./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 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_016b2a86-da9b-430e-b5aa-a9e2669ada18/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_016b2a86-da9b-430e-b5aa-a9e2669ada18/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_016b2a86-da9b-430e-b5aa-a9e2669ada18/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_016b2a86-da9b-430e-b5aa-a9e2669ada18/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-regression/test05.c -s /tmp/vcloud-vcloud-master/worker/run_dir_016b2a86-da9b-430e-b5aa-a9e2669ada18/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_016b2a86-da9b-430e-b5aa-a9e2669ada18/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 0.1.24-6b5699a [2019-11-25 08:48:58,284 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 08:48:58,286 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 08:48:58,296 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 08:48:58,296 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 08:48:58,297 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 08:48:58,298 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 08:48:58,301 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 08:48:58,303 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 08:48:58,303 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 08:48:58,304 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 08:48:58,306 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 08:48:58,306 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 08:48:58,307 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 08:48:58,308 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 08:48:58,309 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 08:48:58,310 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 08:48:58,311 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 08:48:58,313 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 08:48:58,315 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 08:48:58,317 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 08:48:58,318 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 08:48:58,319 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 08:48:58,320 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 08:48:58,323 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 08:48:58,324 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 08:48:58,324 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 08:48:58,325 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 08:48:58,325 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 08:48:58,326 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 08:48:58,327 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 08:48:58,327 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 08:48:58,328 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 08:48:58,329 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 08:48:58,330 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 08:48:58,330 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 08:48:58,331 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 08:48:58,333 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 08:48:58,334 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 08:48:58,335 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 08:48:58,335 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 08:48:58,336 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_016b2a86-da9b-430e-b5aa-a9e2669ada18/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 08:48:58,355 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 08:48:58,355 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 08:48:58,356 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 08:48:58,357 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 08:48:58,357 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 08:48:58,357 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 08:48:58,358 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 08:48:58,358 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 08:48:58,358 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 08:48:58,358 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 08:48:58,359 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 08:48:58,360 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 08:48:58,360 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 08:48:58,360 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 08:48:58,360 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 08:48:58,361 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 08:48:58,361 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 08:48:58,361 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 08:48:58,361 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 08:48:58,362 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 08:48:58,362 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 08:48:58,362 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 08:48:58,362 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 08:48:58,363 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 08:48:58,363 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 08:48:58,363 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 08:48:58,363 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 08:48:58,364 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 08:48:58,364 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_016b2a86-da9b-430e-b5aa-a9e2669ada18/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 [2019-11-25 08:48:58,509 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 08:48:58,519 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 08:48:58,522 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 08:48:58,523 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 08:48:58,523 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 08:48:58,524 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_016b2a86-da9b-430e-b5aa-a9e2669ada18/bin/uautomizer/../../sv-benchmarks/c/ldv-regression/test05.c [2019-11-25 08:48:58,573 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_016b2a86-da9b-430e-b5aa-a9e2669ada18/bin/uautomizer/data/c4cd681ce/70f28daf01d14f08874ec8d86db02f95/FLAGa619fd857 [2019-11-25 08:48:58,959 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 08:48:58,960 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_016b2a86-da9b-430e-b5aa-a9e2669ada18/sv-benchmarks/c/ldv-regression/test05.c [2019-11-25 08:48:58,966 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_016b2a86-da9b-430e-b5aa-a9e2669ada18/bin/uautomizer/data/c4cd681ce/70f28daf01d14f08874ec8d86db02f95/FLAGa619fd857 [2019-11-25 08:48:59,319 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_016b2a86-da9b-430e-b5aa-a9e2669ada18/bin/uautomizer/data/c4cd681ce/70f28daf01d14f08874ec8d86db02f95 [2019-11-25 08:48:59,321 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 08:48:59,322 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-25 08:48:59,323 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 08:48:59,323 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 08:48:59,326 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 08:48:59,327 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:48:59" (1/1) ... [2019-11-25 08:48:59,329 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48893e2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:48:59, skipping insertion in model container [2019-11-25 08:48:59,330 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:48:59" (1/1) ... [2019-11-25 08:48:59,336 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 08:48:59,353 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-25 08:48:59,515 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:48:59,584 INFO L201 MainTranslator]: Completed pre-run [2019-11-25 08:48:59,603 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:48:59,620 INFO L205 MainTranslator]: Completed translation [2019-11-25 08:48:59,620 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:48:59 WrapperNode [2019-11-25 08:48:59,621 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 08:48:59,622 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 08:48:59,622 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 08:48:59,622 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 08:48:59,629 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:48:59" (1/1) ... [2019-11-25 08:48:59,637 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:48:59" (1/1) ... [2019-11-25 08:48:59,661 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 08:48:59,661 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 08:48:59,661 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 08:48:59,662 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 08:48:59,668 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:48:59" (1/1) ... [2019-11-25 08:48:59,668 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:48:59" (1/1) ... [2019-11-25 08:48:59,670 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:48:59" (1/1) ... [2019-11-25 08:48:59,671 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:48:59" (1/1) ... [2019-11-25 08:48:59,675 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:48:59" (1/1) ... [2019-11-25 08:48:59,677 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:48:59" (1/1) ... [2019-11-25 08:48:59,679 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:48:59" (1/1) ... [2019-11-25 08:48:59,681 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 08:48:59,681 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-25 08:48:59,682 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-25 08:48:59,682 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-25 08:48:59,683 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:48:59" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_016b2a86-da9b-430e-b5aa-a9e2669ada18/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 08:48:59,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-25 08:48:59,730 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-25 08:48:59,730 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-25 08:48:59,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-25 08:48:59,731 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-25 08:48:59,732 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-25 08:48:59,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-25 08:48:59,732 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-25 08:49:00,038 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-25 08:49:00,038 INFO L284 CfgBuilder]: Removed 8 assume(true) statements. [2019-11-25 08:49:00,039 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:49:00 BoogieIcfgContainer [2019-11-25 08:49:00,039 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-25 08:49:00,040 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-25 08:49:00,040 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-25 08:49:00,043 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-25 08:49:00,043 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 08:48:59" (1/3) ... [2019-11-25 08:49:00,044 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71fbb5e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:49:00, skipping insertion in model container [2019-11-25 08:49:00,044 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:48:59" (2/3) ... [2019-11-25 08:49:00,045 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71fbb5e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:49:00, skipping insertion in model container [2019-11-25 08:49:00,045 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:49:00" (3/3) ... [2019-11-25 08:49:00,046 INFO L109 eAbstractionObserver]: Analyzing ICFG test05.c [2019-11-25 08:49:00,060 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-25 08:49:00,067 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-25 08:49:00,080 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-25 08:49:00,101 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-25 08:49:00,101 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-25 08:49:00,101 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-25 08:49:00,101 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-25 08:49:00,101 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-25 08:49:00,101 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-25 08:49:00,102 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-25 08:49:00,102 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-25 08:49:00,112 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states. [2019-11-25 08:49:00,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-11-25 08:49:00,117 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:49:00,118 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-11-25 08:49:00,118 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:49:00,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:49:00,124 INFO L82 PathProgramCache]: Analyzing trace with hash 889629870, now seen corresponding path program 1 times [2019-11-25 08:49:00,132 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:49:00,133 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1245624653] [2019-11-25 08:49:00,133 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:49:00,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:49:00,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:49:00,309 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1245624653] [2019-11-25 08:49:00,309 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:49:00,310 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-25 08:49:00,310 