./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/email_spec1_product16.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_e312beb9-497d-412e-974c-e77c4f5ca2b8/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_e312beb9-497d-412e-974c-e77c4f5ca2b8/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e312beb9-497d-412e-974c-e77c4f5ca2b8/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e312beb9-497d-412e-974c-e77c4f5ca2b8/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/email_spec1_product16.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_e312beb9-497d-412e-974c-e77c4f5ca2b8/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e312beb9-497d-412e-974c-e77c4f5ca2b8/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 44dc1c654de7dc93bd5a488f8ad606c2a4c2cc58 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 11:19:54,602 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 11:19:54,604 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 11:19:54,612 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 11:19:54,613 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 11:19:54,613 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 11:19:54,615 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 11:19:54,617 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 11:19:54,618 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 11:19:54,619 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 11:19:54,620 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 11:19:54,620 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 11:19:54,621 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 11:19:54,621 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 11:19:54,622 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 11:19:54,623 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 11:19:54,623 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 11:19:54,624 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 11:19:54,625 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 11:19:54,626 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 11:19:54,628 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 11:19:54,629 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 11:19:54,630 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 11:19:54,630 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 11:19:54,632 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 11:19:54,632 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 11:19:54,632 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 11:19:54,633 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 11:19:54,633 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 11:19:54,634 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 11:19:54,634 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 11:19:54,635 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 11:19:54,635 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 11:19:54,636 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 11:19:54,637 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 11:19:54,637 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 11:19:54,637 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 11:19:54,637 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 11:19:54,638 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 11:19:54,638 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 11:19:54,639 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 11:19:54,639 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e312beb9-497d-412e-974c-e77c4f5ca2b8/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-12-07 11:19:54,654 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 11:19:54,654 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 11:19:54,655 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 11:19:54,655 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 11:19:54,655 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 11:19:54,655 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-12-07 11:19:54,656 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-12-07 11:19:54,656 INFO L138 SettingsManager]: * Use old map elimination=false [2019-12-07 11:19:54,656 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-12-07 11:19:54,656 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-12-07 11:19:54,656 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-12-07 11:19:54,656 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 11:19:54,657 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 11:19:54,657 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 11:19:54,657 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 11:19:54,657 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 11:19:54,657 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 11:19:54,658 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-12-07 11:19:54,658 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-12-07 11:19:54,658 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-12-07 11:19:54,658 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 11:19:54,658 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 11:19:54,658 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-12-07 11:19:54,659 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 11:19:54,659 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-12-07 11:19:54,659 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 11:19:54,659 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 11:19:54,659 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-12-07 11:19:54,660 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 11:19:54,660 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 11:19:54,660 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 11:19:54,660 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-12-07 11:19:54,661 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-12-07 11:19:54,661 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_e312beb9-497d-412e-974c-e77c4f5ca2b8/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 -> 44dc1c654de7dc93bd5a488f8ad606c2a4c2cc58 [2019-12-07 11:19:54,769 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 11:19:54,777 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 11:19:54,779 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 11:19:54,780 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 11:19:54,780 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 11:19:54,781 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e312beb9-497d-412e-974c-e77c4f5ca2b8/bin/uautomizer/../../sv-benchmarks/c/product-lines/email_spec1_product16.cil.c [2019-12-07 11:19:54,820 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e312beb9-497d-412e-974c-e77c4f5ca2b8/bin/uautomizer/data/d570846a0/aecfaa2a398a4016a80d17b206445d81/FLAG74ad2e158 [2019-12-07 11:19:55,216 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 11:19:55,217 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e312beb9-497d-412e-974c-e77c4f5ca2b8/sv-benchmarks/c/product-lines/email_spec1_product16.cil.c [2019-12-07 11:19:55,230 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e312beb9-497d-412e-974c-e77c4f5ca2b8/bin/uautomizer/data/d570846a0/aecfaa2a398a4016a80d17b206445d81/FLAG74ad2e158 [2019-12-07 11:19:55,239 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e312beb9-497d-412e-974c-e77c4f5ca2b8/bin/uautomizer/data/d570846a0/aecfaa2a398a4016a80d17b206445d81 [2019-12-07 11:19:55,240 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 11:19:55,241 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 11:19:55,242 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 11:19:55,242 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 11:19:55,244 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 11:19:55,245 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 11:19:55" (1/1) ... [2019-12-07 11:19:55,246 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34138292 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:19:55, skipping insertion in model container [2019-12-07 11:19:55,246 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 11:19:55" (1/1) ... [2019-12-07 11:19:55,251 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 11:19:55,291 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 11:19:55,676 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 11:19:55,688 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 11:19:55,774 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 11:19:55,832 INFO L208 MainTranslator]: Completed translation [2019-12-07 11:19:55,832 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:19:55 WrapperNode [2019-12-07 11:19:55,832 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 11:19:55,833 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 11:19:55,833 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 11:19:55,833 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 11:19:55,838 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:19:55" (1/1) ... [2019-12-07 11:19:55,859 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:19:55" (1/1) ... [2019-12-07 11:19:55,904 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 11:19:55,904 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 11:19:55,904 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 11:19:55,905 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 11:19:55,911 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:19:55" (1/1) ... [2019-12-07 11:19:55,911 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:19:55" (1/1) ... [2019-12-07 11:19:55,917 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:19:55" (1/1) ... [2019-12-07 11:19:55,917 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:19:55" (1/1) ... [2019-12-07 11:19:55,937 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:19:55" (1/1) ... [2019-12-07 11:19:55,949 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:19:55" (1/1) ... [2019-12-07 11:19:55,954 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:19:55" (1/1) ... [2019-12-07 11:19:55,962 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 11:19:55,962 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 11:19:55,962 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 11:19:55,962 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 11:19:55,963 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:19:55" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e312beb9-497d-412e-974c-e77c4f5ca2b8/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 11:19:56,012 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-12-07 11:19:56,012 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 11:19:56,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-07 11:19:56,012 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 11:19:56,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 11:19:57,000 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 11:19:57,000 INFO L287 CfgBuilder]: Removed 291 assume(true) statements. [2019-12-07 11:19:57,001 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 11:19:57 BoogieIcfgContainer [2019-12-07 11:19:57,001 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 11:19:57,001 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-12-07 11:19:57,002 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-12-07 11:19:57,004 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-12-07 11:19:57,004 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 11:19:57,004 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.12 11:19:55" (1/3) ... [2019-12-07 11:19:57,005 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@849b8b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 11:19:57, skipping insertion in model container [2019-12-07 11:19:57,005 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 11:19:57,005 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:19:55" (2/3) ... [2019-12-07 11:19:57,005 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@849b8b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 11:19:57, skipping insertion in model container [2019-12-07 11:19:57,005 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 11:19:57,005 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 11:19:57" (3/3) ... [2019-12-07 11:19:57,006 INFO L371 chiAutomizerObserver]: Analyzing ICFG email_spec1_product16.cil.c [2019-12-07 11:19:57,035 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-12-07 11:19:57,035 INFO L357 BuchiCegarLoop]: Hoare is false [2019-12-07 11:19:57,035 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-12-07 11:19:57,035 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 11:19:57,035 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 11:19:57,035 INFO L361 BuchiCegarLoop]: Difference is false [2019-12-07 11:19:57,036 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 11:19:57,036 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-12-07 11:19:57,052 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 447 states. [2019-12-07 11:19:57,082 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 212 [2019-12-07 11:19:57,082 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 11:19:57,082 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 