./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/email_spec11_product07.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_bf77a4a8-ee63-4e6b-96bf-339f42df1059/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_bf77a4a8-ee63-4e6b-96bf-339f42df1059/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_bf77a4a8-ee63-4e6b-96bf-339f42df1059/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_bf77a4a8-ee63-4e6b-96bf-339f42df1059/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/email_spec11_product07.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_bf77a4a8-ee63-4e6b-96bf-339f42df1059/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_bf77a4a8-ee63-4e6b-96bf-339f42df1059/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3eba260d1f6309acca20f919ed550604e4154773 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 12:07:24,515 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 12:07:24,516 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 12:07:24,523 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 12:07:24,524 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 12:07:24,524 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 12:07:24,525 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 12:07:24,526 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 12:07:24,528 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 12:07:24,528 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 12:07:24,529 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 12:07:24,530 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 12:07:24,530 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 12:07:24,531 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 12:07:24,531 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 12:07:24,532 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 12:07:24,533 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 12:07:24,533 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 12:07:24,534 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 12:07:24,536 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 12:07:24,537 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 12:07:24,538 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 12:07:24,538 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 12:07:24,539 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 12:07:24,540 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 12:07:24,541 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 12:07:24,541 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 12:07:24,541 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 12:07:24,541 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 12:07:24,542 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 12:07:24,542 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 12:07:24,543 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 12:07:24,543 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 12:07:24,543 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 12:07:24,544 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 12:07:24,544 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 12:07:24,545 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 12:07:24,545 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 12:07:24,545 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 12:07:24,545 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 12:07:24,546 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 12:07:24,546 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_bf77a4a8-ee63-4e6b-96bf-339f42df1059/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-12-07 12:07:24,557 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 12:07:24,557 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 12:07:24,558 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 12:07:24,558 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 12:07:24,558 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 12:07:24,559 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-12-07 12:07:24,559 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-12-07 12:07:24,559 INFO L138 SettingsManager]: * Use old map elimination=false [2019-12-07 12:07:24,559 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-12-07 12:07:24,559 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-12-07 12:07:24,559 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-12-07 12:07:24,559 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 12:07:24,560 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 12:07:24,560 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 12:07:24,560 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 12:07:24,560 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 12:07:24,560 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 12:07:24,560 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-12-07 12:07:24,560 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-12-07 12:07:24,561 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-12-07 12:07:24,561 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 12:07:24,561 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 12:07:24,561 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-12-07 12:07:24,561 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 12:07:24,561 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-12-07 12:07:24,561 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 12:07:24,562 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 12:07:24,562 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-12-07 12:07:24,562 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 12:07:24,562 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 12:07:24,562 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 12:07:24,562 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-12-07 12:07:24,563 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-12-07 12:07:24,563 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_bf77a4a8-ee63-4e6b-96bf-339f42df1059/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) 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 -> 3eba260d1f6309acca20f919ed550604e4154773 [2019-12-07 12:07:24,660 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 12:07:24,668 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 12:07:24,670 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 12:07:24,671 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 12:07:24,671 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 12:07:24,671 