./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/email_spec0_product10.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_4c75c6b9-c529-427a-ae46-61021d0823e6/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_4c75c6b9-c529-427a-ae46-61021d0823e6/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_4c75c6b9-c529-427a-ae46-61021d0823e6/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_4c75c6b9-c529-427a-ae46-61021d0823e6/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/email_spec0_product10.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_4c75c6b9-c529-427a-ae46-61021d0823e6/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_4c75c6b9-c529-427a-ae46-61021d0823e6/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 34ea1153081835871d2d8c4250456d7ca577de25 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 18:47:18,168 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 18:47:18,169 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 18:47:18,177 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 18:47:18,177 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 18:47:18,178 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 18:47:18,179 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 18:47:18,181 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 18:47:18,182 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 18:47:18,183 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 18:47:18,184 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 18:47:18,185 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 18:47:18,185 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 18:47:18,186 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 18:47:18,187 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 18:47:18,188 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 18:47:18,189 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 18:47:18,189 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 18:47:18,191 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 18:47:18,193 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 18:47:18,194 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 18:47:18,195 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 18:47:18,196 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 18:47:18,197 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 18:47:18,199 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 18:47:18,199 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 18:47:18,199 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 18:47:18,200 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 18:47:18,200 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 18:47:18,201 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 18:47:18,201 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 18:47:18,202 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 18:47:18,202 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 18:47:18,202 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 18:47:18,203 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 18:47:18,203 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 18:47:18,204 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 18:47:18,204 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 18:47:18,204 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 18:47:18,205 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 18:47:18,205 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 18:47:18,206 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_4c75c6b9-c529-427a-ae46-61021d0823e6/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-12-07 18:47:18,219 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 18:47:18,220 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 18:47:18,220 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 18:47:18,220 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 18:47:18,221 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 18:47:18,221 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-12-07 18:47:18,221 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-12-07 18:47:18,221 INFO L138 SettingsManager]: * Use old map elimination=false [2019-12-07 18:47:18,221 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-12-07 18:47:18,221 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-12-07 18:47:18,221 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-12-07 18:47:18,222 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 18:47:18,222 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 18:47:18,222 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 18:47:18,222 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 18:47:18,222 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 18:47:18,222 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 18:47:18,223 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-12-07 18:47:18,223 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-12-07 18:47:18,223 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-12-07 18:47:18,223 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 18:47:18,223 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 18:47:18,223 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-12-07 18:47:18,223 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 18:47:18,223 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-12-07 18:47:18,224 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 18:47:18,224 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 18:47:18,224 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-12-07 18:47:18,224 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 18:47:18,224 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 18:47:18,224 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 18:47:18,224 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-12-07 18:47:18,225 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-12-07 18:47:18,225 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_4c75c6b9-c529-427a-ae46-61021d0823e6/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 -> 34ea1153081835871d2d8c4250456d7ca577de25 [2019-12-07 18:47:18,329 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 18:47:18,337 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 18:47:18,339 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 18:47:18,340 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 18:47:18,340 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 18:47:18,341 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_4c75c6b9-c529-427a-ae46-61021d0823e6/bin/uautomizer/../../sv-benchmarks/c/product-lines/email_spec0_product10.cil.c [2019-12-07 18:47:18,377 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4c75c6b9-c529-427a-ae46-61021d0823e6/bin/uautomizer/data/2a9e679b6/0afe68efb58f4a5baa8affe8c0668223/FLAG27eff102a [2019-12-07 18:47:18,761 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 