11:19:57,089 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 11:19:57,089 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-12-07 11:19:57,089 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-12-07 11:19:57,089 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 447 states. [2019-12-07 11:19:57,096 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 212 [2019-12-07 11:19:57,096 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 11:19:57,097 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 11:19:57,098 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 11:19:57,098 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-12-07 11:19:57,102 INFO L794 eck$LassoCheckResult]: Stem: 322#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~string23.base, #t~string23.offset := #Ultimate.allocOnStack(30);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(9);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(21);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(30);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(9);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(21);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(30);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(9);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(25);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(30);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(9);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(25);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(13);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(44);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(44);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(9);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(9);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(11);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(19);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string73.base, #t~string73.offset, 1);call write~init~int(100, #t~string73.base, 1 + #t~string73.offset, 1);call write~init~int(10, #t~string73.base, 2 + #t~string73.offset, 1);call write~init~int(0, #t~string73.base, 3 + #t~string73.offset, 1);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string76.base, #t~string76.offset, 1);call write~init~int(100, #t~string76.base, 1 + #t~string76.offset, 1);call write~init~int(10, #t~string76.base, 2 + #t~string76.offset, 1);call write~init~int(0, #t~string76.base, 3 + #t~string76.offset, 1);call #t~string84.base, #t~string84.offset := #Ultimate.allocOnStack(10);call #t~string87.base, #t~string87.offset := #Ultimate.allocOnStack(12);call #t~string90.base, #t~string90.offset := #Ultimate.allocOnStack(10);call #t~string93.base, #t~string93.offset := #Ultimate.allocOnStack(18);call #t~string96.base, #t~string96.offset := #Ultimate.allocOnStack(16);call #t~string99.base, #t~string99.offset := #Ultimate.allocOnStack(21);call #t~string103.base, #t~string103.offset := #Ultimate.allocOnStack(10);call #t~string109.base, #t~string109.offset := #Ultimate.allocOnStack(16);call #t~string118.base, #t~string118.offset := #Ultimate.allocOnStack(20);call #t~string120.base, #t~string120.offset := #Ultimate.allocOnStack(21);~__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;~__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;~__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;~head~0.base, ~head~0.offset := 0, 0;~mail_is_sensitive~0 := -1;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0; 241#L-1true havoc main_#res;havoc main_#t~ret68, main_~retValue_acc~34, main_~tmp~8;havoc main_~retValue_acc~34;havoc main_~tmp~8; 256#L505true havoc valid_product_#res;havoc valid_product_~retValue_acc~13;havoc valid_product_~retValue_acc~13;valid_product_~retValue_acc~13 := 1;valid_product_#res := valid_product_~retValue_acc~13; 405#L513true main_#t~ret68 := valid_product_#res;main_~tmp~8 := main_#t~ret68;havoc main_#t~ret68; 390#L2374true assume 0 != main_~tmp~8;havoc setup_#t~nondet63, setup_#t~nondet65, setup_#t~nondet67, 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;setup_bob__wrappee__Base_#in~bob___0 := setup_bob_~bob___0;havoc setup_bob__wrappee__Base_~bob___0;setup_bob__wrappee__Base_~bob___0 := setup_bob__wrappee__Base_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob__wrappee__Base_~bob___0, setup_bob__wrappee__Base_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 400#L1581true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 103#L1587-2true setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := setup_bob_~bob___0, 123;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 133#L1146true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 358#L1152-2true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string62.base, #t~string62.offset;havoc setup_#t~nondet63;~rjh~0 := 2;setup_rjh_#in~rjh___0 := ~rjh~0;havoc setup_rjh_~rjh___0;setup_rjh_~rjh___0 := setup_rjh_#in~rjh___0;setup_rjh__wrappee__Base_#in~rjh___0 := setup_rjh_~rjh___0;havoc setup_rjh__wrappee__Base_~rjh___0;setup_rjh__wrappee__Base_~rjh___0 := setup_rjh__wrappee__Base_#in~rjh___0;setClientId_#in~handle, setClientId_#in~value := setup_rjh__wrappee__Base_~rjh___0, setup_rjh__wrappee__Base_~rjh___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 407#L1581-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 84#L1587-5true setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := setup_rjh_~rjh___0, 456;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 122#L1146-2true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 363#L1152-5true setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string64.base, #t~string64.offset;havoc setup_#t~nondet65;~chuck~0 := 3;setup_chuck_#in~chuck___0 := ~chuck~0;havoc setup_chuck_~chuck___0;setup_chuck_~chuck___0 := setup_chuck_#in~chuck___0;setup_chuck__wrappee__Base_#in~chuck___0 := setup_chuck_~chuck___0;havoc setup_chuck__wrappee__Base_~chuck___0;setup_chuck__wrappee__Base_~chuck___0 := setup_chuck__wrappee__Base_#in~chuck___0;setClientId_#in~handle, setClientId_#in~value := setup_chuck__wrappee__Base_~chuck___0, setup_chuck__wrappee__Base_~chuck___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 381#L1581-4true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 91#L1587-8true setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := setup_chuck_~chuck___0, 789;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 125#L1146-4true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 346#L1152-8true setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset := #t~string66.base, #t~string66.offset;havoc setup_#t~nondet67; 72#L2361true havoc test_#t~nondet40, test_#t~nondet41, test_#t~nondet42, test_#t~nondet43, test_#t~nondet44, test_#t~nondet45, test_#t~nondet46, test_#t~nondet47, test_#t~nondet48, test_#t~nondet49, test_#t~nondet50, 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~5, test_~tmp___0~0, test_~tmp___1~0, 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~5;havoc test_~tmp___0~0;havoc test_~tmp___1~0;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; 289#L2167-1true [2019-12-07 11:19:57,103 INFO L796 eck$LassoCheckResult]: Loop: 289#L2167-1true assume !false; 362#L2022true assume test_~splverifierCounter~0 < 4; 442#L2023true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 151#L2029true assume !