./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label25_true-unreach-call_false-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_1b350920-5c11-4192-8044-d82b73821010/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_1b350920-5c11-4192-8044-d82b73821010/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_1b350920-5c11-4192-8044-d82b73821010/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_1b350920-5c11-4192-8044-d82b73821010/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label25_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_1b350920-5c11-4192-8044-d82b73821010/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_1b350920-5c11-4192-8044-d82b73821010/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 29670da151301b8436a6c7ddafad57f5257b4a8d ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 10:25:02,243 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 10:25:02,244 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 10:25:02,250 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 10:25:02,250 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 10:25:02,251 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 10:25:02,251 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 10:25:02,252 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 10:25:02,253 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 10:25:02,254 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 10:25:02,254 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 10:25:02,254 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 10:25:02,255 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 10:25:02,255 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 10:25:02,256 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 10:25:02,256 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 10:25:02,257 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 10:25:02,258 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 10:25:02,259 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 10:25:02,259 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 10:25:02,260 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 10:25:02,261 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 10:25:02,262 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 10:25:02,262 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 10:25:02,262 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 10:25:02,262 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 10:25:02,263 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 10:25:02,263 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 10:25:02,264 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 10:25:02,264 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 10:25:02,265 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 10:25:02,265 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 10:25:02,265 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 10:25:02,265 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 10:25:02,266 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 10:25:02,266 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 10:25:02,266 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_1b350920-5c11-4192-8044-d82b73821010/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-09 10:25:02,274 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 10:25:02,274 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 10:25:02,274 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 10:25:02,274 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 10:25:02,275 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 10:25:02,275 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 10:25:02,275 INFO L133 SettingsManager]: * Use SBE=true [2018-12-09 10:25:02,275 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 10:25:02,275 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 10:25:02,275 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 10:25:02,275 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 10:25:02,276 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 10:25:02,276 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 10:25:02,276 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 10:25:02,276 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 10:25:02,276 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 10:25:02,276 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 10:25:02,276 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 10:25:02,276 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 10:25:02,276 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 10:25:02,277 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 10:25:02,277 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 10:25:02,277 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 10:25:02,277 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 10:25:02,277 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 10:25:02,277 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 10:25:02,277 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 10:25:02,277 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-09 10:25:02,277 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 10:25:02,278 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 10:25:02,278 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_1b350920-5c11-4192-8044-d82b73821010/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 -> 29670da151301b8436a6c7ddafad57f5257b4a8d [2018-12-09 10:25:02,296 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 10:25:02,304 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 10:25:02,307 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 10:25:02,308 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 10:25:02,308 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 10:25:02,309 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_1b350920-5c11-4192-8044-d82b73821010/bin-2019/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem01_label25_true-unreach-call_false-termination.c [2018-12-09 10:25:02,351 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1b350920-5c11-4192-8044-d82b73821010/bin-2019/uautomizer/data/6049d0379/a8d190d4da8e46e78c645ec9450ccae6/FLAGe171fa585 [2018-12-09 10:25:02,810 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 10:25:02,811 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_1b350920-5c11-4192-8044-d82b73821010/sv-benchmarks/c/eca-rers2012/Problem01_label25_true-unreach-call_false-termination.c [2018-12-09 10:25:02,819 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1b350920-5c11-4192-8044-d82b73821010/bin-2019/uautomizer/data/6049d0379/a8d190d4da8e46e78c645ec9450ccae6/FLAGe171fa585 [2018-12-09 10:25:02,830 