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636353040] [2019-11-25 08:49:00,314 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-25 08:49:00,315 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:49:00,327 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-25 08:49:00,328 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:49:00,331 INFO L87 Difference]: Start difference. First operand 12 states. Second operand 3 states. [2019-11-25 08:49:00,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:49:00,365 INFO L93 Difference]: Finished difference Result 20 states and 23 transitions. [2019-11-25 08:49:00,367 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-25 08:49:00,369 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2019-11-25 08:49:00,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:49:00,377 INFO L225 Difference]: With dead ends: 20 [2019-11-25 08:49:00,377 INFO L226 Difference]: Without dead ends: 9 [2019-11-25 08:49:00,379 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 [2019-11-25 08:49:00,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2019-11-25 08:49:00,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2019-11-25 08:49:00,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2019-11-25 08:49:00,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2019-11-25 08:49:00,403 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 6 [2019-11-25 08:49:00,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:49:00,403 INFO L462 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2019-11-25 08:49:00,404 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-25 08:49:00,404 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2019-11-25 08:49:00,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-25 08:49:00,404 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:49:00,405 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:49:00,405 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:49:00,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:49:00,405 INFO L82 PathProgramCache]: Analyzing trace with hash 1804905807, now seen corresponding path program 1 times [2019-11-25 08:49:00,405 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:49:00,406 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1444806829] [2019-11-25 08:49:00,406 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:49:00,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:49:00,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:49:00,502 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1444806829] [2019-11-25 08:49:00,505 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:49:00,506 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-25 08:49:00,506 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677387324] [2019-11-25 08:49:00,507 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-25 08:49:00,507 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:49:00,508 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-25 08:49:00,508 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-25 08:49:00,508 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand 4 states. [2019-11-25 08:49:00,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:49:00,548 INFO L93 Difference]: Finished difference Result 11 states and 10 transitions. [2019-11-25 08:49:00,549 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-25 08:49:00,549 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2019-11-25 08:49:00,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:49:00,549 INFO L225 Difference]: With dead ends: 11 [2019-11-25 08:49:00,549 INFO L226 Difference]: Without dead ends: 9 [2019-11-25 08:49:00,550 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 [2019-11-25 08:49:00,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2019-11-25 08:49:00,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2019-11-25 08:49:00,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2019-11-25 08:49:00,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 8 transitions. [2019-11-25 08:49:00,553 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 8 transitions. Word has length 7 [2019-11-25 08:49:00,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:49:00,553 INFO L462 AbstractCegarLoop]: Abstraction has 9 states and 8 transitions. [2019-11-25 08:49:00,553 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-25 08:49:00,553 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 8 transitions. [2019-11-25 08:49:00,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-25 08:49:00,554 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:49:00,554 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:49:00,554 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:49:00,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:49:00,555 INFO L82 PathProgramCache]: Analyzing trace with hash 117506990, now seen corresponding path program 1 times [2019-11-25 08:49:00,555 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:49:00,555 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1746360990] [2019-11-25 08:49:00,556 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:49:00,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:49:00,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:49:00,778 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1746360990] [2019-11-25 08:49:00,778 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:49:00,778 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-25 08:49:00,779 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817946032] [2019-11-25 08:49:00,779 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-25 08:49:00,779 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:49:00,779 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-25 08:49:00,780 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-11-25 08:49:00,780 INFO L87 Difference]: Start difference. First operand 9 states and 8 transitions. Second operand 7 states. [2019-11-25 08:49:00,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:49:00,890 INFO L93 Difference]: Finished difference Result 9 states and 8 transitions. [2019-11-25 08:49:00,890 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-25 08:49:00,890 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 8 [2019-11-25 08:49:00,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:49:00,891 INFO L225 Difference]: With dead ends: 9 [2019-11-25 08:49:00,891 INFO L226 Difference]: Without dead ends: 0 [2019-11-25 08:49:00,891 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 [2019-11-25 08:49:00,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-25 08:49:00,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-25 08:49:00,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-25 08:49:00,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-25 08:49:00,892 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 