(0 == test_~op1~0); 68#L2042true assume 0 == test_~op2~0;test_~tmp___8~0 := test_#t~nondet41;havoc test_#t~nondet41; 239#L2047true assume 0 != test_~tmp___8~0;test_~op2~0 := 1; 289#L2167-1true [2019-12-07 11:19:57,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:19:57,107 INFO L82 PathProgramCache]: Analyzing trace with hash 1291925977, now seen corresponding path program 1 times [2019-12-07 11:19:57,113 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:19:57,113 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1752619158] [2019-12-07 11:19:57,114 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:19:57,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:19:57,300 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 11:19:57,300 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1752619158] [2019-12-07 11:19:57,301 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:19:57,301 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 11:19:57,301 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852810471] [2019-12-07 11:19:57,304 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-12-07 11:19:57,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:19:57,305 INFO L82 PathProgramCache]: Analyzing trace with hash 590492675, now seen corresponding path program 1 times [2019-12-07 11:19:57,305 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:19:57,305 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1912843615] [2019-12-07 11:19:57,305 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:19:57,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:19:57,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:19:57,336 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 11:19:57,367 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 11:19:57,367 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 11:19:57,368 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 11:19:57,368 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 11:19:57,368 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-12-07 11:19:57,368 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:19:57,368 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 11:19:57,368 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 11:19:57,368 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec1_product16.cil.c_Iteration1_Loop [2019-12-07 11:19:57,368 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 11:19:57,368 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 11:19:57,383 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 11:19:57,390 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 11:19:57,395 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 11:19:57,399 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 11:19:57,455 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 11:19:57,455 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e312beb9-497d-412e-974c-e77c4f5ca2b8/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 11:19:57,459 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 11:19:57,459 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e312beb9-497d-412e-974c-e77c4f5ca2b8/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 11:19:57,468 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-12-07 11:19:57,468 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 11:19:57,474 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-12-07 11:19:57,475 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 11:19:57,476 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 11:19:57,476 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 11:19:57,476 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 11:19:57,476 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 11:19:57,476 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:19:57,476 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 11:19:57,476 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 11:19:57,477 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec1_product16.cil.c_Iteration1_Loop [2019-12-07 11:19:57,477 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 11:19:57,477 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 11:19:57,478 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 11:19:57,483 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 11:19:57,488 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 11:19:57,493 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 11:19:57,539 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 11:19:57,542 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e312beb9-497d-412e-974c-e77c4f5ca2b8/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 11:19:57,546 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 11:19:57,547 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:19:57,548 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:19:57,548 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:19:57,548 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:19:57,548 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:19:57,550 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 11:19:57,550 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:19:57,552 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 11:19:57,556 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-12-07 11:19:57,556 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_e312beb9-497d-412e-974c-e77c4f5ca2b8/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 11:19:57,563 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 11:19:57,563 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-12-07 11:19:57,564 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 11:19:57,564 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~op2~0) = -2*ULTIMATE.start_test_~op2~0 + 1 Supporting invariants [] [2019-12-07 11:19:57,568 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-12-07 11:19:57,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:19:57,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:19:57,718 