./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-industry-pattern/ofuf_4.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_590d3b0f-a916-4813-8959-46c06ddd64ba/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_590d3b0f-a916-4813-8959-46c06ddd64ba/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_590d3b0f-a916-4813-8959-46c06ddd64ba/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_590d3b0f-a916-4813-8959-46c06ddd64ba/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/loop-industry-pattern/ofuf_4.c -s /tmp/vcloud-vcloud-master/worker/run_dir_590d3b0f-a916-4813-8959-46c06ddd64ba/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_590d3b0f-a916-4813-8959-46c06ddd64ba/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d9173b5752f2ad7e2ef0e121ccbbcc0f8d06ad57 .............................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-26 02:11:56,977 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:11:56,979 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:11:56,993 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:11:56,994 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:11:56,995 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:11:56,996 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:11:57,004 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:11:57,009 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:11:57,012 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:11:57,013 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:11:57,014 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:11:57,015 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:11:57,017 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:11:57,017 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:11:57,018 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:11:57,019 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:11:57,020 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:11:57,022 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:11:57,025 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:11:57,029 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:11:57,032 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:11:57,033 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:11:57,033 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:11:57,036 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:11:57,036 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:11:57,036 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:11:57,037 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:11:57,038 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:11:57,039 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:11:57,039 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:11:57,040 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:11:57,040 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:11:57,041 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:11:57,042 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:11:57,042 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:11:57,042 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:11:57,043 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:11:57,043 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:11:57,043 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:11:57,045 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:11:57,045 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_590d3b0f-a916-4813-8959-46c06ddd64ba/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-26 02:11:57,069 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:11:57,069 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:11:57,069 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:11:57,070 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-26 02:11:57,070 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-26 02:11:57,070 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-26 02:11:57,070 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-26 02:11:57,070 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-26 02:11:57,070 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-26 02:11:57,071 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-26 02:11:57,071 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-26 02:11:57,071 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-26 02:11:57,071 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-26 02:11:57,071 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-26 02:11:57,072 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-26 02:11:57,072 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:11:57,072 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:11:57,072 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:11:57,073 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:11:57,073 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:11:57,073 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:11:57,073 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:11:57,073 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:11:57,074 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:11:57,074 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:11:57,074 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:11:57,074 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:11:57,074 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:11:57,074 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 