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_1b350920-5c11-4192-8044-d82b73821010/bin-2019/uautomizer/data/6049d0379/a8d190d4da8e46e78c645ec9450ccae6 [2018-12-09 10:25:02,832 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 10:25:02,833 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 10:25:02,834 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 10:25:02,834 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 10:25:02,836 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 10:25:02,837 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 10:25:02" (1/1) ... [2018-12-09 10:25:02,838 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ba821c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:25:02, skipping insertion in model container [2018-12-09 10:25:02,839 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 10:25:02" (1/1) ... [2018-12-09 10:25:02,843 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 10:25:02,868 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 10:25:03,047 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 10:25:03,050 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 10:25:03,150 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 10:25:03,163 INFO L195 MainTranslator]: Completed translation [2018-12-09 10:25:03,163 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:25:03 WrapperNode [2018-12-09 10:25:03,164 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 10:25:03,164 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 10:25:03,164 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 10:25:03,164 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 10:25:03,171 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:25:03" (1/1) ... [2018-12-09 10:25:03,184 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:25:03" (1/1) ... [2018-12-09 10:25:03,190 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 10:25:03,190 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 10:25:03,190 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 10:25:03,190 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 10:25:03,196 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:25:03" (1/1) ... [2018-12-09 10:25:03,196 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:25:03" (1/1) ... [2018-12-09 10:25:03,200 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:25:03" (1/1) ... [2018-12-09 10:25:03,200 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:25:03" (1/1) ... [2018-12-09 10:25:03,222 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:25:03" (1/1) ... [2018-12-09 10:25:03,232 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:25:03" (1/1) ... [2018-12-09 10:25:03,235 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:25:03" (1/1) ... [2018-12-09 10:25:03,239 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 10:25:03,239 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 10:25:03,239 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 10:25:03,239 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 10:25:03,240 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:25:03" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1b350920-5c11-4192-8044-d82b73821010/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 10:25:03,275 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 10:25:03,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 10:25:03,275 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-12-09 10:25:03,275 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-12-09 10:25:03,275 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 10:25:03,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 10:25:03,275 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 10:25:03,275 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 10:25:03,794 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 10:25:03,794 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-09 10:25:03,795 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 10:25:03 BoogieIcfgContainer [2018-12-09 10:25:03,795 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 10:25:03,795 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 10:25:03,795 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 10:25:03,797 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 10:25:03,798 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 10:25:02" (1/3) ... [2018-12-09 10:25:03,798 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1defa1f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 10:25:03, skipping insertion in model container [2018-12-09 10:25:03,798 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:25:03" (2/3) ... [2018-12-09 10:25:03,798 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1defa1f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 10:25:03, skipping insertion in model container [2018-12-09 10:25:03,798 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 10:25:03" (3/3) ... [2018-12-09 10:25:03,799 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label25_true-unreach-call_false-termination.c [2018-12-09 10:25:03,805 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 10:25:03,811 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 10:25:03,820 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 10:25:03,839 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-09 10:25:03,840 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 10:25:03,840 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 10:25:03,840 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 10:25:03,840 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 10:25:03,840 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 10:25:03,840 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 10:25:03,840 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 10:25:03,840 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 10:25:03,853 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2018-12-09 10:25:03,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-12-09 10:25:03,859 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:25:03,860 INFO L402 BasicCegarLoop]: trace histogram [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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 10:25:03,861 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 10:25:03,864 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:25:03,865 INFO L82 PathProgramCache]: Analyzing trace with hash -665077081, now seen corresponding path program 1 times [2018-12-09 10:25:03,866 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 10:25:03,866 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 10:25:03,895 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:25:03,896 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:25:03,896 