18:47:18,761 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_4c75c6b9-c529-427a-ae46-61021d0823e6/sv-benchmarks/c/product-lines/email_spec0_product10.cil.c [2019-12-07 18:47:18,775 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4c75c6b9-c529-427a-ae46-61021d0823e6/bin/uautomizer/data/2a9e679b6/0afe68efb58f4a5baa8affe8c0668223/FLAG27eff102a [2019-12-07 18:47:18,784 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_4c75c6b9-c529-427a-ae46-61021d0823e6/bin/uautomizer/data/2a9e679b6/0afe68efb58f4a5baa8affe8c0668223 [2019-12-07 18:47:18,786 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 18:47:18,786 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 18:47:18,787 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 18:47:18,787 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 18:47:18,789 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 18:47:18,790 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 06:47:18" (1/1) ... [2019-12-07 18:47:18,792 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b211215 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:47:18, skipping insertion in model container [2019-12-07 18:47:18,792 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 06:47:18" (1/1) ... [2019-12-07 18:47:18,796 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 18:47:18,834 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 18:47:19,140 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 18:47:19,149 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 18:47:19,210 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 18:47:19,249 INFO L208 MainTranslator]: Completed translation [2019-12-07 18:47:19,249 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:47:19 WrapperNode [2019-12-07 18:47:19,250 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 18:47:19,250 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 18:47:19,250 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 18:47:19,250 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 18:47:19,256 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:47:19" (1/1) ... [2019-12-07 18:47:19,275 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:47:19" (1/1) ... [2019-12-07 18:47:19,308 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 18:47:19,308 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 18:47:19,308 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 18:47:19,308 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 18:47:19,315 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:47:19" (1/1) ... [2019-12-07 18:47:19,315 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:47:19" (1/1) ... [2019-12-07 18:47:19,320 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:47:19" (1/1) ... [2019-12-07 18:47:19,320 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:47:19" (1/1) ... [2019-12-07 18:47:19,333 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:47:19" (1/1) ... [2019-12-07 18:47:19,340 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:47:19" (1/1) ... [2019-12-07 18:47:19,343 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:47:19" (1/1) ... [2019-12-07 18:47:19,348 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 18:47:19,348 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 18:47:19,348 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 18:47:19,348 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 18:47:19,349 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:47:19" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4c75c6b9-c529-427a-ae46-61021d0823e6/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 18:47:19,391 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-12-07 18:47:19,391 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 18:47:19,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-07 18:47:19,391 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 18:47:19,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 18:47:19,999 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 18:47:19,999 INFO L287 CfgBuilder]: Removed 155 assume(true) statements. [2019-12-07 18:47:20,000 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:47:20 BoogieIcfgContainer [2019-12-07 18:47:20,000 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 18:47:20,001 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-12-07 18:47:20,001 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-12-07 18:47:20,003 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-12-07 18:47:20,003 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 18:47:20,003 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.12 06:47:18" (1/3) ... [2019-12-07 18:47:20,004 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@79e8cffd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 06:47:20, skipping insertion in model container [2019-12-07 18:47:20,004 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 18:47:20,004 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:47:19" (2/3) ... [2019-12-07 18:47:20,005 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@79e8cffd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 06:47:20, skipping insertion in model container [2019-12-07 18:47:20,005 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 18:47:20,005 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:47:20" (3/3) ... [2019-12-07 18:47:20,006 INFO L371 chiAutomizerObserver]: Analyzing ICFG email_spec0_product10.cil.c [2019-12-07 18:47:20,034 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-12-07 18:47:20,034 INFO L357 BuchiCegarLoop]: Hoare is false [2019-12-07 18:47:20,034 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-12-07 18:47:20,034 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 18:47:20,034 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 18:47:20,034 INFO L361 BuchiCegarLoop]: Difference is false [2019-12-07 18:47:20,034 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 18:47:20,034 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-12-07 18:47:20,046 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 160 states. [2019-12-07 18:47:20,067 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 33 [2019-12-07 18:47:20,068 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 18:47:20,068 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 18:47:20,073 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:47:20,073 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-12-07 18:47:20,073 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-12-07 18:47:20,074 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 160 states. [2019-12-07 18:47:20,080 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 33 [2019-12-07 18:47:20,080 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 18:47:20,080 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 18:47:20,081 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:47:20,081 