./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-regression/test05.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_2ef14b0a-d8c6-49c5-bd75-ea9ff5a12bb2/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_2ef14b0a-d8c6-49c5-bd75-ea9ff5a12bb2/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_2ef14b0a-d8c6-49c5-bd75-ea9ff5a12bb2/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_2ef14b0a-d8c6-49c5-bd75-ea9ff5a12bb2/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-regression/test05.c -s /tmp/vcloud-vcloud-master/worker/run_dir_2ef14b0a-d8c6-49c5-bd75-ea9ff5a12bb2/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_2ef14b0a-d8c6-49c5-bd75-ea9ff5a12bb2/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d041348802bf4718d6612df649aecee20760a6ff ............................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 10:59:02,858 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 10:59:02,860 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 10:59:02,874 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 10:59:02,875 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 10:59:02,876 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 10:59:02,878 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 10:59:02,887 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 10:59:02,892 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 10:59:02,895 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 10:59:02,897 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 10:59:02,898 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 10:59:02,898 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 10:59:02,900 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 10:59:02,902 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 10:59:02,903 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 10:59:02,904 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 10:59:02,905 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 10:59:02,907 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 10:59:02,910 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 10:59:02,914 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 10:59:02,916 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 10:59:02,918 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 10:59:02,919 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 10:59:02,921 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 10:59:02,922 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 10:59:02,922 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 10:59:02,923 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 10:59:02,924 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 10:59:02,924 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 10:59:02,925 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 10:59:02,925 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 10:59:02,926 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 10:59:02,927 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 10:59:02,928 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 10:59:02,929 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 10:59:02,929 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 10:59:02,929 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 10:59:02,930 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 10:59:02,930 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 10:59:02,932 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 10:59:02,932 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_2ef14b0a-d8c6-49c5-bd75-ea9ff5a12bb2/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-20 10:59:02,965 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 10:59:02,965 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 10:59:02,966 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 10:59:02,966 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 10:59:02,967 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 10:59:02,967 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 10:59:02,967 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 10:59:02,967 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 10:59:02,967 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 10:59:02,967 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 10:59:02,968 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 10:59:02,968 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 10:59:02,968 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 10:59:02,968 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 10:59:02,968 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 10:59:02,968 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 10:59:02,969 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 10:59:02,969 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 10:59:02,969 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 10:59:02,969 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 10:59:02,969 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 10:59:02,970 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 10:59:02,970 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 10:59:02,970 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 10:59:02,970 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 10:59:02,970 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 10:59:02,971 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 10:59:02,971 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 10:59:02,971 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_2ef14b0a-d8c6-49c5-bd75-ea9ff5a12bb2/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d041348802bf4718d6612df649aecee20760a6ff [2019-11-20 10:59:03,148 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 10:59:03,164 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 10:59:03,168 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 10:59:03,169 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 10:59:03,170 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 10:59:03,170 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_2ef14b0a-d8c6-49c5-bd75-ea9ff5a12bb2/bin/uautomizer/../../sv-benchmarks/c/ldv-regression/test05.c [2019-11-20 10:59:03,226 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2ef14b0a-d8c6-49c5-bd75-ea9ff5a12bb2/bin/uautomizer/data/1485df3e9/a38d1918f3074d8286adee4628e5e1fe/FLAGdd671e308 [2019-11-20 10:59:03,595 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 10:59:03,595 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_2ef14b0a-d8c6-49c5-bd75-ea9ff5a12bb2/sv-benchmarks/c/ldv-regression/test05.c [2019-11-20 10:59:03,600 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2ef14b0a-d8c6-49c5-bd75-ea9ff5a12bb2/bin/uautomizer/data/1485df3e9/a38d1918f3074d8286adee4628e5e1fe/FLAGdd671e308 [2019-11-20 10:59:03,975 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_2ef14b0a-d8c6-49c5-bd75-ea9ff5a12bb2/bin/uautomizer/data/1485df3e9/a38d1918f3074d8286adee4628e5e1fe [2019-11-20 10:59:03,977 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 10:59:03,978 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 10:59:03,979 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 