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:25:03,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:25:04,113 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 10:25:04,114 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 10:25:04,115 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 10:25:04,118 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 10:25:04,125 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 10:25:04,126 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 10:25:04,127 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 3 states. [2018-12-09 10:25:04,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 10:25:04,519 INFO L93 Difference]: Finished difference Result 547 states and 938 transitions. [2018-12-09 10:25:04,519 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 10:25:04,520 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 125 [2018-12-09 10:25:04,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 10:25:04,528 INFO L225 Difference]: With dead ends: 547 [2018-12-09 10:25:04,528 INFO L226 Difference]: Without dead ends: 278 [2018-12-09 10:25:04,531 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 10:25:04,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2018-12-09 10:25:04,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 278. [2018-12-09 10:25:04,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 278 states. [2018-12-09 10:25:04,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 406 transitions. [2018-12-09 10:25:04,566 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 406 transitions. Word has length 125 [2018-12-09 10:25:04,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 10:25:04,567 INFO L480 AbstractCegarLoop]: Abstraction has 278 states and 406 transitions. [2018-12-09 10:25:04,567 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 10:25:04,567 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 406 transitions. [2018-12-09 10:25:04,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-12-09 10:25:04,569 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:25:04,569 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 10:25:04,570 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 10:25:04,570 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:25:04,570 INFO L82 PathProgramCache]: Analyzing trace with hash 1811316394, now seen corresponding path program 1 times [2018-12-09 10:25:04,570 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 10:25:04,570 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 10:25:04,571 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:25:04,571 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:25:04,571 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:25:04,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:25:04,678 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:25:04,678 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 10:25:04,678 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-09 10:25:04,680 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 10:25:04,680 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 10:25:04,680 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-09 10:25:04,681 INFO L87 Difference]: Start difference. First operand 278 states and 406 transitions. Second operand 5 states. [2018-12-09 10:25:05,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 10:25:05,094 INFO L93 Difference]: Finished difference Result 840 states and 1253 transitions. [2018-12-09 10:25:05,094 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 10:25:05,094 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 134 [2018-12-09 10:25:05,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 10:25:05,098 INFO L225 Difference]: With dead ends: 840 [2018-12-09 10:25:05,098 INFO L226 Difference]: Without dead ends: 568 [2018-12-09 10:25:05,099 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-09 10:25:05,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 568 states. [2018-12-09 10:25:05,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 568 to 558. [2018-12-09 10:25:05,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 558 states. [2018-12-09 10:25:05,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 558 states and 788 transitions. [2018-12-09 10:25:05,118 INFO L78 Accepts]: Start accepts. Automaton has 558 states and 788 transitions. Word has length 134 [2018-12-09 10:25:05,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 10:25:05,119 INFO L480 AbstractCegarLoop]: Abstraction has 558 states and 788 transitions. [2018-12-09 10:25:05,119 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 10:25:05,119 INFO L276 IsEmpty]: Start isEmpty. Operand 558 states and 788 transitions. [2018-12-09 10:25:05,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-12-09 10:25:05,120 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:25:05,121 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 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, 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, 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, 1, 1, 1, 1, 1, 1] [2018-12-09 10:25:05,121 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 10:25:05,121 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:25:05,121 INFO L82 PathProgramCache]: Analyzing trace with hash 1203912387, now seen corresponding path program 1 times [2018-12-09 10:25:05,121 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 10:25:05,121 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 10:25:05,122 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:25:05,122 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:25:05,122 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:25:05,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:25:05,176 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:25:05,176 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 10:25:05,176 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1b350920-5c11-4192-8044-d82b73821010/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 [2018-12-09 10:25:05,183 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:25:05,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:25:05,239 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 10:25:05,299 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-09 10:25:05,325 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 10:25:05,325 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2018-12-09 10:25:05,326 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 10:25:05,326 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 10:25:05,326 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-09 10:25:05,326 INFO L87 Difference]: Start difference. First