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-12-07 18:47:20,085 INFO L794 eck$LassoCheckResult]: Stem: 112#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string0.base, #t~string0.offset, 1);call write~init~int(115, #t~string0.base, 1 + #t~string0.offset, 1);call write~init~int(10, #t~string0.base, 2 + #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 3 + #t~string0.offset, 1);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(16);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(30);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(9);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(21);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(30);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(9);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(25);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(30);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(9);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(25);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(10);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(16);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(22);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(21);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(44);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(44);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(9);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(9);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(11);call #t~string83.base, #t~string83.offset := #Ultimate.allocOnStack(10);call #t~string86.base, #t~string86.offset := #Ultimate.allocOnStack(12);call #t~string89.base, #t~string89.offset := #Ultimate.allocOnStack(10);call #t~string92.base, #t~string92.offset := #Ultimate.allocOnStack(18);~__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;~head~0.base, ~head~0.offset := 0, 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~__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; 15#L-1true havoc main_#res;havoc main_#t~nondet69, main_#t~ret70, main_~retValue_acc~10, main_~tmp~12;main_~retValue_acc~10 := main_#t~nondet69;havoc main_#t~nondet69;havoc main_~tmp~12; 129#L93true havoc valid_product_#res;havoc valid_product_~retValue_acc~2;havoc valid_product_~retValue_acc~2;valid_product_~retValue_acc~2 := 1;valid_product_#res := valid_product_~retValue_acc~2; 146#L101true main_#t~ret70 := valid_product_#res;main_~tmp~12 := main_#t~ret70;havoc main_#t~ret70; 89#L818true assume 0 != main_~tmp~12;havoc setup_#t~nondet64, setup_#t~nondet66, setup_#t~nondet68, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.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_tmp3~0.base, setup_~__cil_tmp3~0.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; 63#L2572true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 26#L2578-2true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string63.base, #t~string63.offset;havoc setup_#t~nondet64;~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; 65#L2572-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 5#L2578-5true setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string65.base, #t~string65.offset;havoc setup_#t~nondet66;~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; 45#L2572-4true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 13#L2578-8true setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset := #t~string67.base, #t~string67.offset;havoc setup_#t~nondet68; 52#L805true havoc test_#t~nondet71, test_#t~nondet72, test_#t~nondet73, test_#t~nondet74, test_#t~nondet75, test_#t~nondet76, test_#t~nondet77, test_#t~nondet78, test_#t~nondet79, test_#t~nondet80, test_#t~nondet81, 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~13, test_~tmp___0~1, test_~tmp___1~1, test_~tmp___2~0, 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~13;havoc test_~tmp___0~1;havoc test_~tmp___1~1;havoc test_~tmp___2~0;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; 160#L1425-1true [2019-12-07 18:47:20,085 INFO L796 eck$LassoCheckResult]: Loop: 160#L1425-1true assume !false; 20#L1298true assume test_~splverifierCounter~0 < 4; 111#L1299true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 92#L1305true assume 0 == test_~op1~0;test_~tmp___9~0 := test_#t~nondet71;havoc test_#t~nondet71; 16#L1309true assume 0 != test_~tmp___9~0;test_~op1~0 := 1; 160#L1425-1true [2019-12-07 18:47:20,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:47:20,089 INFO L82 PathProgramCache]: Analyzing trace with hash -580026000, now seen corresponding path program 1 times [2019-12-07 18:47:20,095 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:47:20,095 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [13487512] [2019-12-07 18:47:20,095 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:47:20,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:47:20,278 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 18:47:20,279 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [13487512] [2019-12-07 18:47:20,279 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:47:20,279 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 18:47:20,280 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005272479] [2019-12-07 18:47:20,283 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-12-07 18:47:20,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:47:20,283 INFO L82 PathProgramCache]: Analyzing trace with hash 103192148, now seen corresponding path program 1 times [2019-12-07 18:47:20,283 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:47:20,283 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [734170358] [2019-12-07 18:47:20,284 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:47:20,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:47:20,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:47:20,315 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:47:20,349 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 18:47:20,350 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 18:47:20,350 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 18:47:20,350 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 18:47:20,350 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-12-07 18:47:20,351 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:47:20,351 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 18:47:20,351 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 18:47:20,351 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec0_product10.cil.c_Iteration1_Loop [2019-12-07 18:47:20,351 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 18:47:20,352 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 18:47:20,371 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 18:47:20,380 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 18:47:20,385 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 18:47:20,440 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 18:47:20,441 