult]: For program point L3-59(line 3) no Hoare annotation was computed. [2020-11-28 07:38:59,267 INFO L274 CegarLoopResult]: For program point L38-1(lines 5 42) no Hoare annotation was computed. [2020-11-28 07:38:59,267 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 07:38:59,267 INFO L274 CegarLoopResult]: For program point L22-1(lines 5 42) no Hoare annotation was computed. [2020-11-28 07:38:59,267 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 07:38:59,267 INFO L274 CegarLoopResult]: For program point L39-1(lines 5 42) no Hoare annotation was computed. [2020-11-28 07:38:59,267 INFO L274 CegarLoopResult]: For program point L23-1(lines 5 42) no Hoare annotation was computed. [2020-11-28 07:38:59,268 INFO L274 CegarLoopResult]: For program point L7(line 7) no Hoare annotation was computed. [2020-11-28 07:38:59,268 INFO L274 CegarLoopResult]: For program point L40-1(lines 5 42) no Hoare annotation was computed. [2020-11-28 07:38:59,268 INFO L274 CegarLoopResult]: For program point L7-2(lines 5 42) no Hoare annotation was computed. [2020-11-28 07:38:59,268 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 07:38:59,268 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 07:38:59,268 INFO L274 CegarLoopResult]: For program point L24-1(lines 5 42) no Hoare annotation was computed. [2020-11-28 07:38:59,268 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 07:38:59,268 INFO L274 CegarLoopResult]: For program point L8-1(lines 5 42) no Hoare annotation was computed. [2020-11-28 07:38:59,269 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-28 07:38:59,269 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 07:38:59,269 INFO L274 CegarLoopResult]: For program point L25-1(lines 5 42) no Hoare annotation was computed. [2020-11-28 07:38:59,269 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 07:38:59,269 INFO L274 CegarLoopResult]: For program point L9-1(lines 5 42) no Hoare annotation was computed. [2020-11-28 07:38:59,269 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 07:38:59,269 INFO L274 CegarLoopResult]: For program point L26-1(lines 5 42) no Hoare annotation was computed. [2020-11-28 07:38:59,269 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 07:38:59,270 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 07:38:59,270 INFO L274 CegarLoopResult]: For program point L10-1(lines 5 42) no Hoare annotation was computed. [2020-11-28 07:38:59,270 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 07:38:59,270 INFO L274 CegarLoopResult]: For program point L11-1(lines 5 42) no Hoare annotation was computed. [2020-11-28 07:38:59,270 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 07:38:59,270 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 07:38:59,270 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-28 07:38:59,270 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 07:38:59,271 INFO L274 CegarLoopResult]: For program point L12-1(lines 5 42) no Hoare annotation was computed. [2020-11-28 07:38:59,271 INFO L274 CegarLoopResult]: For program point L29-1(lines 5 42) no Hoare annotation was computed. [2020-11-28 07:38:59,271 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 07:38:59,271 INFO L274 CegarLoopResult]: For program point L13-1(lines 5 42) no Hoare annotation was computed. [2020-11-28 07:38:59,271 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 07:38:59,271 INFO L274 CegarLoopResult]: For program point L30-1(lines 5 42) no Hoare annotation was computed. [2020-11-28 07:38:59,271 INFO L274 CegarLoopResult]: For program point L14-1(lines 5 42) no Hoare annotation was computed. [2020-11-28 07:38:59,271 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 07:38:59,272 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 07:38:59,272 INFO L274 CegarLoopResult]: For program point L31-1(lines 5 42) no Hoare annotation was computed. [2020-11-28 07:38:59,272 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 07:38:59,272 INFO L274 CegarLoopResult]: For program point L15-1(lines 5 42) no Hoare annotation was computed. [2020-11-28 07:38:59,272 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-28 07:38:59,272 INFO L274 CegarLoopResult]: For program point L32-1(lines 5 42) no Hoare annotation was computed. [2020-11-28 07:38:59,272 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 07:38:59,272 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 07:38:59,273 INFO L274 CegarLoopResult]: For program point L33-1(lines 5 42) no Hoare annotation was computed. [2020-11-28 07:38:59,273 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 07:38:59,273 INFO L274 CegarLoopResult]: For program point L34-1(lines 5 42) no Hoare annotation was computed. [2020-11-28 07:38:59,273 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 07:38:59,273 INFO L274 CegarLoopResult]: For program point L18-1(lines 5 42) no Hoare annotation was computed. [2020-11-28 07:38:59,273 