./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loops/verisec_OpenSER_cases1_stripFullBoth_arr.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_2dd1cdc2-6b81-4500-8537-f5113bb8ed9a/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_2dd1cdc2-6b81-4500-8537-f5113bb8ed9a/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_2dd1cdc2-6b81-4500-8537-f5113bb8ed9a/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_2dd1cdc2-6b81-4500-8537-f5113bb8ed9a/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loops/verisec_OpenSER_cases1_stripFullBoth_arr.i -s /tmp/vcloud-vcloud-master/worker/run_dir_2dd1cdc2-6b81-4500-8537-f5113bb8ed9a/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_2dd1cdc2-6b81-4500-8537-f5113bb8ed9a/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 5f5357e64289d6bac41f74df7b40a85eebbaa806 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-25 08:53:37,810 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 08:53:37,812 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 08:53:37,826 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 08:53:37,826 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 08:53:37,828 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 08:53:37,829 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 08:53:37,837 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 08:53:37,841 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 08:53:37,845 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 08:53:37,847 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 08:53:37,848 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 08:53:37,848 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 08:53:37,850 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 08:53:37,851 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 08:53:37,852 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 08:53:37,853 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 08:53:37,853 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 08:53:37,855 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 08:53:37,859 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 08:53:37,862 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 08:53:37,865 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 08:53:37,867 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 08:53:37,868 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 08:53:37,870 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 08:53:37,870 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 08:53:37,870 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 08:53:37,872 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 08:53:37,872 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 08:53:37,873 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 08:53:37,873 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 08:53:37,874 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 08:53:37,875 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 08:53:37,875 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 08:53:37,876 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 08:53:37,876 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 08:53:37,877 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 08:53:37,877 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 08:53:37,877 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 08:53:37,878 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 08:53:37,879 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 08:53:37,880 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_2dd1cdc2-6b81-4500-8537-f5113bb8ed9a/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-25 08:53:37,905 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 08:53:37,905 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 08:53:37,906 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 08:53:37,906 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 08:53:37,906 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 08:53:37,907 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-25 08:53:37,907 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-25 08:53:37,907 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-25 08:53:37,907 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-25 08:53:37,907 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-25 08:53:37,907 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-25 08:53:37,908 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 08:53:37,908 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 08:53:37,908 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-25 08:53:37,908 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 08:53:37,908 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 08:53:37,919 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 08:53:37,919 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-25 08:53:37,919 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-25 08:53:37,919 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-25 08:53:37,920 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 08:53:37,920 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 08:53:37,920 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-25 08:53:37,920 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 08:53:37,920 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-25 08:53:37,921 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 08:53:37,921 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 08:53:37,921 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-25 08:53:37,921 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 08:53:37,921 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 08:53:37,922 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-25 08:53:37,923 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-25 08:53:37,923 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_2dd1cdc2-6b81-4500-8537-f5113bb8ed9a/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 -> 5f5357e64289d6bac41f74df7b40a85eebbaa806 [2019-11-25 08:53:38,085 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 08:53:38,097 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 08:53:38,100 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 08:53:38,102 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 08:53:38,106 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 08:53:38,106 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_2dd1cdc2-6b81-4500-8537-f5113bb8ed9a/bin/uautomizer/../../sv-benchmarks/c/loops/verisec_OpenSER_cases1_stripFullBoth_arr.i [2019-11-25 08:53:38,170 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2dd1cdc2-6b81-4500-8537-f5113bb8ed9a/bin/uautomizer/data/865370c12/539b3f5decd74f0ca965bbeee05f3e26/FLAG807ce5278 [2019-11-25 08:53:38,552 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 08:53:38,552 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_2dd1cdc2-6b81-4500-8537-f5113bb8ed9a/sv-benchmarks/c/loops/verisec_OpenSER_cases1_stripFullBoth_arr.i [2019-11-25 08:53:38,559 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2dd1cdc2-6b81-4500-8537-f5113bb8ed9a/bin/uautomizer/data/865370c12/539b3f5decd74f0ca965bbeee05f3e26/FLAG807ce5278 [2019-11-25 08:53:38,571 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_2dd1cdc2-6b81-4500-8537-f5113bb8ed9a/bin/uautomizer/data/865370c12/539b3f5decd74f0ca965bbeee05f3e26 [2019-11-25 08:53:38,573 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 08:53:38,575 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-25 08:53:38,575 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 08:53:38,576 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 08:53:38,579 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 08:53:38,580 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:53:38" (1/1) ... [2019-11-25 08:53:38,582 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@568b4aa4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:53:38, skipping insertion in model container [2019-11-25 08:53:38,582 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:53:38" (1/1) ... [2019-11-25 08:53:38,589 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 08:53:38,608 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-25 08:53:38,919 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:53:38,939 INFO L201 MainTranslator]: Completed pre-run [2019-11-25 08:53:38,976 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:53:38,997 INFO L205 MainTranslator]: Completed translation [2019-11-25 08:53:38,998 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:53:38 WrapperNode [2019-11-25 08:53:38,998 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 08:53:38,998 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 08:53:38,998 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 08:53:38,999 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 08:53:39,004 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:53:38" (1/1) ... [2019-11-25 08:53:39,013 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:53:38" (1/1) ... [2019-11-25 08:53:39,032 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 08:53:39,032 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 08:53:39,032 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 08:53:39,032 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 08:53:39,039 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:53:38" (1/1) ... [2019-11-25 08:53:39,040 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:53:38" (1/1) ... [2019-11-25 08:53:39,042 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:53:38" (1/1) ... [2019-11-25 08:53:39,043 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:53:38" (1/1) ... [2019-11-25 08:53:39,050 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:53:38" (1/1) ... [2019-11-25 08:53:39,055 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:53:38" (1/1) ... [2019-11-25 08:53:39,057 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:53:38" (1/1) ... [2019-11-25 08:53:39,059 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 08:53:39,060 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-25 08:53:39,060 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-25 08:53:39,060 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-25 08:53:39,061 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:53:38" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2dd1cdc2-6b81-4500-8537-f5113bb8ed9a/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 [2019-11-25 08:53:39,122 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-25 08:53:39,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-25 08:53:39,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-25 08:53:39,123 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2019-11-25 08:53:39,124 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-25 08:53:39,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-25 08:53:39,126 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-25 08:53:39,530 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-25 08:53:39,531 INFO L284 CfgBuilder]: Removed 13 assume(true) statements. [2019-11-25 08:53:39,532 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:53:39 BoogieIcfgContainer [2019-11-25 08:53:39,532 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-25 08:53:39,532 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-25 08:53:39,532 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-25 08:53:39,536 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-25 08:53:39,536 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:53:39,537 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 25.11 08:53:38" (1/3) ... [2019-11-25 08:53:39,537 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2b0cafc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 08:53:39, skipping insertion in model container [2019-11-25 08:53:39,538 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:53:39,538 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:53:38" (2/3) ... [2019-11-25 08:53:39,539 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2b0cafc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 08:53:39, skipping insertion in model container [2019-11-25 08:53:39,539 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:53:39,539 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:53:39" (3/3) ... [2019-11-25 08:53:39,540 INFO L371 chiAutomizerObserver]: Analyzing ICFG verisec_OpenSER_cases1_stripFullBoth_arr.i [2019-11-25 08:53:39,580 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-25 08:53:39,580 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-25 08:53:39,580 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-25 08:53:39,580 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-25 08:53:39,581 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-25 08:53:39,581 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-25 08:53:39,581 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-25 08:53:39,581 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-25 08:53:39,595 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 33 states. [2019-11-25 08:53:39,616 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25 [2019-11-25 08:53:39,616 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:53:39,617 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:53:39,621 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2019-11-25 08:53:39,621 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-11-25 08:53:39,622 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-25 08:53:39,622 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 33 states. [2019-11-25 08:53:39,624 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25 [2019-11-25 08:53:39,624 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:53:39,624 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:53:39,625 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2019-11-25 08:53:39,625 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-11-25 08:53:39,631 INFO L794 eck$LassoCheckResult]: Stem: 30#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 10#L-1true havoc main_#res;havoc main_#t~ret20, main_~#A~0.base, main_~#A~0.offset;call main_~#A~0.base, main_~#A~0.offset := #Ultimate.allocOnStack(9);call write~int(0, main_~#A~0.base, 8 + main_~#A~0.offset, 1);parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset := main_~#A~0.base, main_~#A~0.offset;havoc parse_expression_list_#res;havoc parse_expression_list_#t~post2, parse_expression_list_#t~mem3, parse_expression_list_#t~switch4, parse_expression_list_#t~post8, parse_expression_list_#t~mem5, parse_expression_list_#t~mem6, parse_expression_list_#t~short7, parse_expression_list_#t~mem9, parse_expression_list_#t~post10, parse_expression_list_#t~post15, parse_expression_list_#t~mem11, parse_expression_list_#t~mem12, parse_expression_list_#t~short13, parse_expression_list_#t~short14, parse_expression_list_#t~mem16, parse_expression_list_#t~short17, parse_expression_list_#t~post18, parse_expression_list_#t~ret19.base, parse_expression_list_#t~ret19.offset, parse_expression_list_#t~mem1, parse_expression_list_~str.base, parse_expression_list_~str.offset, parse_expression_list_~start~0, parse_expression_list_~i~0, parse_expression_list_~j~0, parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset;parse_expression_list_~str.base, parse_expression_list_~str.offset := parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset;parse_expression_list_~start~0 := 0;parse_expression_list_~i~0 := -1;parse_expression_list_~j~0 := -1;call parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset := #Ultimate.allocOnStack(2); 25#L50true assume !(parse_expression_list_~str.base == 0 && parse_expression_list_~str.offset == 0); 3#L51-4true [2019-11-25 08:53:39,631 INFO L796 eck$LassoCheckResult]: Loop: 3#L51-4true parse_expression_list_#t~post2 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post2;havoc parse_expression_list_#t~post2;call parse_expression_list_#t~mem3 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch4 := 0 == parse_expression_list_#t~mem3; 11#L54true assume !parse_expression_list_#t~switch4; 29#L53true havoc parse_expression_list_#t~mem3;havoc parse_expression_list_#t~switch4; 8#L51-1true call parse_expression_list_#t~mem1 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1); 5#L51-2true assume !!(0 != parse_expression_list_#t~mem1);havoc parse_expression_list_#t~mem1; 3#L51-4true [2019-11-25 08:53:39,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:53:39,636 INFO L82 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2019-11-25 08:53:39,644 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:53:39,645 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425432544] [2019-11-25 08:53:39,645 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:53:39,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:53:39,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:53:39,794 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:53:39,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:53:39,795 INFO L82 PathProgramCache]: Analyzing trace with hash 41899121, now seen corresponding path program 1 times [2019-11-25 08:53:39,796 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:53:39,796 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [661208699] [2019-11-25 08:53:39,796 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:53:39,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:53:39,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:53:39,814 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:53:39,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:53:39,816 INFO L82 PathProgramCache]: Analyzing trace with hash 181226926, now seen corresponding path program 1 times [2019-11-25 08:53:39,816 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:53:39,817 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1752803288] [2019-11-25 08:53:39,817 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:53:39,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:53:39,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:53:39,881 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:53:40,207 WARN L192 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 59 [2019-11-25 08:53:40,300 INFO L210 LassoAnalysis]: Preferences: [2019-11-25 08:53:40,301 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-25 08:53:40,301 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-25 08:53:40,301 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-25 08:53:40,302 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-25 08:53:40,302 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:53:40,302 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-25 08:53:40,302 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-25 08:53:40,302 INFO L133 ssoRankerPreferences]: Filename of dumped script: verisec_OpenSER_cases1_stripFullBoth_arr.i_Iteration1_Lasso [2019-11-25 08:53:40,303 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-25 08:53:40,303 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-25 08:53:40,334 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:53:40,340 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:53:40,347 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:53:40,354 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:53:40,357 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:53:40,361 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:53:40,369 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:53:40,372 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:53:40,375 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:53:40,380 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:53:40,385 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:53:40,388 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:53:40,391 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:53:40,393 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:53:40,396 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:53:40,399 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:53:40,402 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:53:40,406 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:53:40,410 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:53:40,413 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:53:40,416 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:53:40,419 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:53:40,422 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:53:40,581 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 40 [2019-11-25 08:53:40,625 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:53:40,629 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:53:40,632 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:53:40,638 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:53:40,641 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:53:40,643 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:53:41,048 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-25 08:53:41,052 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2dd1cdc2-6b81-4500-8537-f5113bb8ed9a/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 [2019-11-25 08:53:41,067 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 [2019-11-25 08:53:41,070 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:53:41,070 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:53:41,071 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:53:41,071 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:53:41,071 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:53:41,073 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:53:41,073 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:53:41,076 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2dd1cdc2-6b81-4500-8537-f5113bb8ed9a/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 [2019-11-25 08:53:41,086 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 [2019-11-25 08:53:41,088 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:53:41,088 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:53:41,089 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:53:41,089 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:53:41,089 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:53:41,090 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:53:41,090 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:53:41,091 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2dd1cdc2-6b81-4500-8537-f5113bb8ed9a/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 [2019-11-25 08:53:41,103 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 [2019-11-25 08:53:41,105 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:53:41,106 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:53:41,106 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:53:41,106 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:53:41,112 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:53:41,113 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:53:41,122 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2dd1cdc2-6b81-4500-8537-f5113bb8ed9a/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 [2019-11-25 08:53:41,129 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 [2019-11-25 08:53:41,130 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:53:41,131 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:53:41,131 