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4c75c6b9-c529-427a-ae46-61021d0823e6/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 18:47:20,445 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 18:47:20,445 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4c75c6b9-c529-427a-ae46-61021d0823e6/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 18:47:20,453 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-12-07 18:47:20,453 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 18:47:20,459 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-12-07 18:47:20,460 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 18:47:20,460 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 18:47:20,460 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 18:47:20,461 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 18:47:20,461 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 18:47:20,461 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:47:20,461 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 18:47:20,461 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 18:47:20,461 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec0_product10.cil.c_Iteration1_Loop [2019-12-07 18:47:20,461 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 18:47:20,461 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 18:47:20,462 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 18:47:20,467 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 18:47:20,472 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 18:47:20,515 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 18:47:20,518 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4c75c6b9-c529-427a-ae46-61021d0823e6/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 18:47:20,522 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 18:47:20,524 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:47:20,524 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:47:20,524 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:47:20,524 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:47:20,525 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:47:20,527 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:47:20,527 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:47:20,529 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 18:47:20,534 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-12-07 18:47:20,534 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_4c75c6b9-c529-427a-ae46-61021d0823e6/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 18:47:20,538 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 18:47:20,538 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-12-07 18:47:20,539 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 18:47:20,539 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 18:47:20,542 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-12-07 18:47:20,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:47:20,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:47:20,664 INFO L264 TraceCheckSpWp]: Trace formula consists of 498 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 18:47:20,666 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:47:20,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:47:20,688 INFO L264 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 18:47:20,689 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:47:20,703 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 18:47:20,714 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 18:47:20,715 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 160 states. Second operand 4 states. [2019-12-07 18:47:20,809 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 160 states.. Second operand 4 states. Result 700 states and 1129 transitions. Complement of second has 7 states. [2019-12-07 18:47:20,809 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 18:47:20,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-12-07 18:47:20,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 667 transitions. [2019-12-07 18:47:20,812 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 667 transitions. Stem has 12 letters. Loop has 5 letters. [2019-12-07 18:47:20,813 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 18:47:20,813 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 667 transitions. Stem has 17 letters. Loop has 5 letters. [2019-12-07 18:47:20,814 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 18:47:20,814 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 667 transitions. Stem has 12 letters. Loop has 10 letters. [2019-12-07 18:47:20,814 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 18:47:20,815 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 700 states and 1129 transitions. [2019-12-07 18:47:20,825 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 65 [2019-12-07 18:47:20,830 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 700 states to 151 states and 263 transitions. [2019-12-07 18:47:20,830 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 84 [2019-12-07 18:47:20,831 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 85 [2019-12-07 18:47:20,831 INFO L73 IsDeterministic]: Start isDeterministic. Operand 151 states and 263 transitions. [2019-12-07 18:47:20,832 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 18:47:20,832 INFO L688 BuchiCegarLoop]: Abstraction has 151 states and 263 transitions. [2019-12-07 18:47:20,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states and 263 transitions. [2019-12-07 18:47:20,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 86. [2019-12-07 18:47:20,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2019-12-07 18:47:20,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 148 transitions. [2019-12-07 18:47:20,854 INFO L711 BuchiCegarLoop]: Abstraction has 86 states and 148 transitions. [2019-12-07 18:47:20,854 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:47:20,856 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 18:47:20,857 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 18:47:20,858 INFO L87 Difference]: Start difference. First operand 86 states and 148 transitions. Second operand 3 states. [2019-12-07 18:47:20,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:47:20,879 INFO L93 Difference]: Finished difference Result 156 states and 268 transitions. [2019-12-07 18:47:20,879 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 18:47:20,880 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 156 states and 268 transitions. [2019-12-07 18:47:20,881 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 66 [2019-12-07 18:47:20,883 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 156 states to 156 states and 268 transitions. [2019-12-07 18:47:20,883 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 88 [2019-12-07 18:47:20,883 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 88 [2019-12-07 18:47:20,883 INFO L73 IsDeterministic]: Start