./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-regression/test30_true-unreach-call_true-termination.c --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_35b5ff3d-8bce-49b0-9630-081ff1234bbc/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_35b5ff3d-8bce-49b0-9630-081ff1234bbc/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_35b5ff3d-8bce-49b0-9630-081ff1234bbc/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_35b5ff3d-8bce-49b0-9630-081ff1234bbc/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-regression/test30_true-unreach-call_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_35b5ff3d-8bce-49b0-9630-081ff1234bbc/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_35b5ff3d-8bce-49b0-9630-081ff1234bbc/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 f3f14a8695828c11330d2be1588df37df1e498e3 ..................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 04:51:31,719 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 04:51:31,720 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 04:51:31,726 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 04:51:31,726 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 04:51:31,726 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 04:51:31,727 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 04:51:31,728 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 04:51:31,729 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 04:51:31,729 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 04:51:31,730 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 04:51:31,730 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 04:51:31,730 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 04:51:31,731 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 04:51:31,731 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 04:51:31,732 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 04:51:31,732 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 04:51:31,733 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 04:51:31,734 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 04:51:31,735 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 04:51:31,735 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 04:51:31,736 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 04:51:31,737 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 04:51:31,737 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 04:51:31,737 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 04:51:31,738 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 04:51:31,738 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 04:51:31,738 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 04:51:31,739 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 04:51:31,739 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 04:51:31,739 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 04:51:31,740 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 04:51:31,740 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 04:51:31,740 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 04:51:31,741 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 04:51:31,741 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 04:51:31,741 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_35b5ff3d-8bce-49b0-9630-081ff1234bbc/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-09 04:51:31,748 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 04:51:31,748 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 04:51:31,749 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 04:51:31,749 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 04:51:31,749 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 04:51:31,749 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 04:51:31,750 INFO L133 SettingsManager]: * Use SBE=true [2018-12-09 04:51:31,750 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 04:51:31,750 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 04:51:31,750 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 04:51:31,750 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 04:51:31,750 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 04:51:31,750 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 04:51:31,750 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 04:51:31,750 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 04:51:31,750 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 04:51:31,750 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 04:51:31,751 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 04:51:31,751 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 04:51:31,751 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 04:51:31,751 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 04:51:31,751 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 04:51:31,751 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 04:51:31,751 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 04:51:31,751 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 04:51:31,751 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 04:51:31,751 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 04:51:31,751 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-09 04:51:31,752 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 04:51:31,752 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 04:51:31,752 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_35b5ff3d-8bce-49b0-9630-081ff1234bbc/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 -> f3f14a8695828c11330d2be1588df37df1e498e3 [2018-12-09 04:51:31,769 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 04:51:31,776 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 04:51:31,778 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 04:51:31,779 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 04:51:31,779 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 04:51:31,779 