operand 558 states and 788 transitions. Second operand 7 states. [2018-12-09 10:25:06,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 10:25:06,126 INFO L93 Difference]: Finished difference Result 1960 states and 2898 transitions. [2018-12-09 10:25:06,126 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-12-09 10:25:06,126 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 145 [2018-12-09 10:25:06,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 10:25:06,133 INFO L225 Difference]: With dead ends: 1960 [2018-12-09 10:25:06,133 INFO L226 Difference]: Without dead ends: 1408 [2018-12-09 10:25:06,134 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2018-12-09 10:25:06,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1408 states. [2018-12-09 10:25:06,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1408 to 1382. [2018-12-09 10:25:06,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1382 states. [2018-12-09 10:25:06,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1382 states to 1382 states and 1890 transitions. [2018-12-09 10:25:06,169 INFO L78 Accepts]: Start accepts. Automaton has 1382 states and 1890 transitions. Word has length 145 [2018-12-09 10:25:06,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 10:25:06,169 INFO L480 AbstractCegarLoop]: Abstraction has 1382 states and 1890 transitions. [2018-12-09 10:25:06,169 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 10:25:06,169 INFO L276 IsEmpty]: Start isEmpty. Operand 1382 states and 1890 transitions. [2018-12-09 10:25:06,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-12-09 10:25:06,172 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:25:06,172 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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, 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] [2018-12-09 10:25:06,172 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 10:25:06,173 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:25:06,173 INFO L82 PathProgramCache]: Analyzing trace with hash 874887550, now seen corresponding path program 1 times [2018-12-09 10:25:06,173 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 10:25:06,173 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 10:25:06,173 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:25:06,173 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:25:06,174 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:25:06,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:25:06,294 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:25:06,294 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 10:25:06,294 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1b350920-5c11-4192-8044-d82b73821010/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 [2018-12-09 10:25:06,300 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:25:06,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:25:06,339 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 10:25:06,361 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:25:06,376 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 10:25:06,376 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2018-12-09 10:25:06,376 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-09 10:25:06,377 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-09 10:25:06,377 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2018-12-09 10:25:06,377 INFO L87 Difference]: Start difference. First operand 1382 states and 1890 transitions. Second operand 8 states. [2018-12-09 10:25:07,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 10:25:07,521 INFO L93 Difference]: Finished difference Result 5036 states and 7331 transitions. [2018-12-09 10:25:07,522 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-12-09 10:25:07,522 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 144 [2018-12-09 10:25:07,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 10:25:07,536 INFO L225 Difference]: With dead ends: 5036 [2018-12-09 10:25:07,536 INFO L226 Difference]: Without dead ends: 3660 [2018-12-09 10:25:07,539 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 156 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=100, Invalid=206, Unknown=0, NotChecked=0, Total=306 [2018-12-09 10:25:07,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3660 states. [2018-12-09 10:25:07,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3660 to 2804. [2018-12-09 10:25:07,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2804 states. [2018-12-09 10:25:07,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2804 states to 2804 states and 3813 transitions. [2018-12-09 10:25:07,626 INFO L78 Accepts]: Start accepts. Automaton has 2804 states and 3813 transitions. Word has length 144 [2018-12-09 10:25:07,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 10:25:07,627 INFO L480 AbstractCegarLoop]: Abstraction has 2804 states and 3813 transitions. [2018-12-09 10:25:07,627 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-09 10:25:07,627 INFO L276 IsEmpty]: Start isEmpty. Operand 2804 states and 3813 transitions. [2018-12-09 10:25:07,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2018-12-09 10:25:07,635 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:25:07,635 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 10:25:07,635 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 10:25:07,635 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:25:07,635 INFO L82 PathProgramCache]: Analyzing trace with hash 159569531, now seen corresponding path program 1 times [2018-12-09 10:25:07,636 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 10:25:07,636 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 10:25:07,636 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:25:07,636 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:25:07,636 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:25:07,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:25:07,780 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 24 proven. 