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:53:41,131 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:53:41,131 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:53:41,133 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:53:41,133 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:53:41,138 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2dd1cdc2-6b81-4500-8537-f5113bb8ed9a/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) [2019-11-25 08:53:41,154 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 [2019-11-25 08:53:41,155 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:53:41,156 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:53:41,156 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:53:41,156 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:53:41,156 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:53:41,157 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:53:41,158 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:53:41,160 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2dd1cdc2-6b81-4500-8537-f5113bb8ed9a/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) [2019-11-25 08:53:41,178 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 [2019-11-25 08:53:41,180 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:53:41,180 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:53:41,180 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:53:41,181 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:53:41,188 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:53:41,188 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:53:41,192 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2dd1cdc2-6b81-4500-8537-f5113bb8ed9a/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) [2019-11-25 08:53:41,202 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 [2019-11-25 08:53:41,204 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:53:41,204 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:53:41,205 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:53:41,205 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:53:41,205 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:53:41,206 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:53:41,206 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:53:41,208 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2dd1cdc2-6b81-4500-8537-f5113bb8ed9a/bin/uautomizer/z3 Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 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 [2019-11-25 08:53:41,218 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 [2019-11-25 08:53:41,220 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:53:41,220 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:53:41,221 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:53:41,221 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:53:41,221 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:53:41,222 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:53:41,222 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:53:41,224 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2dd1cdc2-6b81-4500-8537-f5113bb8ed9a/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:53:41,239 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 [2019-11-25 08:53:41,241 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:53:41,241 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:53:41,241 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:53:41,241 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:53:41,244 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:53:41,245 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:53:41,252 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2dd1cdc2-6b81-4500-8537-f5113bb8ed9a/bin/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:53:41,267 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 [2019-11-25 08:53:41,268 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:53:41,269 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:53:41,269 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:53:41,269 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:53:41,269 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:53:41,270 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:53:41,270 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:53:41,271 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2dd1cdc2-6b81-4500-8537-f5113bb8ed9a/bin/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:53:41,291 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 [2019-11-25 08:53:41,292 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:53:41,293 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:53:41,293 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:53:41,293 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:53:41,295 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:53:41,296 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:53:41,300 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2dd1cdc2-6b81-4500-8537-f5113bb8ed9a/bin/uautomizer/z3 Starting monitored process 13 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 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:53:41,310 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 [2019-11-25 08:53:41,312 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:53:41,312 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:53:41,312 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:53:41,313 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:53:41,313 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:53:41,313 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:53:41,314 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:53:41,317 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2dd1cdc2-6b81-4500-8537-f5113bb8ed9a/bin/uautomizer/z3 Starting monitored process 14 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 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:53:41,323 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 [2019-11-25 08:53:41,324 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:53:41,324 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:53:41,325 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:53:41,325 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:53:41,325 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:53:41,325 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:53:41,325 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:53:41,326 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2dd1cdc2-6b81-4500-8537-f5113bb8ed9a/bin/uautomizer/z3 Starting monitored process 15 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 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:53:41,331 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 [2019-11-25 08:53:41,332 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:53:41,332 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:53:41,332 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:53:41,332 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:53:41,332 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:53:41,333 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:53:41,333 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:53:41,334 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2dd1cdc2-6b81-4500-8537-f5113bb8ed9a/bin/uautomizer/z3 Starting monitored process 16 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 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:53:41,339 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 [2019-11-25 08:53:41,340 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:53:41,340 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:53:41,340 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:53:41,340 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:53:41,340 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:53:41,341 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:53:41,341 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:53:41,344 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2dd1cdc2-6b81-4500-8537-f5113bb8ed9a/bin/uautomizer/z3 Starting monitored process 17 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 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:53:41,349 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 [2019-11-25 08:53:41,350 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:53:41,350 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:53:41,350 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:53:41,350 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:53:41,350 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:53:41,351 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:53:41,351 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:53:41,352 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2dd1cdc2-6b81-4500-8537-f5113bb8ed9a/bin/uautomizer/z3 Starting monitored process 18 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 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:53:41,356 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 [2019-11-25 08:53:41,358 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:53:41,358 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:53:41,358 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:53:41,358 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:53:41,358 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:53:41,359 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:53:41,359 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:53:41,360 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2dd1cdc2-6b81-4500-8537-f5113bb8ed9a/bin/uautomizer/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:53:41,374 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 [2019-11-25 08:53:41,376 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:53:41,376 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:53:41,376 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:53:41,377 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:53:41,377 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:53:41,377 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:53:41,377 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:53:41,382 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2dd1cdc2-6b81-4500-8537-f5113bb8ed9a/bin/uautomizer/z3 Starting monitored process 20 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 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:53:41,386 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 [2019-11-25 08:53:41,388 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:53:41,388 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:53:41,388 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:53:41,388 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:53:41,388 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:53:41,389 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:53:41,389 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:53:41,390 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2dd1cdc2-6b81-4500-8537-f5113bb8ed9a/bin/uautomizer/z3 Starting monitored process 21 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 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:53:41,404 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 [2019-11-25 08:53:41,405 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:53:41,405 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:53:41,405 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:53:41,405 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:53:41,405 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:53:41,406 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:53:41,406 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:53:41,408 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2dd1cdc2-6b81-4500-8537-f5113bb8ed9a/bin/uautomizer/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:53:41,422 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 [2019-11-25 08:53:41,424 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:53:41,424 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:53:41,424 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:53:41,425 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:53:41,425 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:53:41,425 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:53:41,425 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:53:41,427 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2dd1cdc2-6b81-4500-8537-f5113bb8ed9a/bin/uautomizer/z3 Starting monitored process 23 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 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:53:41,434 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 [2019-11-25 08:53:41,436 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:53:41,436 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:53:41,436 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:53:41,436 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:53:41,436 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:53:41,437 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:53:41,437 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:53:41,439 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2dd1cdc2-6b81-4500-8537-f5113bb8ed9a/bin/uautomizer/z3 Starting monitored process 24 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 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:53:41,451 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 [2019-11-25 08:53:41,454 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:53:41,454 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:53:41,454 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:53:41,454 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:53:41,463 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:53:41,463 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:53:41,474 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2dd1cdc2-6b81-4500-8537-f5113bb8ed9a/bin/uautomizer/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:53:41,483 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 [2019-11-25 08:53:41,485 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:53:41,485 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:53:41,485 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:53:41,486 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:53:41,488 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:53:41,488 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:53:41,508 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2dd1cdc2-6b81-4500-8537-f5113bb8ed9a/bin/uautomizer/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:53:41,528 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 [2019-11-25 08:53:41,530 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:53:41,530 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:53:41,530 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:53:41,530 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:53:41,532 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:53:41,532 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:53:41,536 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2dd1cdc2-6b81-4500-8537-f5113bb8ed9a/bin/uautomizer/z3 Starting monitored process 27 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 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:53:41,541 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 [2019-11-25 08:53:41,543 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:53:41,544 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:53:41,544 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:53:41,544 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-25 08:53:41,544 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:53:41,545 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-25 08:53:41,545 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:53:41,554 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2dd1cdc2-6b81-4500-8537-f5113bb8ed9a/bin/uautomizer/z3 Starting monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:53:41,568 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 [2019-11-25 08:53:41,570 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:53:41,570 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:53:41,570 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:53:41,570 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:53:41,576 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:53:41,576 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:53:41,587 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2dd1cdc2-6b81-4500-8537-f5113bb8ed9a/bin/uautomizer/z3 Starting monitored process 29 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 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:53:41,591 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 [2019-11-25 08:53:41,592 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:53:41,593 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:53:41,593 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:53:41,593 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:53:41,595 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:53:41,595 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:53:41,598 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2dd1cdc2-6b81-4500-8537-f5113bb8ed9a/bin/uautomizer/z3 Starting monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:53:41,611 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 [2019-11-25 08:53:41,612 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:53:41,613 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:53:41,613 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:53:41,613 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:53:41,615 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:53:41,615 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:53:41,619 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2dd1cdc2-6b81-4500-8537-f5113bb8ed9a/bin/uautomizer/z3 Starting monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:53:41,627 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 [2019-11-25 08:53:41,629 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:53:41,629 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:53:41,630 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:53:41,630 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:53:41,636 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:53:41,636 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:53:41,648 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-25 08:53:41,818 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2019-11-25 08:53:41,818 INFO L444 ModelExtractionUtils]: 8 out of 22 variables were initially zero. Simplification set additionally 10 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2dd1cdc2-6b81-4500-8537-f5113bb8ed9a/bin/uautomizer/z3 Starting monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:53:41,827 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:53:41,831 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-25 08:53:41,831 INFO L510 LassoAnalysis]: Proved termination. [2019-11-25 08:53:41,832 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_parse_expression_list_~str.base)_1, ULTIMATE.start_parse_expression_list_~str.offset, ULTIMATE.start_parse_expression_list_~i~0) = 1*v_rep(select #length ULTIMATE.start_parse_expression_list_~str.base)_1 - 1*ULTIMATE.start_parse_expression_list_~str.offset - 1*ULTIMATE.start_parse_expression_list_~i~0 Supporting invariants [] [2019-11-25 08:53:41,858 INFO L297 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2019-11-25 08:53:41,864 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-11-25 08:53:41,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:53:41,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:53:41,897 INFO L255 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-25 08:53:41,898 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:53:41,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:53:41,912 INFO L255 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-25 08:53:41,912 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:53:41,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:53:41,953 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 [2019-11-25 08:53:41,954 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 33 states. Second operand 3 states. [2019-11-25 08:53:42,045 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 33 states.. Second operand 3 states. Result 99 states and 138 transitions. Complement of second has 5 states. [2019-11-25 08:53:42,048 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-25 08:53:42,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-25 08:53:42,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 97 transitions. [2019-11-25 08:53:42,052 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 97 transitions. Stem has 3 letters. Loop has 5 letters. [2019-11-25 08:53:42,053 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:53:42,053 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 97 transitions. Stem has 8 letters. Loop has 5 letters. [2019-11-25 08:53:42,053 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:53:42,053 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 97 transitions. Stem has 3 letters. Loop has 10 letters. [2019-11-25 08:53:42,054 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:53:42,055 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 99 states and 138 transitions. [2019-11-25 08:53:42,069 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2019-11-25 08:53:42,076 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 99 states to 40 states and 55 transitions. [2019-11-25 08:53:42,078 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2019-11-25 08:53:42,078 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2019-11-25 08:53:42,078 INFO L73 IsDeterministic]: Start isDeterministic. Operand 40 states and 55 transitions. [2019-11-25 08:53:42,079 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-25 08:53:42,079 INFO L688 BuchiCegarLoop]: Abstraction has 40 states and 55 transitions. [2019-11-25 08:53:42,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states and 55 transitions. [2019-11-25 08:53:42,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 39. [2019-11-25 08:53:42,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2019-11-25 08:53:42,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 54 transitions. [2019-11-25 08:53:42,106 INFO L711 BuchiCegarLoop]: Abstraction has 39 states and 54 transitions. [2019-11-25 08:53:42,106 INFO L591 BuchiCegarLoop]: Abstraction has 39 states and 54 transitions. [2019-11-25 08:53:42,106 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-25 08:53:42,106 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 39 states and 54 transitions. [2019-11-25 08:53:42,107 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2019-11-25 08:53:42,107 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:53:42,107 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:53:42,107 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-11-25 08:53:42,107 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-25 08:53:42,108 INFO L794 eck$LassoCheckResult]: Stem: 241#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 221#L-1 havoc main_#res;havoc main_#t~ret20, main_~#A~0.base, main_~#A~0.offset;call main_~#A~0.base, main_~#A~0.offset := #Ultimate.allocOnStack(9);call write~int(0, main_~#A~0.base, 8 + main_~#A~0.offset, 1);parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset := main_~#A~0.base, main_~#A~0.offset;havoc parse_expression_list_#res;havoc parse_expression_list_#t~post2, parse_expression_list_#t~mem3, parse_expression_list_#t~switch4, parse_expression_list_#t~post8, parse_expression_list_#t~mem5, parse_expression_list_#t~mem6, parse_expression_list_#t~short7, parse_expression_list_#t~mem9, parse_expression_list_#t~post10, parse_expression_list_#t~post15, parse_expression_list_#t~mem11, parse_expression_list_#t~mem12, parse_expression_list_#t~short13, parse_expression_list_#t~short14, parse_expression_list_#t~mem16, parse_expression_list_#t~short17, parse_expression_list_#t~post18, parse_expression_list_#t~ret19.base, parse_expression_list_#t~ret19.offset, parse_expression_list_#t~mem1, parse_expression_list_~str.base, parse_expression_list_~str.offset, parse_expression_list_~start~0, parse_expression_list_~i~0, parse_expression_list_~j~0, parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset;parse_expression_list_~str.base, parse_expression_list_~str.offset := parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset;parse_expression_list_~start~0 := 0;parse_expression_list_~i~0 := -1;parse_expression_list_~j~0 := -1;call parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset := #Ultimate.allocOnStack(2); 222#L50 assume !