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_bf77a4a8-ee63-4e6b-96bf-339f42df1059/bin/uautomizer/../../sv-benchmarks/c/product-lines/email_spec11_product07.cil.c [2019-12-07 12:07:24,707 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_bf77a4a8-ee63-4e6b-96bf-339f42df1059/bin/uautomizer/data/6b75f7cca/a0093f54b9294c0297776b3c9b85ff9d/FLAG9935abd5a [2019-12-07 12:07:25,182 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 12:07:25,182 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_bf77a4a8-ee63-4e6b-96bf-339f42df1059/sv-benchmarks/c/product-lines/email_spec11_product07.cil.c [2019-12-07 12:07:25,194 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_bf77a4a8-ee63-4e6b-96bf-339f42df1059/bin/uautomizer/data/6b75f7cca/a0093f54b9294c0297776b3c9b85ff9d/FLAG9935abd5a [2019-12-07 12:07:25,204 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_bf77a4a8-ee63-4e6b-96bf-339f42df1059/bin/uautomizer/data/6b75f7cca/a0093f54b9294c0297776b3c9b85ff9d [2019-12-07 12:07:25,206 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 12:07:25,207 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 12:07:25,207 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 12:07:25,207 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 12:07:25,209 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 12:07:25,210 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:07:25" (1/1) ... [2019-12-07 12:07:25,212 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71e4e238 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:07:25, skipping insertion in model container [2019-12-07 12:07:25,212 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:07:25" (1/1) ... [2019-12-07 12:07:25,217 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 12:07:25,253 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 12:07:25,546 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 12:07:25,555 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 12:07:25,618 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 12:07:25,658 INFO L208 MainTranslator]: Completed translation [2019-12-07 12:07:25,658 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:07:25 WrapperNode [2019-12-07 12:07:25,659 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 12:07:25,659 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 12:07:25,659 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 12:07:25,659 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 12:07:25,665 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:07:25" (1/1) ... [2019-12-07 12:07:25,685 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:07:25" (1/1) ... [2019-12-07 12:07:25,725 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 12:07:25,726 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 12:07:25,726 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 12:07:25,726 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 12:07:25,733 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:07:25" (1/1) ... [2019-12-07 12:07:25,733 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:07:25" (1/1) ... [2019-12-07 12:07:25,739 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:07:25" (1/1) ... [2019-12-07 12:07:25,739 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:07:25" (1/1) ... [2019-12-07 12:07:25,758 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:07:25" (1/1) ... [2019-12-07 12:07:25,770 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:07:25" (1/1) ... [2019-12-07 12:07:25,774 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:07:25" (1/1) ... [2019-12-07 12:07:25,780 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 12:07:25,781 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 12:07:25,781 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 12:07:25,781 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 12:07:25,782 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:07:25" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bf77a4a8-ee63-4e6b-96bf-339f42df1059/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 12:07:25,831 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-12-07 12:07:25,831 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 12:07:25,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-07 12:07:25,832 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 12:07:25,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 12:07:26,725 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 12:07:26,725 INFO L287 CfgBuilder]: Removed 281 assume(true) statements. [2019-12-07 12:07:26,726 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:07:26 BoogieIcfgContainer [2019-12-07 12:07:26,726 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 12:07:26,727 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-12-07 12:07:26,727 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-12-07 12:07:26,729 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-12-07 12:07:26,730 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 12:07:26,730 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.12 12:07:25" (1/3) ... [2019-12-07 12:07:26,731 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3c88322 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 12:07:26, skipping insertion in model container [2019-12-07 12:07:26,731 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 12:07:26,731 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:07:25" (2/3) ... [2019-12-07 12:07:26,731 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3c88322 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 12:07:26, skipping insertion in model container [2019-12-07 12:07:26,731 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 12:07:26,731 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:07:26" (3/3) ... [2019-12-07 12:07:26,732 INFO L371 chiAutomizerObserver]: Analyzing ICFG email_spec11_product07.cil.c [2019-12-07 12:07:26,762 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-12-07 12:07:26,763 INFO L357 BuchiCegarLoop]: Hoare is false [2019-12-07 12:07:26,763 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-12-07 12:07:26,763 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 12:07:26,763 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 12:07:26,763 INFO L361 BuchiCegarLoop]: Difference is false [2019-12-07 12:07:26,763 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 12:07:26,763 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-12-07 12:07:26,779 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 347 states. [2019-12-07 12:07:26,808 