02:11:57,075 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 02:11:57,075 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:11:57,075 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:11:57,075 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:11:57,075 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-26 02:11:57,075 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 02:11:57,076 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:11:57,076 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 02:11:57,076 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_590d3b0f-a916-4813-8959-46c06ddd64ba/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(__VERIFIER_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 -> d9173b5752f2ad7e2ef0e121ccbbcc0f8d06ad57 [2019-11-26 02:11:57,250 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:11:57,267 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:11:57,270 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:11:57,271 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:11:57,272 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:11:57,272 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_590d3b0f-a916-4813-8959-46c06ddd64ba/bin/utaipan/../../sv-benchmarks/c/loop-industry-pattern/ofuf_4.c [2019-11-26 02:11:57,330 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_590d3b0f-a916-4813-8959-46c06ddd64ba/bin/utaipan/data/8ecbe5adf/d450601c4ea54667acf62fe7721c12a1/FLAGd47c5efc7 [2019-11-26 02:11:57,761 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:11:57,761 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_590d3b0f-a916-4813-8959-46c06ddd64ba/sv-benchmarks/c/loop-industry-pattern/ofuf_4.c [2019-11-26 02:11:57,773 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_590d3b0f-a916-4813-8959-46c06ddd64ba/bin/utaipan/data/8ecbe5adf/d450601c4ea54667acf62fe7721c12a1/FLAGd47c5efc7 [2019-11-26 02:11:58,080 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_590d3b0f-a916-4813-8959-46c06ddd64ba/bin/utaipan/data/8ecbe5adf/d450601c4ea54667acf62fe7721c12a1 [2019-11-26 02:11:58,082 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:11:58,083 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:11:58,084 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:11:58,084 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:11:58,088 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:11:58,089 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:11:58" (1/1) ... [2019-11-26 02:11:58,091 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e0bcfc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:11:58, skipping insertion in model container [2019-11-26 02:11:58,092 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:11:58" (1/1) ... [2019-11-26 02:11:58,099 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:11:58,140 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:11:58,427 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:11:58,438 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:11:58,502 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:11:58,522 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:11:58,523 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:11:58 WrapperNode [2019-11-26 02:11:58,523 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:11:58,524 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:11:58,524 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:11:58,524 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:11:58,532 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:11:58" (1/1) ... [2019-11-26 02:11:58,556 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:11:58" (1/1) ... [2019-11-26 02:11:58,602 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:11:58,602 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:11:58,602 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:11:58,603 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:11:58,611 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:11:58" (1/1) ... [2019-11-26 02:11:58,611 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:11:58" (1/1) ... [2019-11-26 02:11:58,622 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:11:58" (1/1) ... [2019-11-26 02:11:58,623 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:11:58" (1/1) ... [2019-11-26 02:11:58,649 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:11:58" (1/1) ... [2019-11-26 02:11:58,659 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:11:58" (1/1) ... [2019-11-26 02:11:58,665 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:11:58" (1/1) ... [2019-11-26 02:11:58,672 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:11:58,673 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:11:58,673 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:11:58,673 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:11:58,674 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:11:58" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_590d3b0f-a916-4813-8959-46c06ddd64ba/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 [2019-11-26 02:11:58,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-26 02:11:58,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-26 02:11:58,743 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-26 02:11:58,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-26 02:11:58,744 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-26 02:11:58,744 