./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-regression/test10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_281135bf-24e3-43b3-af01-f458b870b294/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_281135bf-24e3-43b3-af01-f458b870b294/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_281135bf-24e3-43b3-af01-f458b870b294/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_281135bf-24e3-43b3-af01-f458b870b294/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-regression/test10.c -s /tmp/vcloud-vcloud-master/worker/run_dir_281135bf-24e3-43b3-af01-f458b870b294/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_281135bf-24e3-43b3-af01-f458b870b294/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 900cf067f789b553aebf3fa7c6ef8f7bd9edc39d ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-11-15 23:38:32,817 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 23:38:32,819 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 23:38:32,837 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 23:38:32,838 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 23:38:32,839 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 23:38:32,842 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 23:38:32,853 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 23:38:32,859 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 23:38:32,861 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 23:38:32,863 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 23:38:32,865 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 23:38:32,866 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 23:38:32,869 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 23:38:32,871 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 23:38:32,873 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 23:38:32,873 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 23:38:32,877 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 23:38:32,880 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 23:38:32,884 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 23:38:32,887 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 23:38:32,889 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 23:38:32,893 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 23:38:32,894 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 23:38:32,897 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 23:38:32,897 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 23:38:32,897 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 23:38:32,899 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 23:38:32,900 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 23:38:32,901 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 23:38:32,901 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 23:38:32,902 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 23:38:32,902 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 23:38:32,903 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 23:38:32,905 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 23:38:32,905 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 23:38:32,907 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 23:38:32,907 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 23:38:32,907 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 23:38:32,908 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 23:38:32,909 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 23:38:32,910 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_281135bf-24e3-43b3-af01-f458b870b294/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-15 23:38:32,939 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 23:38:32,950 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 23:38:32,951 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 23:38:32,952 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 23:38:32,952 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 23:38:32,952 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 23:38:32,953 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 23:38:32,953 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-15 23:38:32,953 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 23:38:32,954 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 23:38:32,954 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-15 23:38:32,954 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-15 23:38:32,954 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-15 23:38:32,955 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 23:38:32,955 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-15 23:38:32,955 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 23:38:32,955 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-15 23:38:32,956 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 23:38:32,956 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 23:38:32,956 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-15 23:38:32,956 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-15 23:38:32,957 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 23:38:32,957 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 23:38:32,957 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-15 23:38:32,958 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-15 23:38:32,959 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-15 23:38:32,959 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-15 23:38:32,960 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-15 23:38:32,960 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_281135bf-24e3-43b3-af01-f458b870b294/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 -> 900cf067f789b553aebf3fa7c6ef8f7bd9edc39d [2019-11-15 23:38:33,002 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 23:38:33,018 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 23:38:33,022 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 23:38:33,023 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 23:38:33,024 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 23:38:33,025 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_281135bf-24e3-43b3-af01-f458b870b294/bin/uautomizer/../../sv-benchmarks/c/ldv-regression/test10.c [2019-11-15 23:38:33,093 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_281135bf-24e3-43b3-af01-f458b870b294/bin/uautomizer/data/f51ec869f/689f0a760c954351b6d545782fb211e8/FLAG7e9c8419e [2019-11-15 23:38:33,562 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 23:38:33,563 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_281135bf-24e3-43b3-af01-f458b870b294/sv-benchmarks/c/ldv-regression/test10.c [2019-11-15 23:38:33,569 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_281135bf-24e3-43b3-af01-f458b870b294/bin/uautomizer/data/f51ec869f/689f0a760c954351b6d545782fb211e8/FLAG7e9c8419e [2019-11-15 23:38:33,918 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_281135bf-24e3-43b3-af01-f458b870b294/bin/uautomizer/data/f51ec869f/689f0a760c954351b6d545782fb211e8 [2019-11-15 23:38:33,921 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 23:38:33,923 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-15 23:38:33,924 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 23:38:33,928 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 23:38:33,931 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 23:38:33,932 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 11:38:33" (1/1) ... [2019-11-15 23:38:33,934 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38956a11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:38:33, skipping insertion in model container [2019-11-15 23:38:33,934 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 11:38:33" (1/1) ... [2019-11-15 23:38:33,942 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 23:38:33,960 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 23:38:34,119 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 23:38:34,215 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 23:38:34,232 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 23:38:34,251 INFO L192 MainTranslator]: Completed translation [2019-11-15 23:38:34,251 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:38:34 WrapperNode [2019-11-15 23:38:34,252 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 23:38:34,253 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-15 23:38:34,253 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-15 23:38:34,253 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-15 23:38:34,263 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:38:34" (1/1) ... [2019-11-15 23:38:34,273 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:38:34" (1/1) ... [2019-11-15 23:38:34,297 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-15 23:38:34,297 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 23:38:34,297 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 23:38:34,297 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 23:38:34,308 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:38:34" (1/1) ... [2019-11-15 23:38:34,308 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:38:34" (1/1) ... [2019-11-15 23:38:34,310 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:38:34" (1/1) ... [2019-11-15 23:38:34,311 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:38:34" (1/1) ... [2019-11-15 23:38:34,317 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:38:34" (1/1) ... [2019-11-15 23:38:34,319 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:38:34" (1/1) ... [2019-11-15 23:38:34,321 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:38:34" (1/1) ... [2019-11-15 23:38:34,324 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 23:38:34,324 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 23:38:34,324 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 23:38:34,325 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 23:38:34,332 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:38:34" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_281135bf-24e3-43b3-af01-f458b870b294/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 [2019-11-15 23:38:34,415 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-15 23:38:34,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-15 23:38:34,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-15 23:38:34,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-15 23:38:34,417 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-15 23:38:34,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-15 23:38:34,418 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 23:38:34,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 23:38:34,418 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-15 23:38:34,840 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 23:38:34,840 INFO L284 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-15 23:38:34,841 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 11:38:34 BoogieIcfgContainer [2019-11-15 23:38:34,841 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 23:38:34,843 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-15 23:38:34,843 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-15 23:38:34,846 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-15 23:38:34,846 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 11:38:33" (1/3) ... [2019-11-15 23:38:34,847 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@366a9469 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 11:38:34, skipping insertion in model container [2019-11-15 23:38:34,847 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:38:34" (2/3) ... [2019-11-15 23:38:34,848 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@366a9469 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 11:38:34, skipping insertion in model container [2019-11-15 23:38:34,848 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 11:38:34" (3/3) ... [2019-11-15 23:38:34,849 INFO L109 eAbstractionObserver]: Analyzing ICFG test10.c [2019-11-15 23:38:34,876 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-15 23:38:34,883 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-15 23:38:34,900 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-15 23:38:34,932 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-15 23:38:34,932 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-15 23:38:34,932 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-15 23:38:34,932 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 23:38:34,932 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 23:38:34,932 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-15 23:38:34,933 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 23:38:34,933 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-15 23:38:34,953 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states. [2019-11-15 23:38:34,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-11-15 23:38:34,960 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:38:34,960 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-11-15 23:38:34,963 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:38:34,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:38:34,971 INFO L82 PathProgramCache]: Analyzing trace with hash 889477034, now seen corresponding path program 1 times [2019-11-15 23:38:34,980 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:38:34,981 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466640121] [2019-11-15 23:38:34,981 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:38:34,981 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:38:34,982 