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 72 [2019-12-07 12:07:26,809 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 12:07:26,809 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 12:07:26,814 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:07:26,815 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-12-07 12:07:26,815 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-12-07 12:07:26,815 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 347 states. [2019-12-07 12:07:26,823 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 72 [2019-12-07 12:07:26,823 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 12:07:26,823 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 12:07:26,824 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:07:26,824 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-12-07 12:07:26,829 INFO L794 eck$LassoCheckResult]: Stem: 115#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string2.base, #t~string2.offset := #Ultimate.allocOnStack(44);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(44);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(9);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(9);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(11);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(10);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(34);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(16);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(22);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(10);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(12);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(10);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(18);call #t~string79.base, #t~string79.offset := #Ultimate.allocOnStack(30);call #t~string80.base, #t~string80.offset := #Ultimate.allocOnStack(9);call #t~string81.base, #t~string81.offset := #Ultimate.allocOnStack(21);call #t~string82.base, #t~string82.offset := #Ultimate.allocOnStack(30);call #t~string83.base, #t~string83.offset := #Ultimate.allocOnStack(9);call #t~string84.base, #t~string84.offset := #Ultimate.allocOnStack(21);call #t~string88.base, #t~string88.offset := #Ultimate.allocOnStack(30);call #t~string89.base, #t~string89.offset := #Ultimate.allocOnStack(9);call #t~string90.base, #t~string90.offset := #Ultimate.allocOnStack(25);call #t~string91.base, #t~string91.offset := #Ultimate.allocOnStack(30);call #t~string92.base, #t~string92.offset := #Ultimate.allocOnStack(9);call #t~string93.base, #t~string93.offset := #Ultimate.allocOnStack(25);call #t~string96.base, #t~string96.offset := #Ultimate.allocOnStack(20);call #t~string99.base, #t~string99.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string99.base, #t~string99.offset, 1);call write~init~int(115, #t~string99.base, 1 + #t~string99.offset, 1);call write~init~int(10, #t~string99.base, 2 + #t~string99.offset, 1);call write~init~int(0, #t~string99.base, 3 + #t~string99.offset, 1);~__ste_Email_counter~0 := 0;~__ste_email_id0~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_from0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_to1~0 := 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.offset := 0, 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_body0~0.base, ~__ste_email_body0~0.offset := 0, 0;~__ste_email_body1~0.base, ~__ste_email_body1~0.offset := 0, 0;~__ste_email_isEncrypted0~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_encryptionKey0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__ste_email_signKey0~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_isSignatureVerified1~0 := 0;~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0;~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 16#L-1true havoc main_#res;havoc main_#t~nondet15, main_#t~ret16, main_~retValue_acc~28, main_~tmp~3;main_~retValue_acc~28 := main_#t~nondet15;havoc main_#t~nondet15;havoc main_~tmp~3; 208#L1988true havoc valid_product_#res;havoc valid_product_~retValue_acc~37;havoc valid_product_~retValue_acc~37;valid_product_~retValue_acc~37 := 1;valid_product_#res := valid_product_~retValue_acc~37; 246#L1996true main_#t~ret16 := valid_product_#res;main_~tmp~3 := main_#t~ret16;havoc main_#t~ret16; 131#L1662true assume 0 != main_~tmp~3;havoc setup_#t~nondet10, setup_#t~nondet12, setup_#t~nondet14, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset;havoc setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset;~bob~0 := 1;setup_bob_#in~bob___0 := ~bob~0;havoc setup_bob_~bob___0;setup_bob_~bob___0 := setup_bob_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob_~bob___0, setup_bob_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 111#L1514true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 209#L1520-2true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string9.base, #t~string9.offset;havoc setup_#t~nondet10;~rjh~0 := 2;setup_rjh_#in~rjh___0 := ~rjh~0;havoc setup_rjh_~rjh___0;setup_rjh_~rjh___0 := setup_rjh_#in~rjh___0;setClientId_#in~handle, setClientId_#in~value := setup_rjh_~rjh___0, setup_rjh_~rjh___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 95#L1514-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 222#L1520-5true setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string11.base, #t~string11.offset;havoc setup_#t~nondet12;~chuck~0 := 3;setup_chuck_#in~chuck___0 := ~chuck~0;havoc setup_chuck_~chuck___0;setup_chuck_~chuck___0 := setup_chuck_#in~chuck___0;setClientId_#in~handle, setClientId_#in~value := setup_chuck_~chuck___0, setup_chuck_~chuck___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 100#L1514-4true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 201#L1520-8true setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset := #t~string13.base, #t~string13.offset;havoc setup_#t~nondet14; 255#L1649true havoc test_#t~nondet50, test_#t~nondet51, test_#t~nondet52, test_#t~nondet53, test_#t~nondet54, test_#t~nondet55, test_#t~nondet56, test_#t~nondet57, test_#t~nondet58, test_#t~nondet59, test_#t~nondet60, test_~op1~0, test_~op2~0, test_~op3~0, test_~op4~0, test_~op5~0, test_~op6~0, test_~op7~0, test_~op8~0, test_~op9~0, test_~op10~0, test_~op11~0, test_~splverifierCounter~0, test_~tmp~12, test_~tmp___0~3, test_~tmp___1~3, test_~tmp___2~2, test_~tmp___3~0, test_~tmp___4~0, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~12;havoc test_~tmp___0~3;havoc test_~tmp___1~3;havoc test_~tmp___2~2;havoc test_~tmp___3~0;havoc test_~tmp___4~0;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 6#L2168-1true [2019-12-07 12:07:26,829 INFO L796 eck$LassoCheckResult]: Loop: 