isDeterministic. Operand 156 states and 268 transitions. [2019-12-07 18:47:20,883 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 18:47:20,883 INFO L688 BuchiCegarLoop]: Abstraction has 156 states and 268 transitions. [2019-12-07 18:47:20,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states and 268 transitions. [2019-12-07 18:47:20,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 85. [2019-12-07 18:47:20,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2019-12-07 18:47:20,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 144 transitions. [2019-12-07 18:47:20,888 INFO L711 BuchiCegarLoop]: Abstraction has 85 states and 144 transitions. [2019-12-07 18:47:20,888 INFO L591 BuchiCegarLoop]: Abstraction has 85 states and 144 transitions. [2019-12-07 18:47:20,888 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-12-07 18:47:20,888 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 85 states and 144 transitions. [2019-12-07 18:47:20,888 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 33 [2019-12-07 18:47:20,888 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 18:47:20,888 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 18:47:20,889 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:47:20,889 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:47:20,889 INFO L794 eck$LassoCheckResult]: Stem: 1235#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string0.base, #t~string0.offset, 1);call write~init~int(115, #t~string0.base, 1 + #t~string0.offset, 1);call write~init~int(10, #t~string0.base, 2 + #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 3 + #t~string0.offset, 1);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(16);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(30);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(9);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(21);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(30);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(9);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(25);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(30);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(9);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(25);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(10);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(16);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(22);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(21);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(44);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(44);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(9);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(9);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(11);call #t~string83.base, #t~string83.offset := #Ultimate.allocOnStack(10);call #t~string86.base, #t~string86.offset := #Ultimate.allocOnStack(12);call #t~string89.base, #t~string89.offset := #Ultimate.allocOnStack(10);call #t~string92.base, #t~string92.offset := #Ultimate.allocOnStack(18);~__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;~head~0.base, ~head~0.offset := 0, 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~__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; 1211#L-1 havoc main_#res;havoc main_#t~nondet69, main_#t~ret70, main_~retValue_acc~10, main_~tmp~12;main_~retValue_acc~10 := main_#t~nondet69;havoc main_#t~nondet69;havoc main_~tmp~12; 1212#L93 havoc valid_product_#res;havoc valid_product_~retValue_acc~2;havoc valid_product_~retValue_acc~2;valid_product_~retValue_acc~2 := 1;valid_product_#res := valid_product_~retValue_acc~2; 1250#L101 main_#t~ret70 := valid_product_#res;main_~tmp~12 := main_#t~ret70;havoc main_#t~ret70; 1264#L818 assume 0 != main_~tmp~12;havoc setup_#t~nondet64, setup_#t~nondet66, setup_#t~nondet68, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.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_tmp3~0.base, setup_~__cil_tmp3~0.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; 1257#L2572 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 1215#L2578-2 setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string63.base, #t~string63.offset;havoc setup_#t~nondet64;~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; 1226#L2572-2 assume !(1 == setClientId_~handle); 1233#L2575-2 assume 2 == setClientId_~handle;~__ste_client_idCounter1~0 := setClientId_~value; 1186#L2578-5 setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string65.base, #t~string65.offset;havoc setup_#t~nondet66;~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; 1187#L2572-4 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 1205#L2578-8 setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset := #t~string67.base, #t~string67.offset;havoc setup_#t~nondet68; 1210#L805 havoc test_#t~nondet71, test_#t~nondet72, test_#t~nondet73, test_#t~nondet74, test_#t~nondet75, test_#t~nondet76, test_#t~nondet77, test_#t~nondet78, test_#t~nondet79, test_#t~nondet80, test_#t~nondet81, 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~13, test_~tmp___0~1, test_~tmp___1~1, test_~tmp___2~0, 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~13;havoc test_~tmp___0~1;havoc test_~tmp___1~1;havoc test_~tmp___2~0;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; 1237#L1425-1 assume !false; 1222#L1298 [2019-12-07 18:47:20,889 INFO L796 eck$LassoCheckResult]: Loop: 1222#L1298 assume test_~splverifierCounter~0 < 4; 1223#L1299 test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 1180#L1305 assume !(0 == test_~op1~0); 1181#L1315 assume !(0 == test_~op2~0); 1218#L1329 assume 0 == test_~op3~0;test_~tmp___7~0 := test_#t~nondet73;havoc test_#t~nondet73; 1206#L1334 assume 0 != test_~tmp___7~0;test_~op3~0 := 1; 1195#L1425-1 assume !false; 1222#L1298 [2019-12-07 18:47:20,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:47:20,890 INFO L82 PathProgramCache]: Analyzing trace with hash -1897365039, now seen corresponding path program 1 times [2019-12-07 18:47:20,890 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:47:20,890 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [150860287] [2019-12-07 18:47:20,890 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:47:20,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:47:20,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:47:20,941 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [150860287] [2019-12-07 18:47:20,941 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:47:20,941 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 18:47:20,942 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575418885] [2019-12-07 18:47:20,942 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-12-07 18:47:20,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:47:20,942 INFO L82 PathProgramCache]: Analyzing trace with hash -235666265, now seen corresponding path program 1 times [2019-12-07 18:47:20,942 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:47:20,942 