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-26 02:11:58,744 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2019-11-26 02:11:58,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-26 02:11:58,745 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_95 [2019-11-26 02:11:58,745 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_95 [2019-11-26 02:11:58,745 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-26 02:11:58,745 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:11:58,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:11:58,746 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-26 02:12:00,994 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:12:00,994 INFO L284 CfgBuilder]: Removed 38 assume(true) statements. [2019-11-26 02:12:00,995 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:12:00 BoogieIcfgContainer [2019-11-26 02:12:00,996 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:12:00,997 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-26 02:12:00,997 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-26 02:12:00,999 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-26 02:12:00,999 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 02:11:58" (1/3) ... [2019-11-26 02:12:01,000 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c310254 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:12:01, skipping insertion in model container [2019-11-26 02:12:01,000 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:11:58" (2/3) ... [2019-11-26 02:12:01,001 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c310254 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:12:01, skipping insertion in model container [2019-11-26 02:12:01,001 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:12:00" (3/3) ... [2019-11-26 02:12:01,002 INFO L109 eAbstractionObserver]: Analyzing ICFG ofuf_4.c [2019-11-26 02:12:01,011 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-26 02:12:01,020 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-26 02:12:01,030 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-26 02:12:01,055 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-26 02:12:01,055 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-26 02:12:01,055 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-26 02:12:01,055 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-26 02:12:01,056 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-26 02:12:01,056 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-26 02:12:01,056 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-26 02:12:01,057 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-26 02:12:01,082 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states. [2019-11-26 02:12:01,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-26 02:12:01,091 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:12:01,092 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:12:01,093 INFO L410 AbstractCegarLoop]: === Iteration 1 === [Id_MCDC_95Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:12:01,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:12:01,099 INFO L82 PathProgramCache]: Analyzing trace with hash -401724510, now seen corresponding path program 1 times [2019-11-26 02:12:01,108 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:12:01,108 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020431326] [2019-11-26 02:12:01,108 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:12:01,288 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-11-26 02:12:01,289 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [838008485] [2019-11-26 02:12:01,289 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_590d3b0f-a916-4813-8959-46c06ddd64ba/bin/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-26 02:12:01,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:12:01,523 INFO L255 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-26 02:12:01,529 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 02:12:01,573 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:12:01,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:12:01,600 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 02:12:01,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:12:01,616 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2020431326] [2019-11-26 02:12:01,617 INFO L343 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-11-26 02:12:01,617 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [838008485] [2019-11-26 02:12:01,617 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:12:01,618 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-11-26 02:12:01,618 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564797379] [2019-11-26 02:12:01,624 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-26 02:12:01,625 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:12:01,637 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-26 02:12:01,637 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-26 02:12:01,639 INFO L87 Difference]: Start difference. First operand 76 states. Second operand 4 states. [2019-11-26 02:12:01,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:12:01,694 INFO L93 Difference]: Finished difference Result 148 states and 238 transitions. [2019-11-26 02:12:01,695 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-26 02:12:01,696 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2019-11-26 02:12:01,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:12:01,707 