6#L2168-1true assume !false; 28#L2041true assume test_~splverifierCounter~0 < 4; 135#L2042true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 109#L2048true assume 0 == test_~op1~0;test_~tmp___9~0 := test_#t~nondet50;havoc test_#t~nondet50; 27#L2052true assume 0 != test_~tmp___9~0;test_~op1~0 := 1; 6#L2168-1true [2019-12-07 12:07:26,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:07:26,833 INFO L82 PathProgramCache]: Analyzing trace with hash -580026000, now seen corresponding path program 1 times [2019-12-07 12:07:26,839 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:07:26,839 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [926307131] [2019-12-07 12:07:26,839 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:07:26,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:07:27,026 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 12:07:27,026 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [926307131] [2019-12-07 12:07:27,027 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:07:27,027 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 12:07:27,028 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076909437] [2019-12-07 12:07:27,031 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-12-07 12:07:27,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:07:27,031 INFO L82 PathProgramCache]: Analyzing trace with hash 103192148, now seen corresponding path program 1 times [2019-12-07 12:07:27,031 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:07:27,032 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910833467] [2019-12-07 12:07:27,032 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:07:27,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 12:07:27,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 12:07:27,063 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 12:07:27,109 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 12:07:27,109 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 12:07:27,110 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 12:07:27,110 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 12:07:27,110 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-12-07 12:07:27,110 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 12:07:27,110 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 12:07:27,110 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 12:07:27,111 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec11_product07.cil.c_Iteration1_Loop [2019-12-07 12:07:27,111 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 12:07:27,111 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 12:07:27,131 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 12:07:27,140 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 12:07:27,146 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 12:07:27,200 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 12:07:27,200 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bf77a4a8-ee63-4e6b-96bf-339f42df1059/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 12:07:27,205 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 12:07:27,206 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bf77a4a8-ee63-4e6b-96bf-339f42df1059/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 12:07:27,214 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-12-07 12:07:27,214 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 12:07:27,220 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-12-07 12:07:27,222 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 12:07:27,222 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 12:07:27,222 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 12:07:27,222 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 12:07:27,222 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 12:07:27,223 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 12:07:27,223 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 12:07:27,223 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 12:07:27,223 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec11_product07.cil.c_Iteration1_Loop [2019-12-07 12:07:27,223 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 12:07:27,223 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 12:07:27,224 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 12:07:27,229 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 12:07:27,234 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 12:07:27,273 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 12:07:27,277 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bf77a4a8-ee63-4e6b-96bf-339f42df1059/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 12:07:27,280 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 12:07:27,282 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 12:07:27,282 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 12:07:27,282 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 12:07:27,282 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 12:07:27,282 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 12:07:27,284 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 12:07:27,285 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 12:07:27,287 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 12:07:27,291 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-12-07 12:07:27,291 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bf77a4a8-ee63-4e6b-96bf-339f42df1059/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 12:07:27,297 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 12:07:27,297 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-12-07 12:07:27,297 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 12:07:27,298 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~op1~0) = -2*ULTIMATE.start_test_~op1~0 + 1 Supporting invariants [] [2019-12-07 12:07:27,301 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-12-07 12:07:27,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:07:27,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:07:27,433 INFO L264 TraceCheckSpWp]: Trace formula consists of 504 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 12:07:27,434 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:07:27,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:07:27,455 INFO L264 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 12:07:27,456 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:07:27,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 12:07:27,480 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-12-07 