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_35b5ff3d-8bce-49b0-9630-081ff1234bbc/bin-2019/uautomizer/../../sv-benchmarks/c/ldv-regression/test30_true-unreach-call_true-termination.c [2018-12-09 04:51:31,813 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_35b5ff3d-8bce-49b0-9630-081ff1234bbc/bin-2019/uautomizer/data/be04adbde/deb4fb0e0aa94d019903e54dc1dd5def/FLAG5efdef8fb [2018-12-09 04:51:32,240 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 04:51:32,241 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_35b5ff3d-8bce-49b0-9630-081ff1234bbc/sv-benchmarks/c/ldv-regression/test30_true-unreach-call_true-termination.c [2018-12-09 04:51:32,244 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_35b5ff3d-8bce-49b0-9630-081ff1234bbc/bin-2019/uautomizer/data/be04adbde/deb4fb0e0aa94d019903e54dc1dd5def/FLAG5efdef8fb [2018-12-09 04:51:32,253 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_35b5ff3d-8bce-49b0-9630-081ff1234bbc/bin-2019/uautomizer/data/be04adbde/deb4fb0e0aa94d019903e54dc1dd5def [2018-12-09 04:51:32,255 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 04:51:32,256 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 04:51:32,257 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 04:51:32,257 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 04:51:32,259 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 04:51:32,259 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 04:51:32" (1/1) ... [2018-12-09 04:51:32,261 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22096c3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:51:32, skipping insertion in model container [2018-12-09 04:51:32,261 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 04:51:32" (1/1) ... [2018-12-09 04:51:32,265 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 04:51:32,274 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 04:51:32,359 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 04:51:32,366 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 04:51:32,375 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 04:51:32,384 INFO L195 MainTranslator]: Completed translation [2018-12-09 04:51:32,384 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:51:32 WrapperNode [2018-12-09 04:51:32,384 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 04:51:32,385 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 04:51:32,385 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 04:51:32,385 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 04:51:32,390 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:51:32" (1/1) ... [2018-12-09 04:51:32,394 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:51:32" (1/1) ... [2018-12-09 04:51:32,398 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 04:51:32,398 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 04:51:32,398 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 04:51:32,398 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 04:51:32,435 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:51:32" (1/1) ... [2018-12-09 04:51:32,435 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:51:32" (1/1) ... [2018-12-09 04:51:32,436 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:51:32" (1/1) ... [2018-12-09 04:51:32,436 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:51:32" (1/1) ... [2018-12-09 04:51:32,440 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:51:32" (1/1) ... [2018-12-09 04:51:32,441 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:51:32" (1/1) ... [2018-12-09 04:51:32,441 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:51:32" (1/1) ... [2018-12-09 04:51:32,442 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 04:51:32,443 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 04:51:32,443 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 04:51:32,443 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 04:51:32,443 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:51:32" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_35b5ff3d-8bce-49b0-9630-081ff1234bbc/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 [2018-12-09 04:51:32,473 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-12-09 04:51:32,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-12-09 04:51:32,473 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 04:51:32,473 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 04:51:32,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-09 04:51:32,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-09 04:51:32,474 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 04:51:32,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 04:51:32,474 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 04:51:32,474 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 04:51:32,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 04:51:32,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-09 04:51:32,474 INFO L130 BoogieDeclarations]: Found specification of procedure assign2 [2018-12-09 04:51:32,474 INFO L138 BoogieDeclarations]: Found implementation of procedure assign2 [2018-12-09 04:51:32,474 INFO L130 BoogieDeclarations]: Found specification of procedure assign [2018-12-09 04:51:32,474 INFO L138 BoogieDeclarations]: Found implementation of procedure assign [2018-12-09 04:51:32,570 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 04:51:32,570 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-12-09 04:51:32,570 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:51:32 BoogieIcfgContainer [2018-12-09 04:51:32,570 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 04:51:32,571 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 04:51:32,571 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 04:51:32,573 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 04:51:32,573 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 04:51:32" (1/3) ... [2018-12-09 04:51:32,573 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d8bde02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 04:51:32, skipping insertion in model container [2018-12-09 04:51:32,574 