INFO L225 Difference]: With dead ends: 148 [2019-11-26 02:12:01,707 INFO L226 Difference]: Without dead ends: 0 [2019-11-26 02:12:01,714 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-26 02:12:01,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-26 02:12:01,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-26 02:12:01,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-26 02:12:01,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-26 02:12:01,734 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 17 [2019-11-26 02:12:01,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:12:01,735 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-26 02:12:01,735 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-26 02:12:01,735 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-26 02:12:01,735 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-26 02:12:01,938 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-26 02:12:01,942 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-26 02:12:01,989 INFO L444 ceAbstractionStarter]: For program point L366(lines 366 369) no Hoare annotation was computed. [2019-11-26 02:12:01,989 INFO L447 ceAbstractionStarter]: At program point L401-3(lines 401 411) the Hoare annotation is: true [2019-11-26 02:12:01,989 INFO L447 ceAbstractionStarter]: At program point L401-4(lines 401 411) the Hoare annotation is: true [2019-11-26 02:12:01,989 INFO L444 ceAbstractionStarter]: For program point L303-1(lines 303 310) no Hoare annotation was computed. [2019-11-26 02:12:01,989 INFO L447 ceAbstractionStarter]: At program point L303-3(lines 303 310) the Hoare annotation is: true [2019-11-26 02:12:01,990 INFO L444 ceAbstractionStarter]: For program point L303-4(lines 303 310) no Hoare annotation was computed. [2019-11-26 02:12:01,990 INFO L447 ceAbstractionStarter]: At program point L371-3(lines 371 388) the Hoare annotation is: true [2019-11-26 02:12:01,990 INFO L444 ceAbstractionStarter]: For program point L306(lines 306 309) no Hoare annotation was computed. [2019-11-26 02:12:01,990 INFO L444 ceAbstractionStarter]: For program point L373(lines 373 376) no Hoare annotation was computed. [2019-11-26 02:12:01,990 INFO L447 ceAbstractionStarter]: At program point L242(lines 188 243) the Hoare annotation is: true [2019-11-26 02:12:01,990 INFO L447 ceAbstractionStarter]: At program point L242-1(lines 188 243) the Hoare annotation is: true [2019-11-26 02:12:01,990 INFO L447 ceAbstractionStarter]: At program point L242-2(lines 188 243) the Hoare annotation is: true [2019-11-26 02:12:01,990 INFO L447 ceAbstractionStarter]: At program point L242-3(lines 188 243) the Hoare annotation is: true [2019-11-26 02:12:01,991 INFO L444 ceAbstractionStarter]: For program point L412(line 412) no Hoare annotation was computed. [2019-11-26 02:12:01,991 INFO L447 ceAbstractionStarter]: At program point L413(lines 422 453) the Hoare annotation is: true [2019-11-26 02:12:01,991 INFO L447 ceAbstractionStarter]: At program point L347-3(lines 347 350) the Hoare annotation is: true [2019-11-26 02:12:01,991 INFO L444 ceAbstractionStarter]: For program point L347-4(lines 327 394) no Hoare annotation was computed. [2019-11-26 02:12:01,991 INFO L444 ceAbstractionStarter]: For program point L447(lines 447 450) no Hoare annotation was computed. [2019-11-26 02:12:01,991 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-26 02:12:01,991 INFO L444 ceAbstractionStarter]: For program point L384(lines 384 387) no Hoare annotation was computed. [2019-11-26 02:12:01,992 INFO L444 ceAbstractionStarter]: For program point L351(lines 351 392) no Hoare annotation was computed. [2019-11-26 02:12:01,992 INFO L447 ceAbstractionStarter]: At program point L353-3(lines 353 391) the Hoare annotation is: true [2019-11-26 02:12:01,992 INFO L444 ceAbstractionStarter]: For program point L221-1(lines 221 228) no Hoare annotation was computed. [2019-11-26 02:12:01,992 INFO L447 ceAbstractionStarter]: At program point L221-3(lines 221 228) the Hoare annotation is: true [2019-11-26 02:12:01,992 INFO L444 ceAbstractionStarter]: For program point L221-4(lines 221 228) no Hoare annotation was computed. [2019-11-26 02:12:01,992 INFO L444 ceAbstractionStarter]: For program point L221-6(lines 221 228) no Hoare annotation was computed. [2019-11-26 02:12:01,992 INFO L447 ceAbstractionStarter]: At program point L221-8(lines 221 228) the Hoare annotation is: true [2019-11-26 02:12:01,992 INFO L444 ceAbstractionStarter]: For program point L221-9(lines 221 228) no Hoare annotation was computed. [2019-11-26 02:12:01,993 INFO L444 ceAbstractionStarter]: For program point L221-11(lines 221 228) no Hoare annotation was computed. [2019-11-26 02:12:01,993 INFO L447 ceAbstractionStarter]: At program point L221-13(lines 221 228) the Hoare annotation is: true [2019-11-26 02:12:01,993 INFO L444 ceAbstractionStarter]: For program point L221-14(lines 221 228) no Hoare annotation was computed. [2019-11-26 02:12:01,993 INFO L444 ceAbstractionStarter]: For program point L221-16(lines 221 228) no Hoare annotation was computed. [2019-11-26 02:12:01,993 INFO L447 ceAbstractionStarter]: At program point L221-18(lines 221 228) the Hoare annotation is: true [2019-11-26 02:12:01,993 INFO L444 ceAbstractionStarter]: For program point L221-19(lines 221 228) no Hoare annotation was computed. [2019-11-26 02:12:01,993 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-26 02:12:01,993 INFO L444 ceAbstractionStarter]: For program point L356(lines 356 359) no