12:07:27,481 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 347 states. Second operand 4 states. [2019-12-07 12:07:27,616 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 347 states.. Second operand 4 states. Result 1596 states and 2701 transitions. Complement of second has 7 states. [2019-12-07 12:07:27,617 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-12-07 12:07:27,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-12-07 12:07:27,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1585 transitions. [2019-12-07 12:07:27,623 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1585 transitions. Stem has 12 letters. Loop has 5 letters. [2019-12-07 12:07:27,624 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 12:07:27,624 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1585 transitions. Stem has 17 letters. Loop has 5 letters. [2019-12-07 12:07:27,624 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 12:07:27,625 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1585 transitions. Stem has 12 letters. Loop has 10 letters. [2019-12-07 12:07:27,625 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 12:07:27,626 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1596 states and 2701 transitions. [2019-12-07 12:07:27,646 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 143 [2019-12-07 12:07:27,654 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1596 states to 307 states and 563 transitions. [2019-12-07 12:07:27,655 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 162 [2019-12-07 12:07:27,656 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 163 [2019-12-07 12:07:27,656 INFO L73 IsDeterministic]: Start isDeterministic. Operand 307 states and 563 transitions. [2019-12-07 12:07:27,658 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 12:07:27,658 INFO L688 BuchiCegarLoop]: Abstraction has 307 states and 563 transitions. [2019-12-07 12:07:27,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states and 563 transitions. [2019-12-07 12:07:27,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 164. [2019-12-07 12:07:27,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 164 states. [2019-12-07 12:07:27,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 298 transitions. [2019-12-07 12:07:27,691 INFO L711 BuchiCegarLoop]: Abstraction has 164 states and 298 transitions. [2019-12-07 12:07:27,691 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 12:07:27,693 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 12:07:27,694 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 12:07:27,694 INFO L87 Difference]: Start difference. First operand 164 states and 298 transitions. Second operand 3 states. [2019-12-07 12:07:27,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:07:27,722 INFO L93 Difference]: Finished difference Result 312 states and 568 transitions. [2019-12-07 12:07:27,722 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 12:07:27,723 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 312 states and 568 transitions. [2019-12-07 12:07:27,726 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 144 [2019-12-07 12:07:27,729 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 312 states to 312 states and 568 transitions. [2019-12-07 12:07:27,729 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 166 [2019-12-07 12:07:27,729 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 166 [2019-12-07 12:07:27,730 INFO L73 IsDeterministic]: Start isDeterministic. Operand 312 states and 568 transitions. [2019-12-07 12:07:27,730 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 12:07:27,730 INFO L688 BuchiCegarLoop]: Abstraction has 312 states and 568 transitions. [2019-12-07 12:07:27,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states and 568 transitions. [2019-12-07 12:07:27,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 163. [2019-12-07 12:07:27,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states. [2019-12-07 12:07:27,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 294 transitions. [2019-12-07 12:07:27,739 INFO L711 BuchiCegarLoop]: Abstraction has 163 states and 294 transitions. [2019-12-07 12:07:27,739 INFO L591 BuchiCegarLoop]: Abstraction has 163 states and 294 transitions. [2019-12-07 12:07:27,739 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-12-07 12:07:27,739 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 163 states and 294 transitions. [2019-12-07 12:07:27,741 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 72 [2019-12-07 12:07:27,741 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 12:07:27,741 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 12:07:27,742 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:07:27,742 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:07:27,742 INFO L794 eck$LassoCheckResult]: Stem: 2630#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string2.base, #t~string2.offset := #Ultimate.allocOnStack(44);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(44);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(9);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(9);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(11);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(10);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(34);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(16);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(22);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(10);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(12);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(10);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(18);call #t~string79.base, #t~string79.offset := #Ultimate.allocOnStack(30);call #t~string80.base, #t~string80.offset := #Ultimate.allocOnStack(9);call #t~string81.base, #t~string81.offset := #Ultimate.allocOnStack(21);call #t~string82.base, #t~string82.offset := #Ultimate.allocOnStack(30);call #t~string83.base, #t~string83.offset := #Ultimate.allocOnStack(9);call #t~string84.base, #t~string84.offset := #Ultimate.allocOnStack(21);call #t~string88.base, #t~string88.offset := #Ultimate.allocOnStack(30);call #t~string89.base, #t~string89.offset := #Ultimate.allocOnStack(9);call #t~string90.base, #t~string90.offset := #Ultimate.allocOnStack(25);call #t~string91.base, #t~string91.offset := #Ultimate.allocOnStack(30);call #t~string92.base, #t~string92.offset := #Ultimate.allocOnStack(9);call #t~string93.base, #t~string93.offset := #Ultimate.allocOnStack(25);call #t~string96.base, #t~string96.offset := #Ultimate.allocOnStack(20);call #t~string99.base, #t~string99.