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:38:35,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:38:35,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:38:35,509 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1466640121] [2019-11-15 23:38:35,510 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:38:35,510 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-15 23:38:35,510 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949558133] [2019-11-15 23:38:35,515 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-15 23:38:35,515 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:38:35,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-15 23:38:35,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-15 23:38:35,534 INFO L87 Difference]: Start difference. First operand 10 states. Second operand 5 states. [2019-11-15 23:38:35,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:38:35,702 INFO L93 Difference]: Finished difference Result 16 states and 17 transitions. [2019-11-15 23:38:35,704 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-15 23:38:35,705 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 6 [2019-11-15 23:38:35,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:38:35,717 INFO L225 Difference]: With dead ends: 16 [2019-11-15 23:38:35,717 INFO L226 Difference]: Without dead ends: 7 [2019-11-15 23:38:35,722 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-11-15 23:38:35,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2019-11-15 23:38:35,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2019-11-15 23:38:35,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2019-11-15 23:38:35,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 6 transitions. [2019-11-15 23:38:35,767 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 6 transitions. Word has length 6 [2019-11-15 23:38:35,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:38:35,768 INFO L462 AbstractCegarLoop]: Abstraction has 7 states and 6 transitions. [2019-11-15 23:38:35,768 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-15 23:38:35,768 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 6 transitions. [2019-11-15 23:38:35,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-11-15 23:38:35,770 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:38:35,770 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-11-15 23:38:35,770 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:38:35,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:38:35,771 INFO L82 PathProgramCache]: Analyzing trace with hash 889478956, now seen corresponding path program 1 times [2019-11-15 23:38:35,771 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:38:35,772 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1796459450] [2019-11-15 23:38:35,773 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:38:35,773 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:38:35,773 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:38:35,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:38:35,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:38:35,942 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1796459450] [2019-11-15 23:38:35,942 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:38:35,943 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-15 23:38:35,943 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261030244] [2019-11-15 23:38:35,944 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-15 23:38:35,945 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:38:35,945 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-15 23:38:35,945 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-15 23:38:35,946 INFO L87 Difference]: Start difference. First operand 7 states and 6 transitions. Second operand 6 states. [2019-11-15 23:38:36,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:38:36,234 INFO L93 Difference]: Finished difference Result 7 states and 6 transitions. [2019-11-15 23:38:36,234 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-15 23:38:36,234 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 6 [2019-11-15 23:38:36,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:38:36,235 INFO L225 Difference]: With dead ends: 7 [2019-11-15 23:38:36,235 INFO L226 Difference]: Without dead ends: 0 [2019-11-15 23:38:36,236 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-11-15 23:38:36,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-15 23:38:36,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-15 23:38:36,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-15 23:38:36,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-15 23:38:36,237 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 6 [2019-11-15 23:38:36,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:38:36,238 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-15 23:38:36,238 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-15 23:38:36,238 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-15 23:38:36,238 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-15 23:38:36,244 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-15 23:38:36,360 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-15 23:38:36,360 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-15 23:38:36,360 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-15 23:38:36,360 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-15 23:38:36,360 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 47) no Hoare annotation was computed. [2019-11-15 23:38:36,361 INFO L439 ceAbstractionStarter]: At program point L48(lines 16 49) the Hoare annotation is: (and (not (= |~#b~0.base| |~#p1~0.base|)) (not (= |~#p2~0.base| |~#a~0.base|)) (not (= |~#b~0.base| |~#p2~0.base|)) (not (= |~#b~0.base| |~#a~0.base|)) (= (select (select |#memory_$Pointer$.offset| |~#p1~0.base|) |~#p1~0.offset|) |~#b~0.offset|) (= |~#b~0.base| (select (select |#memory_$Pointer$.base| |~#p1~0.base|) |~#p1~0.offset|)) (not (= |~#p1~0.base| |~#a~0.base|))) [2019-11-15 23:38:36,361 INFO L439 ceAbstractionStarter]: At program point L13(lines 9 14) the Hoare annotation is: (and (not (= |~#p2~0.base| |~#a~0.base|)) (not (= |~#b~0.base| |~#p2~0.base|)) (not (= |~#b~0.base| |~#a~0.base|)) (= ~pp2~0.base |~#p1~0.base|) (= (select (select |#memory_$Pointer$.offset| |~#p1~0.base|) |~#p1~0.offset|) |~#b~0.offset|) (not (= |~#b~0.base| ~pp2~0.base)) (= |~#b~0.base| (select (select |#memory_$Pointer$.base| |~#p1~0.base|) |~#p1~0.offset|)) (= |~#p1~0.offset| ~pp2~0.offset) (not (= |~#p1~0.base| |~#a~0.base|))) [2019-11-15 23:38:36,361 INFO L439 ceAbstractionStarter]: At program point L42(lines 16 49) the Hoare annotation is: false [2019-11-15 23:38:36,362 INFO L443 ceAbstractionStarter]: For program point L41(line 41) no Hoare annotation was computed. [2019-11-15 23:38:36,362 INFO L443 