Hoare annotation was computed. [2019-11-26 02:12:01,994 INFO L444 ceAbstractionStarter]: For program point L224(lines 224 227) no Hoare annotation was computed. [2019-11-26 02:12:01,994 INFO L444 ceAbstractionStarter]: For program point L224-1(lines 224 227) no Hoare annotation was computed. [2019-11-26 02:12:01,994 INFO L444 ceAbstractionStarter]: For program point L224-2(lines 224 227) no Hoare annotation was computed. [2019-11-26 02:12:01,994 INFO L444 ceAbstractionStarter]: For program point L224-3(lines 224 227) no Hoare annotation was computed. [2019-11-26 02:12:01,994 INFO L447 ceAbstractionStarter]: At program point L324(lines 295 325) the Hoare annotation is: true [2019-11-26 02:12:01,994 INFO L444 ceAbstractionStarter]: For program point L193(lines 193 196) no Hoare annotation was computed. [2019-11-26 02:12:01,994 INFO L444 ceAbstractionStarter]: For program point L193-1(lines 193 196) no Hoare annotation was computed. [2019-11-26 02:12:01,994 INFO L444 ceAbstractionStarter]: For program point L193-2(lines 193 196) no Hoare annotation was computed. [2019-11-26 02:12:01,995 INFO L444 ceAbstractionStarter]: For program point L193-3(lines 193 196) no Hoare annotation was computed. [2019-11-26 02:12:01,995 INFO L447 ceAbstractionStarter]: At program point L393(lines 326 394) the Hoare annotation is: true [2019-11-26 02:12:01,995 INFO L444 ceAbstractionStarter]: For program point L360(lines 360 363) no Hoare annotation was computed. [2019-11-26 02:12:01,995 INFO L444 ceAbstractionStarter]: For program point L197(lines 197 203) no Hoare annotation was computed. [2019-11-26 02:12:01,995 INFO L447 ceAbstractionStarter]: At program point L197-2(lines 197 203) the Hoare annotation is: true [2019-11-26 02:12:01,995 INFO L444 ceAbstractionStarter]: For program point L197-3(lines 197 203) no Hoare annotation was computed. [2019-11-26 02:12:01,995 INFO L447 ceAbstractionStarter]: At program point L197-5(lines 197 203) the Hoare annotation is: true [2019-11-26 02:12:01,995 INFO L444 ceAbstractionStarter]: For program point L197-6(lines 197 203) no Hoare annotation was computed. [2019-11-26 02:12:01,996 INFO L447 ceAbstractionStarter]: At program point L197-8(lines 197 203) the Hoare annotation is: true [2019-11-26 02:12:01,996 INFO L444 ceAbstractionStarter]: For program point L197-9(lines 197 203) no Hoare annotation was computed. [2019-11-26 02:12:01,996 INFO L447 ceAbstractionStarter]: At program point L197-11(lines 197 203) the Hoare annotation is: true [2019-11-26 02:12:01,996 INFO L444 ceAbstractionStarter]: For program point L199(lines 199 202) no Hoare annotation was computed. [2019-11-26 02:12:01,996 INFO L444 ceAbstractionStarter]: For program point L199-1(lines 199 202) no Hoare annotation was computed. [2019-11-26 02:12:01,996 INFO L444 ceAbstractionStarter]: For program point L199-2(lines 199 202) no Hoare annotation was computed. [2019-11-26 02:12:01,996 INFO L444 ceAbstractionStarter]: For program point L199-3(lines 199 202) no Hoare annotation was computed. [2019-11-26 02:12:01,996 INFO L444 ceAbstractionStarter]: For program point L299(lines 299 302) no Hoare annotation was computed. [2019-11-26 02:12:01,997 INFO L444 ceAbstractionStarter]: For program point L283(lines 283 290) no Hoare annotation was computed. [2019-11-26 02:12:01,997 INFO L444 ceAbstractionStarter]: For program point L250(lines 250 264) no Hoare annotation was computed. [2019-11-26 02:12:01,997 INFO L444 ceAbstractionStarter]: For program point L283-2(lines 283 290) no Hoare annotation was computed. [2019-11-26 02:12:01,997 INFO L444 ceAbstractionStarter]: For program point L279(lines 279 282) no Hoare annotation was computed. [2019-11-26 02:12:01,997 INFO L444 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2019-11-26 02:12:01,997 INFO L444 ceAbstractionStarter]: For program point L256(lines 256 264) no Hoare annotation was computed. [2019-11-26 02:12:02,000 INFO L447 ceAbstractionStarter]: At program point L285(line 285) the Hoare annotation is: true [2019-11-26 02:12:02,000 INFO L444 ceAbstractionStarter]: For program point L285-1(line 285) no Hoare annotation was computed. [2019-11-26 02:12:02,000 INFO L447 ceAbstractionStarter]: At program point Id_MCDC_95ENTRY(lines 275 294) the Hoare annotation is: true [2019-11-26 02:12:02,001 INFO L447 ceAbstractionStarter]: At program point L273(lines 244 274) the Hoare annotation is: true [2019-11-26 02:12:02,001 INFO L444 ceAbstractionStarter]: For program point Id_MCDC_95EXIT(lines 275 294) no Hoare annotation was computed. [2019-11-26 02:12:02,001 INFO L444 ceAbstractionStarter]: For program point Id_MCDC_95Err0ASSERT_VIOLATIONERROR_FUNCTION(line 458) no Hoare annotation was computed. [2019-11-26 02:12:02,001 INFO L444 ceAbstractionStarter]: For program point L265-1(lines 245 274) no Hoare annotation was computed. [2019-11-26 02:12:02,001 INFO L444 ceAbstractionStarter]: For program point L456(lines 456 459) no Hoare annotation was computed. [2019-11-26 02:12:02,001 INFO L440 ceAbstractionStarter]: At program point L456-2(lines 454 461) the Hoare annotation is: (= Id_MCDC_95___VERIFIER_assert_~Id_MCDC_103 1) [2019-11-26 02:12:02,001 INFO L444 ceAbstractionStarter]: For program point Id_MCDC_95FINAL(lines 275 294) no Hoare annotation was computed. [2019-11-26 02:12:02,020 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 02:12:02 BoogieIcfgContainer [2019-11-26 02:12:02,020 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-26 02:12:02,020 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 