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string99.base, #t~string99.offset, 1);call write~init~int(115, #t~string99.base, 1 + #t~string99.offset, 1);call write~init~int(10, #t~string99.base, 2 + #t~string99.offset, 1);call write~init~int(0, #t~string99.base, 3 + #t~string99.offset, 1);~__ste_Email_counter~0 := 0;~__ste_email_id0~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_from0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_to1~0 := 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.offset := 0, 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_body0~0.base, ~__ste_email_body0~0.offset := 0, 0;~__ste_email_body1~0.base, ~__ste_email_body1~0.offset := 0, 0;~__ste_email_isEncrypted0~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_encryptionKey0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__ste_email_signKey0~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_isSignatureVerified1~0 := 0;~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0;~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 2552#L-1 havoc main_#res;havoc main_#t~nondet15, main_#t~ret16, main_~retValue_acc~28, main_~tmp~3;main_~retValue_acc~28 := main_#t~nondet15;havoc main_#t~nondet15;havoc main_~tmp~3; 2553#L1988 havoc valid_product_#res;havoc valid_product_~retValue_acc~37;havoc valid_product_~retValue_acc~37;valid_product_~retValue_acc~37 := 1;valid_product_#res := valid_product_~retValue_acc~37; 2530#L1996 main_#t~ret16 := valid_product_#res;main_~tmp~3 := main_#t~ret16;havoc main_#t~ret16; 2531#L1662 assume 0 != main_~tmp~3;havoc setup_#t~nondet10, setup_#t~nondet12, setup_#t~nondet14, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset;havoc setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset;~bob~0 := 1;setup_bob_#in~bob___0 := ~bob~0;havoc setup_bob_~bob___0;setup_bob_~bob___0 := setup_bob_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob_~bob___0, setup_bob_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 2629#L1514 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 2508#L1520-2 setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string9.base, #t~string9.offset;havoc setup_#t~nondet10;~rjh~0 := 2;setup_rjh_#in~rjh___0 := ~rjh~0;havoc setup_rjh_~rjh___0;setup_rjh_~rjh___0 := setup_rjh_#in~rjh___0;setClientId_#in~handle, setClientId_#in~value := setup_rjh_~rjh___0, setup_rjh_~rjh___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 2588#L1514-2 assume !(1 == setClientId_~handle); 2532#L1517-2 assume 2 == setClientId_~handle;~__ste_client_idCounter1~0 := setClientId_~value; 2533#L1520-5 setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string11.base, #t~string11.offset;havoc setup_#t~nondet12;~chuck~0 := 3;setup_chuck_#in~chuck___0 := ~chuck~0;havoc setup_chuck_~chuck___0;setup_chuck_~chuck___0 := setup_chuck_#in~chuck___0;setClientId_#in~handle, setClientId_#in~value := setup_chuck_~chuck___0, setup_chuck_~chuck___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 2601#L1514-4 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 2602#L1520-8 setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset := #t~string13.base, #t~string13.offset;havoc setup_#t~nondet14; 2599#L1649 havoc test_#t~nondet50, test_#t~nondet51, test_#t~nondet52, test_#t~nondet53, test_#t~nondet54, test_#t~nondet55, test_#t~nondet56, test_#t~nondet57, test_#t~nondet58, test_#t~nondet59, test_#t~nondet60, test_~op1~0, test_~op2~0, test_~op3~0, test_~op4~0, test_~op5~0, test_~op6~0, test_~op7~0, test_~op8~0, test_~op9~0, test_~op10~0, test_~op11~0, test_~splverifierCounter~0, test_~tmp~12, test_~tmp___0~3, test_~tmp___1~3, test_~tmp___2~2, test_~tmp___3~0, test_~tmp___4~0, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~12;havoc test_~tmp___0~3;havoc test_~tmp___1~3;havoc test_~tmp___2~2;havoc test_~tmp___3~0;havoc test_~tmp___4~0;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 2600#L2168-1 assume !false; 2516#L2041 [2019-12-07 12:07:27,742 INFO L796 eck$LassoCheckResult]: Loop: 2516#L2041 assume test_~splverifierCounter~0 < 4; 2615#L2042 test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 2627#L2048 assume !(0 == test_~op1~0); 2542#L2058 assume !(0 == test_~op2~0); 2543#L2072 assume 0 == test_~op3~0;test_~tmp___7~0 := test_#t~nondet52;havoc test_#t~nondet52; 2595#L2077 assume 0 != test_~tmp___7~0;test_~op3~0 := 1; 2511#L2168-1 assume !false; 2516#L2041 [2019-12-07 12:07:27,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:07:27,742 INFO L82 PathProgramCache]: Analyzing trace with hash -1897365039, now seen corresponding path program 1 times [2019-12-07 12:07:27,743 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:07:27,743 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419253042] [2019-12-07 12:07:27,743 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:07:27,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:07:27,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 12:07:27,814 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [419253042] [2019-12-07 12:07:27,814 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:07:27,814 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 12:07:27,814 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [631764706] [2019-12-07 12:07:27,815 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-12-07 12:07:27,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:07:27,815 INFO L82 PathProgramCache]: Analyzing trace with hash -235666265, now seen corresponding path program 1 times [2019-12-07 12:07:27,815 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:07:27,815 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1141841451] [2019-12-07 12:07:27,815 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:07:27,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 12:07:27,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 12:07:27,828 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 12:07:27,851 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 12:07:27,851 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 12:07:27,851 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 12:07:27,851 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 12:07:27,852 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-12-07 12:07:27,852 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 12:07:27,852 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 12:07:27,852 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 12:07:27,852 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec11_product07.cil.c_Iteration2_Loop [2019-12-07 