INFO L264 TraceCheckSpWp]: Trace formula consists of 593 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 11:19:57,721 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 11:19:57,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:19:57,742 INFO L264 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 11:19:57,743 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 11:19:57,756 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 11:19:57,770 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 11:19:57,771 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 447 states. Second operand 4 states. [2019-12-07 11:19:57,921 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 447 states.. Second operand 4 states. Result 1908 states and 3302 transitions. Complement of second has 7 states. [2019-12-07 11:19:57,922 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 11:19:57,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-12-07 11:19:57,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1848 transitions. [2019-12-07 11:19:57,926 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1848 transitions. Stem has 18 letters. Loop has 6 letters. [2019-12-07 11:19:57,927 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 11:19:57,927 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1848 transitions. Stem has 24 letters. Loop has 6 letters. [2019-12-07 11:19:57,927 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 11:19:57,927 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1848 transitions. Stem has 18 letters. Loop has 12 letters. [2019-12-07 11:19:57,928 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 11:19:57,928 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1908 states and 3302 transitions. [2019-12-07 11:19:57,943 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 423 [2019-12-07 11:19:57,954 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1908 states to 879 states and 1596 transitions. [2019-12-07 11:19:57,955 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 454 [2019-12-07 11:19:57,956 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 455 [2019-12-07 11:19:57,957 INFO L73 IsDeterministic]: Start isDeterministic. Operand 879 states and 1596 transitions. [2019-12-07 11:19:57,957 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 11:19:57,957 INFO L688 BuchiCegarLoop]: Abstraction has 879 states and 1596 transitions. [2019-12-07 11:19:57,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 879 states and 1596 transitions. [2019-12-07 11:19:57,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 879 to 456. [2019-12-07 11:19:57,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 456 states. [2019-12-07 11:19:57,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 456 states and 825 transitions. [2019-12-07 11:19:57,996 INFO L711 BuchiCegarLoop]: Abstraction has 456 states and 825 transitions. [2019-12-07 11:19:57,996 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 11:19:57,998 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 11:19:57,999 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 11:19:58,000 INFO L87 Difference]: Start difference. First operand 456 states and 825 transitions. Second operand 3 states. [2019-12-07 11:19:58,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:19:58,034 INFO L93 Difference]: Finished difference Result 892 states and 1615 transitions. [2019-12-07 11:19:58,034 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 11:19:58,034 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 892 states and 1615 transitions. [2019-12-07 11:19:58,039 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 424 [2019-12-07 11:19:58,045 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 892 states to 892 states and 1615 transitions. [2019-12-07 11:19:58,046 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 466 [2019-12-07 11:19:58,046 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 466 [2019-12-07 11:19:58,046 INFO L73 IsDeterministic]: Start isDeterministic. Operand 892 states and 1615 transitions. [2019-12-07 11:19:58,046 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 11:19:58,047 INFO L688 BuchiCegarLoop]: Abstraction has 892 states and 1615 transitions. [2019-12-07 11:19:58,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 892 states and 1615 transitions. [2019-12-07 11:19:58,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 892 to 455. [2019-12-07 11:19:58,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 455 states. [2019-12-07 11:19:58,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 455 states and 821 transitions. [2019-12-07 11:19:58,056 INFO L711 BuchiCegarLoop]: Abstraction has 455 states and 821 transitions. [2019-12-07 11:19:58,056 INFO L591 BuchiCegarLoop]: Abstraction has 455 states and 821 transitions. [2019-12-07 11:19:58,056 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-12-07 11:19:58,057 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 455 states and 821 transitions. [2019-12-07 11:19:58,058 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 212 [2019-12-07 11:19:58,058 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 11:19:58,058 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 11:19:58,059 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 11:19:58,059 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 11:19:58,060 INFO L794 eck$LassoCheckResult]: Stem: 4097#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~string23.base, #t~string23.offset := #Ultimate.allocOnStack(30);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(9);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(21);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(30);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(9);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(21);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(30);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(9);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(25);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(30);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(9);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(25);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(13);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(44);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(44);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(9);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(9);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(11);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(19);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string73.base, #t~string73.offset, 