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:51:32" (2/3) ... [2018-12-09 04:51:32,574 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d8bde02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 04:51:32, skipping insertion in model container [2018-12-09 04:51:32,574 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:51:32" (3/3) ... [2018-12-09 04:51:32,575 INFO L112 eAbstractionObserver]: Analyzing ICFG test30_true-unreach-call_true-termination.c [2018-12-09 04:51:32,581 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 04:51:32,585 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 04:51:32,594 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 04:51:32,611 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-09 04:51:32,611 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 04:51:32,611 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 04:51:32,611 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 04:51:32,611 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 04:51:32,612 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 04:51:32,612 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 04:51:32,612 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 04:51:32,612 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 04:51:32,621 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states. [2018-12-09 04:51:32,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-09 04:51:32,624 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 04:51:32,625 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 04:51:32,626 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 04:51:32,629 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 04:51:32,630 INFO L82 PathProgramCache]: Analyzing trace with hash -2098592588, now seen corresponding path program 1 times [2018-12-09 04:51:32,631 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 04:51:32,631 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 04:51:32,659 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 04:51:32,659 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 04:51:32,660 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 04:51:32,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:51:32,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 04:51:32,952 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 04:51:32,952 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-12-09 04:51:32,955 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-09 04:51:32,966 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-09 04:51:32,966 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2018-12-09 04:51:32,968 INFO L87 Difference]: Start difference. First operand 23 states. Second operand 11 states. [2018-12-09 04:51:33,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 04:51:33,143 INFO L93 Difference]: Finished difference Result 27 states and 26 transitions. [2018-12-09 04:51:33,143 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-09 04:51:33,144 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 18 [2018-12-09 04:51:33,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 04:51:33,148 INFO L225 Difference]: With dead ends: 27 [2018-12-09 04:51:33,149 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 04:51:33,151 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2018-12-09 04:51:33,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 04:51:33,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 04:51:33,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 04:51:33,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 04:51:33,166 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2018-12-09 04:51:33,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 04:51:33,167 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 04:51:33,167 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-09 04:51:33,167 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 04:51:33,167 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 04:51:33,170 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 04:51:33,377 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 04:51:33,378 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-12-09 04:51:33,378 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 04:51:33,378 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 04:51:33,378 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (let ((.cse1 (+ |~#global~0.offset| 4)) (.cse2 (select |#memory_$Pointer$.offset| |~#global~0.base|)) (.cse0 (select |#memory_$Pointer$.base| |~#global~0.base|))) (and (= |~#b~0.base| (select .cse0 .cse1)) (= |~#b~0.offset| (select .cse2 .cse1)) (not (= |~#a~0.base| |~#b~0.base|)) (= |~#a~0.offset| (select .cse2 |~#global~0.offset|)) (= |~#a~0.base| (select .cse0 |~#global~0.offset|)))) [2018-12-09 04:51:33,378 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 04:51:33,378 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 04:51:33,378 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 19 33) the Hoare annotation is: (let ((.cse0 (select |old(#memory_$Pointer$.offset)| |~#global~0.base|)) (.cse2 (select |old(#memory_$Pointer$.base)| |~#global~0.base|)) (.cse1 (+ |~#global~0.offset| 4))) (or (and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (not (= (select .cse0 .cse1) |~#b~0.offset|)) (= |~#a~0.base| |~#b~0.base|) (not (= (select .cse0 |~#global~0.offset|) |~#a~0.offset|)) (not (= |~#a~0.base| (select .cse2 |~#global~0.offset|))) (not (= (select .cse2 .cse1) |~#b~0.base|)))) [2018-12-09 04:51:33,379 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 19 33) no Hoare annotation was computed. [2018-12-09 04:51:33,379 INFO L444 ceAbstractionStarter]: At program point L26(lines 20 33) the Hoare annotation is: (let ((.cse0 (select |old(#memory_$Pointer$.offset)| |~#global~0.base|)) (.cse2 (select |old(#memory_$Pointer$.base)| |~#global~0.base|)) (.cse1 (+ |~#global~0.offset| 4))) (or (not (= (select .cse0 .cse1) |~#b~0.offset|)) (= |~#a~0.base| |~#b~0.base|) (not (= (select .cse0 |~#global~0.offset|) |~#a~0.offset|)) (not (= |~#a~0.base| (select .cse2 |~#global~0.offset|))) (not (= (select .cse2 .cse1) |~#b~0.base|)))) [2018-12-09 04:51:33,379 INFO L448 ceAbstractionStarter]: For program point L25(lines 25 27) no Hoare annotation was computed. [2018-12-09 04:51:33,379 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 19 33) no Hoare annotation was computed. [2018-12-09 04:51:33,379 INFO L444 ceAbstractionStarter]: At program point L23(line 23) the Hoare annotation is: (let ((.cse0 (select |old(#memory_$Pointer$.offset)| |~#global~0.base|)) (.cse5 (select |old(#memory_$Pointer$.base)| |~#global~0.base|)) (.cse1 (+ |~#global~0.offset| 4))) (or (not (= (select .cse0 .cse1) |~#b~0.offset|)) (= |~#a~0.base| |~#b~0.base|) (not (= (select .cse0 |~#global~0.offset|) |~#a~0.offset|)) (let ((.cse2 (select |#memory_$Pointer$.offset| main_~pd~0.base)) (.cse3 (select |#memory_$Pointer$.base| main_~pd~0.base)) (.cse4 (+ main_~pd~0.offset 4))) (and (= |~#a~0.offset| (select .cse2 main_~pd~0.offset)) (= |~#a~0.base| (select .cse3 main_~pd~0.offset)) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |~#b~0.offset| (select .cse2 .cse4)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |~#b~0.base| (select .cse3 .cse4)))) (not (= |~#a~0.base| (select .cse5 |~#global~0.offset|))) (not (= (select .cse5 .cse1) |~#b~0.base|)))) [2018-12-09 04:51:33,380 INFO L448 ceAbstractionStarter]: For program point L23-1(line 23) no Hoare annotation was computed. [2018-12-09 04:51:33,380 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 31) no Hoare annotation was computed. [2018-12-09 04:51:33,380 INFO L444 ceAbstractionStarter]: At program point L16(line 16) the Hoare annotation is: (let ((.cse0 (select |old(#memory_$Pointer$.offset)| |~#global~0.base|)) (.cse2 (select |old(#memory_$Pointer$.base)| |~#global~0.base|)) (.cse1 (+ |~#global~0.offset| 4))) (or (not (= (select .cse0 .cse1) |~#b~0.offset|)) (= |~#a~0.base| |~#b~0.base|) (and (= |assign2_#t~mem1.base| (select (select |#memory_$Pointer$.base| |assign2_#in~pa.base|) |assign2_#in~pa.offset|)) (= |assign2_#t~mem2.offset| (select (select |#memory_$Pointer$.offset| |assign2_#in~pb.base|) |assign2_#in~pb.offset|)) (= |#memory_int| |old(#memory_int)|) (= |assign2_#t~mem2.base| (select (select |#memory_$Pointer$.base| |assign2_#in~pb.base|) |assign2_#in~pb.offset|)) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |assign2_#t~mem1.offset| (select (select |#memory_$Pointer$.offset| |assign2_#in~pa.base|) |assign2_#in~pa.offset|)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (not (= (select .cse0 |~#global~0.offset|) |~#a~0.offset|)) (not (= |~#a~0.base| (select .cse2 |~#global~0.offset|))) (not (= (select .cse2 .cse1) |~#b~0.base|)))) [2018-12-09 04:51:33,380 INFO L448 ceAbstractionStarter]: For program point L16-1(line 16) no Hoare annotation was computed. [2018-12-09 04:51:33,380 INFO L448 ceAbstractionStarter]: For program point assign2FINAL(lines 14 17) no Hoare annotation was computed. [2018-12-09 04:51:33,380 INFO L444 ceAbstractionStarter]: At program point assign2ENTRY(lines 14 17) the Hoare annotation is: (let ((.cse0 (select |old(#memory_$Pointer$.offset)| |~#global~0.base|)) (.cse2 (select |old(#memory_$Pointer$.base)| |~#global~0.base|)) (.cse1 (+ |~#global~0.offset| 4))) (or (and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (not (= (select .cse0 .cse1) |~#b~0.offset|)) (= |~#a~0.base| |~#b~0.base|) (not (= (select .cse0 |~#global~0.offset|) |~#a~0.offset|)) (not (= |~#a~0.base| (select .cse2 |~#global~0.offset|))) (not (= (select .cse2 .cse1) |~#b~0.base|)))) [2018-12-09 04:51:33,381 INFO L448 ceAbstractionStarter]: For program point assign2EXIT(lines 14 17) no Hoare annotation was computed. [2018-12-09 04:51:33,381 INFO L448 ceAbstractionStarter]: For program point assignEXIT(lines 9 12) no Hoare annotation was computed. [2018-12-09 04:51:33,381 INFO L444 ceAbstractionStarter]: At program point assignENTRY(lines 9 12) the Hoare annotation is: (let ((.cse0 (select |old(#memory_$Pointer$.offset)| |~#global~0.base|)) (.cse2 (select |old(#memory_$Pointer$.base)| |~#global~0.base|)) (.cse1 (+ |~#global~0.offset| 4))) (or (and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (not (= (select .cse0 .cse1) |~#b~0.offset|)) (= |~#a~0.base| |~#b~0.base|) (not (= (select .cse0 |~#global~0.offset|) |~#a~0.offset|)) (not (= |~#a~0.base| (select .cse2 |~#global~0.offset|))) (not (= (select .cse2 .cse1) |~#b~0.base|)))) [2018-12-09 04:51:33,381 INFO L448 ceAbstractionStarter]: For program point assignFINAL(lines 9 12) no Hoare annotation was computed. [2018-12-09 04:51:33,387 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-12-09 04:51:33,388 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-12-09 04:51:33,388 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-12-09 04:51:33,388 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-12-09 04:51:33,390 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-12-09 04:51:33,390 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-12-09 04:51:33,390 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-12-09 04:51:33,391 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-12-09 04:51:33,392 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-12-09 04:51:33,392 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-12-09 04:51:33,393 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-12-09 04:51:33,393 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-12-09 04:51:33,393 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-12-09 04:51:33,393 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-12-09 04:51:33,394 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-12-09 04:51:33,394 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-12-09 04:51:33,396 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 04:51:33 BoogieIcfgContainer [2018-12-09 04:51:33,396 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 04:51:33,396 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 04:51:33,396 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 04:51:33,396 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 04:51:33,397 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:51:32" (3/4) ... [2018-12-09 04:51:33,400 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 04:51:33,404 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 04:51:33,404 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 04:51:33,404 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure assign2 [2018-12-09 04:51:33,404 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure assign [2018-12-09 04:51:33,407 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2018-12-09 04:51:33,408 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-12-09 04:51:33,408 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 04:51:33,425 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(#memory_$Pointer$)[global][global + 4] == b) || a == b) || !