68 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 10:25:07,780 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 10:25:07,780 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1b350920-5c11-4192-8044-d82b73821010/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 10:25:07,788 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:25:07,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:25:07,837 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 10:25:07,871 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-12-09 10:25:07,895 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 10:25:07,895 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2018-12-09 10:25:07,895 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 10:25:07,895 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 10:25:07,896 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-12-09 10:25:07,896 INFO L87 Difference]: Start difference. First operand 2804 states and 3813 transitions. Second operand 6 states. [2018-12-09 10:25:08,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 10:25:08,619 INFO L93 Difference]: Finished difference Result 8757 states and 11800 transitions. [2018-12-09 10:25:08,619 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-12-09 10:25:08,619 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 212 [2018-12-09 10:25:08,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 10:25:08,619 INFO L225 Difference]: With dead ends: 8757 [2018-12-09 10:25:08,620 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 10:25:08,628 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 232 GetRequests, 221 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2018-12-09 10:25:08,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 10:25:08,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 10:25:08,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 10:25:08,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 10:25:08,628 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 212 [2018-12-09 10:25:08,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 10:25:08,629 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 10:25:08,629 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 10:25:08,629 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 10:25:08,629 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 10:25:08,631 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 10:25:08,684 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:25:08,684 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:25:08,688 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:25:08,704 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:25:08,705 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:25:08,709 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:25:08,730 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:25:08,748 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:25:08,749 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:25:08,757 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:25:08,764 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:25:08,769 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:25:08,770 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:25:08,776 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:25:08,795 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:25:08,796 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:25:08,802 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:25:08,808 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:25:08,825 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:25:08,827 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:25:08,834 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:25:08,842 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:25:09,306 WARN L180 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 58 [2018-12-09 10:25:09,422 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 38 [2018-12-09 10:25:09,532 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 38 [2018-12-09 10:25:09,533 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 10:25:09,533 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a8~0)| ~a8~0) (= ~a21~0 |old(~a21~0)|)) [2018-12-09 10:25:09,533 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 10:25:09,534 INFO L448 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-12-09 10:25:09,534 INFO L448 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-12-09 10:25:09,534 INFO L448 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 10:25:09,534 INFO L448 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 10:25:09,534 INFO L448 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 10:25:09,534 INFO L448 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 10:25:09,534 INFO L448 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 10:25:09,534 INFO L448 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 10:25:09,534 INFO L448 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-12-09 10:25:09,534 INFO L448 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-12-09 10:25:09,534 INFO L448 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-12-09 10:25:09,534 INFO L448 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-12-09 10:25:09,534 INFO L448 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-12-09 10:25:09,534 INFO L448 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-12-09 10:25:09,534 INFO L448 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-12-09 10:25:09,534 INFO L448 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-12-09 10:25:09,534 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-12-09 10:25:09,534 INFO L448 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-12-09 10:25:09,534 INFO L448 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 10:25:09,534 INFO L448 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 10:25:09,534 INFO L448 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 10:25:09,534 INFO L448 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 10:25:09,535 INFO L448 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 10:25:09,535 INFO L448 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 10:25:09,535 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-12-09 10:25:09,535 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-12-09 10:25:09,535 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 533) no Hoare annotation was computed. [2018-12-09 10:25:09,535 INFO L448 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-12-09 10:25:09,535 INFO L448 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-12-09 10:25:09,535 INFO L448 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-12-09 10:25:09,535 INFO L448 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-12-09 10:25:09,535 INFO L448 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-12-09 10:25:09,535 INFO L448 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-12-09 10:25:09,535 INFO L448 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-12-09 10:25:09,535 INFO L448 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-12-09 10:25:09,535 INFO L448 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-12-09 10:25:09,535 INFO L448 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-12-09 10:25:09,535 INFO L448 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-12-09 10:25:09,535 INFO L448 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-12-09 10:25:09,535 INFO L448 