1);call write~init~int(100, #t~string73.base, 1 + #t~string73.offset, 1);call write~init~int(10, #t~string73.base, 2 + #t~string73.offset, 1);call write~init~int(0, #t~string73.base, 3 + #t~string73.offset, 1);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string76.base, #t~string76.offset, 1);call write~init~int(100, #t~string76.base, 1 + #t~string76.offset, 1);call write~init~int(10, #t~string76.base, 2 + #t~string76.offset, 1);call write~init~int(0, #t~string76.base, 3 + #t~string76.offset, 1);call #t~string84.base, #t~string84.offset := #Ultimate.allocOnStack(10);call #t~string87.base, #t~string87.offset := #Ultimate.allocOnStack(12);call #t~string90.base, #t~string90.offset := #Ultimate.allocOnStack(10);call #t~string93.base, #t~string93.offset := #Ultimate.allocOnStack(18);call #t~string96.base, #t~string96.offset := #Ultimate.allocOnStack(16);call #t~string99.base, #t~string99.offset := #Ultimate.allocOnStack(21);call #t~string103.base, #t~string103.offset := #Ultimate.allocOnStack(10);call #t~string109.base, #t~string109.offset := #Ultimate.allocOnStack(16);call #t~string118.base, #t~string118.offset := #Ultimate.allocOnStack(20);call #t~string120.base, #t~string120.offset := #Ultimate.allocOnStack(21);~__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;~__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;~__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;~head~0.base, ~head~0.offset := 0, 0;~mail_is_sensitive~0 := -1;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0; 3843#L-1 havoc main_#res;havoc main_#t~ret68, main_~retValue_acc~34, main_~tmp~8;havoc main_~retValue_acc~34;havoc main_~tmp~8; 3844#L505 havoc valid_product_#res;havoc valid_product_~retValue_acc~13;havoc valid_product_~retValue_acc~13;valid_product_~retValue_acc~13 := 1;valid_product_#res := valid_product_~retValue_acc~13; 3904#L513 main_#t~ret68 := valid_product_#res;main_~tmp~8 := main_#t~ret68;havoc main_#t~ret68; 4161#L2374 assume 0 != main_~tmp~8;havoc setup_#t~nondet63, setup_#t~nondet65, setup_#t~nondet67, 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;setup_bob__wrappee__Base_#in~bob___0 := setup_bob_~bob___0;havoc setup_bob__wrappee__Base_~bob___0;setup_bob__wrappee__Base_~bob___0 := setup_bob__wrappee__Base_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob__wrappee__Base_~bob___0, setup_bob__wrappee__Base_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 4162#L1581 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 4005#L1587-2 setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := setup_bob_~bob___0, 123;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 4147#L1146 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 3979#L1152-2 setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string62.base, #t~string62.offset;havoc setup_#t~nondet63;~rjh~0 := 2;setup_rjh_#in~rjh___0 := ~rjh~0;havoc setup_rjh_~rjh___0;setup_rjh_~rjh___0 := setup_rjh_#in~rjh___0;setup_rjh__wrappee__Base_#in~rjh___0 := setup_rjh_~rjh___0;havoc setup_rjh__wrappee__Base_~rjh___0;setup_rjh__wrappee__Base_~rjh___0 := setup_rjh__wrappee__Base_#in~rjh___0;setClientId_#in~handle, setClientId_#in~value := setup_rjh__wrappee__Base_~rjh___0, setup_rjh__wrappee__Base_~rjh___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 4146#L1581-2 assume !(1 == setClientId_~handle); 3915#L1584-2 assume 2 == setClientId_~handle;~__ste_client_idCounter1~0 := setClientId_~value; 3916#L1587-5 setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := setup_rjh_~rjh___0, 456;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 4122#L1146-2 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 3994#L1152-5 setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string64.base, #t~string64.offset;havoc setup_#t~nondet65;~chuck~0 := 3;setup_chuck_#in~chuck___0 := ~chuck~0;havoc setup_chuck_~chuck___0;setup_chuck_~chuck___0 := setup_chuck_#in~chuck___0;setup_chuck__wrappee__Base_#in~chuck___0 := setup_chuck_~chuck___0;havoc setup_chuck__wrappee__Base_~chuck___0;setup_chuck__wrappee__Base_~chuck___0 := setup_chuck__wrappee__Base_#in~chuck___0;setClientId_#in~handle, setClientId_#in~value := setup_chuck__wrappee__Base_~chuck___0, setup_chuck__wrappee__Base_~chuck___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 4150#L1581-4 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 3947#L1587-8 setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := setup_chuck_~chuck___0, 789;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 4123#L1146-4 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 3902#L1152-8 setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset := #t~string66.base, #t~string66.offset;havoc setup_#t~nondet67; 4114#L2361 havoc test_#t~nondet40, test_#t~nondet41, test_#t~nondet42, test_#t~nondet43, test_#t~nondet44, test_#t~nondet45, test_#t~nondet46, test_#t~nondet47, test_#t~nondet48, test_#t~nondet49, test_#t~nondet50, 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~5, test_~tmp___0~0, test_~tmp___1~0, 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~5;havoc test_~tmp___0~0;havoc test_~tmp___1~0;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; 4115#L2167-1 assume !false; 4027#L2022 [2019-12-07 11:19:58,060 INFO L796 eck$LassoCheckResult]: Loop: 4027#L2022 assume test_~splverifierCounter~0 < 4; 4148#L2023 test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 4207#L2029 assume !(0 == test_~op1~0); 4110#L2042 assume !(0 == test_~op2~0); 3837#L2053 assume 0 == test_~op3~0;test_~tmp___7~0 := test_#t~nondet42;havoc test_#t~nondet42; 3826#L2058 assume 0 != test_~tmp___7~0;setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := ~rjh~0, 0;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 3828#L1146-6 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 3924#L1152-11 test_~op3~0 := 1; 3933#L2167-1 assume !false; 4027#L2022 [2019-12-07 11:19:58,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:19:58,060 INFO L82 PathProgramCache]: Analyzing trace with hash -953559564, now seen corresponding path program 1 times [2019-12-07 11:19:58,060 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:19:58,060 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [340716138] [2019-12-07 11:19:58,060 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:19:58,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:19:58,121 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 11:19:58,122 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [340716138] [2019-12-07 11:19:58,122 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:19:58,122 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-07 