ceAbstractionStarter]: For program point L41-2(lines 41 43) no Hoare annotation was computed. [2019-11-15 23:38:36,378 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2019-11-15 23:38:36,380 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-11-15 23:38:36,386 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-11-15 23:38:36,387 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-11-15 23:38:36,388 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2019-11-15 23:38:36,390 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-11-15 23:38:36,391 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-11-15 23:38:36,392 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-11-15 23:38:36,396 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2019-11-15 23:38:36,397 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-11-15 23:38:36,399 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-11-15 23:38:36,399 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-11-15 23:38:36,402 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2019-11-15 23:38:36,403 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-11-15 23:38:36,410 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-11-15 23:38:36,411 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-11-15 23:38:36,419 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.11 11:38:36 BoogieIcfgContainer [2019-11-15 23:38:36,420 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-15 23:38:36,421 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-15 23:38:36,421 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-15 23:38:36,421 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-15 23:38:36,422 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 11:38:34" (3/4) ... [2019-11-15 23:38:36,428 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-15 23:38:36,446 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-15 23:38:36,447 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-15 23:38:36,551 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_281135bf-24e3-43b3-af01-f458b870b294/bin/uautomizer/witness.graphml [2019-11-15 23:38:36,551 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-15 23:38:36,553 INFO L168 Benchmark]: Toolchain (without parser) took 2630.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 950.2 MB in the beginning and 995.7 MB in the end (delta: -45.5 MB). Peak memory consumption was 84.5 MB. Max. memory is 11.5 GB. [2019-11-15 23:38:36,554 INFO L168 Benchmark]: CDTParser took 0.28 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. [2019-11-15 23:38:36,554 INFO L168 Benchmark]: CACSL2BoogieTranslator took 328.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 950.2 MB in the beginning and 1.1 GB in the end (delta: -171.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. [2019-11-15 23:38:36,555 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.04 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. [2019-11-15 23:38:36,555 INFO L168 Benchmark]: Boogie Preprocessor took 26.84 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. [2019-11-15 23:38:36,555 INFO L168 Benchmark]: RCFGBuilder took 517.34 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: 30.1 MB). Peak memory consumption was 30.1 MB. Max. memory is 11.5 GB. [2019-11-15 23:38:36,556 INFO L168 Benchmark]: TraceAbstraction took 1577.86 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: 88.6 MB). Peak memory consumption was 88.6 MB. Max. memory is 11.5 GB. [2019-11-15 23:38:36,558 INFO L168 Benchmark]: Witness Printer took 130.27 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 995.7 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-11-15 23:38:36,561 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 328.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 950.2 MB in the beginning and 1.1 GB in the end (delta: -171.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 44.04 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 26.84 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 517.34 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 30.1 MB). Peak memory consumption was 30.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1577.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 88.6 MB). Peak memory consumption was 88.6 MB. Max. memory is 11.5 GB. * Witness Printer took 130.27 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 995.7 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$ - 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_$Pointer$ - 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: 47]: 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: 16]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 16]: Loop Invariant [2019-11-15 23:38:36,571 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2019-11-15 23:38:36,571 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-11-15 23:38:36,573 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-11-15 23:38:36,574 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-11-15 23:38:36,575 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2019-11-15 23:38:36,576 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-11-15 23:38:36,578 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-11-15 23:38:36,579 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: (((((!(b == p1) && !(p2 == a)) && !(b == p2)) && !(b == a)) && #memory_$Pointer$[p1][p1] == b) && b == #memory_$Pointer$[p1][p1]) && !(p1 == a) - InvariantResult [Line: 9]: Loop Invariant [2019-11-15 23:38:36,589 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2019-11-15 23:38:36,590 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-11-15 23:38:36,594 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-11-15 23:38:36,594 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-11-15 23:38:36,597 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2019-11-15 23:38:36,597 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-11-15 23:38:36,598 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-11-15 23:38:36,598 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: (((((((!(p2 == a) && !(b == p2)) && !(b == a)) && pp2 == p1) && #memory_$Pointer$[p1][p1] == b) && !(b == pp2)) && b == #memory_$Pointer$[p1][p1]) && p1 == pp2) && !(p1 == a) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 10 locations, 1 error locations. Result: SAFE, OverallTime: 1.4s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, HoareTripleCheckerStatistics: 7 SDtfs, 14 SDslu, 5 SDs, 0 SdLazy, 16 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 4 NumberOfFragments, 77 HoareAnnotationTreeSize, 3 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 4 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 460 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 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...