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639514481] [2019-12-07 18:47:20,942 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:47:20,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:47:20,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:47:20,956 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:47:20,978 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 18:47:20,978 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 18:47:20,978 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 18:47:20,978 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 18:47:20,978 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-12-07 18:47:20,978 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:47:20,978 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 18:47:20,978 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 18:47:20,978 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec0_product10.cil.c_Iteration2_Loop [2019-12-07 18:47:20,978 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 18:47:20,978 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 18:47:20,979 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 18:47:20,981 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 18:47:20,985 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 18:47:20,987 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 18:47:20,991 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 18:47:21,048 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 18:47:21,048 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4c75c6b9-c529-427a-ae46-61021d0823e6/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 18:47:21,051 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 18:47:21,052 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 18:47:21,057 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 18:47:21,057 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_4c75c6b9-c529-427a-ae46-61021d0823e6/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 18:47:21,061 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 18:47:21,062 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4c75c6b9-c529-427a-ae46-61021d0823e6/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 18:47:21,069 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-12-07 18:47:21,070 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 18:47:21,077 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-12-07 18:47:21,079 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 18:47:21,079 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 18:47:21,080 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 18:47:21,080 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 18:47:21,080 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 18:47:21,080 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:47:21,080 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 18:47:21,080 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 18:47:21,080 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec0_product10.cil.c_Iteration2_Loop [2019-12-07 18:47:21,080 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 18:47:21,080 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 18:47:21,081 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 18:47:21,087 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 18:47:21,090 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 18:47:21,096 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 18:47:21,099 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 18:47:21,167 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 18:47:21,167 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4c75c6b9-c529-427a-ae46-61021d0823e6/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 18:47:21,170 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 18:47:21,171 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:47:21,172 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:47:21,172 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:47:21,172 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-12-07 18:47:21,172 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:47:21,173 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 18:47:21,173 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:47:21,176 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4c75c6b9-c529-427a-ae46-61021d0823e6/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 18:47:21,180 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 18:47:21,181 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:47:21,181 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:47:21,181 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:47:21,181 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-12-07 18:47:21,181 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:47:21,182 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 18:47:21,182 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:47:21,184 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4c75c6b9-c529-427a-ae46-61021d0823e6/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 18:47:21,189 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 18:47:21,190 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:47:21,190 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:47:21,190 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:47:21,190 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:47:21,190 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:47:21,191 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:47:21,191 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:47:21,193 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 18:47:21,196 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-12-07 18:47:21,196 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_4c75c6b9-c529-427a-ae46-61021d0823e6/bin/uautomizer/z3 Starting monitored process 12 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 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:47:21,198 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 18:47:21,198 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-12-07 18:47:21,198 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 18:47:21,198 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 18:47:21,200 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-12-07 18:47:21,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:47:21,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:47:21,271 INFO L264 TraceCheckSpWp]: Trace formula consists of 500 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 18:47:21,272 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:47:21,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:47:21,288 INFO L264 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 18:47:21,289 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:47:21,306 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 18:47:21,307 