8 [2019-11-25 08:49:00,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:49:00,892 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-25 08:49:00,892 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-25 08:49:00,893 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-25 08:49:00,893 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-25 08:49:00,898 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-25 08:49:00,932 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-25 08:49:00,932 INFO L444 ceAbstractionStarter]: For program point L38(lines 38 40) no Hoare annotation was computed. [2019-11-25 08:49:00,932 INFO L444 ceAbstractionStarter]: For program point L34(lines 34 36) no Hoare annotation was computed. [2019-11-25 08:49:00,932 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-25 08:49:00,932 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-25 08:49:00,933 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-25 08:49:00,933 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-11-25 08:49:00,933 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|)))) [2019-11-25 08:49:00,933 INFO L440 ceAbstractionStarter]: At program point L45(lines 20 46) the Hoare annotation is: (= ULTIMATE.start_f_~a 4) [2019-11-25 08:49:00,933 INFO L444 ceAbstractionStarter]: For program point L12(lines 12 17) no Hoare annotation was computed. [2019-11-25 08:49:00,934 INFO L440 ceAbstractionStarter]: At program point L39(lines 20 46) the Hoare annotation is: false [2019-11-25 08:49:00,934 INFO L444 ceAbstractionStarter]: For program point L4(lines 4 9) no Hoare annotation was computed. [2019-11-25 08:49:00,949 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-11-25 08:49:00,950 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2019-11-25 08:49:00,951 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-11-25 08:49:00,953 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-25 08:49:00,954 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-11-25 08:49:00,955 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-11-25 08:49:00,955 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-11-25 08:49:00,957 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-11-25 08:49:00,958 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2019-11-25 08:49:00,958 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-11-25 08:49:00,960 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-25 08:49:00,961 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-11-25 08:49:00,961 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-11-25 08:49:00,961 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-11-25 08:49:00,966 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 08:49:00 BoogieIcfgContainer [2019-11-25 08:49:00,966 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-25 08:49:00,966 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-25 08:49:00,967 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-25 08:49:00,967 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-25 08:49:00,968 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:49:00" (3/4) ... [2019-11-25 08:49:00,971 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-25 08:49:00,985 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2019-11-25 08:49:00,985 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-25 08:49:00,986 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-25 08:49:01,035 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) [2019-11-25 08:49:01,067 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_016b2a86-da9b-430e-b5aa-a9e2669ada18/bin/uautomizer/witness.graphml [2019-11-25 08:49:01,067 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-25 08:49:01,069 INFO L168 Benchmark]: Toolchain (without parser) took 1746.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 944.7 MB in the beginning and 1.0 GB in the end (delta: -104.8 MB). Peak memory consumption was 44.6 MB. Max. memory is 11.5 GB. [2019-11-25 08:49:01,069 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:49:01,070 INFO L168 Benchmark]: CACSL2BoogieTranslator took 298.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -197.8 MB). Peak memory consumption was 22.7 MB. Max. memory is 11.5 GB. [2019-11-25 08:49:01,070 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.42 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. [2019-11-25 08:49:01,071 INFO L168 Benchmark]: Boogie Preprocessor took 19.82 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:49:01,071 INFO L168 Benchmark]: RCFGBuilder took 358.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 28.4 MB). Peak memory consumption was 28.4 MB. Max. memory is 11.5 GB. [2019-11-25 08:49:01,071 INFO L168 Benchmark]: TraceAbstraction took 925.60 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: 54.5 MB). Peak memory consumption was 54.5 MB. Max. memory is 11.5 GB. [2019-11-25 08:49:01,072 INFO L168 Benchmark]: Witness Printer took 101.02 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-11-25 08:49:01,074 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 298.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -197.8 MB). Peak memory consumption was 22.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 39.42 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.82 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 358.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 28.4 MB). Peak memory consumption was 28.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 925.60 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 54.5 MB). Peak memory consumption was 54.5 MB. Max. memory is 11.5 GB. * Witness Printer took 101.02 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.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 [2019-11-25 08:49:01,083 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-11-25 08:49:01,083 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2019-11-25 08:49:01,083 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-11-25 08:49:01,085 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-25 08:49:01,085 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-11-25 08:49:01,085 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-11-25 08:49:01,085 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-11-25 08:49:01,087 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-11-25 08:49:01,089 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2019-11-25 08:49:01,089 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-11-25 08:49:01,089 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-25 08:49:01,090 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-11-25 08:49:01,090 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-11-25 08:49:01,090 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: 0.8s, 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...