10:59:03,979 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 10:59:03,982 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 10:59:03,983 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:59:03" (1/1) ... [2019-11-20 10:59:03,985 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d9c4f1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:59:03, skipping insertion in model container [2019-11-20 10:59:03,985 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:59:03" (1/1) ... [2019-11-20 10:59:03,992 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 10:59:04,006 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 10:59:04,182 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 10:59:04,190 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 10:59:04,267 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 10:59:04,281 INFO L192 MainTranslator]: Completed translation [2019-11-20 10:59:04,281 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:59:04 WrapperNode [2019-11-20 10:59:04,281 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 10:59:04,282 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 10:59:04,282 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 10:59:04,282 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 10:59:04,290 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:59:04" (1/1) ... [2019-11-20 10:59:04,297 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:59:04" (1/1) ... [2019-11-20 10:59:04,317 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 10:59:04,317 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 10:59:04,317 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 10:59:04,318 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 10:59:04,326 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:59:04" (1/1) ... [2019-11-20 10:59:04,326 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:59:04" (1/1) ... [2019-11-20 10:59:04,328 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:59:04" (1/1) ... [2019-11-20 10:59:04,328 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:59:04" (1/1) ... [2019-11-20 10:59:04,333 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:59:04" (1/1) ... [2019-11-20 10:59:04,335 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:59:04" (1/1) ... [2019-11-20 10:59:04,337 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:59:04" (1/1) ... [2019-11-20 10:59:04,339 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 10:59:04,339 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 10:59:04,339 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 10:59:04,340 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 10:59:04,340 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:59:04" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2ef14b0a-d8c6-49c5-bd75-ea9ff5a12bb2/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 10:59:04,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-20 10:59:04,391 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-20 10:59:04,391 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 10:59:04,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 10:59:04,392 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-20 10:59:04,392 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 10:59:04,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-20 10:59:04,392 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 10:59:04,723 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 10:59:04,723 INFO L285 CfgBuilder]: Removed 8 assume(true) statements. [2019-11-20 10:59:04,725 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:59:04 BoogieIcfgContainer [2019-11-20 10:59:04,725 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 10:59:04,726 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 10:59:04,726 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 10:59:04,728 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 10:59:04,728 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 10:59:03" (1/3) ... [2019-11-20 10:59:04,729 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13e1740c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:59:04, skipping insertion in model container [2019-11-20 10:59:04,729 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:59:04" (2/3) ... [2019-11-20 10:59:04,730 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13e1740c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:59:04, skipping insertion in model container [2019-11-20 10:59:04,730 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:59:04" (3/3) ... [2019-11-20 10:59:04,731 INFO L109 eAbstractionObserver]: Analyzing ICFG test05.c [2019-11-20 10:59:04,740 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 10:59:04,751 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-20 10:59:04,762 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-20 10:59:04,784 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 10:59:04,784 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 10:59:04,784 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 10:59:04,784 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 10:59:04,784 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 10:59:04,785 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 10:59:04,785 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 10:59:04,785 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 10:59:04,800 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states. [2019-11-20 10:59:04,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-11-20 10:59:04,805 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 10:59:04,805 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-11-20 10:59:04,806 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 10:59:04,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:59:04,812 INFO L82 PathProgramCache]: Analyzing trace with hash 889629870, now seen corresponding path program 1 times [2019-11-20 10:59:04,820 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:59:04,820 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404548471] [2019-11-20 10:59:04,821 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:59:04,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:59:04,985 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:59:04,986 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1404548471] [2019-11-20 10:59:04,987 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 10:59:04,987 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 10:59:04,988 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2117669248] [2019-11-20 10:59:04,992 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 10:59:04,992 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 10:59:05,004 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 10:59:05,005 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 10:59:05,007 INFO L87 Difference]: Start difference. First operand 12 states. Second operand 3 states. [2019-11-20 10:59:05,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 10:59:05,025 INFO L93 Difference]: Finished difference Result 20 states and 23 transitions. [2019-11-20 10:59:05,026 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 