(parse_expression_list_~str.base == 0 && parse_expression_list_~str.offset == 0); 204#L51-4 parse_expression_list_#t~post2 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post2;havoc parse_expression_list_#t~post2;call parse_expression_list_#t~mem3 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch4 := 0 == parse_expression_list_#t~mem3; 205#L54 assume parse_expression_list_#t~switch4; 214#L55-5 [2019-11-25 08:53:42,108 INFO L796 eck$LassoCheckResult]: Loop: 214#L55-5 call parse_expression_list_#t~mem5 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1);parse_expression_list_#t~short7 := 32 == parse_expression_list_#t~mem5; 215#L55-1 assume parse_expression_list_#t~short7; 219#L55-3 assume !!parse_expression_list_#t~short7;havoc parse_expression_list_#t~short7;havoc parse_expression_list_#t~mem6;havoc parse_expression_list_#t~mem5;parse_expression_list_#t~post8 := parse_expression_list_~start~0;parse_expression_list_~start~0 := 1 + parse_expression_list_#t~post8;havoc parse_expression_list_#t~post8; 214#L55-5 [2019-11-25 08:53:42,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:53:42,108 INFO L82 PathProgramCache]: Analyzing trace with hash 28695815, now seen corresponding path program 1 times [2019-11-25 08:53:42,108 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:53:42,109 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370301385] [2019-11-25 08:53:42,109 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:53:42,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:53:42,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:53:42,140 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:53:42,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:53:42,140 INFO L82 PathProgramCache]: Analyzing trace with hash 48762, now seen corresponding path program 1 times [2019-11-25 08:53:42,141 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:53:42,141 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1521027392] [2019-11-25 08:53:42,141 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:53:42,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:53:42,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:53:42,151 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:53:42,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:53:42,152 INFO L82 PathProgramCache]: Analyzing trace with hash 178551732, now seen corresponding path program 1 times [2019-11-25 08:53:42,152 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:53:42,152 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1467678367] [2019-11-25 08:53:42,152 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:53:42,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:53:42,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:53:42,374 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1467678367] [2019-11-25 08:53:42,374 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:53:42,375 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-25 08:53:42,375 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67628671] [2019-11-25 08:53:42,425 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:53:42,427 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-25 08:53:42,428 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-25 08:53:42,429 INFO L87 Difference]: Start difference. First operand 39 states and 54 transitions. cyclomatic complexity: 18 Second operand 6 states. [2019-11-25 08:53:42,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:53:42,569 INFO L93 Difference]: Finished difference Result 71 states and 97 transitions. [2019-11-25 08:53:42,570 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-25 08:53:42,570 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 71 states and 97 transitions. [2019-11-25 08:53:42,572 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 13 [2019-11-25 08:53:42,573 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 71 states to 71 states and 97 transitions. [2019-11-25 08:53:42,574 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 26 [2019-11-25 08:53:42,574 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 26 [2019-11-25 08:53:42,574 INFO L73 IsDeterministic]: Start isDeterministic. Operand 71 states and 97 transitions. [2019-11-25 08:53:42,574 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-25 08:53:42,574 INFO L688 BuchiCegarLoop]: Abstraction has 71 states and 97 transitions. [2019-11-25 08:53:42,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states and 97 transitions. [2019-11-25 08:53:42,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 46. [2019-11-25 08:53:42,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2019-11-25 08:53:42,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 63 transitions. [2019-11-25 08:53:42,579 INFO L711 BuchiCegarLoop]: Abstraction has 46 states and 63 transitions. [2019-11-25 08:53:42,580 INFO L591 BuchiCegarLoop]: Abstraction has 46 states and 63 transitions. [2019-11-25 08:53:42,580 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-25 08:53:42,580 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 46 states and 63 transitions. [2019-11-25 08:53:42,581 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2019-11-25 08:53:42,582 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:53:42,582 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:53:42,582 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:53:42,583 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-25 08:53:42,583 INFO L794 eck$LassoCheckResult]: Stem: 366#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 345#L-1 havoc main_#res;havoc main_#t~ret20, main_~#A~0.base, main_~#A~0.offset;call main_~#A~0.base, main_~#A~0.offset := #Ultimate.allocOnStack(9);call write~int(0, main_~#A~0.base, 8 + main_~#A~0.offset, 1);parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset := main_~#A~0.base, main_~#A~0.offset;havoc parse_expression_list_#res;havoc parse_expression_list_#t~post2, parse_expression_list_#t~mem3, parse_expression_list_#t~switch4, parse_expression_list_#t~post8, parse_expression_list_#t~mem5, parse_expression_list_#t~mem6, parse_expression_list_#t~short7, parse_expression_list_#t~mem9, parse_expression_list_#t~post10, parse_expression_list_#t~post15, parse_expression_list_#t~mem11, parse_expression_list_#t~mem12, parse_expression_list_#t~short13, parse_expression_list_#t~short14, parse_expression_list_#t~mem16, parse_expression_list_#t~short17, parse_expression_list_#t~post18, parse_expression_list_#t~ret19.base, parse_expression_list_#t~ret19.offset, parse_expression_list_#t~mem1, parse_expression_list_~str.base, parse_expression_list_~str.offset, parse_expression_list_~start~0, parse_expression_list_~i~0, parse_expression_list_~j~0, parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset;parse_expression_list_~str.base, parse_expression_list_~str.offset := parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset;parse_expression_list_~start~0 := 0;parse_expression_list_~i~0 := -1;parse_expression_list_~j~0 := -1;call parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset := #Ultimate.allocOnStack(2); 346#L50 assume !(parse_expression_list_~str.base == 0 && parse_expression_list_~str.offset == 0); 327#L51-4 parse_expression_list_#t~post2 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post2;havoc parse_expression_list_#t~post2;call parse_expression_list_#t~mem3 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch4 := 0 == parse_expression_list_#t~mem3; 328#L54 assume !parse_expression_list_#t~switch4; 337#L53 havoc parse_expression_list_#t~mem3;havoc parse_expression_list_#t~switch4; 342#L51-1 call parse_expression_list_#t~mem1 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1); 331#L51-2 assume !!(0 != parse_expression_list_#t~mem1);havoc parse_expression_list_#t~mem1; 329#L51-4 parse_expression_list_#t~post2 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post2;havoc parse_expression_list_#t~post2;call parse_expression_list_#t~mem3 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch4 := 0 == parse_expression_list_#t~mem3; 330#L54 assume parse_expression_list_#t~switch4; 338#L55-5 [2019-11-25 08:53:42,583 INFO L796 eck$LassoCheckResult]: Loop: 338#L55-5 call parse_expression_list_#t~mem5 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1);parse_expression_list_#t~short7 := 32 == parse_expression_list_#t~mem5; 339#L55-1 assume parse_expression_list_#t~short7; 372#L55-3 assume !!parse_expression_list_#t~short7;havoc parse_expression_list_#t~short7;havoc parse_expression_list_#t~mem6;havoc parse_expression_list_#t~mem5;parse_expression_list_#t~post8 := parse_expression_list_~start~0;parse_expression_list_~start~0 := 1 + parse_expression_list_#t~post8;havoc parse_expression_list_#t~post8; 338#L55-5 [2019-11-25 08:53:42,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:53:42,584 INFO L82 PathProgramCache]: Analyzing trace with hash -1934582895, now seen corresponding path program 1 times [2019-11-25 08:53:42,584 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:53:42,584 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842264922] [2019-11-25 08:53:42,584 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:53:42,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:53:42,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:53:42,637 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:53:42,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:53:42,637 INFO L82 PathProgramCache]: Analyzing trace with hash 48762, now seen corresponding path program 2 times [2019-11-25 08:53:42,637 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:53:42,637 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1056997624] [2019-11-25 08:53:42,638 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:53:42,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:53:42,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:53:42,645 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:53:42,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:53:42,646 INFO L82 PathProgramCache]: Analyzing trace with hash 1007139050, now seen corresponding path program 1 times [2019-11-25 08:53:42,646 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:53:42,646 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [482618516] [2019-11-25 08:53:42,646 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:53:42,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:53:42,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:53:42,678 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:53:43,060 WARN L192 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 83 [2019-11-25 08:53:43,156 INFO L210 LassoAnalysis]: Preferences: [2019-11-25 08:53:43,156 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-25 08:53:43,156 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-25 08:53:43,156 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-25 08:53:43,157 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-25 08:53:43,157 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:53:43,157 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-25 08:53:43,157 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-25 08:53:43,157 INFO L133 ssoRankerPreferences]: Filename of dumped script: verisec_OpenSER_cases1_stripFullBoth_arr.i_Iteration3_Lasso [2019-11-25 08:53:43,157 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-25 08:53:43,157 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-25 08:53:43,160 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:53:43,165 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:53:43,168 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:53:43,171 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:53:43,173 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:53:43,175 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:53:43,177 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:53:43,180 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:53:43,183 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:53:43,185 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:53:43,188 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:53:43,195 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:53:43,198 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:53:43,200 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:53:43,204 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:53:43,206 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:53:43,412 WARN L192 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 51 [2019-11-25 08:53:43,442 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:53:43,450 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:53:43,453 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:53:43,463 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:53:43,465 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:53:43,468 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:53:43,471 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:53:43,473 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:53:43,475 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:53:43,477 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:53:43,479 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:53:43,785 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-25 08:53:43,785 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2dd1cdc2-6b81-4500-8537-f5113bb8ed9a/bin/uautomizer/z3 Starting monitored process 33 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 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:53:43,790 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 [2019-11-25 08:53:43,791 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:53:43,792 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:53:43,792 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:53:43,792 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:53:43,792 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:53:43,792 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:53:43,793 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:53:43,794 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2dd1cdc2-6b81-4500-8537-f5113bb8ed9a/bin/uautomizer/z3 Starting monitored process 34 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 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:53:43,798 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 [2019-11-25 08:53:43,799 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:53:43,799 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:53:43,799 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:53:43,799 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:53:43,799 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:53:43,799 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:53:43,800 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:53:43,801 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2dd1cdc2-6b81-4500-8537-f5113bb8ed9a/bin/uautomizer/z3 Starting monitored process 35 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 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:53:43,805 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 [2019-11-25 08:53:43,806 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:53:43,806 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:53:43,806 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:53:43,806 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:53:43,808 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:53:43,808 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:53:43,811 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2dd1cdc2-6b81-4500-8537-f5113bb8ed9a/bin/uautomizer/z3 Starting monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:53:43,823 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 [2019-11-25 08:53:43,824 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:53:43,824 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:53:43,825 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:53:43,825 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:53:43,825 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:53:43,825 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:53:43,825 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:53:43,827 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2dd1cdc2-6b81-4500-8537-f5113bb8ed9a/bin/uautomizer/z3 Starting monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:53:43,838 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 [2019-11-25 08:53:43,840 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:53:43,840 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:53:43,840 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:53:43,840 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:53:43,840 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:53:43,841 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:53:43,841 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:53:43,845 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2dd1cdc2-6b81-4500-8537-f5113bb8ed9a/bin/uautomizer/z3 Starting monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:53:43,859 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 [2019-11-25 08:53:43,860 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:53:43,860 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:53:43,860 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:53:43,860 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:53:43,861 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:53:43,861 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:53:43,861 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:53:43,862 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2dd1cdc2-6b81-4500-8537-f5113bb8ed9a/bin/uautomizer/z3 Starting monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:53:43,868 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 [2019-11-25 08:53:43,869 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:53:43,869 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:53:43,870 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:53:43,870 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:53:43,870 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:53:43,870 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:53:43,871 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:53:43,872 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2dd1cdc2-6b81-4500-8537-f5113bb8ed9a/bin/uautomizer/z3 Starting monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:53:43,877 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 [2019-11-25 08:53:43,879 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:53:43,879 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:53:43,879 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:53:43,879 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:53:43,881 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:53:43,881 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:53:43,885 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2dd1cdc2-6b81-4500-8537-f5113bb8ed9a/bin/uautomizer/z3 Starting monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:53:43,890 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 [2019-11-25 08:53:43,892 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:53:43,892 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:53:43,892 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:53:43,892 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:53:43,892 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:53:43,893 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:53:43,893 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:53:43,895 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2dd1cdc2-6b81-4500-8537-f5113bb8ed9a/bin/uautomizer/z3 Starting monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:53:43,900 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 [2019-11-25 08:53:43,901 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:53:43,901 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:53:43,902 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:53:43,902 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts Waiting until toolchain timeout for monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:53:43,902 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:53:43,902 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:53:43,903 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:53:43,904 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2dd1cdc2-6b81-4500-8537-f5113bb8ed9a/bin/uautomizer/z3 Starting monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:53:43,909 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 [2019-11-25 08:53:43,910 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:53:43,911 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:53:43,911 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:53:43,911 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:53:43,913 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:53:43,913 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:53:43,921 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2dd1cdc2-6b81-4500-8537-f5113bb8ed9a/bin/uautomizer/z3 Starting monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:53:43,927 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 [2019-11-25 08:53:43,929 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:53:43,929 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:53:43,929 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:53:43,930 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:53:43,931 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:53:43,932 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:53:43,932 