02:12:02,021 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 02:12:02,021 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 02:12:02,021 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:12:00" (3/4) ... [2019-11-26 02:12:02,024 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-26 02:12:02,032 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure Id_MCDC_95 [2019-11-26 02:12:02,075 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 133 nodes and edges [2019-11-26 02:12:02,078 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 42 nodes and edges [2019-11-26 02:12:02,080 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-11-26 02:12:02,083 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-26 02:12:02,085 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-26 02:12:02,088 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-26 02:12:02,288 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_590d3b0f-a916-4813-8959-46c06ddd64ba/bin/utaipan/witness.graphml [2019-11-26 02:12:02,288 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 02:12:02,291 INFO L168 Benchmark]: Toolchain (without parser) took 4206.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 171.4 MB). Free memory was 944.8 MB in the beginning and 1.0 GB in the end (delta: -56.9 MB). Peak memory consumption was 114.6 MB. Max. memory is 11.5 GB. [2019-11-26 02:12:02,291 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:12:02,292 INFO L168 Benchmark]: CACSL2BoogieTranslator took 439.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 171.4 MB). Free memory was 944.8 MB in the beginning and 1.2 GB in the end (delta: -214.7 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2019-11-26 02:12:02,292 INFO L168 Benchmark]: Boogie Procedure Inliner took 78.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-26 02:12:02,292 INFO L168 Benchmark]: Boogie Preprocessor took 70.09 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-26 02:12:02,293 INFO L168 Benchmark]: RCFGBuilder took 2323.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 31.4 MB). Peak memory consumption was 252.5 MB. Max. memory is 11.5 GB. [2019-11-26 02:12:02,293 INFO L168 Benchmark]: TraceAbstraction took 1023.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 88.2 MB). Peak memory consumption was 88.2 MB. Max. memory is 11.5 GB. [2019-11-26 02:12:02,293 INFO L168 Benchmark]: Witness Printer took 268.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 27.5 MB). Peak memory consumption was 27.5 MB. Max. memory is 11.5 GB. [2019-11-26 02:12:02,295 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 439.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 171.4 MB). Free memory was 944.8 MB in the beginning and 1.2 GB in the end (delta: -214.7 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 78.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 70.09 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2323.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 31.4 MB). Peak memory consumption was 252.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1023.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 88.2 MB). Peak memory consumption was 88.2 MB. Max. memory is 11.5 GB. * Witness Printer took 268.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 27.5 MB). Peak memory consumption was 27.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 458]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 188]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 295]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 197]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 221]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 401]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 188]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 221]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 347]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 188]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 188]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 197]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 244]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 454]: Loop Invariant Derived loop invariant: Id_MCDC_103 == 1 - InvariantResult [Line: 326]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 221]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 353]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 197]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 221]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 422]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 303]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 197]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 371]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 76 locations, 1 error locations. Result: SAFE, OverallTime: 0.9s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 115 SDtfs, 6 SDslu, 112 SDs, 0 SdLazy, 1 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=76occurred 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, 25 LocationsWithAnnotation, 37 PreInvPairs, 61 NumberOfFragments, 27 HoareAnnotationTreeSize, 37 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 25 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 32 ConstructedInterpolants, 0 QuantifiedInterpolants, 592 SizeOfPredicates, 15 NumberOfNonLiveVariables, 327 ConjunctsInSsa, 8 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, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...