10:59:05,028 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2019-11-20 10:59:05,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 10:59:05,036 INFO L225 Difference]: With dead ends: 20 [2019-11-20 10:59:05,036 INFO L226 Difference]: Without dead ends: 9 [2019-11-20 10:59:05,038 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 10:59:05,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2019-11-20 10:59:05,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2019-11-20 10:59:05,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2019-11-20 10:59:05,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2019-11-20 10:59:05,067 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 6 [2019-11-20 10:59:05,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 10:59:05,068 INFO L462 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2019-11-20 10:59:05,068 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 10:59:05,068 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2019-11-20 10:59:05,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-20 10:59:05,069 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 10:59:05,069 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-20 10:59:05,069 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 10:59:05,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:59:05,069 INFO L82 PathProgramCache]: Analyzing trace with hash 1804905807, now seen corresponding path program 1 times [2019-11-20 10:59:05,070 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:59:05,070 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31122842] [2019-11-20 10:59:05,070 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:59:05,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:59:05,141 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:59:05,141 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [31122842] [2019-11-20 10:59:05,142 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 10:59:05,142 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-20 10:59:05,142 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413479730] [2019-11-20 10:59:05,143 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-20 10:59:05,144 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 10:59:05,144 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 10:59:05,144 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-20 10:59:05,144 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand 4 states. [2019-11-20 10:59:05,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 10:59:05,195 INFO L93 Difference]: Finished difference Result 11 states and 10 transitions. [2019-11-20 10:59:05,196 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-20 10:59:05,196 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2019-11-20 10:59:05,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 10:59:05,196 INFO L225 Difference]: With dead ends: 11 [2019-11-20 10:59:05,196 INFO L226 Difference]: Without dead ends: 9 [2019-11-20 10:59:05,197 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-20 10:59:05,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2019-11-20 10:59:05,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2019-11-20 10:59:05,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2019-11-20 10:59:05,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 8 transitions. [2019-11-20 10:59:05,200 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 8 transitions. Word has length 7 [2019-11-20 10:59:05,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 10:59:05,200 INFO L462 AbstractCegarLoop]: Abstraction has 9 states and 8 transitions. [2019-11-20 10:59:05,200 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-20 10:59:05,200 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 8 transitions. [2019-11-20 10:59:05,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-20 10:59:05,201 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 10:59:05,201 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 10:59:05,201 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 10:59:05,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:59:05,201 INFO L82 PathProgramCache]: Analyzing trace with hash 117506990, now seen corresponding path program 1 times [2019-11-20 10:59:05,201 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:59:05,202 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996517285] [2019-11-20 10:59:05,202 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:59:05,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:59:05,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:59:05,399 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1996517285] [2019-11-20 10:59:05,400 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 10:59:05,400 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-20 10:59:05,400 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410391687] [2019-11-20 10:59:05,400 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-20 10:59:05,400 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 10:59:05,401 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-20 10:59:05,401 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-11-20 10:59:05,401 INFO L87 Difference]: Start difference. First operand 9 states and 8 transitions. Second operand 7 states. [2019-11-20 10:59:05,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 10:59:05,506 INFO L93 Difference]: Finished difference Result 9 states and 8 transitions. [2019-11-20 10:59:05,506 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-20 10:59:05,506 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 8 [2019-11-20 10:59:05,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 10:59:05,507 INFO L225 Difference]: With dead ends: 9 [2019-11-20 10:59:05,507 INFO L226 Difference]: Without dead ends: 0 [2019-11-20 10:59:05,507 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-11-20 10:59:05,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-20 10:59:05,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-20 10:59:05,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-20 10:59:05,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-20 10:59:05,508 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 8 [2019-11-20 10:59:05,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 10:59:05,509 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 10:59:05,509 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-20 10:59:05,509 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-20 10:59:05,509 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 10:59:05,515 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-20 10:59:05,550 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-20 10:59:05,550 INFO L444 ceAbstractionStarter]: For program point L38(lines 38 40) no Hoare annotation was computed. [2019-11-20 10:59:05,550 INFO L444 ceAbstractionStarter]: For program point L34(lines 34 36) no Hoare annotation was computed. [2019-11-20 10:59:05,551 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-20 10:59:05,551 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-20 10:59:05,551 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-20 10:59:05,551 