(\old(#memory_$Pointer$)[global][global] == a)) || !(a == \old(#memory_$Pointer$)[global][global])) || !(\old(#memory_$Pointer$)[global][global + 4] == b) [2018-12-09 04:51:33,433 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_35b5ff3d-8bce-49b0-9630-081ff1234bbc/bin-2019/uautomizer/witness.graphml [2018-12-09 04:51:33,434 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 04:51:33,434 INFO L168 Benchmark]: Toolchain (without parser) took 1178.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.6 MB). Free memory was 962.4 MB in the beginning and 942.7 MB in the end (delta: 19.7 MB). Peak memory consumption was 141.3 MB. Max. memory is 11.5 GB. [2018-12-09 04:51:33,435 INFO L168 Benchmark]: CDTParser took 0.10 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. [2018-12-09 04:51:33,435 INFO L168 Benchmark]: CACSL2BoogieTranslator took 128.03 ms. Allocated memory is still 1.0 GB. Free memory was 962.4 MB in the beginning and 950.6 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. [2018-12-09 04:51:33,435 INFO L168 Benchmark]: Boogie Procedure Inliner took 13.26 ms. Allocated memory is still 1.0 GB. Free memory is still 950.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 04:51:33,435 INFO L168 Benchmark]: Boogie Preprocessor took 44.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.6 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -161.9 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. [2018-12-09 04:51:33,436 INFO L168 Benchmark]: RCFGBuilder took 127.88 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: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 11.5 GB. [2018-12-09 04:51:33,436 INFO L168 Benchmark]: TraceAbstraction took 824.92 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 949.8 MB in the end (delta: 150.8 MB). Peak memory consumption was 150.8 MB. Max. memory is 11.5 GB. [2018-12-09 04:51:33,436 INFO L168 Benchmark]: Witness Printer took 37.54 ms. Allocated memory is still 1.2 GB. Free memory was 949.8 MB in the beginning and 942.7 MB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. [2018-12-09 04:51:33,438 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 128.03 ms. Allocated memory is still 1.0 GB. Free memory was 962.4 MB in the beginning and 950.6 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 13.26 ms. Allocated memory is still 1.0 GB. Free memory is still 950.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 44.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.6 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -161.9 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 127.88 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 824.92 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 949.8 MB in the end (delta: 150.8 MB). Peak memory consumption was 150.8 MB. Max. memory is 11.5 GB. * Witness Printer took 37.54 ms. Allocated memory is still 1.2 GB. Free memory was 949.8 MB in the beginning and 942.7 MB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.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_$Pointer$.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 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 31]: 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: 20]: Loop Invariant [2018-12-09 04:51:33,441 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-12-09 04:51:33,441 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-12-09 04:51:33,441 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-12-09 04:51:33,441 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-12-09 04:51:33,441 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-12-09 04:51:33,442 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-12-09 04:51:33,442 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-12-09 04:51:33,442 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-12-09 04:51:33,442 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-12-09 04:51:33,442 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-12-09 04:51:33,442 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-12-09 04:51:33,443 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-12-09 04:51:33,443 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-12-09 04:51:33,443 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-12-09 04:51:33,443 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-12-09 04:51:33,443 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: (((!(\old(#memory_$Pointer$)[global][global + 4] == b) || a == b) || !(\old(#memory_$Pointer$)[global][global] == a)) || !(a == \old(#memory_$Pointer$)[global][global])) || !(\old(#memory_$Pointer$)[global][global + 4] == b) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 23 locations, 1 error locations. SAFE Result, 0.7s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 11 SDtfs, 14 SDslu, 38 SDs, 0 SdLazy, 89 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 9 PreInvPairs, 9 NumberOfFragments, 389 HoareAnnotationTreeSize, 9 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 9 FomulaSimplificationsInter, 189 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 17 ConstructedInterpolants, 0 QuantifiedInterpolants, 8109 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...