11:19:58,122 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125710387] [2019-12-07 11:19:58,122 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-12-07 11:19:58,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:19:58,123 INFO L82 PathProgramCache]: Analyzing trace with hash -1296812605, now seen corresponding path program 1 times [2019-12-07 11:19:58,123 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:19:58,123 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2085378132] [2019-12-07 11:19:58,123 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:19:58,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:19:58,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:19:58,136 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 11:19:58,180 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 11:19:58,180 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 11:19:58,180 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 11:19:58,180 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 11:19:58,180 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-12-07 11:19:58,181 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:19:58,181 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 11:19:58,181 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 11:19:58,181 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec1_product16.cil.c_Iteration2_Loop [2019-12-07 11:19:58,181 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 11:19:58,181 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 11:19:58,182 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 11:19:58,186 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 11:19:58,188 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 11:19:58,192 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 11:19:58,197 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 11:19:58,203 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 11:19:58,205 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 11:19:58,298 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 11:19:58,298 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e312beb9-497d-412e-974c-e77c4f5ca2b8/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 11:19:58,301 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 11:19:58,302 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e312beb9-497d-412e-974c-e77c4f5ca2b8/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 11:19:58,310 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-12-07 11:19:58,310 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 11:19:58,317 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-12-07 11:19:58,319 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 11:19:58,319 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 11:19:58,319 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 11:19:58,319 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 11:19:58,319 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 11:19:58,320 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:19:58,320 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 11:19:58,320 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 11:19:58,320 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec1_product16.cil.c_Iteration2_Loop [2019-12-07 11:19:58,320 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 11:19:58,320 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 11:19:58,321 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 11:19:58,325 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 11:19:58,327 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 11:19:58,332 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 11:19:58,338 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 11:19:58,342 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 11:19:58,344 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 11:19:58,456 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 11:19:58,457 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e312beb9-497d-412e-974c-e77c4f5ca2b8/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 11:19:58,460 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 11:19:58,461 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:19:58,461 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:19:58,461 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:19:58,461 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:19:58,461 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:19:58,462 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 11:19:58,462 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:19:58,464 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 11:19:58,470 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-12-07 11:19:58,471 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_e312beb9-497d-412e-974c-e77c4f5ca2b8/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 11:19:58,473 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 11:19:58,473 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-12-07 11:19:58,474 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 11:19:58,474 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 11:19:58,476 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-12-07 11:19:58,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:19:58,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:19:58,585 INFO L264 TraceCheckSpWp]: Trace formula consists of 595 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 11:19:58,587 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 11:19:58,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:19:58,605 INFO L264 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 11:19:58,605 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 11:19:58,623 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 11:19:58,624 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 11:19:58,624 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 455 states and 821 transitions. cyclomatic complexity: 368 Second operand 4 states. [2019-12-07 11:19:58,654 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 455 states and 821 transitions. cyclomatic complexity: 368. Second operand 4 states. Result 883 states and 1601 transitions. Complement of second has 6 states. [2019-12-07 11:19:58,654 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 11:19:58,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-12-07 11:19:58,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 433 transitions. [2019-12-07 11:19:58,655 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 433 