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:53:43,934 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2dd1cdc2-6b81-4500-8537-f5113bb8ed9a/bin/uautomizer/z3 Starting monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:53:43,940 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 [2019-11-25 08:53:43,941 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:53:43,941 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:53:43,942 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:53:43,942 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:53:43,942 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:53:43,942 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:53:43,943 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:53:43,944 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2dd1cdc2-6b81-4500-8537-f5113bb8ed9a/bin/uautomizer/z3 Starting monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:53:43,950 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 [2019-11-25 08:53:43,952 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:53:43,953 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:53:43,953 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:53:43,953 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:53:43,953 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:53:43,954 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:53:43,954 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:53:43,955 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2dd1cdc2-6b81-4500-8537-f5113bb8ed9a/bin/uautomizer/z3 Starting monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:53:43,963 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 [2019-11-25 08:53:43,964 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:53:43,964 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:53:43,964 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:53:43,965 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:53:43,965 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:53:43,965 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:53:43,965 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:53:43,967 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2dd1cdc2-6b81-4500-8537-f5113bb8ed9a/bin/uautomizer/z3 Waiting until toolchain timeout for monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 Starting monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:53:43,978 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 [2019-11-25 08:53:43,980 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:53:43,980 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:53:43,980 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:53:43,980 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:53:43,982 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:53:43,982 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:53:43,985 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2dd1cdc2-6b81-4500-8537-f5113bb8ed9a/bin/uautomizer/z3 Starting monitored process 49 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 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:53:43,989 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 [2019-11-25 08:53:43,990 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:53:43,991 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:53:43,991 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:53:43,991 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:53:43,993 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:53:43,993 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:53:43,997 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2dd1cdc2-6b81-4500-8537-f5113bb8ed9a/bin/uautomizer/z3 Starting monitored process 50 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 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:53:44,002 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 [2019-11-25 08:53:44,003 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:53:44,003 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:53:44,003 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:53:44,003 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:53:44,006 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:53:44,006 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:53:44,012 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2dd1cdc2-6b81-4500-8537-f5113bb8ed9a/bin/uautomizer/z3 Starting monitored process 51 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:53:44,017 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 [2019-11-25 08:53:44,019 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:53:44,019 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:53:44,019 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:53:44,019 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:53:44,021 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:53:44,021 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 51 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:53:44,026 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2dd1cdc2-6b81-4500-8537-f5113bb8ed9a/bin/uautomizer/z3 Starting monitored process 52 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:53:44,035 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 [2019-11-25 08:53:44,051 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:53:44,051 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:53:44,051 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:53:44,051 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 52 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:53:44,053 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:53:44,053 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:53:44,058 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2dd1cdc2-6b81-4500-8537-f5113bb8ed9a/bin/uautomizer/z3 Starting monitored process 53 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 53 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:53:44,064 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 [2019-11-25 08:53:44,066 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:53:44,066 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:53:44,066 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:53:44,066 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:53:44,071 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:53:44,072 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:53:44,079 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-25 08:53:44,105 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2019-11-25 08:53:44,105 INFO L444 ModelExtractionUtils]: 4 out of 22 variables were initially zero. Simplification set additionally 14 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2dd1cdc2-6b81-4500-8537-f5113bb8ed9a/bin/uautomizer/z3 Starting monitored process 54 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 54 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:53:44,108 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-25 08:53:44,111 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-25 08:53:44,111 INFO L510 LassoAnalysis]: Proved termination. [2019-11-25 08:53:44,111 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_parse_expression_list_~start~0, ULTIMATE.start_parse_expression_list_~str.offset, v_rep(select #length ULTIMATE.start_main_~#A~0.base)_2) = -1*ULTIMATE.start_parse_expression_list_~start~0 - 1*ULTIMATE.start_parse_expression_list_~str.offset + 1*v_rep(select #length ULTIMATE.start_main_~#A~0.base)_2 Supporting invariants [] [2019-11-25 08:53:44,157 INFO L297 tatePredicateManager]: 8 out of 9 supporting invariants were superfluous and have been removed [2019-11-25 08:53:44,159 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-11-25 08:53:44,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:53:44,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:53:44,199 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-25 08:53:44,200 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:53:44,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:53:44,211 INFO L255 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-25 08:53:44,211 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:53:44,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:53:44,228 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2019-11-25 08:53:44,228 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 46 states and 63 transitions. cyclomatic complexity: 20 Second operand 4 states. [2019-11-25 08:53:44,335 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 46 states and 63 transitions. cyclomatic complexity: 20. Second operand 4 states. Result 153 states and 213 transitions. Complement of second has 8 states. [2019-11-25 08:53:44,336 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-25 08:53:44,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-25 08:53:44,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 53 transitions. [2019-11-25 08:53:44,337 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 53 transitions. Stem has 10 letters. Loop has 3 letters. [2019-11-25 08:53:44,337 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:53:44,337 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 53 transitions. Stem has 13 letters. Loop has 3 letters. [2019-11-25 08:53:44,338 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:53:44,338 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 53 transitions. Stem has 10 letters. Loop has 6 letters. [2019-11-25 08:53:44,338 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:53:44,338 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 153 states and 213 transitions. [2019-11-25 08:53:44,342 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 18 [2019-11-25 08:53:44,345 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 153 states to 115 states and 159 transitions. [2019-11-25 08:53:44,345 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 32 [2019-11-25 08:53:44,345 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 40 [2019-11-25 08:53:44,345 INFO L73 IsDeterministic]: Start isDeterministic. Operand 115 states and 159 transitions. [2019-11-25 08:53:44,346 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-25 08:53:44,346 INFO L688 BuchiCegarLoop]: Abstraction has 115 states and 159 transitions. [2019-11-25 08:53:44,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states and 159 transitions. [2019-11-25 08:53:44,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 72. [2019-11-25 08:53:44,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2019-11-25 08:53:44,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 102 transitions. [2019-11-25 08:53:44,353 INFO L711 BuchiCegarLoop]: Abstraction has 72 states and 102 transitions. [2019-11-25 08:53:44,353 INFO L591 BuchiCegarLoop]: Abstraction has 72 states and 102 transitions. [2019-11-25 08:53:44,353 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-11-25 08:53:44,353 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 72 states and 102 transitions. [2019-11-25 08:53:44,354 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2019-11-25 08:53:44,354 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:53:44,354 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:53:44,355 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:53:44,355 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-25 08:53:44,355 INFO L794 eck$LassoCheckResult]: Stem: 677#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 653#L-1 havoc main_#res;havoc main_#t~ret20, main_~#A~0.base, main_~#A~0.offset;call main_~#A~0.base, main_~#A~0.offset := #Ultimate.allocOnStack(9);call write~int(0, main_~#A~0.base, 8 + main_~#A~0.offset, 1);parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset := main_~#A~0.base, main_~#A~0.offset;havoc parse_expression_list_#res;havoc parse_expression_list_#t~post2, parse_expression_list_#t~mem3, parse_expression_list_#t~switch4, parse_expression_list_#t~post8, parse_expression_list_#t~mem5, parse_expression_list_#t~mem6, parse_expression_list_#t~short7, parse_expression_list_#t~mem9, parse_expression_list_#t~post10, parse_expression_list_#t~post15, parse_expression_list_#t~mem11, parse_expression_list_#t~mem12, parse_expression_list_#t~short13, parse_expression_list_#t~short14, parse_expression_list_#t~mem16, parse_expression_list_#t~short17, parse_expression_list_#t~post18, parse_expression_list_#t~ret19.base, parse_expression_list_#t~ret19.offset, parse_expression_list_#t~mem1, parse_expression_list_~str.base, parse_expression_list_~str.offset, parse_expression_list_~start~0, parse_expression_list_~i~0, parse_expression_list_~j~0, parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset;parse_expression_list_~str.base, parse_expression_list_~str.offset := parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset;parse_expression_list_~start~0 := 0;parse_expression_list_~i~0 := -1;parse_expression_list_~j~0 := -1;call parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset := #Ultimate.allocOnStack(2); 654#L50 assume !(parse_expression_list_~str.base == 0 && parse_expression_list_~str.offset == 0); 632#L51-4 parse_expression_list_#t~post2 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post2;havoc parse_expression_list_#t~post2;call parse_expression_list_#t~mem3 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch4 := 0 == parse_expression_list_#t~mem3; 633#L54 assume parse_expression_list_#t~switch4; 661#L55-5 call parse_expression_list_#t~mem5 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1);parse_expression_list_#t~short7 := 32 == parse_expression_list_#t~mem5; 678#L55-1 assume !parse_expression_list_#t~short7;call parse_expression_list_#t~mem6 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1);parse_expression_list_#t~short7 := 9 == parse_expression_list_#t~mem6; 650#L55-3 assume !parse_expression_list_#t~short7;havoc parse_expression_list_#t~short7;havoc parse_expression_list_#t~mem6;havoc parse_expression_list_#t~mem5; 638#L55-6 call parse_expression_list_#t~mem9 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1); 639#L56 assume !(34 == parse_expression_list_#t~mem9);havoc parse_expression_list_#t~mem9; 662#L56-2 parse_expression_list_~j~0 := parse_expression_list_~i~0 - 1; 663#L58-8 [2019-11-25 08:53:44,355 INFO L796 eck$LassoCheckResult]: Loop: 663#L58-8 parse_expression_list_#t~short14 := 0 < parse_expression_list_~j~0; 670#L58-1 assume !parse_expression_list_#t~short14; 656#L58-6 assume !!parse_expression_list_#t~short14;havoc parse_expression_list_#t~mem12;havoc parse_expression_list_#t~short13;havoc parse_expression_list_#t~mem11;havoc parse_expression_list_#t~short14;parse_expression_list_#t~post15 := parse_expression_list_~j~0;parse_expression_list_~j~0 := parse_expression_list_#t~post15 - 1;havoc parse_expression_list_#t~post15; 663#L58-8 [2019-11-25 08:53:44,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:53:44,356 INFO L82 PathProgramCache]: Analyzing trace with hash 2066956948, now seen corresponding path program 1 times [2019-11-25 08:53:44,356 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:53:44,356 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [30459933] [2019-11-25 08:53:44,356 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:53:44,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:53:44,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:53:44,381 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:53:44,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:53:44,381 INFO L82 PathProgramCache]: Analyzing trace with hash 75859, now seen corresponding path program 1 times [2019-11-25 08:53:44,381 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:53:44,382 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1675138252] [2019-11-25 08:53:44,382 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:53:44,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:53:44,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:53:44,392 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1675138252] [2019-11-25 08:53:44,392 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:53:44,393 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-25 08:53:44,393 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848473283] [2019-11-25 08:53:44,393 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-25 08:53:44,393 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:53:44,393 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-25 08:53:44,393 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:53:44,393 INFO L87 Difference]: Start difference. First operand 72 states and 102 transitions. cyclomatic complexity: 36 Second operand 3 states. [2019-11-25 08:53:44,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:53:44,405 INFO L93 Difference]: Finished difference Result 74 states and 103 transitions. [2019-11-25 08:53:44,407 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-25 08:53:44,407 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 74 states and 103 transitions. [2019-11-25 08:53:44,408 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2019-11-25 08:53:44,409 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 74 states to 73 states and 102 transitions. [2019-11-25 08:53:44,410 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 26 [2019-11-25 08:53:44,410 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 26 [2019-11-25 08:53:44,410 INFO L73 IsDeterministic]: Start isDeterministic. Operand 73 states and 102 transitions. [2019-11-25 08:53:44,410 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-25 08:53:44,410 INFO L688 BuchiCegarLoop]: Abstraction has 73 states and 102 transitions. [2019-11-25 08:53:44,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states and 102 transitions. [2019-11-25 08:53:44,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2019-11-25 08:53:44,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2019-11-25 08:53:44,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 102 transitions. [2019-11-25 08:53:44,415 INFO L711 BuchiCegarLoop]: Abstraction has 73 states and 102 transitions. [2019-11-25 08:53:44,415 INFO L591 BuchiCegarLoop]: Abstraction has 73 states and 102 transitions. [2019-11-25 08:53:44,415 INFO L424 BuchiCegarLoop]: ======== Iteration 5============ [2019-11-25 08:53:44,415 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 73 states and 102 transitions. [2019-11-25 08:53:44,416 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2019-11-25 08:53:44,416 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:53:44,416 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:53:44,417 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:53:44,417 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-11-25 08:53:44,417 INFO L794 eck$LassoCheckResult]: Stem: 827#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 804#L-1 havoc main_#res;havoc main_#t~ret20, main_~#A~0.base, main_~#A~0.offset;call main_~#A~0.base, main_~#A~0.offset := #Ultimate.allocOnStack(9);call write~int(0, main_~#A~0.base, 8 + main_~#A~0.offset, 1);parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset := main_~#A~0.base, main_~#A~0.offset;havoc parse_expression_list_#res;havoc parse_expression_list_#t~post2, parse_expression_list_#t~mem3, parse_expression_list_#t~switch4, parse_expression_list_#t~post8, parse_expression_list_#t~mem5, parse_expression_list_#t~mem6, parse_expression_list_#t~short7, parse_expression_list_#t~mem9, parse_expression_list_#t~post10, parse_expression_list_#t~post15, parse_expression_list_#t~mem11, parse_expression_list_#t~mem12, parse_expression_list_#t~short13, parse_expression_list_#t~short14, parse_expression_list_#t~mem16, parse_expression_list_#t~short17, parse_expression_list_#t~post18, parse_expression_list_#t~ret19.base, parse_expression_list_#t~ret19.offset, parse_expression_list_#t~mem1, parse_expression_list_~str.base, parse_expression_list_~str.offset, parse_expression_list_~start~0, parse_expression_list_~i~0, parse_expression_list_~j~0, parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset;parse_expression_list_~str.base, parse_expression_list_~str.offset := parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset;parse_expression_list_~start~0 := 0;parse_expression_list_~i~0 := -1;parse_expression_list_~j~0 := -1;call parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset := #Ultimate.allocOnStack(2); 805#L50 assume !(parse_expression_list_~str.base == 0 && parse_expression_list_~str.offset == 0); 784#L51-4 parse_expression_list_#t~post2 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post2;havoc parse_expression_list_#t~post2;call parse_expression_list_#t~mem3 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch4 := 0 == parse_expression_list_#t~mem3; 785#L54 assume parse_expression_list_#t~switch4; 796#L55-5 call parse_expression_list_#t~mem5 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1);parse_expression_list_#t~short7 := 32 == parse_expression_list_#t~mem5; 797#L55-1 assume !parse_expression_list_#t~short7;call parse_expression_list_#t~mem6 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1);parse_expression_list_#t~short7 := 9 == parse_expression_list_#t~mem6; 835#L55-3 assume !parse_expression_list_#t~short7;havoc parse_expression_list_#t~short7;havoc parse_expression_list_#t~mem6;havoc parse_expression_list_#t~mem5; 832#L55-6 call parse_expression_list_#t~mem9 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1); 816#L56 assume !