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-11-20 10:59:05,551 INFO L440 ceAbstractionStarter]: At program point L16(lines 11 18) the Hoare annotation is: (let ((.cse0 (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#p1~0.base|) |ULTIMATE.start_main_~#p1~0.offset|))) (and (= (select (select |#memory_int| .cse0) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#p1~0.base|) |ULTIMATE.start_main_~#p1~0.offset|)) 0) (= ULTIMATE.start_f_~a 4) (= 1 |ULTIMATE.start_f_#res|) (not (= |ULTIMATE.start_main_~#a~0.base| .cse0)) (not (= |ULTIMATE.start_main_~#a~0.base| |ULTIMATE.start_main_~#p1~0.base|)))) [2019-11-20 10:59:05,552 INFO L440 ceAbstractionStarter]: At program point L45(lines 20 46) the Hoare annotation is: (= ULTIMATE.start_f_~a 4) [2019-11-20 10:59:05,552 INFO L444 ceAbstractionStarter]: For program point L12(lines 12 17) no Hoare annotation was computed. [2019-11-20 10:59:05,552 INFO L440 ceAbstractionStarter]: At program point L39(lines 20 46) the Hoare annotation is: false [2019-11-20 10:59:05,552 INFO L444 ceAbstractionStarter]: For program point L4(lines 4 9) no Hoare annotation was computed. [2019-11-20 10:59:05,562 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-11-20 10:59:05,563 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2019-11-20 10:59:05,563 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-11-20 10:59:05,566 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-20 10:59:05,567 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-11-20 10:59:05,567 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-11-20 10:59:05,569 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-11-20 10:59:05,571 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-11-20 10:59:05,572 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2019-11-20 10:59:05,572 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-11-20 10:59:05,573 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-20 10:59:05,573 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-11-20 10:59:05,573 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-11-20 10:59:05,573 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-11-20 10:59:05,578 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 10:59:05 BoogieIcfgContainer [2019-11-20 10:59:05,578 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 10:59:05,578 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 10:59:05,578 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 10:59:05,579 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 10:59:05,579 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:59:04" (3/4) ... [2019-11-20 10:59:05,583 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 10:59:05,597 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2019-11-20 10:59:05,597 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-20 10:59:05,598 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-20 10:59:05,623 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((unknown-#memory_int-unknown[#memory_$Pointer$[p1][p1]][#memory_$Pointer$[p1][p1]] == 0 && a == 4) && 1 == \result) && !(a == #memory_$Pointer$[p1][p1])) && !(a == p1) [2019-11-20 10:59:05,653 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_2ef14b0a-d8c6-49c5-bd75-ea9ff5a12bb2/bin/uautomizer/witness.graphml [2019-11-20 10:59:05,653 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 10:59:05,655 INFO L168 Benchmark]: Toolchain (without parser) took 1676.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 951.4 MB in the beginning and 1.0 GB in the end (delta: -77.3 MB). Peak memory consumption was 51.7 MB. Max. memory is 11.5 GB. [2019-11-20 10:59:05,656 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 10:59:05,656 INFO L168 Benchmark]: CACSL2BoogieTranslator took 302.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -170.7 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. [2019-11-20 10:59:05,657 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.12 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2019-11-20 10:59:05,657 INFO L168 Benchmark]: Boogie Preprocessor took 21.67 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 10:59:05,658 INFO L168 Benchmark]: RCFGBuilder took 385.53 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 29.6 MB). Peak memory consumption was 29.6 MB. Max. memory is 11.5 GB. [2019-11-20 10:59:05,658 INFO L168 Benchmark]: TraceAbstraction took 852.25 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: 60.4 MB). Peak memory consumption was 60.4 MB. Max. memory is 11.5 GB. [2019-11-20 10:59:05,658 INFO L168 Benchmark]: Witness Printer took 75.21 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 10:59:05,661 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 302.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -170.7 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 35.12 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.67 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 385.53 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 29.6 MB). Peak memory consumption was 29.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 852.25 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 60.4 MB). Peak memory consumption was 60.4 MB. Max. memory is 11.5 GB. * Witness Printer took 75.21 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: 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: 11]: Loop Invariant [2019-11-20 10:59:05,666 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-11-20 10:59:05,666 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2019-11-20 10:59:05,667 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-11-20 10:59:05,667 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-20 10:59:05,667 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-11-20 10:59:05,668 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-11-20 10:59:05,668 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-11-20 10:59:05,668 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-11-20 10:59:05,669 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2019-11-20 10:59:05,669 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-11-20 10:59:05,669 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-20 10:59:05,669 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-11-20 10:59:05,670 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-11-20 10:59:05,670 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: (((unknown-#memory_int-unknown[#memory_$Pointer$[p1][p1]][#memory_$Pointer$[p1][p1]] == 0 && a == 4) && 1 == \result) && !(a == #memory_$Pointer$[p1][p1])) && !(a == p1) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: a == 4 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 12 locations, 1 error locations. Result: SAFE, OverallTime: 0.7s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 20 SDtfs, 15 SDslu, 15 SDs, 0 SdLazy, 18 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12occurred 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, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 5 NumberOfFragments, 38 HoareAnnotationTreeSize, 3 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 816 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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...