./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-sets/test_add_false-unreach-call_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_a4ba7d55-28d6-4b40-812a-7dfaa60dc866/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a4ba7d55-28d6-4b40-812a-7dfaa60dc866/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a4ba7d55-28d6-4b40-812a-7dfaa60dc866/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a4ba7d55-28d6-4b40-812a-7dfaa60dc866/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-sets/test_add_false-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_a4ba7d55-28d6-4b40-812a-7dfaa60dc866/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a4ba7d55-28d6-4b40-812a-7dfaa60dc866/bin-2019/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 278390a66d79c26df0bb9007834f9da647c0b479 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 08:18:38,297 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 08:18:38,298 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 08:18:38,304 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 08:18:38,305 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 08:18:38,305 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 08:18:38,306 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 08:18:38,307 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 08:18:38,308 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 08:18:38,308 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 08:18:38,309 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 08:18:38,309 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 08:18:38,309 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 08:18:38,310 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 08:18:38,310 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 08:18:38,311 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 08:18:38,311 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 08:18:38,312 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 08:18:38,313 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 08:18:38,314 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 08:18:38,315 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 08:18:38,315 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 08:18:38,316 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 08:18:38,317 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 08:18:38,317 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 08:18:38,317 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 08:18:38,318 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 08:18:38,318 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 08:18:38,318 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 08:18:38,319 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 08:18:38,319 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 08:18:38,320 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 08:18:38,320 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 08:18:38,320 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 08:18:38,320 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 08:18:38,321 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 08:18:38,321 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a4ba7d55-28d6-4b40-812a-7dfaa60dc866/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-02 08:18:38,328 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 08:18:38,328 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 08:18:38,329 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 08:18:38,329 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 08:18:38,329 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 08:18:38,329 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 08:18:38,329 INFO L133 SettingsManager]: * Use SBE=true [2018-12-02 08:18:38,330 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 08:18:38,330 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 08:18:38,330 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 08:18:38,330 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 08:18:38,330 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 08:18:38,330 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 08:18:38,330 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 08:18:38,330 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 08:18:38,331 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 08:18:38,331 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 08:18:38,331 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 08:18:38,331 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 08:18:38,331 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 08:18:38,331 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 08:18:38,331 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 08:18:38,331 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 08:18:38,331 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 08:18:38,332 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 08:18:38,332 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 08:18:38,332 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 08:18:38,332 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-02 08:18:38,332 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 08:18:38,332 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 08:18:38,332 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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/working_dir_a4ba7d55-28d6-4b40-812a-7dfaa60dc866/bin-2019/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 -> 278390a66d79c26df0bb9007834f9da647c0b479 [2018-12-02 08:18:38,349 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 08:18:38,356 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 08:18:38,358 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 08:18:38,359 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 08:18:38,359 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 08:18:38,359 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a4ba7d55-28d6-4b40-812a-7dfaa60dc866/bin-2019/uautomizer/../../sv-benchmarks/c/ldv-sets/test_add_false-unreach-call_true-termination.i [2018-12-02 08:18:38,394 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a4ba7d55-28d6-4b40-812a-7dfaa60dc866/bin-2019/uautomizer/data/aa2c0c9ff/c961eff149df42e19826813a8efe7e60/FLAGddb4d3d7f [2018-12-02 08:18:38,879 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 08:18:38,879 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a4ba7d55-28d6-4b40-812a-7dfaa60dc866/sv-benchmarks/c/ldv-sets/test_add_false-unreach-call_true-termination.i [2018-12-02 08:18:38,886 