(34 == parse_expression_list_#t~mem9);havoc parse_expression_list_#t~mem9; 807#L56-2 parse_expression_list_~j~0 := parse_expression_list_~i~0 - 1; 808#L58-8 [2019-11-25 08:53:44,417 INFO L796 eck$LassoCheckResult]: Loop: 808#L58-8 parse_expression_list_#t~short14 := 0 < parse_expression_list_~j~0; 820#L58-1 assume parse_expression_list_#t~short14;call parse_expression_list_#t~mem11 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~j~0, 1);parse_expression_list_#t~short13 := 32 == parse_expression_list_#t~mem11; 817#L58-2 assume parse_expression_list_#t~short13; 811#L58-4 parse_expression_list_#t~short14 := parse_expression_list_#t~short13; 812#L58-6 assume !!parse_expression_list_#t~short14;havoc parse_expression_list_#t~mem12;havoc parse_expression_list_#t~short13;havoc parse_expression_list_#t~mem11;havoc parse_expression_list_#t~short14;parse_expression_list_#t~post15 := parse_expression_list_~j~0;parse_expression_list_~j~0 := parse_expression_list_#t~post15 - 1;havoc parse_expression_list_#t~post15; 808#L58-8 [2019-11-25 08:53:44,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:53:44,418 INFO L82 PathProgramCache]: Analyzing trace with hash 2066956948, now seen corresponding path program 2 times [2019-11-25 08:53:44,418 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:53:44,418 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1232653691] [2019-11-25 08:53:44,418 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:53:44,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:53:44,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:53:44,440 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:53:44,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:53:44,441 INFO L82 PathProgramCache]: Analyzing trace with hash 72622648, now seen corresponding path program 1 times [2019-11-25 08:53:44,441 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:53:44,441 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [911624551] [2019-11-25 08:53:44,441 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:53:44,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:53:44,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:53:44,448 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:53:44,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:53:44,448 INFO L82 PathProgramCache]: Analyzing trace with hash 733119365, now seen corresponding path program 1 times [2019-11-25 08:53:44,448 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:53:44,448 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187300211] [2019-11-25 08:53:44,448 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:53:44,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:53:44,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:53:44,486 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187300211] [2019-11-25 08:53:44,486 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:53:44,486 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-25 08:53:44,486 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508181147] [2019-11-25 08:53:44,543 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:53:44,543 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-25 08:53:44,543 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-25 08:53:44,543 INFO L87 Difference]: Start difference. First operand 73 states and 102 transitions. cyclomatic complexity: 35 Second operand 6 states. [2019-11-25 08:53:44,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:53:44,637 INFO L93 Difference]: Finished difference Result 123 states and 161 transitions. [2019-11-25 08:53:44,638 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-25 08:53:44,638 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 123 states and 161 transitions. [2019-11-25 08:53:44,640 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 11 [2019-11-25 08:53:44,641 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 123 states to 111 states and 148 transitions. [2019-11-25 08:53:44,642 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 28 [2019-11-25 08:53:44,642 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 28 [2019-11-25 08:53:44,642 INFO L73 IsDeterministic]: Start isDeterministic. Operand 111 states and 148 transitions. [2019-11-25 08:53:44,642 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-25 08:53:44,642 INFO L688 BuchiCegarLoop]: Abstraction has 111 states and 148 transitions. [2019-11-25 08:53:44,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states and 148 transitions. [2019-11-25 08:53:44,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 77. [2019-11-25 08:53:44,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2019-11-25 08:53:44,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 104 transitions. [2019-11-25 08:53:44,647 INFO L711 BuchiCegarLoop]: Abstraction has 77 states and 104 transitions. [2019-11-25 08:53:44,647 INFO L591 BuchiCegarLoop]: Abstraction has 77 states and 104 transitions. [2019-11-25 08:53:44,647 INFO L424 BuchiCegarLoop]: ======== Iteration 6============ [2019-11-25 08:53:44,647 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 77 states and 104 transitions. [2019-11-25 08:53:44,648 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2019-11-25 08:53:44,648 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:53:44,648 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:53:44,649 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:53:44,649 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-11-25 08:53:44,649 INFO L794 eck$LassoCheckResult]: Stem: 1043#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 1017#L-1 havoc main_#res;havoc main_#t~ret20, main_~#A~0.base, main_~#A~0.offset;call main_~#A~0.base, main_~#A~0.offset := #Ultimate.allocOnStack(9);call write~int(0, main_~#A~0.base, 8 + main_~#A~0.offset, 1);parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset := main_~#A~0.base, main_~#A~0.offset;havoc parse_expression_list_#res;havoc parse_expression_list_#t~post2, parse_expression_list_#t~mem3, parse_expression_list_#t~switch4, parse_expression_list_#t~post8, parse_expression_list_#t~mem5, parse_expression_list_#t~mem6, parse_expression_list_#t~short7, parse_expression_list_#t~mem9, parse_expression_list_#t~post10, parse_expression_list_#t~post15, parse_expression_list_#t~mem11, parse_expression_list_#t~mem12, parse_expression_list_#t~short13, parse_expression_list_#t~short14, parse_expression_list_#t~mem16, parse_expression_list_#t~short17, parse_expression_list_#t~post18, parse_expression_list_#t~ret19.base, parse_expression_list_#t~ret19.offset, parse_expression_list_#t~mem1, parse_expression_list_~str.base, parse_expression_list_~str.offset, parse_expression_list_~start~0, parse_expression_list_~i~0, parse_expression_list_~j~0, parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset;parse_expression_list_~str.base, parse_expression_list_~str.offset := parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset;parse_expression_list_~start~0 := 0;parse_expression_list_~i~0 := -1;parse_expression_list_~j~0 := -1;call parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset := #Ultimate.allocOnStack(2); 1018#L50 assume !(parse_expression_list_~str.base == 0 && parse_expression_list_~str.offset == 0); 997#L51-4 parse_expression_list_#t~post2 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post2;havoc parse_expression_list_#t~post2;call parse_expression_list_#t~mem3 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch4 := 0 == parse_expression_list_#t~mem3; 998#L54 assume !parse_expression_list_#t~switch4; 1020#L53 havoc parse_expression_list_#t~mem3;havoc parse_expression_list_#t~switch4; 1073#L51-1 call parse_expression_list_#t~mem1 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1); 1072#L51-2 assume !!(0 != parse_expression_list_#t~mem1);havoc parse_expression_list_#t~mem1; 1066#L51-4 parse_expression_list_#t~post2 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post2;havoc parse_expression_list_#t~post2;call parse_expression_list_#t~mem3 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch4 := 0 == parse_expression_list_#t~mem3; 1019#L54 assume parse_expression_list_#t~switch4; 1021#L55-5 call parse_expression_list_#t~mem5 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1);parse_expression_list_#t~short7 := 32 == parse_expression_list_#t~mem5; 1011#L55-1 assume !parse_expression_list_#t~short7;call parse_expression_list_#t~mem6 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1);parse_expression_list_#t~short7 := 9 == parse_expression_list_#t~mem6; 1071#L55-3 assume !parse_expression_list_#t~short7;havoc parse_expression_list_#t~short7;havoc parse_expression_list_#t~mem6;havoc parse_expression_list_#t~mem5; 1002#L55-6 call parse_expression_list_#t~mem9 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1); 1003#L56 assume !(34 == parse_expression_list_#t~mem9);havoc parse_expression_list_#t~mem9; 1023#L56-2 parse_expression_list_~j~0 := parse_expression_list_~i~0 - 1; 1024#L58-8 [2019-11-25 08:53:44,649 INFO L796 eck$LassoCheckResult]: Loop: 1024#L58-8 parse_expression_list_#t~short14 := 0 < parse_expression_list_~j~0; 1036#L58-1 assume parse_expression_list_#t~short14;call parse_expression_list_#t~mem11 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~j~0, 1);parse_expression_list_#t~short13 := 32 == parse_expression_list_#t~mem11; 1033#L58-2 assume parse_expression_list_#t~short13; 1027#L58-4 parse_expression_list_#t~short14 := parse_expression_list_#t~short13; 1028#L58-6 assume !!parse_expression_list_#t~short14;havoc parse_expression_list_#t~mem12;havoc parse_expression_list_#t~short13;havoc parse_expression_list_#t~mem11;havoc parse_expression_list_#t~short14;parse_expression_list_#t~post15 := parse_expression_list_~j~0;parse_expression_list_~j~0 := parse_expression_list_#t~post15 - 1;havoc parse_expression_list_#t~post15; 1024#L58-8 [2019-11-25 08:53:44,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:53:44,649 INFO L82 PathProgramCache]: Analyzing trace with hash -960269922, now seen corresponding path program 1 times [2019-11-25 08:53:44,650 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:53:44,650 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1451270] [2019-11-25 08:53:44,650 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:53:44,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:53:44,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:53:44,682 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:53:44,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:53:44,687 INFO L82 PathProgramCache]: Analyzing trace with hash 72622648, now seen corresponding path program 2 times [2019-11-25 08:53:44,687 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:53:44,687 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811974107] [2019-11-25 08:53:44,691 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:53:44,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:53:44,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:53:44,706 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:53:44,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:53:44,707 INFO L82 PathProgramCache]: Analyzing trace with hash -554161477, now seen corresponding path program 1 times [2019-11-25 08:53:44,707 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:53:44,707 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67159633] [2019-11-25 08:53:44,708 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:53:44,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:53:44,763 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:53:44,763 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [67159633] [2019-11-25 08:53:44,764 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1326635394] [2019-11-25 08:53:44,764 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2dd1cdc2-6b81-4500-8537-f5113bb8ed9a/bin/uautomizer/z3 Starting monitored process 55 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 55 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-25 08:53:44,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:53:44,807 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-25 08:53:44,808 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:53:44,812 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:53:44,815 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:53:44,816 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-25 08:53:44,816 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2019-11-25 08:53:44,816 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618528933] [2019-11-25 08:53:44,924 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 29 [2019-11-25 08:53:44,939 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:53:44,939 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-25 08:53:44,939 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-11-25 08:53:44,939 INFO L87 Difference]: Start difference. First operand 77 states and 104 transitions. cyclomatic complexity: 33 Second operand 7 states. [2019-11-25 08:53:45,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:53:45,075 INFO L93 Difference]: Finished difference Result 165 states and 222 transitions. [2019-11-25 08:53:45,076 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-25 08:53:45,076 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 165 states and 222 transitions. [2019-11-25 08:53:45,077 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 14 [2019-11-25 08:53:45,079 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 165 states to 150 states and 200 transitions. [2019-11-25 08:53:45,079 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 31 [2019-11-25 08:53:45,079 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 31 [2019-11-25 08:53:45,079 INFO L73 IsDeterministic]: Start isDeterministic. Operand 150 states and 200 transitions. [2019-11-25 08:53:45,080 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-25 08:53:45,080 INFO L688 BuchiCegarLoop]: Abstraction has 150 states and 200 transitions. [2019-11-25 08:53:45,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states and 200 transitions. [2019-11-25 08:53:45,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 116. [2019-11-25 08:53:45,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2019-11-25 08:53:45,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 156 transitions. [2019-11-25 08:53:45,086 INFO L711 BuchiCegarLoop]: Abstraction has 116 states and 156 transitions. [2019-11-25 08:53:45,086 INFO L591 BuchiCegarLoop]: Abstraction has 116 states and 156 transitions. [2019-11-25 08:53:45,087 INFO L424 BuchiCegarLoop]: ======== Iteration 7============ [2019-11-25 08:53:45,087 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 116 states and 156 transitions. [2019-11-25 08:53:45,087 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 11 [2019-11-25 08:53:45,088 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:53:45,088 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:53:45,088 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:53:45,088 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-11-25 08:53:45,089 INFO L794 eck$LassoCheckResult]: Stem: 1365#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 1342#L-1 havoc main_#res;havoc main_#t~ret20, main_~#A~0.base, main_~#A~0.offset;call main_~#A~0.base, main_~#A~0.offset := #Ultimate.allocOnStack(9);call write~int(0, main_~#A~0.base, 8 + main_~#A~0.offset, 1);parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset := main_~#A~0.base, main_~#A~0.offset;havoc parse_expression_list_#res;havoc parse_expression_list_#t~post2, parse_expression_list_#t~mem3, parse_expression_list_#t~switch4, parse_expression_list_#t~post8, parse_expression_list_#t~mem5, parse_expression_list_#t~mem6, parse_expression_list_#t~short7, parse_expression_list_#t~mem9, parse_expression_list_#t~post10, parse_expression_list_#t~post15, parse_expression_list_#t~mem11, parse_expression_list_#t~mem12, parse_expression_list_#t~short13, parse_expression_list_#t~short14, parse_expression_list_#t~mem16, parse_expression_list_#t~short17, parse_expression_list_#t~post18, parse_expression_list_#t~ret19.base, parse_expression_list_#t~ret19.offset, parse_expression_list_#t~mem1, parse_expression_list_~str.base, parse_expression_list_~str.offset, parse_expression_list_~start~0, parse_expression_list_~i~0, parse_expression_list_~j~0, parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset;parse_expression_list_~str.base, parse_expression_list_~str.offset := parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset;parse_expression_list_~start~0 := 0;parse_expression_list_~i~0 := -1;parse_expression_list_~j~0 := -1;call parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset := #Ultimate.allocOnStack(2); 1343#L50 assume !(parse_expression_list_~str.base == 0 && parse_expression_list_~str.offset == 0); 1321#L51-4 parse_expression_list_#t~post2 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post2;havoc parse_expression_list_#t~post2;call parse_expression_list_#t~mem3 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch4 := 0 == parse_expression_list_#t~mem3; 1322#L54 assume !parse_expression_list_#t~switch4; 1420#L53 havoc parse_expression_list_#t~mem3;havoc parse_expression_list_#t~switch4; 1419#L51-1 call parse_expression_list_#t~mem1 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1); 1418#L51-2 assume !!(0 != parse_expression_list_#t~mem1);havoc parse_expression_list_#t~mem1; 1417#L51-4 parse_expression_list_#t~post2 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post2;havoc parse_expression_list_#t~post2;call parse_expression_list_#t~mem3 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch4 := 0 == parse_expression_list_#t~mem3; 1416#L54 assume !parse_expression_list_#t~switch4; 1380#L53 havoc parse_expression_list_#t~mem3;havoc parse_expression_list_#t~switch4; 1429#L51-1 call parse_expression_list_#t~mem1 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1); 1384#L51-2 assume !!(0 != parse_expression_list_#t~mem1);havoc parse_expression_list_#t~mem1; 1383#L51-4 parse_expression_list_#t~post2 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post2;havoc parse_expression_list_#t~post2;call parse_expression_list_#t~mem3 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch4 := 0 == parse_expression_list_#t~mem3; 1379#L54 assume parse_expression_list_#t~switch4; 1332#L55-5 call parse_expression_list_#t~mem5 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1);parse_expression_list_#t~short7 := 32 == parse_expression_list_#t~mem5; 1333#L55-1 assume !parse_expression_list_#t~short7;call parse_expression_list_#t~mem6 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1);parse_expression_list_#t~short7 := 9 == parse_expression_list_#t~mem6; 1366#L55-3 assume !parse_expression_list_#t~short7;havoc parse_expression_list_#t~short7;havoc parse_expression_list_#t~mem6;havoc parse_expression_list_#t~mem5; 1325#L55-6 call parse_expression_list_#t~mem9 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1); 1326#L56 assume !(34 == parse_expression_list_#t~mem9);havoc parse_expression_list_#t~mem9; 1345#L56-2 parse_expression_list_~j~0 := parse_expression_list_~i~0 - 1; 1346#L58-8 [2019-11-25 08:53:45,089 INFO L796 eck$LassoCheckResult]: Loop: 1346#L58-8 parse_expression_list_#t~short14 := 0 < parse_expression_list_~j~0; 1358#L58-1 assume parse_expression_list_#t~short14;call parse_expression_list_#t~mem11 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~j~0, 1);parse_expression_list_#t~short13 := 32 == parse_expression_list_#t~mem11; 1355#L58-2 assume parse_expression_list_#t~short13; 1349#L58-4 parse_expression_list_#t~short14 := parse_expression_list_#t~short13; 1350#L58-6 assume !!parse_expression_list_#t~short14;havoc parse_expression_list_#t~mem12;havoc parse_expression_list_#t~short13;havoc parse_expression_list_#t~mem11;havoc parse_expression_list_#t~short14;parse_expression_list_#t~post15 := parse_expression_list_~j~0;parse_expression_list_~j~0 := parse_expression_list_#t~post15 - 1;havoc parse_expression_list_#t~post15; 1346#L58-8 [2019-11-25 08:53:45,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:53:45,089 INFO L82 PathProgramCache]: Analyzing trace with hash 2047416532, now seen corresponding path program 2 times [2019-11-25 08:53:45,089 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:53:45,089 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [453392971] [2019-11-25 08:53:45,089 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:53:45,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:53:45,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:53:45,113 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:53:45,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:53:45,113 INFO L82 PathProgramCache]: Analyzing trace with hash 72622648, now seen corresponding path program 3 times [2019-11-25 08:53:45,114 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:53:45,114 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [752752504] [2019-11-25 08:53:45,114 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:53:45,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:53:45,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:53:45,120 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:53:45,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:53:45,120 INFO L82 PathProgramCache]: Analyzing trace with hash -1001876155, now seen corresponding path program 2 times [2019-11-25 08:53:45,120 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:53:45,121 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971303206] [2019-11-25 08:53:45,121 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:53:45,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:53:45,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:53:45,145 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:53:45,644 WARN L192 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 118 [2019-11-25 08:53:45,731 INFO L210 LassoAnalysis]: Preferences: [2019-11-25 08:53:45,731 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-25 08:53:45,731 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-25 08:53:45,731 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-25 08:53:45,731 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-25 08:53:45,731 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:53:45,731 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-25 08:53:45,732 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-25 08:53:45,732 INFO L133 ssoRankerPreferences]: Filename of dumped script: verisec_OpenSER_cases1_stripFullBoth_arr.i_Iteration7_Lasso [2019-11-25 08:53:45,732 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-25 08:53:45,732 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-25 08:53:45,734 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:53:45,751 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:53:45,755 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:53:45,757 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:53:45,759 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:53:45,763 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:53:45,765 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:53:45,770 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:53:45,774 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:53:45,776 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:53:45,778 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:53:45,780 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:53:45,782 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:53:45,783 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:53:45,785 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:53:45,789 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:53:45,791 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:53:45,793 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:53:45,998 WARN L192 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 68 [2019-11-25 08:53:46,041 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:53:46,043 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:53:46,045 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:53:46,047 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:53:46,048 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:53:46,050 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:53:46,052 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:53:46,053 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:53:46,341 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 30 [2019-11-25 08:53:46,450 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-25 08:53:46,451 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2dd1cdc2-6b81-4500-8537-f5113bb8ed9a/bin/uautomizer/z3 Starting monitored process 56 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 56 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:53:46,457 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 [2019-11-25 08:53:46,458 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:53:46,458 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:53:46,458 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:53:46,458 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:53:46,458 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:53:46,459 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:53:46,459 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:53:46,460 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2dd1cdc2-6b81-4500-8537-f5113bb8ed9a/bin/uautomizer/z3 Starting monitored