12:07:27,852 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 12:07:27,852 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 12:07:27,853 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 12:07:27,856 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 12:07:27,860 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 12:07:27,862 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 12:07:27,867 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 12:07:27,914 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 12:07:27,914 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bf77a4a8-ee63-4e6b-96bf-339f42df1059/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 12:07:27,917 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 12:07:27,917 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 12:07:27,920 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 12:07:27,921 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_~op1~0=7} Honda state: {ULTIMATE.start_test_~op1~0=7} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bf77a4a8-ee63-4e6b-96bf-339f42df1059/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 12:07:27,925 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 12:07:27,925 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bf77a4a8-ee63-4e6b-96bf-339f42df1059/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 12:07:27,933 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-12-07 12:07:27,933 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 12:07:27,938 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-12-07 12:07:27,939 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 12:07:27,940 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 12:07:27,940 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 12:07:27,940 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 12:07:27,940 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 12:07:27,940 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 12:07:27,940 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 12:07:27,940 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 12:07:27,940 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec11_product07.cil.c_Iteration2_Loop [2019-12-07 12:07:27,940 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 12:07:27,941 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 12:07:27,942 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 12:07:27,944 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 12:07:27,948 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 12:07:27,951 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 12:07:27,955 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 12:07:28,011 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 12:07:28,011 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bf77a4a8-ee63-4e6b-96bf-339f42df1059/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 12:07:28,015 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 12:07:28,016 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 12:07:28,016 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 12:07:28,016 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 12:07:28,016 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-12-07 12:07:28,017 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 12:07:28,017 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 12:07:28,018 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 12:07:28,019 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bf77a4a8-ee63-4e6b-96bf-339f42df1059/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 12:07:28,024 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 12:07:28,025 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 12:07:28,025 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 12:07:28,026 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 12:07:28,026 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 12:07:28,026 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 12:07:28,026 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 12:07:28,026 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 12:07:28,028 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 12:07:28,031 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-12-07 12:07:28,031 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bf77a4a8-ee63-4e6b-96bf-339f42df1059/bin/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 12:07:28,034 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 12:07:28,034 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-12-07 12:07:28,034 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 12:07:28,034 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~splverifierCounter~0) = -2*ULTIMATE.start_test_~splverifierCounter~0 + 7 Supporting invariants [] [2019-12-07 12:07:28,036 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-12-07 12:07:28,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:07:28,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:07:28,118 INFO L264 TraceCheckSpWp]: Trace formula consists of 506 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 12:07:28,119 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:07:28,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:07:28,135 INFO L264 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 12:07:28,136 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:07:28,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 12:07:28,154 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2019-12-07 12:07:28,155 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 163 states and 294 transitions. cyclomatic complexity: 133 Second operand 4 states. [2019-12-07 12:07:28,167 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 163 states and 294 transitions. cyclomatic complexity: 133. Second operand 4 states. Result 311 states and 568 transitions. Complement of second has 6 states. [2019-12-07 12:07:28,167 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-12-07 12:07:28,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-12-07 12:07:28,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 159 transitions. [2019-12-07 12:07:28,168 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 159 transitions. Stem has 14 letters. Loop has 7 letters. [2019-12-07 12:07:28,168 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 12:07:28,168 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 159 transitions. Stem has 21 letters. Loop has 7 letters. [2019-12-07 12:07:28,169 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 