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 07:38:59,273 INFO L274 CegarLoopResult]: For program point L35-1(lines 5 42) no Hoare annotation was computed. [2020-11-28 07:38:59,286 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 07:38:59 BoogieIcfgContainer [2020-11-28 07:38:59,286 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 07:38:59,289 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 07:38:59,289 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 07:38:59,289 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 07:38:59,290 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 07:38:58" (3/4) ... [2020-11-28 07:38:59,293 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 07:38:59,311 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2020-11-28 07:38:59,312 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-28 07:38:59,312 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 07:38:59,313 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 07:38:59,406 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_e1e5ecbb-cc85-4ce3-ae3f-5b0f77934a3a/bin/utaipan/witness.graphml [2020-11-28 07:38:59,406 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 07:38:59,408 INFO L168 Benchmark]: Toolchain (without parser) took 1884.83 ms. Allocated memory was 58.7 MB in the beginning and 71.3 MB in the end (delta: 12.6 MB). Free memory was 38.2 MB in the beginning and 34.3 MB in the end (delta: 3.8 MB). Peak memory consumption was 15.8 MB. Max. memory is 16.1 GB. [2020-11-28 07:38:59,409 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 58.7 MB. Free memory is still 40.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 07:38:59,410 INFO L168 Benchmark]: CACSL2BoogieTranslator took 328.51 ms. Allocated memory is still 58.7 MB. Free memory was 37.9 MB in the beginning and 27.1 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-28 07:38:59,410 INFO L168 Benchmark]: Boogie Procedure Inliner took 78.24 ms. Allocated memory is still 58.7 MB. Free memory was 27.1 MB in the beginning and 42.3 MB in the end (delta: -15.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-28 07:38:59,410 INFO L168 Benchmark]: Boogie Preprocessor took 71.23 ms. Allocated memory is still 58.7 MB. Free memory was 42.3 MB in the beginning and 40.6 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 07:38:59,411 INFO L168 Benchmark]: RCFGBuilder took 681.13 ms. Allocated memory is still 58.7 MB. Free memory was 40.4 MB in the beginning and 32.5 MB in the end (delta: 8.0 MB). Peak memory consumption was 18.3 MB. Max. memory is 16.1 GB. [2020-11-28 07:38:59,411 INFO L168 Benchmark]: TraceAbstraction took 597.57 ms. Allocated memory was 58.7 MB in the beginning and 71.3 MB in the end (delta: 12.6 MB). Free memory was 32.0 MB in the beginning and 38.9 MB in the end (delta: -6.9 MB). Peak memory consumption was 7.0 MB. Max. memory is 16.1 GB. [2020-11-28 07:38:59,411 INFO L168 Benchmark]: Witness Printer took 117.47 ms. Allocated memory is still 71.3 MB. Free memory was 38.9 MB in the beginning and 34.3 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-28 07:38:59,414 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 58.7 MB. Free memory is still 40.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 328.51 ms. Allocated memory is still 58.7 MB. Free memory was 37.9 MB in the beginning and 27.1 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 78.24 ms. Allocated memory is still 58.7 MB. Free memory was 27.1 MB in the beginning and 42.3 MB in the end (delta: -15.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 71.23 ms. Allocated memory is still 58.7 MB. Free memory was 42.3 MB in the beginning and 40.6 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 681.13 ms. Allocated memory is still 58.7 MB. Free memory was 40.4 MB in the beginning and 32.5 MB in the end (delta: 8.0 MB). Peak memory consumption was 18.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 597.57 ms. Allocated memory was 58.7 MB in the beginning and 71.3 MB in the end (delta: 12.6 MB). Free memory was 32.0 MB in the beginning and 38.9 MB in the end (delta: -6.9 MB). Peak memory consumption was 7.0 MB. Max. memory is 16.1 GB. * Witness Printer took 117.47 ms. Allocated memory is still 71.3 MB. Free memory was 38.9 MB in the beginning and 34.3 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 30 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 125 locations, 30 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 34 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=125occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 0 LocationsWithAnnotation, 0 PreInvPairs, 0 NumberOfFragments, 0 HoareAnnotationTreeSize, 0 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 0 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 18 SizeOfPredicates, 0 NumberOfNonLiveVariables, 25 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...