process 57 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 57 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:53:46,464 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 [2019-11-25 08:53:46,465 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:53:46,465 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:53:46,465 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:53:46,465 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:53:46,465 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:53:46,466 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:53:46,466 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:53:46,468 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2dd1cdc2-6b81-4500-8537-f5113bb8ed9a/bin/uautomizer/z3 Starting monitored process 58 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 58 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:53:46,473 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 [2019-11-25 08:53:46,474 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:53:46,474 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:53:46,474 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:53:46,474 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:53:46,475 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:53:46,476 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:53:46,478 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2dd1cdc2-6b81-4500-8537-f5113bb8ed9a/bin/uautomizer/z3 Starting monitored process 59 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 59 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:53:46,482 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 [2019-11-25 08:53:46,484 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:53:46,484 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:53:46,484 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:53:46,484 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:53:46,484 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:53:46,485 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:53:46,485 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:53:46,488 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2dd1cdc2-6b81-4500-8537-f5113bb8ed9a/bin/uautomizer/z3 Starting monitored process 60 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 60 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:53:46,508 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 [2019-11-25 08:53:46,509 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:53:46,509 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:53:46,509 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:53:46,509 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:53:46,510 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:53:46,510 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:53:46,513 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2dd1cdc2-6b81-4500-8537-f5113bb8ed9a/bin/uautomizer/z3 Starting monitored process 61 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:53:46,517 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 [2019-11-25 08:53:46,519 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:53:46,519 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:53:46,519 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:53:46,519 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:53:46,519 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 61 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:53:46,520 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:53:46,520 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:53:46,521 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2dd1cdc2-6b81-4500-8537-f5113bb8ed9a/bin/uautomizer/z3 Starting monitored process 62 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:53:46,526 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 Waiting until toolchain timeout for monitored process 62 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:53:46,528 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:53:46,528 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:53:46,528 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:53:46,528 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:53:46,528 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:53:46,529 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:53:46,529 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:53:46,530 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2dd1cdc2-6b81-4500-8537-f5113bb8ed9a/bin/uautomizer/z3 Starting monitored process 63 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 63 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:53:46,534 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 [2019-11-25 08:53:46,535 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:53:46,535 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:53:46,535 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:53:46,535 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:53:46,535 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:53:46,536 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:53:46,536 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:53:46,537 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2dd1cdc2-6b81-4500-8537-f5113bb8ed9a/bin/uautomizer/z3 Starting monitored process 64 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 64 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:53:46,540 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 [2019-11-25 08:53:46,541 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:53:46,542 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:53:46,542 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:53:46,542 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:53:46,542 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:53:46,542 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:53:46,542 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:53:46,543 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2dd1cdc2-6b81-4500-8537-f5113bb8ed9a/bin/uautomizer/z3 Starting monitored process 65 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 65 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:53:46,548 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 [2019-11-25 08:53:46,550 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:53:46,550 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:53:46,550 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:53:46,550 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:53:46,550 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:53:46,551 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:53:46,551 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:53:46,552 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2dd1cdc2-6b81-4500-8537-f5113bb8ed9a/bin/uautomizer/z3 Starting monitored process 66 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 66 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:53:46,556 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 [2019-11-25 08:53:46,558 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:53:46,558 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:53:46,558 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:53:46,558 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:53:46,558 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:53:46,558 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:53:46,558 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:53:46,559 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2dd1cdc2-6b81-4500-8537-f5113bb8ed9a/bin/uautomizer/z3 Starting monitored process 67 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 67 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:53:46,564 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 [2019-11-25 08:53:46,565 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:53:46,565 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:53:46,565 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:53:46,566 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:53:46,566 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:53:46,566 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:53:46,566 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:53:46,567 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2dd1cdc2-6b81-4500-8537-f5113bb8ed9a/bin/uautomizer/z3 Starting monitored process 68 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 68 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:53:46,571 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 [2019-11-25 08:53:46,572 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:53:46,572 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:53:46,572 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:53:46,573 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:53:46,573 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:53:46,573 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:53:46,573 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:53:46,574 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2dd1cdc2-6b81-4500-8537-f5113bb8ed9a/bin/uautomizer/z3 Starting monitored process 69 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 69 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:53:46,577 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 [2019-11-25 08:53:46,579 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:53:46,580 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:53:46,580 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:53:46,580 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:53:46,580 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:53:46,580 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:53:46,580 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:53:46,582 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2dd1cdc2-6b81-4500-8537-f5113bb8ed9a/bin/uautomizer/z3 Starting monitored process 70 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:53:46,598 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 [2019-11-25 08:53:46,600 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:53:46,600 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:53:46,600 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:53:46,600 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:53:46,600 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:53:46,601 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:53:46,601 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 70 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:53:46,602 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2dd1cdc2-6b81-4500-8537-f5113bb8ed9a/bin/uautomizer/z3 Starting monitored process 71 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:53:46,610 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 [2019-11-25 08:53:46,612 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:53:46,612 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:53:46,612 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:53:46,612 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:53:46,612 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:53:46,613 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:53:46,613 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 71 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:53:46,615 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2dd1cdc2-6b81-4500-8537-f5113bb8ed9a/bin/uautomizer/z3 Starting monitored process 72 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:53:46,622 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 [2019-11-25 08:53:46,624 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:53:46,624 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:53:46,624 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:53:46,624 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:53:46,625 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:53:46,625 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 72 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:53:46,629 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2dd1cdc2-6b81-4500-8537-f5113bb8ed9a/bin/uautomizer/z3 Starting monitored process 73 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:53:46,634 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 [2019-11-25 08:53:46,635 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:53:46,636 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:53:46,636 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:53:46,636 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:53:46,637 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:53:46,637 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 73 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:53:46,641 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2dd1cdc2-6b81-4500-8537-f5113bb8ed9a/bin/uautomizer/z3 Starting monitored process 74 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:53:46,646 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 [2019-11-25 08:53:46,648 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:53:46,648 INFO L203 nArgumentSynthesizer]: 5 stem disjuncts [2019-11-25 08:53:46,648 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:53:46,648 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:53:46,652 INFO L401 nArgumentSynthesizer]: We have 14 Motzkin's Theorem applications. [2019-11-25 08:53:46,652 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 74 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:53:46,662 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2dd1cdc2-6b81-4500-8537-f5113bb8ed9a/bin/uautomizer/z3 Starting monitored process 75 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:53:46,668 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 [2019-11-25 08:53:46,670 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:53:46,670 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:53:46,670 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:53:46,670 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:53:46,672 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:53:46,672 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 75 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:53:46,675 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2dd1cdc2-6b81-4500-8537-f5113bb8ed9a/bin/uautomizer/z3 Starting monitored process 76 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:53:46,683 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 [2019-11-25 08:53:46,684 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:53:46,684 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2019-11-25 08:53:46,684 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:53:46,685 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:53:46,687 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2019-11-25 08:53:46,687 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 76 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:53:46,693 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2dd1cdc2-6b81-4500-8537-f5113bb8ed9a/bin/uautomizer/z3 Starting monitored process 77 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 77 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:53:46,697 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 [2019-11-25 08:53:46,698 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:53:46,698 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:53:46,699 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:53:46,699 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:53:46,702 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:53:46,702 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:53:46,710 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2dd1cdc2-6b81-4500-8537-f5113bb8ed9a/bin/uautomizer/z3 Starting monitored process 78 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:53:46,719 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 [2019-11-25 08:53:46,720 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:53:46,720 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:53:46,721 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:53:46,721 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:53:46,727 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:53:46,727 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 78 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:53:46,741 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-25 08:53:46,779 INFO L443 ModelExtractionUtils]: Simplification made 13 calls to the SMT solver. [2019-11-25 08:53:46,780 INFO L444 ModelExtractionUtils]: 10 out of 28 variables were initially zero. Simplification set additionally 16 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2dd1cdc2-6b81-4500-8537-f5113bb8ed9a/bin/uautomizer/z3 Starting monitored process 79 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:53:46,784 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 79 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:53:46,786 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-25 08:53:46,787 INFO L510 LassoAnalysis]: Proved termination. [2019-11-25 08:53:46,787 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_parse_expression_list_~j~0) = 1*ULTIMATE.start_parse_expression_list_~j~0 Supporting invariants [] [2019-11-25 08:53:46,827 INFO L297 tatePredicateManager]: 16 out of 16 supporting invariants were superfluous and have been removed [2019-11-25 08:53:46,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:53:46,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:53:46,858 INFO L255 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-25 08:53:46,859 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:53:46,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:53:46,866 INFO L255 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-25 08:53:46,867 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:53:46,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:53:46,888 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 [2019-11-25 08:53:46,888 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 116 states and 156 transitions. cyclomatic complexity: 49 Second operand 4 states. [2019-11-25 08:53:47,006 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 116 states and 156 transitions. cyclomatic complexity: 49. Second operand 4 states. Result 271 states and 365 transitions. Complement of second has 11 states. [2019-11-25 08:53:47,007 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 4 non-accepting loop states 1 accepting loop states [2019-11-25 08:53:47,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-25 08:53:47,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 76 transitions. [2019-11-25 08:53:47,007 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 76 transitions. Stem has 21 letters. Loop has 5 letters. [2019-11-25 08:53:47,008 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:53:47,008 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 76 transitions. Stem has 26 letters. Loop has 5 letters. [2019-11-25 08:53:47,008 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:53:47,008 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 76 transitions. Stem has 21 letters. Loop has 10 letters. [2019-11-25 08:53:47,008 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:53:47,009 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 271 states and 365 transitions. [2019-11-25 08:53:47,011 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 17 [2019-11-25 08:53:47,013 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 271 states to 174 states and 233 transitions. [2019-11-25 08:53:47,013 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 30 [2019-11-25 08:53:47,013 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 30 [2019-11-25 08:53:47,013 INFO L73 IsDeterministic]: Start isDeterministic. Operand 174 states and 233 transitions. [2019-11-25 08:53:47,013 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-25 08:53:47,013 INFO L688 BuchiCegarLoop]: Abstraction has 174 states and 233 transitions. [2019-11-25 08:53:47,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states and 233 transitions. [2019-11-25 08:53:47,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 122. [2019-11-25 08:53:47,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2019-11-25 08:53:47,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 163 transitions. [2019-11-25 08:53:47,034 INFO L711 BuchiCegarLoop]: Abstraction has 122 states and 163 transitions. [2019-11-25 08:53:47,034 INFO L591 BuchiCegarLoop]: Abstraction has 122 states and 163 transitions. [2019-11-25 08:53:47,034 INFO L424 BuchiCegarLoop]: ======== Iteration 8============ [2019-11-25 08:53:47,034 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 122 states and 163 transitions. [2019-11-25 08:53:47,035 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 11 [2019-11-25 08:53:47,035 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:53:47,036 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:53:47,036 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:53:47,037 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-25 08:53:47,038 INFO L794 eck$LassoCheckResult]: Stem: 1926#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 1902#L-1 havoc main_#res;havoc main_#t~ret20, main_~#A~0.base, main_~#A~0.offset;call main_~#A~0.base, main_~#A~0.offset := #Ultimate.allocOnStack(9);call write~int(0, main_~#A~0.base, 8 + main_~#A~0.offset, 1);parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset := main_~#A~0.base, main_~#A~0.offset;havoc parse_expression_list_#res;havoc parse_expression_list_#t~post2, parse_expression_list_#t~mem3, parse_expression_list_#t~switch4, parse_expression_list_#t~post8, parse_expression_list_#t~mem5, parse_expression_list_#t~mem6, parse_expression_list_#t~short7, parse_expression_list_#t~mem9, parse_expression_list_#t~post10, parse_expression_list_#t~post15, parse_expression_list_#t~mem11, parse_expression_list_#t~mem12, parse_expression_list_#t~short13, parse_expression_list_#t~short14, parse_expression_list_#t~mem16, parse_expression_list_#t~short17, parse_expression_list_#t~post18, parse_expression_list_#t~ret19.base, parse_expression_list_#t~ret19.offset, parse_expression_list_#t~mem1, parse_expression_list_~str.base, parse_expression_list_~str.offset, parse_expression_list_~start~0, parse_expression_list_~i~0, parse_expression_list_~j~0, parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset;parse_expression_list_~str.base, parse_expression_list_~str.offset := parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset;parse_expression_list_~start~0 := 0;parse_expression_list_~i~0 := -1;parse_expression_list_~j~0 := -1;call parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset := #Ultimate.allocOnStack(2); 1903#L50 assume !