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a4ba7d55-28d6-4b40-812a-7dfaa60dc866/bin-2019/uautomizer/data/aa2c0c9ff/c961eff149df42e19826813a8efe7e60/FLAGddb4d3d7f [2018-12-02 08:18:38,895 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a4ba7d55-28d6-4b40-812a-7dfaa60dc866/bin-2019/uautomizer/data/aa2c0c9ff/c961eff149df42e19826813a8efe7e60 [2018-12-02 08:18:38,897 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 08:18:38,897 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 08:18:38,898 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 08:18:38,898 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 08:18:38,900 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 08:18:38,901 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:18:38" (1/1) ... [2018-12-02 08:18:38,902 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74eb9a43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:18:38, skipping insertion in model container [2018-12-02 08:18:38,903 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:18:38" (1/1) ... [2018-12-02 08:18:38,907 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 08:18:38,926 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 08:18:39,084 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 08:18:39,126 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 08:18:39,156 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 08:18:39,179 INFO L195 MainTranslator]: Completed translation [2018-12-02 08:18:39,179 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:18:39 WrapperNode [2018-12-02 08:18:39,180 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 08:18:39,180 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 08:18:39,180 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 08:18:39,180 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 08:18:39,185 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:18:39" (1/1) ... [2018-12-02 08:18:39,193 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:18:39" (1/1) ... [2018-12-02 08:18:39,198 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 08:18:39,198 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 08:18:39,198 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 08:18:39,198 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 08:18:39,204 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:18:39" (1/1) ... [2018-12-02 08:18:39,204 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:18:39" (1/1) ... [2018-12-02 08:18:39,206 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:18:39" (1/1) ... [2018-12-02 08:18:39,206 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:18:39" (1/1) ... [2018-12-02 08:18:39,211 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:18:39" (1/1) ... [2018-12-02 08:18:39,213 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:18:39" (1/1) ... [2018-12-02 08:18:39,214 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:18:39" (1/1) ... [2018-12-02 08:18:39,216 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 08:18:39,216 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 08:18:39,216 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 08:18:39,216 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 08:18:39,216 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:18:39" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a4ba7d55-28d6-4b40-812a-7dfaa60dc866/bin-2019/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 [2018-12-02 08:18:39,247 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 08:18:39,247 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-02 08:18:39,247 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2018-12-02 08:18:39,247 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2018-12-02 08:18:39,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-02 08:18:39,247 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2018-12-02 08:18:39,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2018-12-02 08:18:39,247 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 08:18:39,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 08:18:39,248 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 08:18:39,248 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 08:18:39,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-12-02 08:18:39,248 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2018-12-02 08:18:39,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2018-12-02 08:18:39,248 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_in_set [2018-12-02 08:18:39,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_in_set [2018-12-02 08:18:39,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-12-02 08:18:39,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-12-02 08:18:39,248 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2018-12-02 08:18:39,248 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2018-12-02 08:18:39,248 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_successful_malloc [2018-12-02 08:18:39,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_successful_malloc [2018-12-02 08:18:39,248 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 08:18:39,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 08:18:39,417 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 08:18:39,417 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-02 08:18:39,418 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:18:39 BoogieIcfgContainer [2018-12-02 08:18:39,418 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 08:18:39,419 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 08:18:39,419 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 08:18:39,421 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 08:18:39,421 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 08:18:38" (1/3) ... [2018-12-02 08:18:39,422 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75b04a7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:18:39, skipping insertion in model container [2018-12-02 08:18:39,422 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:18:39" (2/3) ... [2018-12-02 08:18:39,422 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75b04a7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:18:39, skipping insertion in model container [2018-12-02 08:18:39,422 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:18:39" (3/3) ... [2018-12-02 08:18:39,423 INFO L112 eAbstractionObserver]: Analyzing ICFG test_add_false-unreach-call_true-termination.i [2018-12-02 08:18:39,429 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 08:18:39,433 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 08:18:39,442 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 08:18:39,458 