12:07:28,169 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 159 transitions. Stem has 14 letters. Loop has 14 letters. [2019-12-07 12:07:28,169 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 12:07:28,169 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 311 states and 568 transitions. [2019-12-07 12:07:28,171 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 12:07:28,171 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 311 states to 0 states and 0 transitions. [2019-12-07 12:07:28,171 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-12-07 12:07:28,171 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-12-07 12:07:28,171 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-12-07 12:07:28,171 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 12:07:28,171 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 12:07:28,171 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 12:07:28,171 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 12:07:28,171 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 12:07:28,172 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 12:07:28,172 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 3 states. [2019-12-07 12:07:28,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:07:28,172 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2019-12-07 12:07:28,172 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 12:07:28,172 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2019-12-07 12:07:28,172 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 12:07:28,172 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 12:07:28,172 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-12-07 12:07:28,172 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-12-07 12:07:28,172 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-12-07 12:07:28,172 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 12:07:28,172 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 12:07:28,172 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 12:07:28,173 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 12:07:28,173 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-12-07 12:07:28,173 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-12-07 12:07:28,173 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 12:07:28,173 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-12-07 12:07:28,177 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 07.12 12:07:28 BoogieIcfgContainer [2019-12-07 12:07:28,177 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-12-07 12:07:28,177 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 12:07:28,177 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 12:07:28,178 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 12:07:28,178 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:07:26" (3/4) ... [2019-12-07 12:07:28,180 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 12:07:28,180 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 12:07:28,182 INFO L168 Benchmark]: Toolchain (without parser) took 2974.95 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.5 MB). Free memory was 936.0 MB in the beginning and 843.2 MB in the end (delta: 92.8 MB). Peak memory consumption was 200.3 MB. Max. memory is 11.5 GB. [2019-12-07 12:07:28,182 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 957.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 12:07:28,183 INFO L168 Benchmark]: CACSL2BoogieTranslator took 451.67 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.5 MB). Free memory was 936.0 MB in the beginning and 1.1 GB in the end (delta: -124.8 MB). Peak memory consumption was 29.1 MB. Max. memory is 11.5 GB. [2019-12-07 12:07:28,183 INFO L168 Benchmark]: Boogie Procedure Inliner took 66.32 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 11.5 GB. [2019-12-07 12:07:28,184 INFO L168 Benchmark]: Boogie Preprocessor took 55.07 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. [2019-12-07 12:07:28,184 INFO L168 Benchmark]: RCFGBuilder took 945.64 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 876.1 MB in the end (delta: 169.6 MB). Peak memory consumption was 169.6 MB. Max. memory is 11.5 GB. [2019-12-07 12:07:28,184 INFO L168 Benchmark]: BuchiAutomizer took 1450.28 ms. Allocated memory is still 1.1 GB. Free memory was 876.1 MB in the beginning and 843.2 MB in the end (delta: 32.9 MB). Peak memory consumption was 32.9 MB. Max. memory is 11.5 GB. [2019-12-07 12:07:28,184 INFO L168 Benchmark]: Witness Printer took 3.15 ms. Allocated memory is still 1.1 GB. Free memory is still 843.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 12:07:28,187 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 957.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 451.67 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.5 MB). Free memory was 936.0 MB in the beginning and 1.1 GB in the end (delta: -124.8 MB). Peak memory consumption was 29.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 66.32 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 55.07 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 945.64 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 876.1 MB in the end (delta: 169.6 MB). Peak memory consumption was 169.6 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1450.28 ms. Allocated memory is still 1.1 GB. Free memory was 876.1 MB in the beginning and 843.2 MB in the end (delta: 32.9 MB). Peak memory consumption was 32.9 MB. Max. memory is 11.5 GB. * Witness Printer took 3.15 ms. Allocated memory is still 1.1 GB. Free memory is still 843.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (2 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * op1 + 1 and consists of 5 locations. One deterministic module has affine ranking function -2 * splverifierCounter + 7 and consists of 4 locations. 2 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.4s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 0.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 292 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 163 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 1585 SDtfs, 1432 SDslu, 2061 SDs, 0 SdLazy, 26 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT2 lasso0 LassoPreprocessingBenchmarks: Lassos: inital27 mio100 ax100 hnf100 lsp37 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq170 hnf94 smp100 dnf150 smp100 tf108 neg92 sie116 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 7ms VariablesStem: 0 VariablesLoop: 1 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...