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2018-12-09 10:25:09,535 INFO L448 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 10:25:09,535 INFO L448 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 10:25:09,535 INFO L448 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 10:25:09,536 INFO L448 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 10:25:09,536 INFO L448 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 10:25:09,536 INFO L448 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-12-09 10:25:09,536 INFO L448 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-12-09 10:25:09,536 INFO L448 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-12-09 10:25:09,536 INFO L448 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-12-09 10:25:09,536 INFO L448 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-12-09 10:25:09,536 INFO L448 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-12-09 10:25:09,536 INFO L448 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-12-09 10:25:09,536 INFO L448 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-12-09 10:25:09,536 INFO L448 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-12-09 10:25:09,536 INFO L448 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 10:25:09,536 INFO L448 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 10:25:09,536 INFO L448 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 10:25:09,536 INFO L448 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 10:25:09,536 INFO L448 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 10:25:09,536 INFO L448 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-12-09 10:25:09,536 INFO L448 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-12-09 10:25:09,536 INFO L448 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-12-09 10:25:09,536 INFO L448 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-12-09 10:25:09,536 INFO L448 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-12-09 10:25:09,536 INFO L448 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-12-09 10:25:09,536 INFO L448 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-12-09 10:25:09,537 INFO L448 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-12-09 10:25:09,537 INFO L448 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-12-09 10:25:09,537 INFO L448 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-12-09 10:25:09,537 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-12-09 10:25:09,537 INFO L448 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-12-09 10:25:09,537 INFO L448 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-12-09 10:25:09,537 INFO L448 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 10:25:09,537 INFO L448 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 10:25:09,537 INFO L448 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 10:25:09,537 INFO L448 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 10:25:09,537 INFO L448 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 10:25:09,537 INFO L448 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-12-09 10:25:09,537 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-12-09 10:25:09,537 INFO L448 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-12-09 10:25:09,537 INFO L448 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-12-09 10:25:09,537 INFO L448 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-12-09 10:25:09,537 INFO L448 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-12-09 10:25:09,537 INFO L448 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-12-09 10:25:09,537 INFO L448 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-12-09 10:25:09,537 INFO L448 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-12-09 10:25:09,537 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2018-12-09 10:25:09,537 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2018-12-09 10:25:09,538 INFO L448 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 10:25:09,538 INFO L448 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 10:25:09,538 INFO L448 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 10:25:09,538 INFO L448 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 10:25:09,538 INFO L448 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-12-09 10:25:09,538 INFO L448 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 10:25:09,538 INFO L448 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-12-09 10:25:09,538 INFO L448 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-12-09 10:25:09,538 INFO L448 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-12-09 10:25:09,538 INFO L448 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-12-09 10:25:09,538 INFO L448 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-12-09 10:25:09,538 INFO L448 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-12-09 10:25:09,538 INFO L448 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-12-09 10:25:09,538 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-12-09 10:25:09,538 INFO L448 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-12-09 10:25:09,538 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-12-09 10:25:09,538 INFO L448 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-12-09 10:25:09,538 INFO L448 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-12-09 10:25:09,538 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-12-09 10:25:09,538 INFO L448 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 10:25:09,538 INFO L448 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 10:25:09,538 INFO L448 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 10:25:09,538 INFO L448 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 10:25:09,539 INFO L448 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 10:25:09,539 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-12-09 10:25:09,539 INFO L448 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-12-09 10:25:09,539 INFO L448 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-12-09 10:25:09,539 INFO L448 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-12-09 10:25:09,539 INFO L448 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-12-09 10:25:09,539 INFO L448 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-12-09 10:25:09,539 INFO L448 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-12-09 10:25:09,539 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-12-09 10:25:09,539 INFO L448 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 10:25:09,539 INFO L448 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 10:25:09,539 INFO L448 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 10:25:09,539 INFO L448 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 10:25:09,539 INFO L448 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 