(parse_expression_list_~str.base == 0 && parse_expression_list_~str.offset == 0); 1882#L51-4 parse_expression_list_#t~post2 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post2;havoc parse_expression_list_#t~post2;call parse_expression_list_#t~mem3 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch4 := 0 == parse_expression_list_#t~mem3; 1883#L54 assume parse_expression_list_#t~switch4; 1984#L55-5 call parse_expression_list_#t~mem5 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1);parse_expression_list_#t~short7 := 32 == parse_expression_list_#t~mem5; 1989#L55-1 assume !parse_expression_list_#t~short7;call parse_expression_list_#t~mem6 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1);parse_expression_list_#t~short7 := 9 == parse_expression_list_#t~mem6; 1987#L55-3 assume !parse_expression_list_#t~short7;havoc parse_expression_list_#t~short7;havoc parse_expression_list_#t~mem6;havoc parse_expression_list_#t~mem5; 1985#L55-6 call parse_expression_list_#t~mem9 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1); 1982#L56 assume 34 == parse_expression_list_#t~mem9;havoc parse_expression_list_#t~mem9;parse_expression_list_#t~post10 := parse_expression_list_~start~0;parse_expression_list_~start~0 := 1 + parse_expression_list_#t~post10;havoc parse_expression_list_#t~post10; 1980#L56-2 parse_expression_list_~j~0 := parse_expression_list_~i~0 - 1; 1978#L58-8 parse_expression_list_#t~short14 := 0 < parse_expression_list_~j~0; 1976#L58-1 assume !parse_expression_list_#t~short14; 1974#L58-6 assume !parse_expression_list_#t~short14;havoc parse_expression_list_#t~mem12;havoc parse_expression_list_#t~short13;havoc parse_expression_list_#t~mem11;havoc parse_expression_list_#t~short14; 1971#L58-9 parse_expression_list_#t~short17 := 0 < parse_expression_list_~j~0; 1970#L59 assume !parse_expression_list_#t~short17; 1968#L59-2 assume !parse_expression_list_#t~short17;havoc parse_expression_list_#t~short17;havoc parse_expression_list_#t~mem16; 1966#L59-4 assume parse_expression_list_~start~0 <= parse_expression_list_~j~0;r_strncpy_#in~dest.base, r_strncpy_#in~dest.offset, r_strncpy_#in~src.base, r_strncpy_#in~src.offset, r_strncpy_#in~n := parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset, parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1 + (parse_expression_list_~j~0 - parse_expression_list_~start~0);havoc r_strncpy_#res.base, r_strncpy_#res.offset;havoc r_strncpy_#t~ret0.base, r_strncpy_#t~ret0.offset, r_strncpy_~dest.base, r_strncpy_~dest.offset, r_strncpy_~src.base, r_strncpy_~src.offset, r_strncpy_~n;r_strncpy_~dest.base, r_strncpy_~dest.offset := r_strncpy_#in~dest.base, r_strncpy_#in~dest.offset;r_strncpy_~src.base, r_strncpy_~src.offset := r_strncpy_#in~src.base, r_strncpy_#in~src.offset;r_strncpy_~n := r_strncpy_#in~n;call r_strncpy_#t~ret0.base, r_strncpy_#t~ret0.offset := strncpy(r_strncpy_~dest.base, r_strncpy_~dest.offset, r_strncpy_~src.base, r_strncpy_~src.offset, r_strncpy_~n);r_strncpy_#res.base, r_strncpy_#res.offset := r_strncpy_#t~ret0.base, r_strncpy_#t~ret0.offset;havoc r_strncpy_#t~ret0.base, r_strncpy_#t~ret0.offset; 1964#L30 parse_expression_list_#t~ret19.base, parse_expression_list_#t~ret19.offset := r_strncpy_#res.base, r_strncpy_#res.offset;havoc parse_expression_list_#t~ret19.base, parse_expression_list_#t~ret19.offset;__VERIFIER_assert_#in~cond := (if 1 + (parse_expression_list_~j~0 - parse_expression_list_~start~0) < 2 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 1961#L3 assume !(0 == __VERIFIER_assert_~cond); 1960#L3-2 call write~int(0, parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset + (1 + (parse_expression_list_~j~0 - parse_expression_list_~start~0)), 1); 1957#L60 parse_expression_list_~start~0 := 1 + parse_expression_list_~i~0; 1953#L53 havoc parse_expression_list_#t~mem3;havoc parse_expression_list_#t~switch4; 1950#L51-1 call parse_expression_list_#t~mem1 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1); 1947#L51-2 assume !!(0 != parse_expression_list_#t~mem1);havoc parse_expression_list_#t~mem1; 1946#L51-4 parse_expression_list_#t~post2 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post2;havoc parse_expression_list_#t~post2;call parse_expression_list_#t~mem3 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch4 := 0 == parse_expression_list_#t~mem3; 1945#L54 assume parse_expression_list_#t~switch4; 1899#L55-5 [2019-11-25 08:53:47,038 INFO L796 eck$LassoCheckResult]: Loop: 1899#L55-5 call parse_expression_list_#t~mem5 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1);parse_expression_list_#t~short7 := 32 == parse_expression_list_#t~mem5; 1942#L55-1 assume parse_expression_list_#t~short7; 1898#L55-3 assume !!parse_expression_list_#t~short7;havoc parse_expression_list_#t~short7;havoc parse_expression_list_#t~mem6;havoc parse_expression_list_#t~mem5;parse_expression_list_#t~post8 := parse_expression_list_~start~0;parse_expression_list_~start~0 := 1 + parse_expression_list_#t~post8;havoc parse_expression_list_#t~post8; 1899#L55-5 [2019-11-25 08:53:47,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:53:47,039 INFO L82 PathProgramCache]: Analyzing trace with hash -1008934689, now seen corresponding path program 1 times [2019-11-25 08:53:47,039 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:53:47,039 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945595054] [2019-11-25 08:53:47,039 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:53:47,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:53:47,108 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:53:47,108 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [945595054] [2019-11-25 08:53:47,108 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:53:47,108 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-25 08:53:47,108 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879449206] [2019-11-25 08:53:47,109 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-25 08:53:47,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:53:47,109 INFO L82 PathProgramCache]: Analyzing trace with hash 48762, now seen corresponding path program 3 times [2019-11-25 08:53:47,109 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:53:47,109 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555395225] [2019-11-25 08:53:47,109 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:53:47,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:53:47,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:53:47,115 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:53:47,172 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:53:47,172 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-25 08:53:47,172 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-11-25 08:53:47,172 INFO L87 Difference]: Start difference. First operand 122 states and 163 transitions. cyclomatic complexity: 50 Second operand 7 states. [2019-11-25 08:53:47,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:53:47,336 INFO L93 Difference]: Finished difference Result 211 states and 282 transitions. [2019-11-25 08:53:47,336 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-25 08:53:47,336 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 211 states and 282 transitions. [2019-11-25 08:53:47,338 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 24 [2019-11-25 08:53:47,339 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 211 states to 175 states and 230 transitions. [2019-11-25 08:53:47,340 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 43 [2019-11-25 08:53:47,340 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 43 [2019-11-25 08:53:47,340 INFO L73 IsDeterministic]: Start isDeterministic. Operand 175 states and 230 transitions. [2019-11-25 08:53:47,340 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-25 08:53:47,340 INFO L688 BuchiCegarLoop]: Abstraction has 175 states and 230 transitions. [2019-11-25 08:53:47,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states and 230 transitions. [2019-11-25 08:53:47,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 124. [2019-11-25 08:53:47,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2019-11-25 08:53:47,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 164 transitions. [2019-11-25 08:53:47,346 INFO L711 BuchiCegarLoop]: Abstraction has 124 states and 164 transitions. [2019-11-25 08:53:47,346 INFO L591 BuchiCegarLoop]: Abstraction has 124 states and 164 transitions. [2019-11-25 08:53:47,346 INFO L424 BuchiCegarLoop]: ======== Iteration 9============ [2019-11-25 08:53:47,346 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 124 states and 164 transitions. [2019-11-25 08:53:47,347 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 11 [2019-11-25 08:53:47,347 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:53:47,347 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:53:47,348 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:53:47,348 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-25 08:53:47,348 INFO L794 eck$LassoCheckResult]: Stem: 2282#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 2254#L-1 havoc main_#res;havoc main_#t~ret20, main_~#A~0.base, main_~#A~0.offset;call main_~#A~0.base, main_~#A~0.offset := #Ultimate.allocOnStack(9);call write~int(0, main_~#A~0.base, 8 + main_~#A~0.offset, 1);parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset := main_~#A~0.base, main_~#A~0.offset;havoc parse_expression_list_#res;havoc parse_expression_list_#t~post2, parse_expression_list_#t~mem3, parse_expression_list_#t~switch4, parse_expression_list_#t~post8, parse_expression_list_#t~mem5, parse_expression_list_#t~mem6, parse_expression_list_#t~short7, parse_expression_list_#t~mem9, parse_expression_list_#t~post10, parse_expression_list_#t~post15, parse_expression_list_#t~mem11, parse_expression_list_#t~mem12, parse_expression_list_#t~short13, parse_expression_list_#t~short14, parse_expression_list_#t~mem16, parse_expression_list_#t~short17, parse_expression_list_#t~post18, parse_expression_list_#t~ret19.base, parse_expression_list_#t~ret19.offset, parse_expression_list_#t~mem1, parse_expression_list_~str.base, parse_expression_list_~str.offset, parse_expression_list_~start~0, parse_expression_list_~i~0, parse_expression_list_~j~0, parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset;parse_expression_list_~str.base, parse_expression_list_~str.offset := parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset;parse_expression_list_~start~0 := 0;parse_expression_list_~i~0 := -1;parse_expression_list_~j~0 := -1;call parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset := #Ultimate.allocOnStack(2); 2255#L50 assume !(parse_expression_list_~str.base == 0 && parse_expression_list_~str.offset == 0); 2235#L51-4 parse_expression_list_#t~post2 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post2;havoc parse_expression_list_#t~post2;call parse_expression_list_#t~mem3 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch4 := 0 == parse_expression_list_#t~mem3; 2236#L54 assume parse_expression_list_#t~switch4; 2317#L55-5 call parse_expression_list_#t~mem5 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1);parse_expression_list_#t~short7 := 32 == parse_expression_list_#t~mem5; 2316#L55-1 assume !parse_expression_list_#t~short7;call parse_expression_list_#t~mem6 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1);parse_expression_list_#t~short7 := 9 == parse_expression_list_#t~mem6; 2315#L55-3 assume !parse_expression_list_#t~short7;havoc parse_expression_list_#t~short7;havoc parse_expression_list_#t~mem6;havoc parse_expression_list_#t~mem5; 2314#L55-6 call parse_expression_list_#t~mem9 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1); 2313#L56 assume !(34 == parse_expression_list_#t~mem9);havoc parse_expression_list_#t~mem9; 2312#L56-2 parse_expression_list_~j~0 := parse_expression_list_~i~0 - 1; 2311#L58-8 parse_expression_list_#t~short14 := 0 < parse_expression_list_~j~0; 2310#L58-1 assume !parse_expression_list_#t~short14; 2309#L58-6 assume !parse_expression_list_#t~short14;havoc parse_expression_list_#t~mem12;havoc parse_expression_list_#t~short13;havoc parse_expression_list_#t~mem11;havoc parse_expression_list_#t~short14; 2308#L58-9 parse_expression_list_#t~short17 := 0 < parse_expression_list_~j~0; 2296#L59 assume !parse_expression_list_#t~short17; 2297#L59-2 assume !parse_expression_list_#t~short17;havoc parse_expression_list_#t~short17;havoc parse_expression_list_#t~mem16; 2307#L59-4 assume parse_expression_list_~start~0 <= parse_expression_list_~j~0;r_strncpy_#in~dest.base, r_strncpy_#in~dest.offset, r_strncpy_#in~src.base, r_strncpy_#in~src.offset, r_strncpy_#in~n := parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset, parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1 + (parse_expression_list_~j~0 - parse_expression_list_~start~0);havoc r_strncpy_#res.base, r_strncpy_#res.offset;havoc r_strncpy_#t~ret0.base, r_strncpy_#t~ret0.offset, r_strncpy_~dest.base, r_strncpy_~dest.offset, r_strncpy_~src.base, r_strncpy_~src.offset, r_strncpy_~n;r_strncpy_~dest.base, r_strncpy_~dest.offset := r_strncpy_#in~dest.base, r_strncpy_#in~dest.offset;r_strncpy_~src.base, r_strncpy_~src.offset := r_strncpy_#in~src.base, r_strncpy_#in~src.offset;r_strncpy_~n := r_strncpy_#in~n;call r_strncpy_#t~ret0.base, r_strncpy_#t~ret0.offset := strncpy(r_strncpy_~dest.base, r_strncpy_~dest.offset, r_strncpy_~src.base, r_strncpy_~src.offset, r_strncpy_~n);r_strncpy_#res.base, r_strncpy_#res.offset := r_strncpy_#t~ret0.base, r_strncpy_#t~ret0.offset;havoc r_strncpy_#t~ret0.base, r_strncpy_#t~ret0.offset; 2305#L30 parse_expression_list_#t~ret19.base, parse_expression_list_#t~ret19.offset := r_strncpy_#res.base, r_strncpy_#res.offset;havoc parse_expression_list_#t~ret19.base, parse_expression_list_#t~ret19.offset;__VERIFIER_assert_#in~cond := (if 1 + (parse_expression_list_~j~0 - parse_expression_list_~start~0) < 2 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 2303#L3 assume !(0 == __VERIFIER_assert_~cond); 2301#L3-2 call write~int(0, parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset + (1 + (parse_expression_list_~j~0 - parse_expression_list_~start~0)), 1); 2244#L60 parse_expression_list_~start~0 := 1 + parse_expression_list_~i~0; 2245#L53 havoc parse_expression_list_#t~mem3;havoc parse_expression_list_#t~switch4; 2306#L51-1 call parse_expression_list_#t~mem1 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1); 2304#L51-2 assume !!(0 != parse_expression_list_#t~mem1);havoc parse_expression_list_#t~mem1; 2302#L51-4 parse_expression_list_#t~post2 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post2;havoc parse_expression_list_#t~post2;call parse_expression_list_#t~mem3 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch4 := 0 == parse_expression_list_#t~mem3; 2300#L54 assume parse_expression_list_#t~switch4; 2246#L55-5 [2019-11-25 08:53:47,348 INFO L796 eck$LassoCheckResult]: Loop: 2246#L55-5 call parse_expression_list_#t~mem5 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1);parse_expression_list_#t~short7 := 32 == parse_expression_list_#t~mem5; 2247#L55-1 assume parse_expression_list_#t~short7; 2252#L55-3 assume !!parse_expression_list_#t~short7;havoc parse_expression_list_#t~short7;havoc parse_expression_list_#t~mem6;havoc parse_expression_list_#t~mem5;parse_expression_list_#t~post8 := parse_expression_list_~start~0;parse_expression_list_~start~0 := 1 + parse_expression_list_#t~post8;havoc parse_expression_list_#t~post8; 2246#L55-5 [2019-11-25 08:53:47,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:53:47,349 INFO L82 PathProgramCache]: Analyzing trace with hash 1291887901, now seen corresponding path program 1 times [2019-11-25 08:53:47,349 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:53:47,349 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049538221] [2019-11-25 08:53:47,349 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:53:47,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:53:47,390 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:53:47,390 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2049538221] [2019-11-25 08:53:47,391 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:53:47,391 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-25 08:53:47,391 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1355420152] [2019-11-25 08:53:47,391 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-25 08:53:47,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:53:47,392 INFO L82 PathProgramCache]: Analyzing trace with hash 48762, now seen corresponding path program 4 times [2019-11-25 08:53:47,392 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:53:47,392 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10925136] [2019-11-25 08:53:47,392 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:53:47,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:53:47,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:53:47,397 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:53:47,441 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:53:47,441 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-25 08:53:47,441 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-25 08:53:47,441 INFO L87 Difference]: Start difference. First operand 124 states and 164 transitions. cyclomatic complexity: 48 Second operand 6 states. [2019-11-25 08:53:47,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:53:47,536 INFO L93 Difference]: Finished difference Result 111 states and 147 transitions. [2019-11-25 08:53:47,537 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-25 08:53:47,537 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 111 states and 147 transitions. [2019-11-25 08:53:47,538 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2019-11-25 08:53:47,539 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 111 states to 98 states and 132 transitions. [2019-11-25 08:53:47,539 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2019-11-25 08:53:47,539 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2019-11-25 08:53:47,539 INFO L73 IsDeterministic]: Start isDeterministic. Operand 98 states and 132 transitions. [2019-11-25 08:53:47,539 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-25 08:53:47,539 INFO L688 BuchiCegarLoop]: Abstraction has 98 states and 132 transitions. [2019-11-25 08:53:47,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states and 132 transitions. [2019-11-25 08:53:47,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2019-11-25 08:53:47,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2019-11-25 08:53:47,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 132 transitions. [2019-11-25 08:53:47,543 INFO L711 BuchiCegarLoop]: Abstraction has 98 states and 132 transitions. [2019-11-25 08:53:47,543 INFO L591 BuchiCegarLoop]: Abstraction has 98 states and 132 transitions. [2019-11-25 08:53:47,543 INFO L424 BuchiCegarLoop]: ======== Iteration 10============ [2019-11-25 08:53:47,543 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 98 states and 132 transitions. [2019-11-25 08:53:47,544 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2019-11-25 08:53:47,544 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:53:47,544 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:53:47,545 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:53:47,545 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-25 08:53:47,545 INFO L794 eck$LassoCheckResult]: Stem: 2528#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 2504#L-1 havoc main_#res;havoc main_#t~ret20, main_~#A~0.base, main_~#A~0.offset;call main_~#A~0.base, main_~#A~0.offset := #Ultimate.allocOnStack(9);call write~int(0, main_~#A~0.base, 8 + main_~#A~0.offset, 1);parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset := main_~#A~0.base, main_~#A~0.offset;havoc parse_expression_list_#res;havoc parse_expression_list_#t~post2, parse_expression_list_#t~mem3, parse_expression_list_#t~switch4, parse_expression_list_#t~post8, parse_expression_list_#t~mem5, parse_expression_list_#t~mem6, parse_expression_list_#t~short7, parse_expression_list_#t~mem9, parse_expression_list_#t~post10, parse_expression_list_#t~post15, parse_expression_list_#t~mem11, parse_expression_list_#t~mem12, parse_expression_list_#t~short13, parse_expression_list_#t~short14, parse_expression_list_#t~mem16, parse_expression_list_#t~short17, parse_expression_list_#t~post18, parse_expression_list_#t~ret19.base, parse_expression_list_#t~ret19.offset, parse_expression_list_#t~mem1, parse_expression_list_~str.base, parse_expression_list_~str.offset, parse_expression_list_~start~0, parse_expression_list_~i~0, parse_expression_list_~j~0, parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset;parse_expression_list_~str.base, parse_expression_list_~str.offset := parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset;parse_expression_list_~start~0 := 0;parse_expression_list_~i~0 := -1;parse_expression_list_~j~0 := -1;call parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset := #Ultimate.allocOnStack(2); 2505#L50 assume !(parse_expression_list_~str.base == 0 && parse_expression_list_~str.offset == 0); 2485#L51-4 parse_expression_list_#t~post2 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post2;havoc parse_expression_list_#t~post2;call parse_expression_list_#t~mem3 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch4 := 0 == parse_expression_list_#t~mem3; 2486#L54 assume !parse_expression_list_#t~switch4; 2506#L53 havoc parse_expression_list_#t~mem3;havoc parse_expression_list_#t~switch4; 2569#L51-1 call parse_expression_list_#t~mem1 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1); 2567#L51-2 assume !!(0 != parse_expression_list_#t~mem1);havoc parse_expression_list_#t~mem1; 2564#L51-4 parse_expression_list_#t~post2 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post2;havoc parse_expression_list_#t~post2;call parse_expression_list_#t~mem3 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch4 := 0 == parse_expression_list_#t~mem3; 2562#L54 assume parse_expression_list_#t~switch4; 2499#L55-5 call parse_expression_list_#t~mem5 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1);parse_expression_list_#t~short7 := 32 == parse_expression_list_#t~mem5; 2500#L55-1 assume !parse_expression_list_#t~short7;call parse_expression_list_#t~mem6 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1);parse_expression_list_#t~short7 := 9 == parse_expression_list_#t~mem6; 2580#L55-3 assume !parse_expression_list_#t~short7;havoc parse_expression_list_#t~short7;havoc parse_expression_list_#t~mem6;havoc parse_expression_list_#t~mem5; 2581#L55-6 call parse_expression_list_#t~mem9 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1); 2582#L56 assume 34 == parse_expression_list_#t~mem9;havoc parse_expression_list_#t~mem9;parse_expression_list_#t~post10 := parse_expression_list_~start~0;parse_expression_list_~start~0 := 1 + parse_expression_list_#t~post10;havoc parse_expression_list_#t~post10; 2509#L56-2 parse_expression_list_~j~0 := parse_expression_list_~i~0 - 1; 2510#L58-8 parse_expression_list_#t~short14 := 0 < parse_expression_list_~j~0; 2520#L58-1 assume !parse_expression_list_#t~short14; 2521#L58-6 assume !parse_expression_list_#t~short14;havoc parse_expression_list_#t~mem12;havoc parse_expression_list_#t~short13;havoc parse_expression_list_#t~mem11;havoc parse_expression_list_#t~short14; 2534#L58-9 parse_expression_list_#t~short17 := 0 < parse_expression_list_~j~0; 2533#L59 assume !parse_expression_list_#t~short17; 2531#L59-2 assume !parse_expression_list_#t~short17;havoc parse_expression_list_#t~short17;havoc parse_expression_list_#t~mem16; 2529#L59-4 assume parse_expression_list_~start~0 <= parse_expression_list_~j~0;r_strncpy_#in~dest.base, r_strncpy_#in~dest.offset, r_strncpy_#in~src.base, r_strncpy_#in~src.offset, r_strncpy_#in~n := parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset, parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1 + (parse_expression_list_~j~0 - parse_expression_list_~start~0);havoc r_strncpy_#res.base, r_strncpy_#res.offset;havoc r_strncpy_#t~ret0.base, r_strncpy_#t~ret0.offset, r_strncpy_~dest.base, r_strncpy_~dest.offset, r_strncpy_~src.base, r_strncpy_~src.offset, r_strncpy_~n;r_strncpy_~dest.base, r_strncpy_~dest.offset := r_strncpy_#in~dest.base, r_strncpy_#in~dest.offset;r_strncpy_~src.base, r_strncpy_~src.offset := r_strncpy_#in~src.base, r_strncpy_#in~src.offset;r_strncpy_~n := r_strncpy_#in~n;call r_strncpy_#t~ret0.base, r_strncpy_#t~ret0.offset := strncpy(r_strncpy_~dest.base, r_strncpy_~dest.offset, r_strncpy_~src.base, r_strncpy_~src.offset, r_strncpy_~n);r_strncpy_#res.base, r_strncpy_#res.offset := r_strncpy_#t~ret0.base, r_strncpy_#t~ret0.offset;havoc r_strncpy_#t~ret0.base, r_strncpy_#t~ret0.offset; 2525#L30 parse_expression_list_#t~ret19.base, parse_expression_list_#t~ret19.offset := r_strncpy_#res.base, r_strncpy_#res.offset;havoc parse_expression_list_#t~ret19.base, parse_expression_list_#t~ret19.offset;__VERIFIER_assert_#in~cond := (if 1 + (parse_expression_list_~j~0 - parse_expression_list_~start~0) < 2 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 2518#L3 assume !