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-02 08:18:39,459 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 08:18:39,459 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 08:18:39,459 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 08:18:39,459 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 08:18:39,459 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 08:18:39,459 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 08:18:39,459 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 08:18:39,459 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 08:18:39,469 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states. [2018-12-02 08:18:39,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-02 08:18:39,472 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 08:18:39,473 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 08:18:39,474 INFO L423 AbstractCegarLoop]: === Iteration 1 === [fooErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 08:18:39,477 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:18:39,478 INFO L82 PathProgramCache]: Analyzing trace with hash -1442632694, now seen corresponding path program 1 times [2018-12-02 08:18:39,479 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 08:18:39,479 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 08:18:39,510 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:18:39,510 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:18:39,510 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:18:39,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:18:39,601 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 08:18:39,603 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 08:18:39,603 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a4ba7d55-28d6-4b40-812a-7dfaa60dc866/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 08:18:39,611 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:18:39,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:18:39,647 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 08:18:39,662 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 08:18:39,677 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 08:18:39,677 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 4 [2018-12-02 08:18:39,679 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-02 08:18:39,686 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-02 08:18:39,687 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-02 08:18:39,688 INFO L87 Difference]: Start difference. First operand 47 states. Second operand 4 states. [2018-12-02 08:18:39,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 08:18:39,712 INFO L93 Difference]: Finished difference Result 88 states and 101 transitions. [2018-12-02 08:18:39,712 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-02 08:18:39,713 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 28 [2018-12-02 08:18:39,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 08:18:39,719 INFO L225 Difference]: With dead ends: 88 [2018-12-02 08:18:39,719 INFO L226 Difference]: Without dead ends: 44 [2018-12-02 08:18:39,721 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 28 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-02 08:18:39,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2018-12-02 08:18:39,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2018-12-02 08:18:39,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2018-12-02 08:18:39,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 48 transitions. [2018-12-02 08:18:39,746 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 48 transitions. Word has length 28 [2018-12-02 08:18:39,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 08:18:39,747 INFO L480 AbstractCegarLoop]: Abstraction has 44 states and 48 transitions. [2018-12-02 08:18:39,747 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-02 08:18:39,747 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 48 transitions. [2018-12-02 08:18:39,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-02 08:18:39,748 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 08:18:39,749 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 08:18:39,749 INFO L423 AbstractCegarLoop]: === Iteration 2 === [fooErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 08:18:39,749 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:18:39,749 INFO L82 PathProgramCache]: Analyzing trace with hash 542758643, now seen corresponding path program 1 times [2018-12-02 08:18:39,749 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 08:18:39,750 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 08:18:39,751 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:18:39,751 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:18:39,751 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:18:39,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:18:39,790 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 08:18:39,790 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 08:18:39,791 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-02 08:18:39,791 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-02 08:18:39,791 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-02 08:18:39,791 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-02 08:18:39,791 INFO L87 Difference]: Start difference. First operand 44 states and 48 transitions. Second operand 4 states. [2018-12-02 08:18:39,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 08:18:39,799 INFO L93 Difference]: Finished difference Result 48 states and 51 transitions. [2018-12-02 08:18:39,800 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-02 08:18:39,800 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 28 [2018-12-02 08:18:39,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 08:18:39,800 INFO L225 Difference]: With dead ends: 48 [2018-12-02 08:18:39,800 INFO L226 Difference]: Without dead ends: 44 [2018-12-02 08:18:39,801 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-02 08:18:39,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2018-12-02 08:18:39,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2018-12-02 08:18:39,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2018-12-02 08:18:39,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 47 transitions. [2018-12-02 08:18:39,805 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 47 transitions. Word has length 28 [2018-12-02 08:18:39,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 08:18:39,805 INFO L480 AbstractCegarLoop]: Abstraction has 44 states and 47 transitions. [2018-12-02 08:18:39,805 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-02 08:18:39,805 