10:25:09,539 INFO L448 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-12-09 10:25:09,539 INFO L448 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-12-09 10:25:09,539 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-12-09 10:25:09,539 INFO L448 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-12-09 10:25:09,539 INFO L448 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-12-09 10:25:09,539 INFO L448 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-12-09 10:25:09,539 INFO L448 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-12-09 10:25:09,539 INFO L448 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-12-09 10:25:09,540 INFO L448 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-12-09 10:25:09,540 INFO L448 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-12-09 10:25:09,540 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse8 (= 13 |old(~a8~0)|))) (let ((.cse2 (not (= ~a17~0 1))) (.cse6 (not (= ~a16~0 6))) (.cse9 (= |old(~a8~0)| ~a8~0)) (.cse3 (= 1 |old(~a17~0)|)) (.cse13 (<= ~a20~0 0)) (.cse12 (< 0 |old(~a20~0)|)) (.cse5 (= 13 ~a8~0)) (.cse7 (= ~a21~0 |old(~a21~0)|)) (.cse4 (not .cse8)) (.cse15 (<= ~a17~0 0)) (.cse14 (< 0 |old(~a17~0)|)) (.cse0 (= 6 |old(~a16~0)|)) (.cse1 (not (= 1 |old(~a21~0)|))) (.cse10 (<= ~a7~0 0)) (.cse11 (< 0 |old(~a7~0)|))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 (and .cse5 .cse6 .cse7)) (or .cse1 .cse8 (and .cse9 .cse2 .cse7) .cse3) (or .cse0 .cse1 (and .cse9 .cse6 .cse7)) (or .cse1 .cse10 .cse11 .cse12) (or .cse1 .cse8 (and .cse9 .cse7 .cse13) .cse12) (or .cse1 .cse10 .cse3 .cse11) (or .cse0 .cse13 .cse4 .cse12) (or .cse1 (and .cse5 .cse7 .cse10) .cse11 .cse4) (or .cse14 (and .cse5 .cse15 .cse7) .cse4) (or .cse15 (or .cse1 .cse14)) (or .cse0 .cse1 .cse10 .cse11)))) [2018-12-09 10:25:09,540 INFO L448 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-12-09 10:25:09,540 INFO L448 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 10:25:09,540 INFO L448 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 10:25:09,540 INFO L448 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 10:25:09,540 INFO L448 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 10:25:09,540 INFO L448 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-12-09 10:25:09,540 INFO L448 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 10:25:09,540 INFO L448 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2018-12-09 10:25:09,540 INFO L448 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-12-09 10:25:09,540 INFO L448 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-12-09 10:25:09,540 INFO L448 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-12-09 10:25:09,540 INFO L448 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-12-09 10:25:09,540 INFO L448 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-12-09 10:25:09,540 INFO L448 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-12-09 10:25:09,541 INFO L448 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-12-09 10:25:09,541 INFO L448 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-12-09 10:25:09,541 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-12-09 10:25:09,541 INFO L448 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-12-09 10:25:09,541 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-12-09 10:25:09,541 INFO L448 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-12-09 10:25:09,541 INFO L448 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 10:25:09,541 INFO L448 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 10:25:09,541 INFO L448 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 10:25:09,541 INFO L448 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 10:25:09,541 INFO L448 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 10:25:09,541 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-12-09 10:25:09,541 INFO L448 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 10:25:09,541 INFO L448 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-12-09 10:25:09,541 INFO L448 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-12-09 10:25:09,541 INFO L448 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-12-09 10:25:09,541 INFO L448 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-12-09 10:25:09,541 INFO L448 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-12-09 10:25:09,541 INFO L448 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-12-09 10:25:09,541 INFO L448 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-12-09 10:25:09,541 INFO L448 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-12-09 10:25:09,541 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-12-09 10:25:09,542 INFO L448 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-12-09 10:25:09,542 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-12-09 10:25:09,542 INFO L448 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-12-09 10:25:09,542 INFO L448 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-12-09 10:25:09,542 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-12-09 10:25:09,542 INFO L448 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 10:25:09,542 INFO L448 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 10:25:09,542 INFO L448 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 10:25:09,542 INFO L448 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 10:25:09,542 INFO L448 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 10:25:09,542 INFO L448 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 10:25:09,542 INFO L448 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-12-09 10:25:09,542 INFO L448 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-12-09 10:25:09,542 INFO L448 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-12-09 10:25:09,542 INFO L448 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-12-09 10:25:09,542 INFO L448 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-12-09 10:25:09,542 INFO L448 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-12-09 10:25:09,542 INFO L448 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-12-09 10:25:09,542 INFO L448 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-12-09 10:25:09,542 INFO L448 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-12-09 10:25:09,542 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-12-09 10:25:09,542 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 10:25:09,543 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (not (= ~a16~0 6)) (= 1 ~a21~0) (<= ~a7~0 0) (not (= ~a8~0 13))) [2018-12-09 10:25:09,543 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 10:25:09,543 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 10:25:09,543 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (= 6 |old(~a16~0)|) (not (= 1 |old(~a21~0)|)) (and (= |old(~a8~0)| ~a8~0) (not (= ~a16~0 6)) (= ~a21~0 |old(~a21~0)|) (<= ~a7~0 0)) (= 13 |old(~a8~0)|) (< 0 |old(~a7~0)|)) [2018-12-09 10:25:09,543 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2018-12-09 10:25:09,543 INFO L444 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse3 (not (= ~a8~0 13))) (.cse0 (= 13 ~a8~0)) (.cse1 (not (= ~a16~0 6))) (.cse2 (= 1 ~a21~0))) (or (not (= 1 |old(~a21~0)|)) (and .cse0 .cse1) (and .cse2 (not (= ~a17~0 1)) .cse3) (and .cse2 .cse3 (<= ~a20~0 0)) (< 0 |old(~a7~0)|) (= 6 |old(~a16~0)|) (and .cse0 .cse2 (<= ~a7~0 0)) (= 13 |old(~a8~0)|) (and .cse0 (<= ~a17~0 0)) (and .cse1 .cse2))) [2018-12-09 10:25:09,543 INFO L448 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2018-12-09 10:25:09,543 INFO L448 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-12-09 10:25:09,543 INFO L444 ceAbstractionStarter]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse3 (not (= ~a8~0 13))) (.cse0 (= 13 ~a8~0)) (.cse1 (not (= ~a16~0 6))) (.cse2 (= 1 ~a21~0))) (or (not (= 1 |old(~a21~0)|)) (and .cse0 .cse1) (and .cse2 (not (= ~a17~0 1)) .cse3) (and .cse2 .cse3 (<= ~a20~0 0)) (< 0 |old(~a7~0)|) (= 6 |old(~a16~0)|) (and .cse0 .cse2 (<= ~a7~0 0)) (= 13 |old(~a8~0)|) (and .cse0 (<= ~a17~0 0)) (and .cse1 .cse2))) [2018-12-09 10:25:09,543 INFO L448 ceAbstractionStarter]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2018-12-09 10:25:09,554 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 10:25:09 BoogieIcfgContainer [2018-12-09 10:25:09,555 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 10:25:09,555 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 10:25:09,555 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 10:25:09,555 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 10:25:09,556 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 10:25:03" (3/4) ... [2018-12-09 10:25:09,558 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 10:25:09,564 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 10:25:09,565 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-12-09 10:25:09,565 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 10:25:09,574 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-09 10:25:09,574 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-09 10:25:09,596 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(1 == \old(a21)) || (13 == a8 && !(a16 == 6))) || ((1 == a21 && !(a17 == 1)) && !(a8 == 13))) || ((1 == a21 && !(a8 == 13)) && a20 <= 0)) || 0 < \old(a7)) || 6 == \old(a16)) || ((13 == a8 && 1 == a21) && a7 <= 0)) || 13 == \old(a8)) || (13 == a8 && a17 <= 0)) || (!(a16 == 6) && 1 == a21) [2018-12-09 10:25:09,651 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_1b350920-5c11-4192-8044-d82b73821010/bin-2019/uautomizer/witness.graphml [2018-12-09 10:25:09,651 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 10:25:09,652 INFO L168 Benchmark]: Toolchain (without parser) took 6819.52 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 406.3 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -155.5 MB). Peak memory consumption was 250.9 MB. Max. memory is 11.5 GB. [2018-12-09 10:25:09,652 INFO L168 Benchmark]: CDTParser took 0.15 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 10:25:09,653 INFO L168 Benchmark]: CACSL2BoogieTranslator took 329.70 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -175.1 MB). Peak memory consumption was 43.5 MB. Max. memory is 11.5 GB. [2018-12-09 10:25:09,653 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.75 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 10:25:09,653 INFO L168 Benchmark]: Boogie Preprocessor took 48.70 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-12-09 10:25:09,653 INFO L168 Benchmark]: RCFGBuilder took 555.84 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 104.8 MB). Peak memory consumption was 104.8 MB. Max. memory is 11.5 GB. [2018-12-09 10:25:09,654 INFO L168 Benchmark]: TraceAbstraction took 5759.29 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 263.7 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -103.5 MB). Peak memory consumption was 374.2 MB. Max. memory is 11.5 GB. [2018-12-09 10:25:09,654 INFO L168 Benchmark]: Witness Printer took 96.57 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 11.5 GB. [2018-12-09 10:25:09,655 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 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 329.70 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -175.1 MB). Peak memory consumption was 43.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 25.75 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 48.70 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 555.84 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 104.8 MB). Peak memory consumption was 104.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 5759.29 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 263.7 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -103.5 MB). Peak memory consumption was 374.2 MB. Max. memory is 11.5 GB. * Witness Printer took 96.57 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 533]: 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: 583]: Loop Invariant Derived loop invariant: ((((((((!(1 == \old(a21)) || (13 == a8 && !(a16 == 6))) || ((1 == a21 && !(a17 == 1)) && !(a8 == 13))) || ((1 == a21 && !(a8 == 13)) && a20 <= 0)) || 0 < \old(a7)) || 6 == \old(a16)) || ((13 == a8 && 1 == a21) && a7 <= 0)) || 13 == \old(a8)) || (13 == a8 && a17 <= 0)) || (!(a16 == 6) && 1 == a21) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. SAFE Result, 5.7s OverallTime, 5 OverallIterations, 3 TraceHistogramMax, 3.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.9s HoareAnnotationTime, HoareTripleCheckerStatistics: 167 SDtfs, 2413 SDslu, 277 SDs, 0 SdLazy, 5023 SolverSat, 943 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 585 GetRequests, 534 SyntacticMatches, 4 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2804occurred in iteration=4, 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: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 892 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 111 PreInvPairs, 223 NumberOfFragments, 408 HoareAnnotationTreeSize, 111 FomulaSimplifications, 8297 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 7 FomulaSimplificationsInter, 4030 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 1261 NumberOfCodeBlocks, 1261 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 1253 ConstructedInterpolants, 0 QuantifiedInterpolants, 550173 SizeOfPredicates, 6 NumberOfNonLiveVariables, 1315 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 8 InterpolantComputations, 5 PerfectInterpolantSequences, 190/276 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...