transitions. Stem has 20 letters. Loop has 9 letters. [2019-12-07 11:19:58,656 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 11:19:58,656 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 433 transitions. Stem has 29 letters. Loop has 9 letters. [2019-12-07 11:19:58,656 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 11:19:58,656 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 433 transitions. Stem has 20 letters. Loop has 18 letters. [2019-12-07 11:19:58,657 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 11:19:58,657 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 883 states and 1601 transitions. [2019-12-07 11:19:58,664 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 11:19:58,664 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 883 states to 0 states and 0 transitions. [2019-12-07 11:19:58,664 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-12-07 11:19:58,664 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-12-07 11:19:58,664 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-12-07 11:19:58,664 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 11:19:58,664 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 11:19:58,665 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 11:19:58,665 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 11:19:58,665 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 11:19:58,665 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 11:19:58,665 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 5 states. [2019-12-07 11:19:58,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:19:58,665 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2019-12-07 11:19:58,665 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 11:19:58,666 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2019-12-07 11:19:58,666 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 11:19:58,666 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 11:19:58,666 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-12-07 11:19:58,666 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-12-07 11:19:58,666 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-12-07 11:19:58,666 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 11:19:58,666 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 11:19:58,666 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 11:19:58,666 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 11:19:58,667 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-12-07 11:19:58,667 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-12-07 11:19:58,667 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 11:19:58,667 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-12-07 11:19:58,672 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 07.12 11:19:58 BoogieIcfgContainer [2019-12-07 11:19:58,673 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-12-07 11:19:58,673 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 11:19:58,673 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 11:19:58,673 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 11:19:58,674 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 11:19:57" (3/4) ... [2019-12-07 11:19:58,677 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 11:19:58,677 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 11:19:58,679 INFO L168 Benchmark]: Toolchain (without parser) took 3436.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 166.7 MB). Free memory was 944.6 MB in the beginning and 1.1 GB in the end (delta: -105.8 MB). Peak memory consumption was 61.0 MB. Max. memory is 11.5 GB. [2019-12-07 11:19:58,679 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 963.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 11:19:58,680 INFO L168 Benchmark]: CACSL2BoogieTranslator took 590.79 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 106.4 MB). Free memory was 944.6 MB in the beginning and 1.1 GB in the end (delta: -107.7 MB). Peak memory consumption was 29.7 MB. Max. memory is 11.5 GB. [2019-12-07 11:19:58,680 INFO L168 Benchmark]: Boogie Procedure Inliner took 71.37 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 11:19:58,681 INFO L168 Benchmark]: Boogie Preprocessor took 57.71 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-12-07 11:19:58,681 INFO L168 Benchmark]: RCFGBuilder took 1038.84 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -45.2 MB). Peak memory consumption was 207.4 MB. Max. memory is 11.5 GB. [2019-12-07 11:19:58,682 INFO L168 Benchmark]: BuchiAutomizer took 1671.26 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 60.3 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 30.0 MB). Peak memory consumption was 90.2 MB. Max. memory is 11.5 GB. [2019-12-07 11:19:58,682 INFO L168 Benchmark]: Witness Printer took 3.72 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 11:19:58,685 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 963.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 590.79 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 106.4 MB). Free memory was 944.6 MB in the beginning and 1.1 GB in the end (delta: -107.7 MB). Peak memory consumption was 29.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 71.37 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. * Boogie Preprocessor took 57.71 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1038.84 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -45.2 MB). Peak memory consumption was 207.4 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1671.26 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 60.3 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 30.0 MB). Peak memory consumption was 90.2 MB. Max. memory is 11.5 GB. * Witness Printer took 3.72 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * 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 * op2 + 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 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.6s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 0.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.5s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 860 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 455 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 2759 SDtfs, 2340 SDslu, 3341 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: inital38 mio100 ax100 hnf100 lsp29 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq189 hnf90 smp100 dnf134 smp100 tf108 neg92 sie116 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 20ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 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...