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 47 transitions. [2018-12-02 08:18:39,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-02 08:18:39,805 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 08:18:39,806 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 08:18:39,806 INFO L423 AbstractCegarLoop]: === Iteration 3 === [fooErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 08:18:39,806 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:18:39,806 INFO L82 PathProgramCache]: Analyzing trace with hash 2117361948, now seen corresponding path program 1 times [2018-12-02 08:18:39,806 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 08:18:39,806 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 08:18:39,807 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:18:39,807 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:18:39,807 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:18:39,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:18:40,013 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-02 08:18:40,014 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 08:18:40,014 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a4ba7d55-28d6-4b40-812a-7dfaa60dc866/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 08:18:40,020 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:18:40,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:18:40,044 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 08:18:40,077 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2018-12-02 08:18:40,079 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-12-02 08:18:40,080 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-02 08:18:40,081 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 08:18:40,086 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2018-12-02 08:18:40,088 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-12-02 08:18:40,088 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-12-02 08:18:40,089 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 08:18:40,092 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-02 08:18:40,092 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:24, output treesize:10 [2018-12-02 08:18:40,171 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 08:18:40,185 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 08:18:40,185 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [8] total 12 [2018-12-02 08:18:40,186 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-12-02 08:18:40,186 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-12-02 08:18:40,186 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2018-12-02 08:18:40,186 INFO L87 Difference]: Start difference. First operand 44 states and 47 transitions. Second operand 12 states. [2018-12-02 08:18:40,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 08:18:40,604 INFO L93 Difference]: Finished difference Result 89 states and 96 transitions. [2018-12-02 08:18:40,605 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-12-02 08:18:40,605 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 28 [2018-12-02 08:18:40,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 08:18:40,606 INFO L225 Difference]: With dead ends: 89 [2018-12-02 08:18:40,606 INFO L226 Difference]: Without dead ends: 67 [2018-12-02 08:18:40,606 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 30 SyntacticMatches, 4 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=112, Invalid=308, Unknown=0, NotChecked=0, Total=420 [2018-12-02 08:18:40,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2018-12-02 08:18:40,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 46. [2018-12-02 08:18:40,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2018-12-02 08:18:40,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 48 transitions. [2018-12-02 08:18:40,613 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 48 transitions. Word has length 28 [2018-12-02 08:18:40,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 08:18:40,613 INFO L480 AbstractCegarLoop]: Abstraction has 46 states and 48 transitions. [2018-12-02 08:18:40,613 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-12-02 08:18:40,613 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 48 transitions. [2018-12-02 08:18:40,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-02 08:18:40,614 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 08:18:40,614 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 08:18:40,614 INFO L423 AbstractCegarLoop]: === Iteration 4 === [fooErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 08:18:40,614 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:18:40,614 INFO L82 PathProgramCache]: Analyzing trace with hash -2034835195, now seen corresponding path program 1 times [2018-12-02 08:18:40,615 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 08:18:40,615 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 08:18:40,616 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:18:40,616 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:18:40,616 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:18:40,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 08:18:40,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 08:18:40,670 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-02 08:18:40,686 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 16 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2018-12-02 08:18:40,687 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 18 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2018-12-02 08:18:40,695 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 08:18:40 BoogieIcfgContainer [2018-12-02 08:18:40,695 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 08:18:40,695 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 08:18:40,695 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 08:18:40,695 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 08:18:40,696 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:18:39" (3/4) ... [2018-12-02 08:18:40,697 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-02 08:18:40,701 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 18 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2018-12-02 08:18:40,701 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 16 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2018-12-02 08:18:40,731 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_a4ba7d55-28d6-4b40-812a-7dfaa60dc866/bin-2019/uautomizer/witness.graphml [2018-12-02 08:18:40,731 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 08:18:40,732 INFO L168 Benchmark]: Toolchain (without parser) took 1834.87 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 97.5 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -125.2 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 08:18:40,732 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 08:18:40,733 INFO L168 Benchmark]: CACSL2BoogieTranslator took 281.74 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 97.5 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -125.4 MB). Peak memory consumption was 25.2 MB. Max. memory is 11.5 GB. [2018-12-02 08:18:40,733 INFO L168 Benchmark]: Boogie Procedure Inliner took 17.87 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 08:18:40,733 INFO L168 Benchmark]: Boogie Preprocessor took 17.69 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-02 08:18:40,734 INFO L168 Benchmark]: RCFGBuilder took 202.02 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 20.