(0 == __VERIFIER_assert_~cond); 2515#L3-2 call write~int(0, parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset + (1 + (parse_expression_list_~j~0 - parse_expression_list_~start~0)), 1); 2494#L60 parse_expression_list_~start~0 := 1 + parse_expression_list_~i~0; 2495#L53 havoc parse_expression_list_#t~mem3;havoc parse_expression_list_#t~switch4; 2579#L51-1 call parse_expression_list_#t~mem1 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1); 2578#L51-2 assume !!(0 != parse_expression_list_#t~mem1);havoc parse_expression_list_#t~mem1; 2576#L51-4 parse_expression_list_#t~post2 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post2;havoc parse_expression_list_#t~post2;call parse_expression_list_#t~mem3 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch4 := 0 == parse_expression_list_#t~mem3; 2574#L54 assume parse_expression_list_#t~switch4; 2497#L55-5 [2019-11-25 08:53:47,545 INFO L796 eck$LassoCheckResult]: Loop: 2497#L55-5 call parse_expression_list_#t~mem5 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1);parse_expression_list_#t~short7 := 32 == parse_expression_list_#t~mem5; 2498#L55-1 assume parse_expression_list_#t~short7; 2502#L55-3 assume !!parse_expression_list_#t~short7;havoc parse_expression_list_#t~short7;havoc parse_expression_list_#t~mem6;havoc parse_expression_list_#t~mem5;parse_expression_list_#t~post8 := parse_expression_list_~start~0;parse_expression_list_~start~0 := 1 + parse_expression_list_#t~post8;havoc parse_expression_list_#t~post8; 2497#L55-5 [2019-11-25 08:53:47,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:53:47,545 INFO L82 PathProgramCache]: Analyzing trace with hash 1171373033, now seen corresponding path program 1 times [2019-11-25 08:53:47,545 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:53:47,546 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580363771] [2019-11-25 08:53:47,546 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:53:47,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:53:47,617 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-25 08:53:47,617 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580363771] [2019-11-25 08:53:47,618 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:53:47,618 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-25 08:53:47,618 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [869485971] [2019-11-25 08:53:47,618 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-25 08:53:47,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:53:47,618 INFO L82 PathProgramCache]: Analyzing trace with hash 48762, now seen corresponding path program 5 times [2019-11-25 08:53:47,619 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:53:47,619 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [540707623] [2019-11-25 08:53:47,619 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:53:47,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:53:47,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:53:47,624 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:53:47,661 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:53:47,662 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-25 08:53:47,662 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2019-11-25 08:53:47,662 INFO L87 Difference]: Start difference. First operand 98 states and 132 transitions. cyclomatic complexity: 41 Second operand 8 states. [2019-11-25 08:53:47,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:53:47,825 INFO L93 Difference]: Finished difference Result 170 states and 232 transitions. [2019-11-25 08:53:47,825 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-25 08:53:47,826 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 170 states and 232 transitions. [2019-11-25 08:53:47,827 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 13 [2019-11-25 08:53:47,830 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 170 states to 149 states and 201 transitions. [2019-11-25 08:53:47,830 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 26 [2019-11-25 08:53:47,830 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 26 [2019-11-25 08:53:47,831 INFO L73 IsDeterministic]: Start isDeterministic. Operand 149 states and 201 transitions. [2019-11-25 08:53:47,831 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-25 08:53:47,831 INFO L688 BuchiCegarLoop]: Abstraction has 149 states and 201 transitions. [2019-11-25 08:53:47,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states and 201 transitions. [2019-11-25 08:53:47,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 117. [2019-11-25 08:53:47,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2019-11-25 08:53:47,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 158 transitions. [2019-11-25 08:53:47,834 INFO L711 BuchiCegarLoop]: Abstraction has 117 states and 158 transitions. [2019-11-25 08:53:47,834 INFO L591 BuchiCegarLoop]: Abstraction has 117 states and 158 transitions. [2019-11-25 08:53:47,834 INFO L424 BuchiCegarLoop]: ======== Iteration 11============ [2019-11-25 08:53:47,834 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 117 states and 158 transitions. [2019-11-25 08:53:47,835 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2019-11-25 08:53:47,835 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:53:47,835 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:53:47,836 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:53:47,836 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-25 08:53:47,836 INFO L794 eck$LassoCheckResult]: Stem: 2823#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 2796#L-1 havoc main_#res;havoc main_#t~ret20, main_~#A~0.base, main_~#A~0.offset;call main_~#A~0.base, main_~#A~0.offset := #Ultimate.allocOnStack(9);call write~int(0, main_~#A~0.base, 8 + main_~#A~0.offset, 1);parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset := main_~#A~0.base, main_~#A~0.offset;havoc parse_expression_list_#res;havoc parse_expression_list_#t~post2, parse_expression_list_#t~mem3, parse_expression_list_#t~switch4, parse_expression_list_#t~post8, parse_expression_list_#t~mem5, parse_expression_list_#t~mem6, parse_expression_list_#t~short7, parse_expression_list_#t~mem9, parse_expression_list_#t~post10, parse_expression_list_#t~post15, parse_expression_list_#t~mem11, parse_expression_list_#t~mem12, parse_expression_list_#t~short13, parse_expression_list_#t~short14, parse_expression_list_#t~mem16, parse_expression_list_#t~short17, parse_expression_list_#t~post18, parse_expression_list_#t~ret19.base, parse_expression_list_#t~ret19.offset, parse_expression_list_#t~mem1, parse_expression_list_~str.base, parse_expression_list_~str.offset, parse_expression_list_~start~0, parse_expression_list_~i~0, parse_expression_list_~j~0, parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset;parse_expression_list_~str.base, parse_expression_list_~str.offset := parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset;parse_expression_list_~start~0 := 0;parse_expression_list_~i~0 := -1;parse_expression_list_~j~0 := -1;call parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset := #Ultimate.allocOnStack(2); 2797#L50 assume !(parse_expression_list_~str.base == 0 && parse_expression_list_~str.offset == 0); 2776#L51-4 parse_expression_list_#t~post2 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post2;havoc parse_expression_list_#t~post2;call parse_expression_list_#t~mem3 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch4 := 0 == parse_expression_list_#t~mem3; 2777#L54 assume !parse_expression_list_#t~switch4; 2798#L53 havoc parse_expression_list_#t~mem3;havoc parse_expression_list_#t~switch4; 2788#L51-1 call parse_expression_list_#t~mem1 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1); 2789#L51-2 assume !!(0 != parse_expression_list_#t~mem1);havoc parse_expression_list_#t~mem1; 2778#L51-4 parse_expression_list_#t~post2 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post2;havoc parse_expression_list_#t~post2;call parse_expression_list_#t~mem3 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch4 := 0 == parse_expression_list_#t~mem3; 2779#L54 assume parse_expression_list_#t~switch4; 2867#L55-5 call parse_expression_list_#t~mem5 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1);parse_expression_list_#t~short7 := 32 == parse_expression_list_#t~mem5; 2889#L55-1 assume !parse_expression_list_#t~short7;call parse_expression_list_#t~mem6 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1);parse_expression_list_#t~short7 := 9 == parse_expression_list_#t~mem6; 2887#L55-3 assume !parse_expression_list_#t~short7;havoc parse_expression_list_#t~short7;havoc parse_expression_list_#t~mem6;havoc parse_expression_list_#t~mem5; 2885#L55-6 call parse_expression_list_#t~mem9 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1); 2808#L56 assume !(34 == parse_expression_list_#t~mem9);havoc parse_expression_list_#t~mem9; 2801#L56-2 parse_expression_list_~j~0 := parse_expression_list_~i~0 - 1; 2802#L58-8 parse_expression_list_#t~short14 := 0 < parse_expression_list_~j~0; 2819#L58-1 assume !parse_expression_list_#t~short14; 2838#L58-6 assume !parse_expression_list_#t~short14;havoc parse_expression_list_#t~mem12;havoc parse_expression_list_#t~short13;havoc parse_expression_list_#t~mem11;havoc parse_expression_list_#t~short14; 2836#L58-9 parse_expression_list_#t~short17 := 0 < parse_expression_list_~j~0; 2834#L59 assume !parse_expression_list_#t~short17; 2833#L59-2 assume !parse_expression_list_#t~short17;havoc parse_expression_list_#t~short17;havoc parse_expression_list_#t~mem16; 2826#L59-4 assume parse_expression_list_~start~0 <= parse_expression_list_~j~0;r_strncpy_#in~dest.base, r_strncpy_#in~dest.offset, r_strncpy_#in~src.base, r_strncpy_#in~src.offset, r_strncpy_#in~n := parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset, parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1 + (parse_expression_list_~j~0 - parse_expression_list_~start~0);havoc r_strncpy_#res.base, r_strncpy_#res.offset;havoc r_strncpy_#t~ret0.base, r_strncpy_#t~ret0.offset, r_strncpy_~dest.base, r_strncpy_~dest.offset, r_strncpy_~src.base, r_strncpy_~src.offset, r_strncpy_~n;r_strncpy_~dest.base, r_strncpy_~dest.offset := r_strncpy_#in~dest.base, r_strncpy_#in~dest.offset;r_strncpy_~src.base, r_strncpy_~src.offset := r_strncpy_#in~src.base, r_strncpy_#in~src.offset;r_strncpy_~n := r_strncpy_#in~n;call r_strncpy_#t~ret0.base, r_strncpy_#t~ret0.offset := strncpy(r_strncpy_~dest.base, r_strncpy_~dest.offset, r_strncpy_~src.base, r_strncpy_~src.offset, r_strncpy_~n);r_strncpy_#res.base, r_strncpy_#res.offset := r_strncpy_#t~ret0.base, r_strncpy_#t~ret0.offset;havoc r_strncpy_#t~ret0.base, r_strncpy_#t~ret0.offset; 2820#L30 parse_expression_list_#t~ret19.base, parse_expression_list_#t~ret19.offset := r_strncpy_#res.base, r_strncpy_#res.offset;havoc parse_expression_list_#t~ret19.base, parse_expression_list_#t~ret19.offset;__VERIFIER_assert_#in~cond := (if 1 + (parse_expression_list_~j~0 - parse_expression_list_~start~0) < 2 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 2812#L3 assume !(0 == __VERIFIER_assert_~cond); 2807#L3-2 call write~int(0, parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset + (1 + (parse_expression_list_~j~0 - parse_expression_list_~start~0)), 1); 2786#L60 parse_expression_list_~start~0 := 1 + parse_expression_list_~i~0; 2787#L53 havoc parse_expression_list_#t~mem3;havoc parse_expression_list_#t~switch4; 2831#L51-1 call parse_expression_list_#t~mem1 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1); 2830#L51-2 assume !!(0 != parse_expression_list_#t~mem1);havoc parse_expression_list_#t~mem1; 2829#L51-4 parse_expression_list_#t~post2 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post2;havoc parse_expression_list_#t~post2;call parse_expression_list_#t~mem3 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch4 := 0 == parse_expression_list_#t~mem3; 2827#L54 assume parse_expression_list_#t~switch4; 2790#L55-5 [2019-11-25 08:53:47,836 INFO L796 eck$LassoCheckResult]: Loop: 2790#L55-5 call parse_expression_list_#t~mem5 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1);parse_expression_list_#t~short7 := 32 == parse_expression_list_#t~mem5; 2791#L55-1 assume parse_expression_list_#t~short7; 2794#L55-3 assume !!parse_expression_list_#t~short7;havoc parse_expression_list_#t~short7;havoc parse_expression_list_#t~mem6;havoc parse_expression_list_#t~mem5;parse_expression_list_#t~post8 := parse_expression_list_~start~0;parse_expression_list_~start~0 := 1 + parse_expression_list_#t~post8;havoc parse_expression_list_#t~post8; 2790#L55-5 [2019-11-25 08:53:47,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:53:47,836 INFO L82 PathProgramCache]: Analyzing trace with hash -822771673, now seen corresponding path program 1 times [2019-11-25 08:53:47,836 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:53:47,837 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [377171816] [2019-11-25 08:53:47,837 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:53:47,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:53:47,918 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-25 08:53:47,918 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [377171816] [2019-11-25 08:53:47,918 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1280813301] [2019-11-25 08:53:47,918 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2dd1cdc2-6b81-4500-8537-f5113bb8ed9a/bin/uautomizer/z3 Starting monitored process 80 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 80 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-25 08:53:47,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:53:47,960 INFO L255 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 22 conjunts are in the unsatisfiable core [2019-11-25 08:53:47,962 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:53:47,993 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2019-11-25 08:53:47,993 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-25 08:53:47,997 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 08:53:47,998 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-25 08:53:47,998 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:12, output treesize:8 [2019-11-25 08:53:48,142 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 26 [2019-11-25 08:53:48,142 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-25 08:53:48,150 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 08:53:48,151 INFO L496 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2019-11-25 08:53:48,151 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:37, output treesize:33 [2019-11-25 08:53:48,200 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 10 [2019-11-25 08:53:48,200 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-25 08:53:48,206 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 08:53:48,207 INFO L496 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-25 08:53:48,207 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 8 variables, input treesize:42, output treesize:3 [2019-11-25 08:53:48,212 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-25 08:53:48,212 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-25 08:53:48,212 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 10] total 15 [2019-11-25 08:53:48,213 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478556513] [2019-11-25 08:53:48,213 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-25 08:53:48,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:53:48,213 INFO L82 PathProgramCache]: Analyzing trace with hash 48762, now seen corresponding path program 6 times [2019-11-25 08:53:48,213 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:53:48,214 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1260292944] [2019-11-25 08:53:48,214 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:53:48,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:53:48,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:53:48,219 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:53:48,279 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:53:48,280 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-11-25 08:53:48,280 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=144, Unknown=0, NotChecked=0, Total=210 [2019-11-25 08:53:48,280 INFO L87 Difference]: Start difference. First operand 117 states and 158 transitions. cyclomatic complexity: 48 Second operand 15 states. [2019-11-25 08:54:00,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:54:00,699 INFO L93 Difference]: Finished difference Result 80 states and 99 transitions. [2019-11-25 08:54:00,699 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-11-25 08:54:00,699 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 80 states and 99 transitions. [2019-11-25 08:54:00,700 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-25 08:54:00,700 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 80 states to 0 states and 0 transitions. [2019-11-25 08:54:00,700 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-25 08:54:00,700 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-25 08:54:00,700 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-25 08:54:00,700 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-25 08:54:00,700 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-25 08:54:00,700 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-25 08:54:00,700 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-25 08:54:00,700 INFO L424 BuchiCegarLoop]: ======== Iteration 12============ [2019-11-25 08:54:00,700 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-25 08:54:00,700 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-25 08:54:00,700 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-25 08:54:00,704 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 25.11 08:54:00 BoogieIcfgContainer [2019-11-25 08:54:00,705 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-25 08:54:00,705 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-25 08:54:00,705 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-25 08:54:00,705 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-25 08:54:00,706 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:53:39" (3/4) ... [2019-11-25 08:54:00,708 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-25 08:54:00,708 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-25 08:54:00,709 INFO L168 Benchmark]: Toolchain (without parser) took 22135.04 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 333.4 MB). Free memory was 946.0 MB in the beginning and 894.4 MB in the end (delta: 51.7 MB). Peak memory consumption was 385.1 MB. Max. memory is 11.5 GB. [2019-11-25 08:54:00,709 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:54:00,710 INFO L168 Benchmark]: CACSL2BoogieTranslator took 422.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 177.2 MB). Free memory was 946.0 MB in the beginning and 1.2 GB in the end (delta: -222.1 MB). Peak memory consumption was 22.6 MB. Max. memory is 11.5 GB. [2019-11-25 08:54:00,710 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.66 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:54:00,710 INFO L168 Benchmark]: Boogie Preprocessor took 27.28 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2019-11-25 08:54:00,710 INFO L168 Benchmark]: RCFGBuilder took 472.14 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 30.9 MB). Peak memory consumption was 30.9 MB. Max. memory is 11.5 GB. [2019-11-25 08:54:00,714 INFO L168 Benchmark]: BuchiAutomizer took 21172.29 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 156.2 MB). Free memory was 1.1 GB in the beginning and 894.4 MB in the end (delta: 235.9 MB). Peak memory consumption was 392.1 MB. Max. memory is 11.5 GB. [2019-11-25 08:54:00,714 INFO L168 Benchmark]: Witness Printer took 3.32 ms. Allocated memory is still 1.4 GB. Free memory is still 894.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:54:00,716 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 422.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 177.2 MB). Free memory was 946.0 MB in the beginning and 1.2 GB in the end (delta: -222.1 MB). Peak memory consumption was 22.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 33.66 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 27.28 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 472.14 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 30.9 MB). Peak memory consumption was 30.9 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 21172.29 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 156.2 MB). Free memory was 1.1 GB in the beginning and 894.4 MB in the end (delta: 235.9 MB). Peak memory consumption was 392.1 MB. Max. memory is 11.5 GB. * Witness Printer took 3.32 ms. Allocated memory is still 1.4 GB. Free memory is still 894.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 11 terminating modules (8 trivial, 3 deterministic, 0 nondeterministic). One deterministic module has affine ranking function unknown-#length-unknown[str] + -1 * str + -1 * i and consists of 4 locations. One deterministic module has affine ranking function -1 * start + -1 * str + unknown-#length-unknown[A] and consists of 5 locations. One deterministic module has affine ranking function j and consists of 6 locations. 8 modules have a trivial ranking function, the largest among these consists of 15 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 21.1s and 12 iterations. TraceHistogramMax:3. Analysis of lassos took 7.1s. Construction of modules took 12.7s. Büchi inclusion checks took 1.0s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 10. Automata minimization 0.0s AutomataMinimizationTime, 10 MinimizatonAttempts, 272 StatesRemovedByMinimization, 8 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 124 states and ocurred in iteration 8. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 344 SDtfs, 845 SDslu, 819 SDs, 0 SdLazy, 857 SolverSat, 138 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 12.7s Time LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc3 concLT0 SILN0 SILU4 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital159 mio100 ax100 hnf101 lsp90 ukn74 mio100 lsp43 div100 bol100 ite100 ukn100 eq183 hnf86 smp96 dnf205 smp74 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 19ms VariablesStem: 2 VariablesLoop: 2 DisjunctsStem: 5 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 14 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 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...