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 18:47:21,307 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 85 states and 144 transitions. cyclomatic complexity: 61 Second operand 4 states. [2019-12-07 18:47:21,317 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 85 states and 144 transitions. cyclomatic complexity: 61. Second operand 4 states. Result 155 states and 268 transitions. Complement of second has 6 states. [2019-12-07 18:47:21,317 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 18:47:21,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-12-07 18:47:21,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 84 transitions. [2019-12-07 18:47:21,318 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 84 transitions. Stem has 14 letters. Loop has 7 letters. [2019-12-07 18:47:21,318 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 18:47:21,318 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 84 transitions. Stem has 21 letters. Loop has 7 letters. [2019-12-07 18:47:21,319 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 18:47:21,319 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 84 transitions. Stem has 14 letters. Loop has 14 letters. [2019-12-07 18:47:21,319 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 18:47:21,319 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 155 states and 268 transitions. [2019-12-07 18:47:21,321 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 18:47:21,321 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 155 states to 0 states and 0 transitions. [2019-12-07 18:47:21,321 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-12-07 18:47:21,321 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-12-07 18:47:21,321 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-12-07 18:47:21,321 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 18:47:21,321 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 18:47:21,321 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 18:47:21,321 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:47:21,321 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 18:47:21,322 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 18:47:21,322 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 3 states. [2019-12-07 18:47:21,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:47:21,322 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2019-12-07 18:47:21,322 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 18:47:21,322 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2019-12-07 18:47:21,322 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 18:47:21,322 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 18:47:21,322 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-12-07 18:47:21,322 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-12-07 18:47:21,322 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-12-07 18:47:21,322 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 18:47:21,322 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 18:47:21,322 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 18:47:21,323 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 18:47:21,323 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-12-07 18:47:21,323 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-12-07 18:47:21,323 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 18:47:21,323 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-12-07 18:47:21,327 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 07.12 06:47:21 BoogieIcfgContainer [2019-12-07 18:47:21,327 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-12-07 18:47:21,328 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 18:47:21,328 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 18:47:21,328 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 18:47:21,328 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:47:20" (3/4) ... [2019-12-07 18:47:21,331 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 18:47:21,331 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 18:47:21,332 INFO L168 Benchmark]: Toolchain (without parser) took 2545.28 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.8 MB). Free memory was 936.0 MB in the beginning and 926.8 MB in the end (delta: 9.3 MB). Peak memory consumption was 123.0 MB. Max. memory is 11.5 GB. [2019-12-07 18:47:21,333 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 18:47:21,333 INFO L168 Benchmark]: CACSL2BoogieTranslator took 462.75 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.8 MB). Free memory was 936.0 MB in the beginning and 1.1 GB in the end (delta: -131.7 MB). Peak memory consumption was 29.6 MB. Max. memory is 11.5 GB. [2019-12-07 18:47:21,334 INFO L168 Benchmark]: Boogie Procedure Inliner took 57.92 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 18:47:21,334 INFO L168 Benchmark]: Boogie Preprocessor took 39.58 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 18:47:21,335 INFO L168 Benchmark]: RCFGBuilder took 652.39 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 946.3 MB in the end (delta: 110.8 MB). Peak memory consumption was 110.8 MB. Max. memory is 11.5 GB. [2019-12-07 18:47:21,336 INFO L168 Benchmark]: BuchiAutomizer took 1326.81 ms. Allocated memory is still 1.1 GB. Free memory was 946.3 MB in the beginning and 926.8 MB in the end (delta: 19.5 MB). Peak memory consumption was 19.5 MB. Max. memory is 11.5 GB. [2019-12-07 18:47:21,336 INFO L168 Benchmark]: Witness Printer took 3.02 ms. Allocated memory is still 1.1 GB. Free memory is still 926.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 18:47:21,339 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 462.75 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.8 MB). Free memory was 936.0 MB in the beginning and 1.1 GB in the end (delta: -131.7 MB). Peak memory consumption was 29.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 57.92 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 39.58 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 652.39 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 946.3 MB in the end (delta: 110.8 MB). Peak memory consumption was 110.8 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1326.81 ms. Allocated memory is still 1.1 GB. Free memory was 946.3 MB in the beginning and 926.8 MB in the end (delta: 19.5 MB). Peak memory consumption was 19.5 MB. Max. memory is 11.5 GB. * Witness Printer took 3.02 ms. Allocated memory is still 1.1 GB. Free memory is still 926.8 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 1.2s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 0.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 136 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 85 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 706 SDtfs, 628 SDslu, 855 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: 8ms VariablesStem: 0 VariablesLoop: 2 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...