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. [2018-12-02 08:18:40,734 INFO L168 Benchmark]: TraceAbstraction took 1276.31 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -31.4 MB). Peak memory consumption was 225.2 MB. Max. memory is 11.5 GB. [2018-12-02 08:18:40,734 INFO L168 Benchmark]: Witness Printer took 36.06 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 24 B). Peak memory consumption was 24 B. Max. memory is 11.5 GB. [2018-12-02 08:18:40,736 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 281.74 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 97.5 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -125.4 MB). Peak memory consumption was 25.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 17.87 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.69 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 202.02 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 20.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1276.31 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -31.4 MB). Peak memory consumption was 225.2 MB. Max. memory is 11.5 GB. * Witness Printer took 36.06 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 24 B). Peak memory consumption was 24 B. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 16 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 18 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 18 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 16 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 654]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L649] struct ldv_list_head s1 = { &(s1), &(s1) }; VAL [\old(s1)=null, \old(s1)=null, s1={17:0}] [L658] CALL foo() VAL [s1={17:0}] [L652] int j = __VERIFIER_nondet_int(); [L653] CALL ldv_set_add(j, &s1) VAL [\old(new)=0, s={17:0}, s1={17:0}] [L620] CALL, EXPR ldv_is_in_set(new, s) VAL [\old(e)=0, s={17:0}, s1={17:0}] [L638] struct ldv_list_element *m; [L639] EXPR (s)->next [L639] const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); [L639] m = ({ const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); (typeof(*m) *)( (char *)__mptr - ((size_t) &((typeof(*m) *)0)->list) );}) VAL [\old(e)=0, __mptr={17:0}, e=0, m={17:-4}, s={17:0}, s={17:0}, s1={17:0}] [L639] COND FALSE !(&m->list != (s)) VAL [\old(e)=0, __mptr={17:0}, e=0, m={17:-4}, s={17:0}, s={17:0}, s1={17:0}] [L644] return 0; VAL [\old(e)=0, \result=0, __mptr={17:0}, e=0, m={17:-4}, s={17:0}, s={17:0}, s1={17:0}] [L620] RET, EXPR ldv_is_in_set(new, s) VAL [\old(new)=0, ldv_is_in_set(new, s)=0, new=0, s={17:0}, s={17:0}, s1={17:0}] [L620] COND TRUE !ldv_is_in_set(new, s) [L621] struct ldv_list_element *le; VAL [\old(new)=0, new=0, s={17:0}, s={17:0}, s1={17:0}] [L622] CALL, EXPR ldv_successful_malloc(sizeof(struct ldv_list_element)) VAL [\old(size)=12, s1={17:0}] [L563] void *ptr = malloc(size); [L565] return ptr; VAL [\old(size)=12, \result={21:0}, malloc(size)={21:0}, ptr={21:0}, s1={17:0}, size=12] [L622] RET, EXPR ldv_successful_malloc(sizeof(struct ldv_list_element)) VAL [\old(new)=0, ldv_successful_malloc(sizeof(struct ldv_list_element))={21:0}, new=0, s={17:0}, s={17:0}, s1={17:0}] [L622] le = (struct ldv_list_element*)ldv_successful_malloc(sizeof(struct ldv_list_element)) [L623] le->e = new VAL [\old(new)=0, le={21:0}, new=0, s={17:0}, s={17:0}, s1={17:0}] [L624] CALL ldv_list_add(&le->list, s) VAL [head={17:0}, new={21:4}, s1={17:0}] [L592] EXPR head->next VAL [head={17:0}, head={17:0}, head->next={17:0}, new={21:4}, new={21:4}, s1={17:0}] [L592] CALL __ldv_list_add(new, head, head->next) VAL [new={21:4}, next={17:0}, prev={17:0}, s1={17:0}] [L580] next->prev = new [L581] new->next = next [L582] new->prev = prev [L583] prev->next = new VAL [new={21:4}, new={21:4}, next={17:0}, next={17:0}, prev={17:0}, prev={17:0}, s1={17:0}] [L592] RET __ldv_list_add(new, head, head->next) VAL [head={17:0}, head={17:0}, head->next={17:0}, new={21:4}, new={21:4}, s1={17:0}] [L624] RET ldv_list_add(&le->list, s) VAL [\old(new)=0, le={21:0}, new=0, s={17:0}, s={17:0}, s1={17:0}] [L653] RET ldv_set_add(j, &s1) VAL [j=0, s1={17:0}] [L654] CALL ldv_is_in_set(j, &s1) VAL [\old(e)=0, s={17:0}, s1={17:0}] [L638] struct ldv_list_element *m; [L639] EXPR (s)->next [L639] const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); [L639] m = ({ const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); (typeof(*m) *)( (char *)__mptr - ((size_t) &((typeof(*m) *)0)->list) );}) VAL [\old(e)=0, __mptr={21:4}, e=0, m={21:0}, s={17:0}, s={17:0}, s1={17:0}] [L639] COND TRUE &m->list != (s) [L640] EXPR m->e VAL [\old(e)=0, __mptr={21:4}, e=0, m={21:0}, m->e=0, s={17:0}, s={17:0}, s1={17:0}] [L640] COND TRUE m->e == e [L641] return 1; VAL [\old(e)=0, \result=1, __mptr={21:4}, e=0, m={21:0}, s={17:0}, s={17:0}, s1={17:0}] [L654] RET ldv_is_in_set(j, &s1) VAL [j=0, ldv_is_in_set(j, &s1)=1, s1={17:0}] [L654] COND TRUE ldv_is_in_set(j, &s1) [L654] __VERIFIER_error() VAL [j=0, s1={17:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 47 locations, 1 error locations. UNSAFE Result, 1.2s OverallTime, 4 OverallIterations, 2 TraceHistogramMax, 0.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 127 SDtfs, 87 SDslu, 274 SDs, 0 SdLazy, 261 SolverSat, 33 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 88 GetRequests, 60 SyntacticMatches, 5 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=47occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 21 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 182 NumberOfCodeBlocks, 182 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 135 ConstructedInterpolants, 0 QuantifiedInterpolants, 24354 SizeOfPredicates, 14 NumberOfNonLiveVariables, 328 ConjunctsInSsa, 40 ConjunctsInUnsatCore, 5 InterpolantComputations, 3 PerfectInterpolantSequences, 18/24 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...